U.S. patent application number 15/013215 was filed with the patent office on 2016-08-11 for penetrant liquid for ink jet textile printing.
The applicant listed for this patent is Seiko Epson Corporation. Invention is credited to Hidehiko KOMATSU, Yasuhiro OKI.
Application Number | 20160230334 15/013215 |
Document ID | / |
Family ID | 55310674 |
Filed Date | 2016-08-11 |
United States Patent
Application |
20160230334 |
Kind Code |
A1 |
OKI; Yasuhiro ; et
al. |
August 11, 2016 |
PENETRANT LIQUID FOR INK JET TEXTILE PRINTING
Abstract
A penetrant liquid for ink jet textile printing includes a
compound containing a lactam structure and water, in which the
content of the compound containing a lactam structure is 20% by
mass or more.
Inventors: |
OKI; Yasuhiro; (Matsumoto,
JP) ; KOMATSU; Hidehiko; (Chino, JP) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
Seiko Epson Corporation |
Tokyo |
|
JP |
|
|
Family ID: |
55310674 |
Appl. No.: |
15/013215 |
Filed: |
February 2, 2016 |
Current U.S.
Class: |
1/1 |
Current CPC
Class: |
C09D 11/38 20130101;
C09D 11/40 20130101; C09D 11/54 20130101; D06P 5/30 20130101; D06P
1/6495 20130101; D06P 1/65131 20130101; D06P 1/6426 20130101; C09D
11/328 20130101; D06P 1/5292 20130101; D06P 1/613 20130101 |
International
Class: |
D06P 1/649 20060101
D06P001/649; D06P 1/52 20060101 D06P001/52; D06P 1/651 20060101
D06P001/651; D06P 5/30 20060101 D06P005/30 |
Foreign Application Data
Date |
Code |
Application Number |
Feb 5, 2015 |
JP |
2015-021558 |
Claims
1. A penetrant liquid for ink jet textile printing comprising: a
compound containing a lactam structure and water, wherein the
content of the compound containing a lactam structure is 20% by
mass or more.
2. The penetrant liquid for ink jet textile printing according to
claim 1, wherein the compound containing a lactam structure
includes at least one compound selected from the group consisting
of 2-pyrrolidone, 2-azetidinone, 2-piperidone,
.epsilon.-caprolactam, 4-ethyl-2-azetidinone,
N-methyl-2-pyrrolidone, and 3-amino-2-piperidone.
3. The penetrant liquid for ink jet textile printing according to
claim 1, wherein the content of the compound containing a lactam
structure is 30 to 50% by mass.
4. The penetrant liquid for ink jet textile printing according to
claim 1, further comprising a nonionic surfactant.
5. The penetrant liquid for ink jet textile printing according to
claim 1, further comprising a silicone-based surfactant.
6. The penetrant liquid for ink jet textile printing according to
claim 1, further comprising at least one organic solvent selected
from the group consisting of a glycol ether having a boiling point
of 260.degree. C. or lower and an alkyl polyol having a boiling
point of 260.degree. C. or lower, and being substantially free of
an organic solvent having a boiling point higher than 260.degree.
C.
7. An ink set comprising: an ink composition containing a dye, and
the penetrant liquid for ink jet textile printing according to
claim 1.
8. An ink set comprising: an ink composition containing a dye, and
the penetrant liquid for ink jet textile printing according to
claim 2.
9. An ink set comprising: an ink composition containing a dye, and
the penetrant liquid for ink jet textile printing according to
claim 3.
10. An ink set comprising: an ink composition containing a dye, and
the penetrant liquid for ink jet textile printing according to
claim 4.
11. An ink set comprising: an ink composition containing a dye, and
the penetrant liquid for ink jet textile printing according to
claim 5.
12. An ink set comprising: an ink composition containing a dye, and
the penetrant liquid for ink jet textile printing according to
claim 6.
Description
BACKGROUND
[0001] 1. Technical Field
[0002] The present invention relates to a penetrant liquid for ink
jet textile printing.
[0003] 2. Related Art
[0004] An ink jet recording method allows a relatively simple
apparatus to record a high-resolution image, and use of the ink jet
recording method is thus rapidly increasing in a variety of fields.
Various studies on ink jet textile printing methods have been made
under such circumstances. JP-A-2001-89982, for example, discloses
an ink jet textile printing method which performs printing onto a
fabric by an ink jet method and which aims to enable ink to
penetrate to the back of a fabric, to give less blur, to be printed
at a similar density on the front surface and the back surface of
the fabric, and to easily produce an intricate pattern by the ink
jet method. The ink jet textile method uses an ink containing 41 to
95% by weight of organic solvents based on the weight of the
ink.
[0005] The method according to JP-A-2001-89982, however, provides
printed materials all having a low dye concentration difference
between the front side and the back side. Accordingly, in
consideration of a wide variety of applications of ink
compositions, that is, in the case where printed materials having a
dye concentration difference between the front side and the back
side are desired, a change in ink compositions is required.
SUMMARY
[0006] An advantage of some aspects of the invention is that a
penetrant liquid for ink jet textile printing which can suppress a
difference in coloring property between the front and back surfaces
of printed materials is provided.
[0007] Some penetrant liquids of the aspects of the invention have
a certain composition to confer the above-described advantage.
[0008] Some aspects of the invention are provided below.
[0009] [1] A penetrant liquid for ink jet textile printing
including a compound containing a lactam structure and water, in
which the content of the compound containing a lactam structure is
20% by mass or more.
[0010] [2] The penetrant liquid for ink jet textile printing
according to Item [1], in which the compound containing a lactam
structure includes at least one compound selected from the group
consisting of 2-pyrrolidone, 2-azetidinone, 2-piperidone,
.epsilon.-caprolactam, 4-ethyl-2-azetidinone,
N-methyl-2-pyrrolidone, and 3-amino-2-piperidone.
[0011] [3] The penetrant liquid for ink jet textile printing
according to Item [1] or [2], in which the content of the compound
containing a lactam structure is 30 to 50% by mass.
[0012] [4] The penetrant liquid for ink jet textile printing
according to any one of Items [1] to [3], further including a
nonionic surfactant.
[0013] [5] The penetrant liquid for ink jet textile printing
according to any one of Items [1] to [4], further including a
silicone-based surfactant.
[0014] [6] The penetrant liquid for ink jet textile printing
according to any one of Items [1] to [5], including at least one
organic solvent selected from the group consisting of a glycol
ether having a boiling point of 260.degree. C. or lower and an
alkyl polyol having a boiling point of 260.degree. C. or lower, and
being substantially free of an organic solvent having a boiling
point of higher than 260.degree. C.
[0015] [7] An ink set including an ink composition containing a dye
and the penetrant liquid for ink jet textile printing according to
any one of Items [1] to [6].
DESCRIPTION OF EXEMPLARY EMBODIMENTS
[0016] Embodiments of the invention (hereinafter referred to as
"the embodiments") will hereinafter be described in detail. The
invention is not limited to the embodiments and various
modifications can be made without departing from the scope of the
invention.
Penetrant Liquid for Ink Jet Textile Printing
[0017] A penetrant liquid for ink jet textile printing of the
embodiment includes a compound containing a lactam structure and
water, in which the content of the compound containing a lactam
structure is 20% by mass or more.
[0018] An ink composition having high penetrability may be used to
obtain a printed material having a low dye concentration difference
between the front side and the back side. Using the above-described
ink composition provides, however, printed materials all having a
low dye concentration difference between the front side and the
back side and thus a change in the ink compositions is required to
obtain a printed material having a high dye concentration
difference between the front side and the back side. Changing the
ink composition is, however, generally difficult due to limitations
regarding the number of cartridges disposed in a recording
apparatus and many technical limitations regarding the replacement
of ink compositions in a cartridge.
[0019] In view of the above, it is thought that it is practical to
obtain either a printed material having a low dye concentration
difference between the front side and the back side or a printed
material having a high dye concentration difference between the
front side and the back side as needed by using penetrant liquid.
Specifically, it is thought that an ink composition used with a
penetrant liquid enables a printed material having a low dye
concentration difference between the front side and the back side
to be obtained, and the same ink composition used without a
penetrant liquid enables a printed material having a high dye
concentration difference between the front side and the back side
to be obtained. Various printed materials can thus be obtained by
use or non-use of a penetrant liquid.
[0020] Printed materials having a low dye concentration difference
between the front side and the back side with desirable coloring
property may, however, not always be obtained by using a penetrant
liquid depending on the recording media used such as fabrics formed
of various types of fibers. This is related to, for example, the
combinations of coloring components (an acidic dye, a basic dye, a
reactive dye, or the like) of ink compositions and the types of
fibers (natural fibers such as silk, synthetic fibers such as
polyester, specifically, properties and functional groups of fiber
surfaces) of fabrics. Using a penetrant liquid may contribute to
coloring deterioration depending on the combinations of coloring
components of ink compositions and the types of fibers of
fabrics.
[0021] A penetrant liquid for ink jet textile printing of the
embodiment can, however, provide printed materials having a low dye
concentration difference between the front side and the back side
with desirable coloring property using combinations of various ink
compositions and recording media because of the above-described
structure, specifically, the structure including a certain amount
of a compound containing a lactam structure. Furthermore, the
penetrant liquid can provide either a printed material having a low
dye concentration difference between the front side and the back
side or a printed material having a high dye concentration
difference between the front side and the back side by use or
non-use of the penetrant liquid as needed. Each component will
hereinafter be described in detail.
Compound Containing Lactam Structure
[0022] A compound containing a lactam structure, for example,
preferably includes, but is not limited to, at least one compound
selected from the group consisting of 2-pyrrolidone, 2-azetidinone,
2-piperidone, .epsilon.-caprolactam, 4-ethyl-2-azetidinone,
N-methyl-2-pyrrolidone, and 3-amino-2-piperidone and more
preferably is 2-pyrrolidone. Using the above-described compound
containing a lactam structure tends to result in printed materials
having a low dye concentration difference between the front side
and the back side with a desirable coloring property.
[0023] The content of the compound containing a lactam structure is
20% by mass or more, preferably 25 to 55% by mass, more preferably
30 to 50% by mass based on 100% by mass of a penetrant liquid for
ink jet textile printing. When the content of the compound
containing a lactam structure is 20% by mass or more, printed
materials having a low dye concentration difference between the
front side and the back side with a desirable coloring property can
be provided. When the content of the compound containing a lactam
structure is 55% by mass or less, the property of attacking
(dissolution, swelling, or the like) constituent materials of a
print head or a flow channel can be suppressed and discharge
reliability can be provided.
Water
[0024] Water may be, for example, water in which ionic impurities
have been removed as much as possible, such as pure water or
ultrapure water, examples of which include ion exchanged water,
ultrafiltration water, reverse osmosis purified water, distilled
water, or the like. When water sterilized by irradiation with an
ultraviolet ray, addition of hydrogen peroxide, or the like is
used, growth of fungi and bacteria can be prevented during
long-term storage of a penetrant liquid for ink jet textile
printing. When using the above-described water, storage stability
tends to be further improved.
[0025] The content of water is preferably 30 to 80% by mass, more
preferably 35 to 75% by mass, further more preferably 40 to 70% by
mass based on 100% by mass of a penetrant liquid for ink jet
textile printing.
Organic Solvent
[0026] A penetrant liquid for ink jet textile printing may further
include an organic solvent. Examples of the organic solvent
include, but are not limited to, a glycol ether-based solvent, a
nitrogen-containing solvent, an aprotic polar solvent, an alkyl
polyol solvent, and a monoalcohol-based solvent. The organic
solvent may be used alone, or two or more of organic solvents may
be used in combination.
[0027] The penetrant liquid for ink jet textile printing preferably
includes at least one organic solvent selected from the group
consisting of the glycol ether having a boiling point of
260.degree. C. or lower and the alkyl polyol having a boiling point
of 260.degree. C. or lower. When the above-described solvent is
included, discharge reliability such as the property of recovering
from clogging can be improved without deterioration of the coloring
property.
Glycol Ether Having Boiling Point of 260.degree. C. or Lower
[0028] Examples of a glycol ether having a boiling point of
260.degree. C. or lower include, but are not limited to,
dipropylene glycol dimethyl ether (171.degree. C.), diethylene
glycol ethyl methyl ether (176.degree. C.), diethylene glycol
isopropyl methyl ether (179.degree. C.), dipropylene glycol
monomethyl ether (188.degree. C.), diethylene glycol diethyl ether
(189.degree. C.), diethylene glycol monomethyl ether (194.degree.
C.), diethylene glycol butyl methyl ether (212.degree. C.),
tripropylene glycol dimethyl ether (215.degree. C.), triethylene
glycol dimethyl ether (216.degree. C.), diethylene glycol monobutyl
ether (230.degree. C.), dipropylene glycol (230.degree. C.),
diethylene glycol (245.degree. C.), ethylene glycol monophenyl
ether (245.degree. C.), triethylene glycol monomethyl ether
(249.degree. C.), and diethylene glycol dibutyl ether (256.degree.
C.) (numerals within parentheses represent the standard boiling
point). Diethylene glycol monobutyl ether (a boiling point of
230.degree. C.) and triethylene glycol monomethyl ether (a boiling
point of 230.degree. C.) are more preferred. When a glycol ether is
used, the coloring property of a back surface of a printed material
tends to be further improved. A glycol ether may be used alone, or
two or more glycol ethers may be used in combination.
[0029] The boiling point of the glycol ether is preferably 175 to
260.degree. C., more preferably 200 to 260.degree. C., further more
preferably 225 to 260.degree. C. When the boiling point of the
glycol ether is within the above-described ranges, the difference
in the coloring property between the front and back surfaces of a
printed material tends to be further reduced.
[0030] The content of the glycol ether having a boiling point of
260.degree. C. or lower is preferably 1.0 to 15% by mass, more
preferably 1.5 to 10% by mass, further more preferably 2.5 to 5.0%
by mass based on 100% by mass of a penetrant liquid for ink jet
textile printing. When the content of the glycol ether having a
boiling point of 260.degree. C. or lower is 1.0% by mass or more,
continuous discharging stability during discharge of a penetrant
from an ink jet nozzle tends to be further improved. When the
content of the glycol ether having a boiling point of 260.degree.
C. or lower is 15% by mass or less, the response to a driving
waveform of an ink jet head tends to be further improved and
discharge stability tends to be further improved.
Alkyl Polyol Having Boiling Point of 260.degree. C. or Lower
[0031] Examples of an alkyl polyol having a boiling point of
260.degree. C. or lower include, but are not limited to,
1,2-pentanediol (104.degree. C.), propylene glycol (188.degree.
C.), 1,2-butanediol (193.degree. C.), ethylene glycol (197.degree.
C.), 1,3-butanediol (207.degree. C.), 1,3-propanediol (214.degree.
C.), 1,2-hexanediol (223.degree. C.), 1,4-butanediol (230.degree.
C.), 2-methyl-2-propyl-1,3-propanediol (230.degree. C.),
1,5-pentanediol (242.degree. C.), 2-ethyl-1,3-hexanediol
(244.degree. C.), 3-methyl-1,5-pentanediol (249.degree. C.), and
1,6-hexanediol (250.degree. C.) (numerals within parentheses
represent the standard boiling point). Propylene glycol
(188.degree. C.), 1,3-butanediol (207.degree. C.), and
1,2-hexanediol (223.degree. C.) are more preferred. When an alkyl
polyol as described above is used, clogging reliability during
application of a penetrant liquid by an ink jet method tends to be
further improved. An alkyl polyol may be used alone, or two or more
alkyl polyols may be used in combination.
[0032] The boiling point of the alkyl polyol is preferably 150 to
260.degree. C., more preferably 160 to 255.degree. C., further more
preferably 170 to 250.degree. C. When the boiling point of the
alkyl polyol is within the above-described ranges, the difference
in the coloring property between the front and back surfaces of a
printed material tends to be further reduced.
[0033] The content of the alkyl polyol having a boiling point of
260.degree. C. or lower is preferably 1.0 to 10% by mass, more
preferably 2.5 to 7.5% by mass, further more preferably 3.0 to 6.0%
by mass based on 100% by mass of a penetrant liquid for ink jet
textile printing. When the content of the alkyl polyol having a
boiling point of 260.degree. C. or lower is 1.0% by mass or more,
clogging during discharge of a penetrant from an ink jet nozzle
tends to be suppressed. When the content of the alkyl polyol having
a boiling point of 260.degree. C. or lower is 10% by mass or less,
the response to a driving waveform of an ink jet head tends to be
further improved and discharge stability tends to be further
improved.
[0034] The penetrant liquid for ink jet textile printing is
preferably substantially free of an organic solvent having a
boiling point higher than 260.degree. C. When the penetrant liquid
is substantially free of the above-described solvent, the
difference in the coloring property between the front and back
surfaces of a printed material tends to be further reduced. The
term "substantially free" means that the content of an organic
solvent having a boiling point of higher than 260.degree. C. is
preferably 0 to 1.0% by mass, more preferably 0 to 0.050% by mass,
further more preferably 0% by mass based on 100% by mass of a
penetrant liquid for ink jet textile printing.
[0035] Examples of the organic solvent having a boiling point
higher than 260.degree. C. include, but are not limited to,
triethylene glycol monobutyl ether (272.degree. C.), triethylene
glycol (287.degree. C.), and glycerin (290.degree. C.) (numerals
within parentheses represent the standard boiling points).
Surfactant
[0036] A penetrant liquid for ink jet textile printing may further
include a surfactant. Examples of the surfactant include, but are
not limited to, a nonionic surfactant, a cationic surfactant, and
an anionic surfactant. A nonionic surfactant is preferred. When a
nonionic surfactant is used, discharge stability tends to be
further improved.
Nonionic Surfactant
[0037] Examples of a nonionic surfactant include, but are not
limited to, a silicone-based surfactant, an acetylene glycol-based
surfactant, a polyoxyethylene alkyl ether-based surfactant, a
polyoxypropylene alkyl ether-based surfactant, a polycyclic phenyl
ether-based surfactant, a sorbitan derivative-based surfactant, and
a fluorine-based surfactant. A silicone-based surfactant is
preferred. When a silicone-based surfactant is used, penetrability
tends to be further improved.
[0038] The content of the nonionic surfactant is preferably 0.10 to
1.0% by mass, more preferably 0.20 to 0.75% by mass, further more
preferably 0.30 to 0.60% by mass based on 100% by mass of a
penetrant liquid for ink jet textile printing. When the content of
the nonionic surfactant is 0.10% by mass or more, penetrability
tends to be further improved. When the content of the nonionic
surfactant is 1.0% by mass or less, a blur can be suppressed.
Silicone-Based Surfactant
[0039] Examples of a silicone-based surfactant include, but are not
limited to, a polysiloxane-based compound and a polyether-modified
organosiloxane. Examples of a commercially available silicone-based
surfactant include, but are not limited to, BYK-306, BYK-307,
BYK-333, BYK-341, BYK-345, BYK-346, BYK-348 (the aforementioned
being all trade names, manufactured by BYK Co., Ltd.), KF-351A,
KF-352A, KF-353, KF-354L, KF-355A, KF-615A, KF-945, KF-640, KF-642,
KF-643, KF-6020, X-22-4515, KF-6011, KF-6012, KF-6015, and KF-6017
(the aforementioned being all trade names, manufactured by
Shin-Etsu Chemical Co., Ltd.). A silicone-based surfactant may be
used alone, or two or more of silicone-based surfactants mixed
together may be used.
[0040] The content of the silicone-based surfactant is preferably
0.10 to 1.0% by mass, more preferably 0.20 to 0.75% by mass,
further more preferably 0.30 to 0.60% by mass based on 100% by mass
of a penetrant liquid for ink jet textile printing. When the
content of the silicone-based surfactant is 0.10% by mass or more,
penetrability tends to be further improved. When the content of the
silicone-based surfactant is 1.0% by mass or less, deterioration of
discharge stability tends to be suppressed.
Other Components
[0041] The penetrant liquid for ink jet textile printing can
further include ureas, saccharides, a pH-adjusting agent, a
chelating agent, an antiseptic, an antirust agent, or other
components.
Textile Printing Method
[0042] A textile printing method using a penetrant liquid for ink
jet textile printing of the embodiment will hereinafter be
described. The textile printing method includes a recording step in
which an ink composition containing a dye is applied onto a front
surface of a fabric by an ink jet method, and a penetrant liquid
applying step in which a penetrant liquid is applied onto the front
surface or the back surface of the fabric before or after the
above-described recording step.
[0043] A printed material having the same record on a front surface
and a back surface of a fabric is required in some cases. A method
for providing such printed material includes applying a penetrant,
which guides an ink composition to penetrate, to a fabric before or
after applying the ink composition to the fabric. Some compositions
of the penetrant, however, may cause difficulties in printing. The
difficulties include coloring deterioration (a fabric is hard to
dye), a variation in the coloring property of the front and back
surfaces of a printed material due to drying of the penetrant
liquid before penetration, or a variation in the coloring property
of the front and back surfaces of a printed material due to a
penetrant liquid being resistant to dry.
[0044] The embodiments can, however, provide printed materials less
likely to have coloring deterioration and having less coloring
property difference between the front and back surfaces by using a
penetrant liquid having a certain composition. The embodiments will
hereinafter be described in detail.
Recording Step
[0045] A recording step refers to application of an ink composition
containing a dye onto a front surface of a fabric by an ink jet
method. Examples of the ink jet method include, but are not limited
to, a charge deflection method, a continuous method, an on-demand
method (a piezo method, bubble jet (registered trademark) method),
and the like.
Ink Composition
[0046] An ink composition may contain a dye, a solvent, a
surfactant, ureas, saccharides, a pH-adjusting agent, a chelating
agent, an antiseptic, an antirust, or other components.
[0047] Examples of a dye include, but are not limited to, an acidic
dye such as C.I. Acid Yellow, C.I. Acid Red, C.I. Acid Blue, C.I.
Acid Orange, C.I. Acid Violet, and C.I. Acid Black; a basic dye
such as C.I. Basic Yellow, C.I. Basic Red, C.I. Basic Blue, C.I.
Basic Orange, C.I. Basic Violet, and C.I. Basic Black; direct dyes
such as C.I. Direct Yellow, C.I. Direct Red, C.I. Direct Blue, C.I.
Direct Orange, C.I. Direct Violet, and C.I. Direct Black; a
reactive dye such as C.I. Reactive Yellow, C.I. Reactive Red, C.I.
Reactive Blue, C.I. Reactive Orange, C.I. Reactive Violet, and C.I.
Reactive Black; and a disperse dye such as C.I. Disperse Yellow,
C.I. Disperse Red, C.I. Disperse Blue, C.I. Disperse Orange, C.I.
Disperse Violet, and C.I. Disperse Black. A dye may be used alone,
or two or more dyes may be used in combination.
Fabric
[0048] Examples of a fiber contained in a fabric include, but are
not limited to, a natural fiber such as silk, cotton, linen, and
wool; a synthetic fiber such as a polyester fiber, a nylon fiber, a
triacetate fiber, a diacetate fiber, and a polyamide fiber; and a
regenerated fiber such as rayon and the like. A fabric may be
formed from one type of fiber or may be a mixed spun containing two
or more types of fibers. In particular, a mixed spun fabric of
fibers having various penetrabilities can readily provide the
effect of the penetrant liquid. The fabric may be any type of
fabric such as a woven fabric, a knitted fabric, or a non-woven
fabric of the above-described fibers.
[0049] Examples of a combination of a fabric and a dye include, but
are not limited to, a reactive dye and a fiber containing cellulose
as a main component (cotton, linen, rayon, or the like), an acidic
dye and silk, wool, or a nylon fiber, a basic dye and an acrylic
fiber, direct dyes and cotton, linen, or rayon, and a disperse dye
and a polyester fiber. The combinations of the reactive dye and a
fiber containing cellulose as a main component, and the acidic dye
and silk, wool, or a nylon fiber are preferred. When such
combinations are used, differences in the coloring property between
the front and back surfaces of a printed material tend to be
further suppressed. The combination of a fabric and a dye, however,
is not limited to the above-described combinations.
[0050] An ink jet textile printing method of the embodiment enables
differences in the coloring property between the front and back
surfaces of a printed material to be suppressed by using a
penetrant liquid described below without adjusting a composition of
a penetrant liquid for each fabric.
Step of Applying Penetrant Liquid
[0051] A step of applying a penetrant liquid refers to applying a
penetrant liquid onto a front surface or a back surface of a fabric
before or after the recording step. Examples of a method of
applying the penetrant liquid include, but are not limited to, a
roller method, a spray method, and an ink jet method. The ink jet
method is preferred because the method enables a penetrant liquid
to be applied selectively.
[0052] The step of applying a penetrant liquid may be performed
before the recording step, after the recording step, or both before
and after the recording steps. When the step of applying a
penetrant liquid is performed before the recording step, the
recording step is preferably performed before the penetrant liquid
that has been applied onto a fabric dries. When the step of
applying a penetrant liquid is performed after the recording step,
the step of applying a penetrant liquid may be performed before or
after the ink composition applied onto a fabric dries, and
preferably the step of applying a penetrant liquid is performed
before an ink composition applied onto a fabric dries. The
penetrant liquid may be applied onto a front surface, applied onto
a back surface, or applied onto both a front surface and a back
surface of a fabric.
Heating Step
[0053] The ink jet textile printing method of the embodiment may
further include a heating step for heating a fabric after the
recording step and the step of applying a penetrant liquid.
Including the heating step enables a dye to further desirably dye a
fiber contained in a fabric. Examples of the heating method
include, but are not limited to, an HT method (a high temperature
steaming method), an HP method (a high pressure steaming method),
and a thermosol method.
[0054] During the heating step, an ink composition applied surface
of a fabric may be pressed or may not be pressed. A heating method
without pressing the ink composition applied surface of a fabric
includes oven drying (using a conveyor oven, a batch oven, or the
like without pressing). Such heating step further improves the
efficiency of production of a recording product. Examples of a
heating method with pressing the ink composition applied surface of
a fabric include, but are not limited to, heat-pressing and
wet-on-drying. The term "pressing" refers to applying a pressure to
a recording medium through contacting with a solid body.
[0055] The temperature during the heating treatment is preferably
80 to 150.degree. C., more preferably 90 to 110.degree. C. When the
temperature during the heating treatment is within the
above-described range, a dye tends to further desirably dye a fiber
contained in a fabric.
Cleaning Step
[0056] The ink jet textile printing method of the embodiment may
further include a cleaning step to clean a fabric after the heating
step. The cleaning step effectively removes a dye which has not
dyed a fiber. The cleaning step may be performed with, for example,
water, and a soaping treatment may optionally be performed. The
soaping treatment may be, but is not limited to, a method of
washing out an unfixed dye with a heated soap solution.
Ink Set
[0057] The ink set of the embodiment includes an ink composition
containing a dye and the above-described penetrant liquid for ink
jet textile printing.
Examples
[0058] The invention will be described in more detail hereinafter
with reference to Examples and Comparative Examples. The Examples
should not be construed as limiting the invention in any way.
Materials for Ink Compositions
[0059] Major materials used for ink compositions in the following
Examples and Comparative Examples are given below.
Dyes
[0060] C.I. Acid Black 172
[0061] C.I. Reactive Black 39
Glycol Ethers
[0062] Triethylene glycol monobutyl ether (standard boiling point
272.degree. C.)
[0063] Diethylene glycol monobutyl ether (standard boiling point
230.degree. C.)
Alkyl Polyols
[0064] Triethylene glycol (standard boiling point 285.degree.
C.)
[0065] Diethylene glycol (standard boiling point 245.degree.
C.)
Nitrogen-Containing Compound
[0066] 2-Pyrrolidone (standard boiling point 245.degree. C.)
Surfactant
[0067] Olfine PD-002W (a nonionic (an acetylene-based) surfactant,
manufactured by Nissin Chemical Industry Co., Ltd.)
Ureas
[0068] Urea
pH-Adjusting Agent
[0069] Triethanolamine
[0070] Tris(hydroxymethyl)aminomethane
Antiseptic
[0071] Proxel XL2 (trade name, manufactured by Arch Chemicals,
Inc.)
Preparation of Ink Composition 1
[0072] Materials of the composition shown in Table 1 below were
mixed and stirred sufficiently to obtain ink composition 1.
Specifically, the materials were mixed to provide a homogeneous
mixture and then filtered with a membrane filter (a pore size of 1
.mu.m) to prepare ink composition 1. The units of numerals are "%
by mass" and "Total" represents "100.0% by mass" in Table 1
below.
TABLE-US-00001 TABLE 1 Composition of ink composition 1 Dye C.I.
Acid Black 172 10 Glycol ether Triethylene glycol monobutyl ether 5
(boiling point 272.degree. C.) Alkyl polyol Triethylene glycol
(boiling point 285.degree. C.) 10 Nitrogen- 2-Pyrrolidone (boiling
point 245.degree. C.) 5 containing compound Surfactant Olfine
PD-002W (nonionic (acetylene-based) 0.5 surfactant, manufactured by
Nissin Chemical Industry Co., Ltd.) Others Urea 3.5 Triethanolamine
0.5 Proxel XL2 0.3 Ion exchanged water balance Total (% by mass)
100
Preparation of Ink Composition 2
[0073] Materials of the composition shown in Table 2 below were
mixed and stirred sufficiently to obtain ink composition 2.
Specifically, the materials were mixed to provide a homogeneous
mixture and then filtered with a membrane filter (a pore size of 1
.mu.m) to prepare ink composition 2. The units of numerals are "%
by mass" and "Total" represents "100.0% by mass" in Table 2
below.
TABLE-US-00002 TABLE 2 Composition of ink composition 2 Dye C.I.
Reactive Black 39 15 Glycol ether Diethylene glycol monobutyl ether
2.5 (boiling point 230.degree. C.) Alkyl polyol Diethylene glycol
(boiling point 245.degree. C.) 5 Nitrogen- 2-Pyrrolidone (boiling
point 245.degree. C.) 8 containing compound Surfactant Olfine
PD-002W (nonionic (acetylene-based) 0.1 surfactant, manufactured by
Nissin Chemical Industry Co., Ltd.) Others Urea 3.5
Trishydroxymethyl aminomethan 0.5 Proxel XL2 0.3 Ion exchanged
water balance Total (% by mass) 100
Materials for Penetrant Liquid for Ink Jet Textile Printing
[0074] Major materials used for a penetrant liquid for ink jet
textile printing in the following Examples and Comparative Examples
are given below.
Organic Solvents
[0075] Propylene glycol (a boiling point of 188.degree. C.)
[0076] Glycerin (a boiling point of 290.degree. C.)
[0077] 1,3-Butanediol (a boiling point of 207.degree. C.)
[0078] 1,2-Hexanediol (a boiling point of 223.degree. C.)
[0079] Triethylene glycol monobutyl ether (a boiling point of
272.degree. C.)
[0080] Diethylene glycol monobutyl ether (a boiling point of
230.degree. C.)
[0081] Triethylene glycol monomethyl ether (a boiling point of
230.degree. C.)
Compounds Containing Lactam Structure
[0082] 2-Azetidinone
[0083] 2-Pyrrolidone
[0084] 2-Piperidone
[0085] .epsilon.-Caprolactam
[0086] 4-Ethyl-2-azetidinone
[0087] N-Methyl-2-pyrrolidone
[0088] 3-Amino-2-piperidone
pH-Adjusting Agents
[0089] Isopropanolamine
[0090] Triethanolamine
Surfactants
[0091] Olfine PD002W (an acetylene glycol-based surfactant,
manufactured by Nissin Chemical Industry Co., Ltd.)
[0092] Olfine PD570 (a nonionic surfactant, manufactured by Nissin
Chemical Industry Co., Ltd.)
[0093] Silface SAG002 (a silicone-based surfactant, manufactured by
Nissin Chemical Industry Co., Ltd.)
[0094] BYK 348 (a silicone-based surfactant, manufactured by BYK
Co., Ltd.)
Preparation of Penetrant Liquid for Ink Jet Textile Printing
[0095] Materials of the compositions shown in Tables 3 and below
were mixed and stirred sufficiently to obtain respective penetrant
liquids for ink jet textile printing. The units of numerals are "%
by mass" and "Total" represents "100.0% by mass" in Tables 3 and
4.
TABLE-US-00003 TABLE 3 Examples 1 2 3 4 5 6 7 8 Solvent Propylene
glycol 5 3 2 Glycerin 1,3-Butanediol 5 2 1,2-Hexanediol 5 3
Triethylene glycol monobutyl ether 5 Diethylene glycol monobutyl
ether 5 Triethylene glycol monomethyl ether Compound 2-Azetidinone
30 containing 2-Pyrrolidone 40 lactam structure 2-Piperidone 40
.epsilon.-Caprolactam 50 4-Ethyl-2-azetidinone 40 40
N-Methyl-2-pyrrolidone 40 3-Amino-2-piperidone 40 pH-Adjusting
agent Isopropanolamine 0.2 0.2 0.2 Triethanolamine 0.1 0.1 0.1 0.1
0.1 Surfactant Olfine PD002W 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Olfine
PD570 (manufactured by Nissin Chemical Industry Co., Ltd.) Silface
SAG002 (manufactured by Nissin Chemical Industry Co., Ltd.) BYK 348
(manufactured by BYK Co., Ltd.) Water balance balance balance
balance balance balance balance balance Coloring property Ink
composition 1 OD value of front surface 1.54 1.54 1.56 1.55 1.56
1.56 1.55 1.56 (acidic dye) OD value of back surface 1.50 1.51 1.52
1.53 1.53 1.52 1.52 1.53 Fabric 1 (silk 100%, OD value difference
0.04 0.03 0.04 0.02 0.03 0.04 0.03 0.03 basis weight 60 g/m.sup.2)
between front surface and back surface Ink composition 1 OD value
of front surface 1.73 1.74 1.75 1.74 1.74 1.73 1.73 1.75 (acidic
dye) OD value of back surface 1.64 1.63 1.61 1.64 1.63 1.62 1.60
1.64 Fabric 2 (mixed spun OD value difference 0.09 0.11 0.14 0.10
0.11 0.11 0.13 0.11 fabric containing nylon between front surface
and and polyurethane, back surface mixing ratio 80:20, basis weight
190 g/m.sup.2) Ink composition 2 OD value of front surface 1.57
1.56 1.57 1.56 1.57 1.57 1.55 1.57 (reactive dye) OD value of back
surface 1.48 1.47 1.46 1.49 1.50 1.48 1.43 1.51 Fabric 3 (cotton
100%, OD value difference 0.09 0.09 0.11 0.07 0.07 0.09 0.12 0.06
basis weight 130 g/m.sup.2) between front surface and back surface
Examples 9 10 11 12 13 14 15 16 Solvent Propylene glycol 5 3 2
Glycerin 1,3-Butanediol 5 2 1,2-Hexanediol 5 3 Triethylene glycol
monobutyl ether 5 Diethylene glycol monobutyl ether Triethylene
glycol monomethyl ether 5 Compound 2-Azetidinone 20 containing
2-Pyrrolidone 30 lactam structure 2-Piperidone 30
.epsilon.-Caprolactam 50 4-Ethyl-2-azetidinone 30 30
N-Methyl-2-pyrrolidone 30 3-Amino-2-piperidone 30 pH-Adjusting
agent Isopropanolamine 0.2 0.2 0.2 Triethanolamine 0.1 0.1 0.1 0.1
0.1 Surfactant Olfine PD002W 0.5 0.5 0.5 Olfine PD570 (manufactured
by Nissin Chemical 0.5 0.6 0.4 0.5 0.5 Industry Co., Ltd.) Silface
SAG002 (manufactured by Nissin Chemical 0.5 0.6 0.5 0.5 0.5 0.5
Industry Co., Ltd.) BYK 348 (manufactured by BYK Co., Ltd.) 0.5 0.4
Water balance balance balance balance balance balance balance
balance Coloring property Ink composition 1 OD value of front
surface 1.55 1.55 1.57 1.53 1.54 1.56 1.56 1.56 (acidic dye) OD
value of back surface 1.49 1.50 1.54 1.49 1.50 1.52 1.51 1.51
Fabric 1 (silk 100%, OD value difference 0.06 0.05 0.03 0.04 0.04
0.04 0.05 0.05 basis weight 60 g/m.sup.2) between front surface and
back surface Ink composition 1 OD value of front surface 1.73 1.73
1.72 1.71 1.72 1.74 1.74 1.73 (acidic dye) OD value of back surface
1.63 1.63 1.61 1.62 1.63 1.63 1.62 1.62 Fabric 2 (mixed spun OD
value difference 0.10 0.10 0.11 0.09 0.09 0.11 0.12 0.11 fabric
containing nylon between front surface and and polyurethane, back
surface mixing ratio 80:20, basis weight 190 g/m.sup.2) Ink
composition 2 OD value of front surface 1.55 1.55 1.58 1.54 1.53
1.56 1.55 1.55 (reactive dye) OD value of back surface 1.45 1.46
1.47 1.46 1.45 1.47 1.44 1.45 Fabric 3 (cotton 100%, OD value
difference 0.10 0.09 0.11 0.08 0.08 0.09 0.11 0.10 basis weight 130
g/m.sup.2) between front surface and back surface
TABLE-US-00004 TABLE 4 Comparative Examples 1 2 3 4 5 Solvent
Propylene glycol No 5 Glycerin penetrant 30 1,3-Butanediol liquid 5
1,2-Hexanediol 5 Triethylene glycol monobutyl ether 40 50 5
Compound 2-Azetidinone 15 containing 2-Pyrrolidone lactam
2-Piperidone structure .epsilon.-Caprolactam 4-Ethyl-2-azetidinone
N-Methyl-2-pyrrolidone 3-Amino-2-piperidone pH- Isopropanolamine
0.2 0.2 0.2 Adjusting Triethanolamine 0.1 agent Surfactant Olfine
PD002W 0.5 0.5 Olfine PD570 (manufactured by Nissin Chemical 0.6
0.4 Industry Co., Ltd.) Silface SAG002 (manufactured by Nissin
Chemical 0.6 0.5 Industry Co., Ltd.) BYK 348 (manufactured by BYK
Co., Ltd.) 0.4 Water balance balance balance balance Coloring Ink
composition 1 (acidic OD value of front surface 1.56 1.58 1.57 1.55
1.55 property dye) OD value of back 1.37 1.51 1.51 1.50 1.50 Fabric
1 (silk 100%, basis surface weight 60 g/m.sup.2) OD value
difference 0.19 0.07 0.06 0.05 0.05 between front surface and back
surface Ink composition 1 (acidic OD value of front surface 1.74
1.73 1.72 1.72 1.71 dye) OD value of back 0.74 1.26 1.44 1.26 1.62
Fabric 2 (mixed spun surface fabric containing nylon OD value
difference 1.00 0.47 0.28 0.46 0.09 and polyurethane, mixing
between front surface ratio 80:20, basis weight and back surface
190 g/m.sup.2) Ink composition 2 OD value of front surface 1.60
1.56 1.55 1.54 1.44 (reactive dye) OD value of back 0.98 1.47 1.44
1.46 1.40 Fabric 3 (cotton 100%, surface basis weight 130
g/m.sup.2) OD value difference 0.62 0.09 0.11 0.08 0.04 between
front surface and back surface
Evaluation of Coloring Property of Front Surface and Evaluation of
Coloring Difference Between Front Surface and Back Surface
Sample 1
[0096] A cartridge of an ink jet printer PX-G930 (manufactured by
Seiko Epson Corporation) was filled with ink composition 1 and the
penetrant liquid obtained as described above. Fabric 1 (silk 100%;
basis weight 60 g/m.sup.2) was fed to the printer, and then the
fabric was printed using the ink composition at a duty of 100% and
using the penetrant liquid at a duty of 100% to apply ink
composition 1 and the penetrant liquid onto the front surface of
fabric 1. The image resolution was set to 1440.times.720 dpi.
[0097] Fabric 1, in which ink composition 1 and the penetrant
liquid were applied onto the front surface, was steamed at
100.degree. C. for 30 minutes and then washed with an aqueous
solution containing 0.2% by mass of Laccol STA (a surfactant
manufactured by Meisei Chemical Works, Ltd.) at 55.degree. C. for
10 minutes, followed by drying to give sample 1.
Sample 2
[0098] Sample 2 was obtained by the same method as in Example 1,
except that fabric 2 (mixed spun, nylon 80% and polyurethane 20%;
basis weight 190 g/m.sup.2) was used instead of fabric 1.
Sample 3
[0099] A cartridge of the ink jet printer PX-G930 (manufactured by
Seiko Epson Corporation) was filled with ink composition 2 and the
penetrant liquid obtained as described above. Fabric 3 (cotton
100%; basis weight 130 g/m.sup.2) was fed to the printer, and then
the fabric was printed using the ink composition at a duty of 100%
and using the penetrant liquid at a duty of 100% to apply ink
composition 2 and the penetrant liquid onto the front surface of
fabric 3. The image resolution was set to 1440.times.720 dpi.
[0100] Fabric 3, in which ink composition 2 and the penetrant
liquid were applied onto the front surface, was steamed at
102.degree. C. for 10 minutes and then washed with an aqueous
solution containing 0.2% by mass of Laccol STA (a surfactant
manufactured by Meisei Chemical Works, Ltd.) at 90.degree. C. for
10 minutes, followed by drying to give sample 3.
Evaluation
[0101] OD values (coloring densities) of the front surfaces and the
back surfaces of the obtained samples were respectively measured
using a color measurement instrument (trade name "Gretag Macbeth
Spectrolino" manufactured by X-RITE INC.). The coloring property of
the front surface and a difference in the coloring property between
the front surface and the back surface were evaluated on the basis
of the evaluation criteria using the measured OD values.
[0102] The entire disclosure of Japanese Patent Application No.
2015-021558, filed Feb. 5, 2015 is expressly incorporated by
reference herein.
* * * * *