CN102071574A - Method for improving fabric ink-jet printing performance by using quaternary ammonium chitosan - Google Patents

Method for improving fabric ink-jet printing performance by using quaternary ammonium chitosan Download PDF

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Publication number
CN102071574A
CN102071574A CN2010105755762A CN201010575576A CN102071574A CN 102071574 A CN102071574 A CN 102071574A CN 2010105755762 A CN2010105755762 A CN 2010105755762A CN 201010575576 A CN201010575576 A CN 201010575576A CN 102071574 A CN102071574 A CN 102071574A
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ink
fabric
modification
bake
jet printed
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CN2010105755762A
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王潮霞
卜广玖
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Jiangnan University
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Jiangnan University
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  • Inks, Pencil-Leads, Or Crayons (AREA)
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Abstract

The invention relates to a method for improving fabric ink-jet printing performance by using quaternary ammonium chitosan, belonging to the technical field of textile chemistry. The method is characterized by comprising the following steps of: respectively using dipping or padding manners to pre-process the fabric by using the water-soluble quaternary ammonium chitosan; then drying and jetting ink and printing. The improved pre-processing technique of the quaternary ammonium chitosan can obviously increase the ink-jet printing performance of the fabric, improve the fineness and color depth of the printing fabric, and increase printing color firming degree. Furthermore, the fabric has good hand feeling and antibacterial performance.

Description

A kind of n-trimethyl chitosan chloride improves the method for textile ink-jet printing performance
Technical field
The present invention relates to the method that a kind of n-trimethyl chitosan chloride improves the textile ink-jet printing performance, belong to the textile chemistry technical field.
Background technology
Shitosan belongs to and contains amino homogeneous state straight-chain polysaccharide derivative, is weak cation type polymer.Because of distributing on the macromolecular chain many hydroxyls and amino have good reaction activity; have good Bc, adsorptivity, permeability, hygroscopicity and moisture retention; and can carry out carboxy methylation, acyl groupization, alkylation, sulfuric acid and Phosphation, grafting and number of chemical such as crosslinked is modified preparation structure difference, the significant chitosan derivatives of characteristic.Not only keep the original biocompatibility of shitosan through the chitosan derivatives after quaternised modified, had the more applications characteristic owing to electropositive obtains increasing simultaneously.
Aqueous pigment ink is because contained organic solvent is few, and is little to environmental hazard, and applicable to any fabric.More and more be subjected to people's attention at present.Yet in actual applications, because the viscosity of ink-jet printing ink is less, the water imbibition of some fabric itself, armful water-based etc. are relatively poor, and it is comparatively serious decalcomania imbibition phenomenon just to occur.Simultaneously, paint ink is than dye ink, and bright-colored degree is not enough, and the stamp COLOR FASTNESS also remains further to be improved.To after the fabric treating, can improve ink-jet printed fineness, but the feel of fabric is relatively poor by thickener, urea etc.A kind of treatment process of digital ink jet fabric is disclosed as CN 1707017A, though ink-jet printed printing clearness is improved, but owing in handling engineering, used more thickener, color-fixing agent etc., had a strong impact on the feel of PRINTED FABRIC, also need adopt blanket formula transfer to improve the feel of fabric behind the stamp, treatment process is more loaded down with trivial details.
A kind of n-trimethyl chitosan chloride of the present invention improves the method for textile ink-jet printing performance, and pretreating process is simple, can significantly improve the fineness and the color depth of ink-jet printed fabric, can give fabric good hand feeling and anti-microbial property simultaneously.
Summary of the invention
The object of the present invention is to provide a kind of n-trimethyl chitosan chloride to improve the method for textile ink-jet printing performance, solve the imbibition and the diffusion problem of aqueous pigment ink, be used for significantly improving the fineness and the color depth of PRINTED FABRIC, improve the COLOR FASTNESS of PRINTED FABRIC simultaneously, and had good hand feeling and anti-microbial property.
The objective of the invention is to be realized by following technical scheme: a kind of n-trimethyl chitosan chloride improves the method for textile ink-jet printing performance, adopts the Collator Mode that floods or pad that fabric is carried out the modification preliminary treatment respectively, and carries out ink-jet printed; Adopt the Collator Mode of dipping:
(1) fabric preliminary treatment: n-trimethyl chitosan chloride 2-12g/l, the pH that regulates modification liquid is 5-10, and temperature is 25-90 ℃, and modification time is 5-50min, bath raio 1: 20-1: 30;
(2) oven dry: the fabric after the modification is dried down at 60-90 ℃;
(3) ink-jet printed: in temperature is 22-28 ℃, and relative humidity is under the condition of 60-80%, and it is ink-jet printed to adopt aqueous pigment ink to carry out, and resolution setting is 720dpi;
(4) bake: under 90-150 ℃, bake 3-10min;
The Collator Mode that employing is padded:
(1) fabric preliminary treatment: n-trimethyl chitosan chloride 2-12g/l, the pH that regulates modification liquid is 5-10, and fabric is flooded 5-10min in modification liquid, pads pressure then: 2-kg/cm 2, pick-up rate: 60-80%;
(2) oven dry: the fabric after the modification is dried down at 60-90 ℃;
(3) ink-jet printed: in temperature is 22-28 ℃, and relative humidity is under the condition of 60-80%, and it is ink-jet printed to adopt aqueous pigment ink to carry out, and resolution setting is 720dpi;
(4) bake: under 90-150 ℃, bake 3-10min;
N-trimethyl chitosan chloride of the present invention is N-(2-hydroxyl) propyl group-3-trimethyl chitin.
Ink of the present invention is an aqueous pigment ink, is divided into six looks, is specially green grass or young crops, magenta, Huang, black, shallow green grass or young crops and pale red.
Fabric of the present invention is applicable to cotton, real silk fabric, viscose glue and day silk.
The specific embodiment
Below in conjunction with embodiment the present invention is further described:
Method of testing, make a concrete analysis of as follows:
The test of 1 ink-jet printed fineness:
Textile image (multiplication factor of regulating object lens is 75 times) after adopting the collection of DZ-3 video zoom microscope ink-jet printed, open wire width measuring software (Image-Pro Express) then, select the picture of collection, choose 3 places and measure respectively, calculate ink-jet printed imbibition actual linewidth.
The test of 2 color depth K/S values:
Adopt X-rite premier 8400 spectrophotometers at CIE Lab chromatic measuring system, D 65Under 10 ° of visual angles of light source, measure the K/S value of fabric, 3 points of each sample test are got its mean value.
3 dried fastness to wet rubbing tests:
Adopt destarch, bleaching, do not contain the COTTON FABRIC of any finishing agent according to regulation among the GB7565, be cut into 75cm * 5cm square and be used for circular friction head.The unlubricated friction wiper is fixed on the friction head of testing machine, makes the direction of 5cm * 20cm friction cloth consistent with the traffic direction of friction head, on the length direction of dry friction sample, friction is 10 times in 10s, and reciprocating traverse is 10cm, and pressure at right angle is 9N; Wet friction cloth is with three grades of water-soaked, and pads, and method is the same, and friction is at room temperature dried after finishing.
The test of 4 anti-microbial properties:
To test with reference to GB/T 20944.3-2008 antibacterial fabric method for testing performance. the anti-microbial property of sample is estimated by bacteriostasis rate, and computing formula is:
XS%=(B-A)/B
In the formula: XS is a bacteriostasis rate; A is the clump count on the sample of regularly cultivating; B is the clump count on " 0 " sample contact time.
Embodiment one:
The present invention selects textile woven (18.5tex * 18.5tex, 153g/m for use 2) and the aqueous pigment magenta red ink, setting the stamp lines simultaneously is 500 μ m, the technology of employing is as follows:
(1) fabric preliminary treatment: n-trimethyl chitosan chloride 8g/l, the pH that regulates modification liquid is 9, and temperature is 70 ℃, and modification time is 20min, bath raio 1: 30;
(2) oven dry: the fabric after the modification is dried down at 90 ℃;
(3) ink-jet printed: in temperature is 25 ℃, and relative humidity is under 65% the condition, carries out ink-jet printedly, and resolution setting is 720dpi;
(4) bake: under 120 ℃, bake 3min;
Through after the above-mentioned processing, the ink-jet printed broadwise line thickness of COTTON FABRIC is improved to 675.7 μ m by untreated 773.0 μ m, and the radial line width is improved to 738.6 μ m by untreated 884.7 μ m, has improved 12.6% and 16.5% respectively; The K/S value is increased to 4.87 by untreated 3.20; Dried, fastness to wet rubbing has all improved 1/2 grade; Antibiotic rate to golden glucose coccus is 97.25%, is 95.67% to colibacillary antibiotic rate.
Embodiment two:
The present invention selects crepe de Chine real silk fabric (64g/m for use 2) and the aqueous pigment magenta red ink, setting the stamp lines simultaneously is 500 μ m, the technology of employing is as follows:
(1) fabric preliminary treatment: n-trimethyl chitosan chloride 6g/l, the pH that regulates modification liquid is 6, and temperature is 60 ℃, and modification time is 15min, bath raio 1: 20;
(2) oven dry: the fabric after the modification is dried down at 70 ℃;
(3) ink-jet printed: in temperature is 25 ℃, and relative humidity is under 65% the condition, carries out ink-jet printedly, and resolution setting is 720dpi;
(4) bake: under 100 ℃, bake 3min;
Through after the above-mentioned processing, the ink-jet printed broadwise line thickness of COTTON FABRIC is improved to 692.3 μ m by untreated 851.4 μ m, and the radial line width is improved to 757.8 μ m by untreated 962.4 μ m, has improved 18.7% and 21.2% respectively; The K/S value is increased to 6.99 by untreated 5.43; Dried, fastness to wet rubbing has improved 1/2 and 1 grade respectively; Antibiotic rate to golden glucose coccus is 96.43%, is 95.16% to colibacillary antibiotic rate.
Embodiment three:
The present invention selects textile woven (18.5tex * 18.5tex, 153g/m for use 2) and the blue or green ink of aqueous pigment product, setting the stamp lines simultaneously is 500 μ m, the technology of employing is as follows:
(1) fabric preliminary treatment: n-trimethyl chitosan chloride 10g/l, the pH that regulates modification liquid is 9, and temperature is 60 ℃, and modification time is 15min, bath raio 1: 20;
(2) oven dry: the fabric after the modification is dried down at 90 ℃;
(3) ink-jet printed: in temperature is 25 ℃, and relative humidity is under 65% the condition, carries out ink-jet printedly, and resolution setting is 720dpi;
(4) bake: under 130 ℃, bake 4min;
Through after the above-mentioned processing, the ink-jet printed broadwise line thickness of COTTON FABRIC is improved to 623.4 μ m by untreated 754.2 μ m, and the radial line width is improved to 687.3 μ m by untreated 812.5 μ m, has improved 17.3% and 15.4% respectively; The K/S value is increased to 5.21 by untreated 3.20; Dried, fastness to wet rubbing has all improved 1 grade; Antibiotic rate to golden glucose coccus is 98.75%, is 97.69% to colibacillary antibiotic rate.

Claims (2)

1. a n-trimethyl chitosan chloride improves the method for textile ink-jet printing performance, it is characterized in that adopting dipping respectively or the mode of padding is carried out the modification preliminary treatment to fabric, and carries out ink-jet printed;
Adopt the Collator Mode of dipping:
(1) fabric preliminary treatment: n-trimethyl chitosan chloride 2-12g/l, the pH that regulates modification liquid is 5-10, and temperature is 25-90 ℃, and modification time is 5-50min, bath raio 1: 20-1: 30;
(2) oven dry: the fabric after the modification is dried down at 60-90 ℃;
(3) ink-jet printed: in temperature is 22-28 ℃, and relative humidity is under the condition of 60-80%, and it is ink-jet printed to adopt aqueous pigment ink to carry out, and resolution setting is 720dpi;
(4) bake: under 90-150 ℃, bake 3-10min;
The Collator Mode that employing is padded:
(1) fabric preliminary treatment: n-trimethyl chitosan chloride 2-12g/l, the pH that regulates modification liquid is 5-10, and fabric is flooded 5-10min in modification liquid, pads pressure then: 2-3kg/cm 2, pick-up rate: 60-80%;
(2) oven dry: the fabric after the modification is dried down at 60-90 ℃;
(3) ink-jet printed: in temperature is 22-28 ℃, and relative humidity is under the condition of 60-80%, and it is ink-jet printed to adopt aqueous pigment ink to carry out, and resolution setting is 720dpi;
(4) bake: under 90-150 ℃, bake 3-10min.
2. a kind of n-trimethyl chitosan chloride according to claim 1 improves the method for textile ink-jet printing performance, it is characterized in that described fabric is cotton, real silk fabric, viscose glue and day silk.
CN2010105755762A 2010-12-07 2010-12-07 Method for improving fabric ink-jet printing performance by using quaternary ammonium chitosan Withdrawn CN102071574A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109371659A (en) * 2018-08-28 2019-02-22 苏州印丝特纺织数码科技有限公司 A kind of preparation method of the thick and heavy type silk fabric based on digit printing
CN110241638A (en) * 2018-03-09 2019-09-17 晋江千航服饰有限公司 A kind of ink-jet printed technique of swimming suit fabric
CN110438822A (en) * 2019-08-07 2019-11-12 常熟市福亿印花炼染有限公司 Steam-cleaning free printing process for disperse dye
CN111676713A (en) * 2020-07-27 2020-09-18 湖州市千金金耀制丝有限公司 Digital printing process of high-color-fastness silk fabric

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110241638A (en) * 2018-03-09 2019-09-17 晋江千航服饰有限公司 A kind of ink-jet printed technique of swimming suit fabric
CN109371659A (en) * 2018-08-28 2019-02-22 苏州印丝特纺织数码科技有限公司 A kind of preparation method of the thick and heavy type silk fabric based on digit printing
CN110438822A (en) * 2019-08-07 2019-11-12 常熟市福亿印花炼染有限公司 Steam-cleaning free printing process for disperse dye
CN110438822B (en) * 2019-08-07 2021-08-31 常熟市福亿印花炼染有限公司 Steaming-washing-free printing process for disperse dye
CN111676713A (en) * 2020-07-27 2020-09-18 湖州市千金金耀制丝有限公司 Digital printing process of high-color-fastness silk fabric

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Application publication date: 20110525