U.S. patent application number 12/120596 was filed with the patent office on 2008-11-27 for hair for toys.
This patent application is currently assigned to THE PILOT INK CO., LTD.. Invention is credited to Naoya Ishimura.
Application Number | 20080293326 12/120596 |
Document ID | / |
Family ID | 39768711 |
Filed Date | 2008-11-27 |
United States Patent
Application |
20080293326 |
Kind Code |
A1 |
Ishimura; Naoya |
November 27, 2008 |
HAIR FOR TOYS
Abstract
Hair for toys which is constituted of filaments made of an
alcohol-soluble resin is disclosed. The hair for toys may also be
hair for toys which is constituted of filaments made of a composite
resin made up of a core and a sheath, where at least one of the
resin of the core and that of the sheath is an alcohol-soluble
resin.
Inventors: |
Ishimura; Naoya; (Aichi-ken,
JP) |
Correspondence
Address: |
FITZPATRICK CELLA HARPER & SCINTO
30 ROCKEFELLER PLAZA
NEW YORK
NY
10112
US
|
Assignee: |
THE PILOT INK CO., LTD.
Nagoya-shi
JP
|
Family ID: |
39768711 |
Appl. No.: |
12/120596 |
Filed: |
May 14, 2008 |
Current U.S.
Class: |
446/372 ;
446/394 |
Current CPC
Class: |
D01F 8/12 20130101; A63H
3/44 20130101; D01F 6/60 20130101 |
Class at
Publication: |
446/372 ;
446/394 |
International
Class: |
A63H 3/02 20060101
A63H003/02; A63H 3/44 20060101 A63H003/44 |
Foreign Application Data
Date |
Code |
Application Number |
May 22, 2007 |
JP |
2007-135108 |
Mar 27, 2008 |
JP |
2008-082712 |
Claims
1. Hair for toys which comprises hair constituted of filaments made
of a resin; the resin comprising an alcohol-soluble resin.
2. The hair for toys according to claim 1, wherein the
alcohol-soluble resin is contained in the resin in an amount of 10%
by mass or more.
3. Hair for toys which comprises hair constituted of filaments made
of a composite resin made up of a core and a sheath; at least one
of the resin of the core and that of the sheath comprising an
alcohol-soluble resin.
4. The hair for toys according to claim 3, wherein the resin of the
core is a resin capable of undergoing plastic deformation at a
temperature of 50.degree. C. or less and the resin of the sheath is
an alcohol-soluble resin.
5. The hair for toys according to claim 4, wherein the resin of the
core is a resin in which a thermoplastic resin (A) and a
thermoplastic polymer (B) having glass transition temperature
within the range of from 0.degree. C. to 50.degree. C. have been
melted in an integral form in a proportion of (A):(B) of from 95:5
to 1:99.
6. The hair for toys according to claim 4, wherein the resin of the
core is a shape memory resin.
7. The hair for toys according to any one of claims 4 to 6, wherein
the alcohol-soluble resin is contained in the resin of the sheath
in an amount of 1% by mass or more.
8. The hair for toys according to any one of claims 1 to 6, wherein
the alcohol-soluble resin is an alcohol-soluble nylon.
9. The hair for toys according to claim 8, wherein the
alcohol-soluble nylon is a copolymer nylon containing at least
nylon 6,6.
10. The hair for toys according to claim 9, wherein the
alcohol-soluble nylon is a multi-copolymer nylon comprising (i)
nylon 6 and nylon 6,6, (ii) nylon 6, nylon 6,6 and nylon 610, or
(iii) nylon 6, nylon 6,6, nylon 610 and nylon 12.
11. The hair for toys according to claim 7, wherein the
alcohol-soluble resin is an alcohol-soluble nylon.
12. The hair for toys according to claim 11, wherein the
alcohol-soluble nylon is a copolymer nylon containing at least
nylon 6,6.
13. The hair for toys according to claim 12, wherein the
alcohol-soluble nylon is a multi-copolymer nylon comprising (i)
nylon 6 and nylon 6,6, (ii) nylon 6, nylon 6,6 and nylon 610, or
(iii) nylon 6, nylon 6,6, nylon 610 and nylon 12.
14. A doll or animal shaped toy, comprising the hair according to
claim 7, wherein said filaments have an outer diameter within the
range of 30 .mu.m to 200 .mu.m.
15. The doll or animal shaped toy according to claim 14, wherein
said filaments contain a thermochromic microcapsule pigment or a
photochromic material.
Description
[0001] This application claims the benefit of Japanese Patent
Applications No. 2007-135108 and No. 2008-082712 which are hereby
incorporated by reference.
BACKGROUND OF THE INVENTION
[0002] 1. Field of the Invention
[0003] This invention relates to hair for toys. More particularly,
it relates to hair for toys which has a function that a condition
of hairs transformed into any desired shape upon application of
water is fixed in a dry condition.
[0004] 2. Related Background Art
[0005] As toy hairs which are changeable in shape, those which make
use of a shape memory alloy are disclosed (see, e.g., Japanese
Patent Application Laid-open No. 62-137086). Such hairs return to
the shape the alloy has memorized, when heated after they have been
transformed into any desired shape, but can not have any soft
feeling because the hair is made of a metal.
[0006] Hair making use of a shape memory resin is also disclosed
(see, e.g., Japanese Patent Application Laid-open No. 2-141498).
It, however, is difficult to make the resin have fiber
(filament)-forming properties, and also such a resin has had a poor
function to retain the shape-transformed condition, being so poor
as not to satisfy properties as toys.
[0007] As a means for resolving such a problem, hair for toys is
disclosed which has a function that hairs can be transformed into
arbitrary shapes upon heating by hand touching or the like, the
shape-transformed condition can be fixed by cooling and the fixed
shape can be restored to an original condition or transformed into
different shapes (see, e.g., U.S. Pat. No. 5,895,718). This hair
is, taking account of convenience, preferably so made up as to be
heated to a temperature around the body heat to transform hairs,
but has a nature that the hairs return to an original shape with
lapse of time even after they have been transformed. Thus, it has
been difficult to retain the shape-transformed condition for a long
time.
SUMMARY OF THE INVENTION
[0008] Accordingly, the present invention aims to provide hair for
toys which is rich in convenience, having a function that hairs
(filaments) can be transformed into arbitrary shapes upon
application of water, the shape-transformed condition can be fixed
over a long period of time by drying and the fixed shape can
optionally be restored to an original condition or transformed into
different shapes.
[0009] The present invention requires that it is hair for toys
which comprises hair constituted of filaments made of a resin,
where the resin comprises an alcohol-soluble resin.
[0010] The present invention may further require that the
alcohol-soluble resin is contained in the resin in an amount of 10%
by mass or more; that it is hair for toys which comprises hair
constituted of filaments made of a composite resin made up of a
core and a sheath, where the resin of the core and/or that of the
sheath comprise(s) an alcohol-soluble resin; that the resin of the
core is a resin capable of undergoing plastic deformation at a
temperature of 50.degree. C. or less and the resin of the sheath is
an alcohol-soluble resin; that the resin of the core is a resin in
which a thermoplastic resin (A) and a thermoplastic polymer (B)
having glass transition temperature within the range of from
0.degree. C. to 50.degree. C. have been melted in an integral form
in a proportion of (A):(B) of from 95:5 to 1:99; that the resin of
the core is a shape memory resin; that the alcohol-soluble resin is
contained in the resin of the sheath in an amount of 1% by mass or
more; that the alcohol-soluble resin is an alcohol-soluble nylon;
that the alcohol-soluble nylon is a copolymer nylon containing at
least nylon 6,6; and that the alcohol-soluble nylon is any of a
multi-copolymer nylon containing at least nylon 6 and nylon 6,6, a
multi-copolymer nylon containing at least nylon 6, nylon 6,6 and
nylon 610 and a multi-copolymer nylon containing at least nylon 6,
nylon 6,6, nylon 610 and nylon 12.
[0011] The present invention can provide hair for toys which has
such repeatable play performance that hairs (filaments) can be
transformed into arbitrary shapes upon application of water, the
shape-transformed condition can be fixed over a long period of time
by drying and the shape-transformed hairs (filaments) can
optionally be restored to an original condition or transformed into
different shapes.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0012] The filaments made of a resin that make up the hair for toys
of the present invention are formed of a resin containing at least
an alcohol-soluble resin.
[0013] As the alcohol-soluble resin, a thermoplastic
alcohol-soluble nylon may preferably be used, which has superior
fiber (filament)-forming properties. In particular, among
alcohol-soluble nylons, a copolymer nylon containing at least nylon
6,6, a multi-copolymer nylon containing at least nylon 6 and nylon
6,6, a multi-copolymer nylon containing at least nylon 6, nylon 6,6
and nylon 610 and a multi-copolymer nylon containing at least nylon
6, nylon 6,6, nylon 610 and nylon 12 do not make use of any harmful
substance such as formalin, and hence can secure a high safety when
they are produced or used.
[0014] As the resin for making up the filaments, the
alcohol-soluble resin may be used alone, or the alcohol-soluble
resin and a resin different from the alcohol-soluble resin may also
be used in the form of a blend. Such resin different from the
alcohol-soluble resin may preferably be a resin having fiber
(filament)-forming properties, and may include thermoplastic resins
such as polyamide resin, polyester resin and polyolefin resin.
[0015] The polyamide resin may be exemplified by nylon 6, nylon
6,6, nylon 6,9, nylon 11, nylon 12, copolymer nylon 6-12, copolymer
nylon 6,9-12, and polyamide elastomers. The polyester resin may be
exemplified by polyhexamethylene terephthalate, polyethylene
terephthalate, polybutylene terephthalate, saturated aliphatic
polyesters, and polyester elastomers. The polyolefin resin may be
exemplified by low-density polyethylene, linear low-density
polyethylene, high-density polyethylene, polypropylene, a
polypropylene-ethylene copolymer, polyisobutylene, polybutadiene,
and ethylene-propylene rubber. Any of these may be used alone or in
combination.
[0016] In the case when a different resin is blended, the
alcohol-soluble resin may be contained in the resin in an amount of
10% by mass or more, preferably 30% by mass or more, and more
preferably 50% by mass or more. This enables satisfaction of how
well the filaments are transformed upon application of water and
how well the shape-transformed condition can be fixed by
drying.
[0017] The filaments made up as described above are produced in the
form of multi-filaments by melt spinning making use of a melt
spinning machine. This is because a bundle of filaments (fibers)
can be made up in such a form that they are readily continuously
set in dolls or animal-shaped toys by means of a setting
machine.
[0018] Here, the filaments may be circular in their cross sections
or, without limitation thereto, be star-shaped, Y-shaped or of any
other different shape, any of which may appropriately be selected
depending on the feel, the bulkiness, the curl workability and so
forth.
[0019] The filaments may each preferably have outer diameter within
the range of from 30 .mu.m to 200 .mu.m, and more preferably from
40 .mu.m to 120 .mu.m. Those having an outer diameter of less than
30 .mu.m are so thin as to have poor shape retention after they
have come transformed. On the other hand, those having an outer
diameter of more than 200 .mu.m are so thick as to show the
property of hair with difficulty.
[0020] The filaments may easily stick together when they are left
in the state of being lapped over one another, depending on the
types of the alcohol-soluble resin to be used or of the resin to be
blended. In order to prevent this, the filaments may be those
having the form of core-sheath type composite filaments.
[0021] Stated specifically, they are composite filaments (fibers)
of a core-sheath type in which the resin containing the
alcohol-soluble resin forms the core and a resin which is so
composed that the filaments can not easily stick to one another is
so joined as to surround the core in the shape of a sheath. In this
case, the resin that forms the sheath is required to have water
permeability.
[0022] Further, where the filaments can not easily stick together
in the state they are lapped over one another, depending on the
types of the alcohol-soluble resin to be used or of the resin to be
blended, what may be obtained are composite filaments (fibers) of a
core-sheath type in which a resin containing no alcohol-soluble
resin forms the core and the resin containing the alcohol-soluble
resin is so joined as to surround the core in the shape of a
sheath, and composite filaments (fibers) of a core-sheath type in
which the resin containing the alcohol-soluble resin forms the core
and the resin containing the alcohol-soluble resin is so joined as
to surround the core in the shape of a sheath. Such make-up enables
the alcohol-soluble resin to be contained in a smaller quantity
than that in the case of single-phase filaments.
[0023] The alcohol-soluble resin to be contained in the core-sheath
type composite filaments may preferably be contained in an amount
of 30% by mass or more, and more preferably 50% by mass or more.
This enables satisfaction of how well the filaments are transformed
upon application of water and how well the shape-transformed
condition can be fixed by drying.
[0024] To the filaments, a usual pigment, a fluorescent pigment, a
thermochromic microcapsule pigment, a photochromic material or the
like may be added to obtain filaments with various color tones.
[0025] The thermochromic microcapsule pigment may effectively be a
pigment obtained by enclosing in microcapsules a reversibly
thermochromic composition containing three components, an
electron-donating color-developing organic compound, an
electron-accepting compound and an organic compound medium which
causes color-developing reaction reversibly.
[0026] As the microcapsules, those having particle diameter within
the range of from 1 .mu.m to 30 .mu.m, and preferably from 5 .mu.m
to 15 .mu.m may be used, which may be incorporated in the resin in
an amount of from 0.5% by mass to 40% by mass, and preferably from
1% by mass to 30% by mass. If they are mixed in an amount of less
than 0.5% by mass, it is difficult to make any sharp thermochromic
effect visible. If they are in an amount of more than 40% by mass,
they are in excess, and may cause aftercolor when the pigment is in
a color extinguished state.
[0027] The photochromic material may effectively be a photochromic
compound such as a spiroxazine type compound, a spiropyran type
compound or a diarylethene type compound.
[0028] Further, a general-purpose plasticizer of various types, as
exemplified by phthalic acid type, aliphatic dibasic ester type,
phosphoric ester type, epoxy type, phenol type and trimellitic acid
type compounds, may be mixed so as to provide the filaments with
flexibility. calcium carbonate, magnesium carbonate, titanium
oxide, talc or the like may also be added in order to improve
workability, physical properties and so forth.
[0029] The present invention provides hair for toys which has a
function that, as described above, filaments can be
shape-transformed upon application of water while showing
flexibility, and the shape can be retained by drying the
shape-transformed filaments as they stand fixed to the desired
shape, where the shape transformation and fixation can be achieved
by a simple method, i.e., by the application of water, and further
the filaments having retained that shape can be released from their
fixed shape upon application of water so as to be transformed into,
and fixed to, any desired different shapes, thus having the utility
of repeatability.
[0030] The filaments are shape-transformed upon application of
water while showing their flexibility, and the shape into which the
filaments have been transformed is fixed upon drying. This is
presumed to be due to the fact that the alcohol-soluble resin is so
rich in hydrophilicity that the filaments may come to loose its
crystalline structure upon absorption of water and come to have a
low modulus in flexure while keeping their flexibility, and the
filaments come again crystallized upon drying to increase in the
modulus in flexure, where the shape-transformed condition of the
filaments is retained while keeping them hardened.
[0031] Further, the hair for toys of the present invention has such
play performance that, after its filaments have been transformed
into a desired shape, water is applied thereto, whereupon this
shape can be retained even when a fixture is removed before drying.
This is presumed to be due to the fact that the filaments absorbs
water in the state a strain coming from stress is applied thereto,
whereupon they come shifted to the direction where the molecules
relax the strain, so that the shape into which the filaments have
been transformed can be retained.
[0032] Of the above core-sheath type composite filaments, composite
filaments the resin of the core of which is a resin capable of
undergoing plastic deformation at a temperature of 50.degree. C. or
less and the resin of the sheath of which is an alcohol-soluble
resin has such repeatable play performance that the filaments can
be transformed into arbitrary shapes upon application of water, the
shape-transformed condition can be fixed before drying and at the
same time the shape-transformed condition can be fixed over a
longer period of time by drying, and the shape-transformed
filaments (hairs) can optionally be restored to an original
condition or transformed into different shapes.
[0033] The resin that makes up the core is formed of the resin
capable of undergoing plastic deformation at a temperature of
50.degree. C. or less. Such a resin may include a resin made up of
a thermoplastic resin (A) and a thermoplastic polymer (B) having
glass transition temperature within the range of from 0.degree. C.
or more to 50.degree. C. or less, which resins have been melted in
an integral form in a proportion of (A):(B) of from 95:5 to
1:99.
[0034] The thermoplastic resin (A) may include polymers selected
from any of polyamide type thermoplastic elastomers including
polyamide resins such as nylon 6, nylon 6,6, nylon 12, nylon 6,9,
nylon 612, copolymer nylon 6-6,6, copolymer nylon 6-12, copolymer
nylon 6-6,6-12 and copolymer nylon 6,9-12, polyester resins such as
polyethylene terephthalate and polybutylene terephthalate,
acrylonitrile-styrene copolymer resin,
acrylonitrile-butadiene-styrene copolymer resin, polycarbonate
resin, vinylidene chloride-vinyl chloride copolymer resin,
copolymer acrylonitrile resin and polyamide-polyether block
copolymer resin; styrene type thermoplastic elastomers such as
styrene-butadiene block copolymer resin; polyolefin type
thermoplastic elastomers such as polypropylene-ethylene propylene
rubber block copolymer resin; polybutadiene type thermoplastic
elastomers; polyester type thermoplastic elastomers; and
thermoplastic elastomers such as ethylene-vinyl acetate type
copolymers.
[0035] In order to retain graceful flexibility over a long period
of time, it is desirable to use the thermoplastic elastomer, where
the filaments are prevented from loosing their gracefulness with
time to become hard in quality.
[0036] The thermoplastic polymer (B) may include saturated
polyester resins, acrylate resins, methacrylate resins, vinyl
acetate resins, polyamide resins, epoxy resins (uncured products),
hydrocarbon resins, soft vinyl chloride resins, ethylene-vinyl
acetate copolymer resins, vinyl chloride-vinyl acetate copolymer
resins, vinyl chloride-acrylate copolymer resins, styrene resins,
and acrylate-styrene copolymer resins.
[0037] Of the above thermoplastic polymer (B), those having a glass
transition temperature of from 0.degree. C. or more to 50.degree.
C. or less, preferably from 10.degree. C. to 50.degree. C., more
preferably from 20.degree. C. to 40.degree. C., and still more
preferably from 30.degree. C. to 40.degree. C., are effective. In
particular, saturated polyester resins, acrylate resins, vinyl
chloride-vinyl acetate copolymer resins and styrene resins are
preferred.
[0038] Any thermoplastic polymer (B) having glass transition
temperature within the above range may be selected, and this
enables the hair for toys to have such function that the hairs
(filaments) are transformed into arbitrary shapes by heating it at
temperature within living temperatures, or the vicinity thereof, or
by using a known hairstyle transforming jig or any appropriate
stress-providing transforming means, and the shape-transformed
condition is retained, and enables infants and so forth to play
while changing hairstyles simply and easily.
[0039] Here, the thermoplastic polymer (B) is selected from
polymers having chemical structure different from the thermoplastic
resin (A), where a state in which the thermoplastic polymer (B) is
dispersed in the thermoplastic resin (A) or a state in which the
former is dispersed in and compatibilized with the latter mixedly
brings out the above function effectively.
[0040] The thermoplastic resin (A) and the thermoplastic polymer
(B) may effectively be blended in a proportion of (A):(B) of from
95:5 to 1:99 (mass ratio), preferably from 90:10 to 1:99, and more
preferably from 90:10 to 10:90. A system in which the thermoplastic
polymer (B) is less than 5% by mass may insufficiently make the
filaments operate in virtue of their coming to have a low modulus
in flexure when treated to be transformed.
[0041] Here, the thermoplastic resin (A) and the thermoplastic
polymer (B) may each be used not alone but in combination of two or
more.
[0042] As the resin capable of undergoing plastic deformation at a
temperature of 50.degree. C. or less, a shape memory resin may be
used which is chiefly composed of polyurethane resin, polyester
resin, polyolefin resin, vinyl chloride resin, styrene-butadiene
copolymer resin, polynorbornene resin, crystalline diene copolymer
resin, fluorine resin, polyisoprene resin or the like.
[0043] The resin capable of undergoing plastic deformation at a
temperature of 50.degree. C. or less may further include
thermoplastic resins such as polyolefin resin, acrylate resin,
methacrylate resin, polyester resin, polyamide resin, vinyl acetate
resin, ethylene-vinyl acetate copolymer resin, vinyl chloride
resin, vinylidene chloride resin and chlorinated polyolefin resin;
and thermoplastic elastomers such as polyolefin, styrene,
polyester, polyurethane, polyamide and polybutadiene, any of which
may be used.
[0044] As the resin that makes up the sheath, the alcohol-soluble
resin described previously may be used, and a resin different from
the alcohol-soluble resin may further be used in the form of a
blend. In the case when such a different resin is used, the
alcohol-soluble resin may be contained in the resin in an amount of
1% by mass or more, preferably 5% by mass or more, and more
preferably 10% by mass or more. This enables satisfaction of how
well the filaments are transformed upon application of water and
how well the shape-transformed condition can be fixed by
drying.
[0045] Here, where an alcohol-soluble nylon is used as the
alcohol-soluble resin, the different resin to be used in
combination may preferably be a copolymer polyamide resin. This is
because the resin has a good compatibility because of the like
polyamide structure and at the same time the resin blended has a
high water absorption and a superior flexibility.
[0046] In the composite filaments (fibers) made up as described
above, the resin (core) capable of undergoing plastic deformation
at a temperature of 50.degree. C. or less is covered with the
alcohol-soluble resin (sheath). Hence, the composite filaments have
such function that the filaments are transformable into arbitrary
shapes upon application of water, where, before drying, the
shape-transformed condition can be fixed unless any external force
is applied, in virtue of the core resin capable of undergoing
plastic deformation at a temperature of 50.degree. C. or less, and
the condition in which the filaments have been transformed into a
shape like that of permanent waves is permanently fixed upon drying
of the sheath resin.
[0047] Further, the hair for toys is provided in which the hairs
(filaments) having retained that shape can be released from their
fixed shape upon application of water so as to be transformed into,
and fixed to, any desired different shapes, thus having the utility
of repeatability.
[0048] Thus, the composite filaments (hairs) made up as described
above have the function to maintain over a long period of time the
shape brought by their transformation which function is superior to
that of hairs made up of single-phase filaments formed of the resin
capable of undergoing plastic deformation at a temperature of
50.degree. C. or less, and also have the function to maintain the
shape brought immediately after their transformation which function
is superior to that of hairs made up of single-phase filaments
formed of any resin with which the shape-transformed condition
brought upon absorption of water can be retained by drying.
EXAMPLES
[0049] The hair for toys of the present invention is described
below in greater detail by giving Examples. The present invention
is by no means limited by these Examples. Formulation in Examples
is shown as part(s) by mass.
Example 1
[0050] Production of hair for toys:
[0051] 99 parts of terpolymer nylon 6-6,6-610 as an alcohol-soluble
resin and 1 part of a brown colorant were mixed, and the mixture
obtained was spun at 180.degree. C. from spinning dies having 24
ejection orifices, by using a general-purpose melt spinning
machine, followed by stretching to obtain brown multi-filaments
(hair for toys) made up of 24 filaments of about 80 .mu.m each in
diameter.
[0052] Production of doll:
[0053] The multi-filaments thus obtained were set in a head of a
doll, made of a plastic material, by a known means and then this
head was combined with a trunk to obtain a doll.
[0054] Water was applied to the hair of the doll by using a
sprayer, and this hair was coiled around a cylindrical hair curler
of 9 mm in diameter and then dried. Thereafter, the curler was
removed, whereupon the hair came to stand curled in the same
diameter as the curler, and this shape was retainable over a long
period of time like that of permanent waves.
[0055] Next, water was again applied to the hair standing curled,
by using a sprayer, and this hair was brushed while extending it in
straight lines, whereupon the hair returned to the initial one
standing straight.
[0056] Such changes in shape took place upon application of water,
and the shape changed was fixable when the hair was dried, thus the
hair enjoyed repeatable play performance.
[0057] The doll hair standing dried was also coiled around a
cylindrical hair curler of 9 mm in diameter. Thereafter, water was
applied thereto by using a sprayer, whereupon the hair came to
stand curled in the same diameter as the curler even when the
curler was removed in the state the hair was undried. This hair was
dried as it was, whereupon it came to have the same hardness as
that before the water was applied, and this shape was retainable
over a long period of time like that of permanent waves.
Example 2
[0058] Production of hair for toys:
[0059] 10 parts of tetrapolymer nylon 6-6,6-610-12 as an
alcohol-soluble resin, 89 parts of copolymer nylon 6-12 as a resin
different from the alcohol-soluble resin and 1 part of a brown
colorant were mixed, and the mixture obtained was spun at
180.degree. C. from spinning dies having 24 ejection orifices, by
using a general-purpose melt spinning machine, followed by
stretching to obtain brown multi-filaments (hair for toys) made up
of 24 filaments of about 80 .mu.m each in diameter.
[0060] Production of doll:
[0061] The multi-filaments thus obtained were set in a head of a
doll, made of a plastic material, by a known means and then this
head was combined with a trunk to obtain a doll.
[0062] Water was applied to the hair of the doll by using a
sprayer, and this hair was coiled around a cylindrical hair curler
of 9 mm in diameter and then dried. Thereafter, the curler was
removed, whereupon the hair came to stand curled in the same
diameter as the curler, and this shape was retainable over a long
period of time like that of permanent waves.
[0063] Next, water was again applied to the hair standing curled,
by using a sprayer, and this hair was brushed while extending it in
straight lines, whereupon the hair returned to the initial one
standing straight.
[0064] Such changes in shape took place upon application of water,
and the shape changed was fixable when the hair was dried, thus the
hair enjoyed repeatable play performance.
[0065] The doll hair standing dried was also coiled around a
cylindrical hair curler of 9 mm in diameter. Thereafter, water was
applied thereto by using a sprayer, whereupon the hair came to
stand curled in the same diameter as the curler even when the
curler was removed in the state the hair was undried. This hair was
dried as it was, whereupon it came to have the same hardness as
that before the water was applied, and this shape was retainable
over a long period of time like that of permanent waves.
Example 3
[0066] Preparation of reversibly thermochromic microcapsule
pigment:
[0067] A reversibly thermochromic composition made up of 2 parts of
1,2-benz-6-diethylaminofluorane, 6 parts of
1,1-bis(4-hydroxyphenyl)-n-octane and 50 parts of stearyl caprate
was made into microcapsules by epoxy resin/amine interfacial
polymerization to obtain a reversibly thermochromic microcapsule
pigment of 10 to 20 .mu.m in average particle diameter.
[0068] The microcapsule pigment obtained was colorless at
34.degree. C. or more and came reversibly changed into pink color
at 28.degree. C. or less.
[0069] Production of hair for toys:
[0070] 3 parts of the microcapsule pigment and 97 parts of
terpolymer nylon 6-6,6-610 as an alcohol-soluble resin were mixed,
followed by melt-mixing at 180.degree. C. by means of an extruder
to obtain a reversibly thermochromic resin composition.
[0071] The reversibly thermochromic resin composition obtained was
colorless at 34.degree. C. or more and came reversibly changed into
pink color at 28.degree. C. or less.
[0072] Then, this resin composition was spun at 180.degree. C. from
spinning dies having 24 ejection orifices, by using a
general-purpose melt spinning machine, followed by stretching to
obtain multi-filaments (hair for toys) made up of 24 filaments of
about 80 .mu.m each in diameter.
[0073] Production of doll:
[0074] The multi-filaments thus obtained were set in a head of a
doll, made of a plastic material, by a known means and then this
head was combined with a trunk to obtain a doll.
[0075] The hair of the doll took on pink in an environment of a
room temperature of 25.degree. C., where water was applied thereto
by using a sprayer, and this hair was put between corrugated plates
having ridges at intervals of 10 mm and then dried. Thereafter, the
plates were removed, whereupon the hair came to stand waved in the
same shape as the corrugated plates, and this shape was retainable
over a long period of time like that of permanent waves.
[0076] Next, water was again applied to the hair standing waved, by
using a sprayer, and this hair was brushed while extending it in
straight lines, whereupon the hair returned to the initial one
standing straight.
[0077] Such changes in shape took place upon application of water,
and the shape changed was fixable when the hair was dried, thus the
hair enjoyed repeatable play performance.
Example 4
[0078] Production of hair for toys:
[0079] As a core material 100 parts of an alcohol-soluble resin
tetrapolymer nylon 6-6,6-610-12 and as a sheath material a mixture
of 99 parts of a polyamide elastomer with a shore hardness of 55
and 1 part of a brown colorant were used, and these were spun at
200.degree. C. from spinning dies having 18 ejection orifices, by
using a composite filament spinning machine and in such a way that
the core/sheath ratio came to be 6/4, to obtain composite filaments
(hair for toys) having core/sheath structure, of 70 .mu.m each in
diameter.
[0080] Production of doll:
[0081] The composite filaments thus obtained were set in a head of
a doll, made of a plastic material, by a known means and then this
head was combined with a trunk to obtain a doll.
[0082] Water was applied to the hair of the doll by using a
sprayer, and this hair was coiled around a cylindrical hair curler
of 9 mm in diameter and then dried. Thereafter, the curler was
removed, whereupon the hair came to stand curled in the same
diameter as the curler, and this shape was retainable over a long
period of time like that of permanent waves.
[0083] Next, water was again applied to the hair standing curled,
by using a sprayer, and this hair was brushed while extending it in
straight lines, whereupon the hair returned to the initial one
standing straight.
[0084] Such changes in shape took place upon application of water,
and the shape changed was fixable when the hair was dried, thus the
hair enjoyed repeatable play performance.
[0085] The doll hair standing dried was also coiled around a
cylindrical hair curler of 9 mm in diameter. Thereafter, water was
applied thereto by using a sprayer, whereupon the hair came to
stand curled in the same diameter as the curler even when the
curler was removed in the state the hair was undried. This hair was
dried as it was, whereupon it came to have the same hardness as
that before the water was applied, and this shape was retainable
over a long period of time like that of permanent waves.
Example 5
[0086] Production of hair for toys:
[0087] As a core material a mixture of 99 parts of linear
low-density polyethylene and 1 part of a brown colorant, as a
sheath material a mixture of 10 parts of an alcohol-soluble resin
terpolymer nylon 6-6,6-610 and 89 parts of copolymer nylon 6-12 as
a resin different from the alcohol-soluble resin were used, and
these were spun at 180.degree. C. from spinning dies having 18
ejection orifices, by using a composite filament spinning machine
and in such a way that the core/sheath ratio came to be 5/5, to
obtain composite filaments (hair for toys) having core/sheath
structure, of 90 .mu.m each in diameter.
[0088] Production of doll:
[0089] The composite filaments thus obtained were set in a head of
a doll, made of a plastic material, by a known means and then this
head was combined with a trunk to obtain a doll.
[0090] Water was applied to the hair of the doll by using a
sprayer, and this hair was coiled around a cylindrical hair curler
of 9 mm in diameter and then dried. Thereafter, the curler was
removed, whereupon the hair came to stand curled in the same
diameter as the curler, and this shape was retainable over a long
period of time like that of permanent waves.
[0091] Next, water was again applied to the hair standing curled,
by using a sprayer, and this hair was brushed while extending it in
straight lines, whereupon the hair returned to the initial one
standing straight.
[0092] Such changes in shape took place upon application of water,
and the shape changed was fixable when the hair was dried, thus the
hair enjoyed repeatable play performance.
[0093] The doll hair standing dried was also coiled around a
cylindrical hair curler of 9 mm in diameter. Thereafter, water was
applied thereto by using a sprayer, whereupon the hair came to
stand curled in the same diameter as the curler even when the
curler was removed in the state the hair was undried. This hair was
dried as it was, whereupon it came to have the same hardness as
that before the water was applied, and this shape was retainable
over a long period of time like that of permanent waves.
Example 6
[0094] Production of hair for toys:
[0095] 60 parts of copolymer polyamide resin (melting point:
155.degree. C.) as a thermoplastic resin (A), as a thermoplastic
resin (B) 39 parts of polyester resin having a glass transition
temperature of 36.degree. C., and 1 part of a brown colorant were
mixed to obtain a resin for making up the core.
[0096] Meanwhile, 100 parts of an alcohol-soluble resin (terpolymer
nylon 6-6,6-610) was obtained as a resin for making up the
sheath.
[0097] The resin for making up the core and the resin for making up
the sheath were fed to a core-forming extruder and a sheath-forming
extruder, respectively, and these were spun at 190.degree. C. from
spinning dies having 20 ejection orifices, by using a composite
filament spinning machine and in such a way that the core/sheath
ratio came to be 5/5 (volume ratio), to obtain brown hair for toys
(composite filaments) made up of 20 filaments of 90 .mu.m each in
diameter.
[0098] Production of doll:
[0099] The hair for toys thus obtained was set in a head of a doll,
made of a plastic material, by a known means and then this head was
joined with a trunk to obtain a doll.
[0100] This hair of the doll had rigidity, and was unable to be
curled by merely coiling it around a hair curler. Water was applied
to this hair by using a sprayer, whereupon the hair came to have
flexibility to come plastically deformable.
[0101] Further, this hair was heated to 36.degree. C. or more by
hand touching, whereupon the hair came more flexible. In this
state, the hair was coiled around a cylindrical hair curler of 9 mm
in diameter and then dried. Thereafter, the curler was removed,
whereupon the hair came to stand curled in the same diameter as the
curler, and this shape was retainable over a long period of time
like that of permanent waves.
[0102] Next, water was again applied to the hair standing curled,
by using a sprayer, and this hair was brushed while extending it in
straight lines, whereupon the hair returned to the initial one
standing straight. Here, the hair was heated to 36.degree. C. or
more by hand touching, whereupon the hair was readily able to
return to the one standing straight.
[0103] Incidentally, where the water is applied to the hair, then
the hair is coiled around the curler and thereafter the curler is
removed before the hair is dried, the hair comes to stand curled in
the same diameter as the curler unless any external force is
applied, and the condition where it stands curled upon drying is
retainable over a long period of time. Thus, the hair can satisfy
such play performance that it is curled without relying on
drying.
[0104] Further, where the water is applied to the hair, then the
hair is coiled around the curler and thereafter the curler is
removed before the hair is dried, the hair standing thus curled may
be brushed in that state while extending it in straight lines,
whereupon the hair can be made to return to the initial one
standing straight.
[0105] Such changes in shape took place upon application of water,
and the shape changed was fixable when the hair was dried, thus the
hair enjoyed repeatable play performance.
[0106] The doll hair may also, after water has been applied
thereto, be coiled around a hair curler to curl the hair. Besides,
the hair standing dried may be coiled around a hair curler and
thereafter water may be applied to curl the hair.
Example 7
[0107] Production of hair for toys:
[0108] 70 parts of a polyamide elastomer (melting point:
160.degree. C.) as a thermoplastic resin (A), as a thermoplastic
resin (B) 29 parts of a 3:1 mixture of a polyester resin having a
glass transition temperature of 40.degree. C. and a polyester resin
having the same of -20.degree. C. (Tg after mixing: 25.degree. C.),
and 1 part of a black colorant were mixed to obtain a resin for
making up the core.
[0109] Meanwhile, 10 parts of an alcohol-soluble resin (terpolymer
nylon 6-6,6-610) and 90 parts of a resin (copolymer nylon 6-12)
different from the alcohol-soluble resin were mixed to obtain a
resin for making up the sheath.
[0110] The resin for making up the core and the resin for making up
the sheath were fed to a core-forming extruder and a sheath-forming
extruder, respectively, and these were spun at 190.degree. C. from
spinning dies having 20 ejection orifices, by using a composite
filament spinning machine and in such a way that the core/sheath
ratio came to be 8/2 (volume ratio), to obtain black hair for toys
(composite filaments) made up of 20 filaments of 90 .mu.m each in
diameter.
[0111] Production of doll:
[0112] The hair for toys thus obtained was set in a head of a doll,
made of a plastic material, by a known means and then this head was
joined with a trunk to obtain a doll.
[0113] This hair of the doll had rigidity, and was unable to be
curled by merely coiling it around a hair curler. Water was applied
to this hair by using a sprayer, whereupon the hair came to have
flexibility to come plastically deformable.
[0114] Further, this hair was heated to 25.degree. C. or more by
hand touching, whereupon the hair came more flexible. In this
state, the hair was coiled around a cylindrical hair curler of 9 mm
in diameter and then dried. Thereafter, the curler was removed,
whereupon the hair came to stand curled in the same diameter as the
curler, and this shape was retainable over a long period of time
like that of permanent waves.
[0115] Next, water was again applied to the hair standing curled,
by using a sprayer, and this hair was brushed while extending it in
straight lines, whereupon the hair returned to the initial one
standing straight. Here, the hair was heated to 25.degree. C. or
more by hand touching, whereupon the hair was readily able to
return to the one standing straight.
[0116] Incidentally, where the water is applied to the hair, then
the hair is coiled around the curler and thereafter the curler is
removed before the hair is dried, the hair comes to stand curled in
the same diameter as the curler unless any external force is
applied, and the condition where it stands curled upon drying is
retainable over a long period of time. Thus, the hair can satisfy
such play performance that it is curled without relying on
drying.
[0117] Further, where the water is applied to the hair, then the
hair is coiled around the curler and thereafter the curler is
removed before the hair is dried, the hair standing thus curled may
be brushed in that state while extending it in straight lines,
whereupon the hair can be made to return to the initial one
standing straight.
[0118] Such changes in shape took place upon application of water,
and the shape changed was fixable when the hair was dried, thus the
hair enjoyed repeatable play performance.
[0119] The doll hair may also, after water has been applied
thereto, be coiled around a hair curler to curl the hair. Besides,
the hair standing dried may be coiled around a hair curler and
thereafter water may be applied to curl the hair.
Example 8
[0120] Preparation of reversibly thermochromic microcapsule
pigment:
[0121] A reversibly thermochromic composition made up of 2 parts of
1,2-benz-6-diethylaminofluorane, 6 parts of
1,1-bis(4-hydroxyphenyl)-n-octane and 50 parts of stearyl caprate
was made into microcapsules by epoxy resin/amine interfacial
polymerization to obtain a reversibly thermochromic microcapsule
pigment of 10 to 20 .mu.m in average particle diameter.
[0122] The microcapsule pigment obtained was colorless at
34.degree. C. or more and came reversibly changed into pink color
at 28.degree. C. or less.
[0123] Production of hair for toys:
[0124] 3 parts of the microcapsule pigment, 60 parts of a copolymer
polyamide resin (melting point: 155.degree. C.) as a thermoplastic
resin (A) and as a thermoplastic resin (B) 37 parts of a polyester
resin having a glass transition temperature of 36.degree. C. were
mixed to obtain a resin for making up the core.
[0125] Meanwhile, 100 parts of an alcohol-soluble resin (terpolymer
nylon 6-6,6-610) was obtained as a resin for making up the
sheath.
[0126] The resin for making up the core and the resin for making up
the sheath were fed to a core-forming extruder and a sheath-forming
extruder, respectively, and these were spun at 190.degree. C. from
spinning dies having 20 ejection orifices, by using a composite
filament spinning machine and in such a way that the core/sheath
ratio came to be 5/5 (volume ratio), to obtain hair for toys
(composite filaments) made up of 20 filaments of 90 .mu.m each in
diameter.
[0127] The filaments were colorless at 34.degree. C. or more and
came reversibly changed into pink color at 28.degree. C. or
less.
[0128] Production of doll:
[0129] The hair for toys thus obtained was set in a head of a doll,
made of a plastic material, by a known means and then this head was
joined with a trunk to obtain a doll.
[0130] This hair of the doll took on pink in an environment of a
room temperature of 25.degree. C. and had rigidity, and this was
unable to be curled by merely coiling it around a hair curler.
Water was applied to this hair by using a sprayer, whereupon the
hair came to have flexibility to come plastically deformable.
[0131] Further, this hair was heated to 36.degree. C. or more by
hand touching, whereupon the hair came more flexible and at the
same time turned colorless. In this state, the hair was put between
corrugated plates having ridges at intervals of 10 mm and then
dried. Thereafter, the plates were removed, whereupon the hair came
to stand waved in the same shape as the corrugated plates, and this
shape was retainable over a long period of time like that of
permanent waves.
[0132] Next, water was again applied to the hair standing waved, by
using a sprayer, and this hair was brushed while extending it in
straight lines, whereupon the hair returned to the initial one
standing straight. Here, the hair was heated to 36.degree. C. or
more by hand touching, whereupon the hair turned colorless and at
the same time was readily able to return to the one standing
straight.
[0133] Incidentally, where the water is applied to the hair, then
the hair is put between corrugated plates and thereafter the
corrugated plates are removed before the hair is dried, the hair
comes to stand waved in the same shape as the corrugated plates
unless any external force is applied, and the condition where it
stands waved upon drying is retainable over a long period of time.
Thus, the hair can satisfy such play performance that it is waved
without relying on drying.
[0134] Further, where the water is applied to the hair, then the
hair is put between corrugated plates and thereafter the corrugated
plates are removed before the hair is dried, the hair standing thus
waved may be brushed in that state while extending it in straight
lines, whereupon the hair can be made to return to the initial one
standing straight.
[0135] Such changes in shape took place upon application of water,
and the shape changed was fixable when the hair was dried, thus the
hair enjoyed repeatable play performance.
[0136] The doll hair may also, after water has been applied
thereto, be put between the corrugated plates to wave the hair.
Besides, the hair standing dried may be put between the corrugated
plates and thereafter water may be applied to wave the hair.
Example 9
[0137] Production of hair for toys:
[0138] 60 parts of 35 mol % isophthalic acid modified polybutylene
terephthalate (melting point: 168.degree. C.) as a thermoplastic
resin (A), as a thermoplastic resin (B) 39 parts of an acrylic
resin having a glass transition temperature of 35.degree. C. and 1
part of a blonde colorant were mixed to obtain a resin for making
up the core.
[0139] Meanwhile, 25 parts of an alcohol-soluble resin
(tetrapolymer nylon 6-6,6-610-12) and 75 parts of copolymer nylon
6-12 as a resin different from the alcohol-soluble resin were mixed
to obtain a resin for making up the sheath.
[0140] The resin for making up the core and the resin for making up
the sheath were fed to a core-forming extruder and a sheath-forming
extruder, respectively, and these were spun at 190.degree. C. from
spinning dies having 20 ejection orifices, by using a composite
filament spinning machine and in such a way that the core/sheath
ratio came to be 8/2 (volume ratio), to obtain blonde hair for toys
(composite filaments) made up of 20 filaments of 90 .mu.m each in
diameter.
[0141] Production of doll:
[0142] The hair for toys thus obtained was set in a head of a doll,
made of a plastic material, by a known means and then this head was
joined with a trunk to obtain a doll.
[0143] This hair of the doll had rigidity, and was unable to be
curled by merely coiling it around a hair curler. Water was applied
to this hair by using a sprayer, whereupon the hair came to have
flexibility to come plastically deformable.
[0144] Further, this hair was heated to 35.degree. C. or more by
hand touching, whereupon the hair came more flexible. In this
state, the hair was coiled around a cylindrical hair curler of 9 mm
in diameter and then dried. Thereafter, the curler was removed,
whereupon the hair came to stand curled in the same diameter as the
curler, and this shape was retainable over a long period of time
like that of permanent waves.
[0145] Next, water was again applied to the hair standing curled,
by using a sprayer, and this hair was brushed while extending it in
straight lines, whereupon the hair returned to the initial one
standing straight. Here, the hair was heated to 35.degree. C. or
more by hand touching, whereupon the hair was readily able to
return to the one standing straight.
[0146] Incidentally, where the water is applied to the hair, then
the hair is coiled around the curler and thereafter the curler is
removed before the hair is dried, the hair comes to stand curled in
the same diameter as the curler unless any external force is
applied, and the condition where it stands curled upon drying is
retainable over a long period of time. Thus, the hair can satisfy
such play performance that it is curled without relying on
drying.
[0147] Further, where the water is applied to the hair, then the
hair is coiled around the curler and thereafter the curler is
removed before the hair is dried, the hair standing thus curled may
be brushed in that state while extending it in straight lines,
whereupon the hair can be made to return to the initial one
standing straight.
[0148] Such changes in shape took place upon application of water,
and the shape changed was fixable when the hair was dried, thus the
hair enjoyed repeatable play performance.
[0149] The doll hair may also, after water has been applied
thereto, be coiled around a hair curler to curl the hair. Besides,
the hair standing dried may be coiled around a hair curler and
thereafter water may be applied to curl the hair.
Example 10
[0150] Production of hair for toys:
[0151] 100 parts of a polyurethane type shape memory resin having a
glass transition temperature of 10.degree. C. was obtained as a
resin for making up the core.
[0152] Meanwhile, 100 parts of an alcohol-soluble resin
(tetrapolymer nylon 6-6,6-610-12) and a brown colorant were mixed
to obtain a resin for making up the sheath.
[0153] The resin for making up the core and the resin for making up
the sheath were fed to a core-forming extruder and a sheath-forming
extruder, respectively, and these were spun at 200.degree. C. from
spinning dies having 20 ejection orifices, by using a composite
filament spinning machine and in such a way that the core/sheath
ratio came to be 5/5 (volume ratio), to obtain brown hair for toys
(composite filaments) made up of 20 filaments of 90 .mu.m each in
diameter.
[0154] Production of doll:
[0155] The hair for toys thus obtained was set in a head of a doll,
made of a plastic material, by a known means and then this head was
joined with a trunk to obtain a doll.
[0156] This hair of the doll had rigidity, and was unable to be
curled by merely coiling it around a hair curler. Water was applied
to this hair by using a sprayer, whereupon the hair came to have
flexibility to come plastically deformable.
[0157] In this state, the hair was coiled around a cylindrical hair
curler of 9 mm in diameter and then dried. Thereafter, the curler
was removed, whereupon the hair came to stand curled in the same
diameter as the curler, and this shape was retainable over a long
period of time like that of permanent waves.
[0158] Next, water was again applied to the hair standing curled,
by using a sprayer, and this hair was brushed while extending it in
straight lines, whereupon the hair returned to the initial one
standing straight.
[0159] Incidentally, where the water is applied to the hair, then
the hair is coiled around the curler and thereafter the curler is
removed before the hair is dried, the hair comes to stand curled in
the same diameter as the curler unless any external force is
applied, and the condition where it stands curled upon drying is
retainable over a long period of time. Thus, the hair can satisfy
such play performance that it is curled without relying on
drying.
[0160] Further, where the water is applied to the hair, then the
hair is coiled around the curler and thereafter the curler is
removed before the hair is dried, the hair standing thus curled may
be brushed in that state while extending it in straight lines,
whereupon the hair can be made to return to the initial one
standing straight.
[0161] Such changes in shape took place upon application of water,
and the shape changed was fixable when the hair was dried, thus the
hair enjoyed repeatable play performance.
[0162] The doll hair may also, after water has been applied
thereto, be coiled around a hair curler to curl the hair. Besides,
the hair standing dried may be coiled around a hair curler and
thereafter water may be applied to curl the hair.
* * * * *