CN115404704A - Ink-dispersed digital direct-injection printing primer paste and preparation method and application thereof - Google Patents
Ink-dispersed digital direct-injection printing primer paste and preparation method and application thereof Download PDFInfo
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- CN115404704A CN115404704A CN202211126339.7A CN202211126339A CN115404704A CN 115404704 A CN115404704 A CN 115404704A CN 202211126339 A CN202211126339 A CN 202211126339A CN 115404704 A CN115404704 A CN 115404704A
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- 238000002347 injection Methods 0.000 title claims abstract description 53
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- PKBWOCHWPFCSLN-UHFFFAOYSA-M prop-2-enamide;trimethyl(2-prop-2-enoyloxyethyl)azanium;chloride Chemical compound [Cl-].NC(=O)C=C.C[N+](C)(C)CCOC(=O)C=C PKBWOCHWPFCSLN-UHFFFAOYSA-M 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
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- 238000010186 staining Methods 0.000 abstract description 7
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- 238000010023 transfer printing Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
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- 239000000243 solution Substances 0.000 description 2
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Images
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/16—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dispersed, e.g. acetate, dyestuffs
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- D06P1/525—Polymers of unsaturated carboxylic acids or functional derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/34—Material containing ester groups
- D06P3/52—Polyesters
- D06P3/54—Polyesters using dispersed dyestuffs
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/10—After-treatment with compounds containing metal
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/30—Ink jet printing
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coloring (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention discloses a digital direct injection printing primer paste with dispersed ink and a preparation method and application thereof. A dispersed ink digital direct injection printing primer contains a hydrolyzable cationic resin. The invention provides a novel ink-dispersed digital direct-injection printing primer slurry, which contains hydrolyzable cationic resin, and the cationic polymer-dispersed ink-dispersed digital direct-injection printing primer slurry has the advantages of extremely high definition, extremely high color vividness, low primer slurry viscosity, easiness in sizing and the like. The novel ink-dispersing digital direct-injection printing primer paste solves the problem that the printing definition of the existing anionic/nonionic primer paste is not high, and also solves the staining phenomenon existing in the incomplete washing of the cationic primer paste.
Description
Technical Field
The invention belongs to the technical field of textile and clothing printing, and particularly relates to ink-dispersed digital direct-injection printing primer slurry and a preparation method and application thereof.
Background
Compared with the traditional screen printing, the digital printing has the advantages of no need of plate making, quick proofing, wide adaptability of pattern types, small staple amount, high color fixation rate, less wastewater and the like. With the environmental protection importance of the textile industry and the more and more strong personalized demands of consumers on the styles of clothes, the digital printing process with extremely low subscription amount and small single production capacity is gradually favored by fabric factories.
The disperse dye is a slightly water-soluble dye molecule, has the characteristics of low molecular weight and strong hydrophobicity, and is mainly used for coloring polyester fibers. The digital printing process of the disperse dye is mainly divided into two processes, one process is thermal transfer printing, the disperse ink is firstly printed on thermal transfer paper by a digital printer, and then the sublimation property of the disperse dye is utilized to transfer the disperse dye from the thermal transfer paper to the fabric at high temperature. The dye used in the thermal transfer printing process has high sublimation property, so that the sublimation fastness of the printed cloth sample is poor, and the hand feeling of the cloth sample is poor due to the fact that the fabric is subjected to hot pressing at high temperature. The other technology is digital direct injection of dispersed ink, the technology is to directly print the ink on the fabric, and the printed fabric is obtained through steaming and color development, and the technology directly prints the ink on the fabric, so the permeability of the ink, the hand feeling of the fabric and the fastness are far superior to those of the heat transfer printed fabric. Due to the advantages, the digital direct injection technology of the dispersed ink is more and more emphasized.
The capillary tubes are arranged among the yarns of the polyester fabric, and dispersed ink can be diffused along the capillary tubes after being directly printed on the fabric, so that the printed patterns are not clear, and the product quality is influenced. Therefore, the fabric usually needs to be pre-sized before printing. The existing pretreatment bottom pulp for dispersing ink is usually compounded by thickeners such as cellulose or modified cellulose, guar gum, starch and the like, for example, the patent CN111472184A discloses a pretreatment bottom pulp for dispersing ink compounded by hydroxyethyl fiber and locust bean gum, and the patent CN108049176A discloses pretreatment bottom pulp for dispersing ink compounded by carboxymethyl cellulose and silicon dioxide, the bottom pulp fixes ink drops through the cohesive action of hydrophilic macromolecules in the bottom pulp on water to realize the purpose of preventing the dispersed ink from permeating, but the bottom pulp generally has the defects of difficult compounding, high viscosity of the bottom pulp, unsatisfactory seepage prevention effect and the like. Patent CN108193524A discloses that cationic polyacrylate, nonionic polyacrylate, cationic waterborne polyurethane and nonionic waterborne polyurethane are adopted as textile pretreatment liquid, although the printing definition is good, strong cationic residues on the cloth surface can cause clothes to be very easily stained in the washing process, the contrast is affected, and meanwhile, the introduction of the cationic resin can also seriously reduce the hand feeling of the cloth.
Therefore, a primer paste for digital direct injection printing with ink dispersion having more excellent performance is urgently needed in the industry.
Disclosure of Invention
In order to overcome the problems of low printing definition and staining of the conventional ink-dispersed digital direct injection printing primer, the invention aims to provide the ink-dispersed digital direct injection printing primer, aims to provide a preparation method of the ink-dispersed digital direct injection printing primer, and aims to provide application of the ink-dispersed digital direct injection printing primer.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
in a first aspect, the present invention provides a dispersed ink digital direct injection printing primer paste comprising a hydrolyzable cationic resin.
The dye particles in the dispersed direct ink jet ink are anionic, and after the anionic dye particles are sprayed and printed on the fabric, the anionic dye particles can be quickly flocculated and precipitated when encountering a cationic high molecular polymer, lose the degree of freedom and cannot be diffused along with the diffusion of a solvent, so that the digital direct jet printing primer paste adopting the novel dispersed ink has the advantage of extremely high pattern definition; during the evaporation color development process, the disperse dye is dissolved and permeated into the fiber in a hot melting mode, and the disperse dye is electrically neutral and has no obvious interaction with the cationic polymer, so that the cationic polymer has no negative influence on the color development of the disperse dye; in order to improve the color fastness, a reduction cleaning step is usually required to be added after the color development is finished to remove the floating color, but the hydrolyzable cationic resin in the invention patent can be subjected to hydrolysis reaction under alkaline conditions, and the cationic group can be subjected to removal reaction, so that the cationic resin can not remain on the finished fabric, and no staining condition exists. The digital direct-injection printing primer paste with the dispersed ink provided by the invention has a very good application effect.
Preferably, the dispersed ink digital direct injection printing primer is an aqueous solution of a hydrolysable cationic resin.
Preferably, in the dispersed ink digital direct injection printing primer, the hydrolysable cationic resin comprises at least one of cationic polyacrylamide, polyacryloxyethyltrimethylammonium chloride, acryloyloxyethyltrimethylammonium chloride-acrylamide copolymer, and N, N-dimethyldiallylammonium chloride-acrylamide copolymer.
Further preferably, the cationic degree of substitution of the cationic polyacrylamide is 15-60%; still more preferably, the cationic degree of substitution of the cationic polyacrylamide is 20 to 60%.
Preferably, in the dispersed ink digital direct injection printing base slurry, the mass concentration of the hydrolysable cationic resin is 0.05-10%; further preferably, the mass concentration of the hydrolyzable cationic resin is 0.15 to 8%; still further preferably, the mass concentration of the hydrolyzable cationic resin is 0.1 to 5%; still more preferably, the hydrolyzable cationic resin has a mass concentration of 0.1 to 3%.
The second aspect of the present invention provides a preparation method of the above-mentioned ink-dispersed digital direct injection printing primer paste, including the following steps: and dissolving the hydrolyzable cationic resin in water to obtain the dispersed ink digital direct injection printing primer slurry.
The third aspect of the invention provides an application of the dispersed ink digital direct injection printing base slurry in fabric digital printing.
Preferably, in this application, the fabric is polyester.
The fourth aspect of the invention provides a digital printing method, which comprises the following steps: dipping and binding the fabric by adopting the dispersed ink digital direct-injection printing base paste; the treated fabric was patterned with dispersed direct ink jet.
Preferably, in the digital printing method, the mass ratio of the fabric to the ink-dispersed digital direct injection printing primer is 1: (5-15); further preferably, the mass ratio of the fabric to the dispersed ink digital direct injection printing base slurry is 1: (8-12).
Preferably, in the digital printing method, the padding treatment is one-padding-one-rolling, and the liquid carrying rate is 50-70%.
Preferably, in the digital printing method, the immersion treatment and the drying treatment are carried out, and the temperature of the drying treatment is 900-110 ℃.
The invention has the beneficial effects that:
the invention provides a novel ink-dispersed digital direct-injection printing primer slurry, which contains hydrolyzable cationic resin, and the ink-dispersed digital direct-injection printing primer slurry adopting the cationic polymer has the advantages of extremely high definition, extremely high color brightness, low primer slurry viscosity, easiness in sizing and the like. Meanwhile, cationic groups in the molecular structure of the primer slurry are connected with a high-molecular main chain through amide groups, ester groups and the like, and hydrolysis reaction can be carried out in the subsequent reduction cleaning process to remove the cationic groups, so that no cationic property exists on finished cloth, no staining phenomenon exists in the washing process, and the white background and the contrast of the fabric are greatly kept. The novel digital direct-injection printing base paste with dispersed ink solves the problem of low printing definition of the existing anionic/nonionic base paste, and also solves the staining phenomenon which cannot be completely removed by washing the cationic base paste.
Drawings
FIG. 1 is a graph comparing the dyeing of polyester fabrics of example 1 and comparative document 2.
Detailed Description
In order to make the objects, technical solutions and technical effects of the present invention more clear, the present invention will be described in further detail with reference to specific embodiments. It is noted that the processes described below, if not specifically detailed, are all those that can be realized or understood by those skilled in the art with reference to the prior art. The reagents or apparatus used are not indicated to the manufacturer, and are considered to be conventional products available through commercial purchase.
Example 1
0.1g of cationic polyacrylamide (with a molecular weight of 1200 ten thousand and a cationic substitution degree of 20%) is weighed and dissolved in 99.9g of water to prepare the dispersive direct-injection digital primer slurry. 10g of terylene cloth is taken, soaked and rolled (the liquid carrying rate is 60 percent) and dried at 100 ℃ to prepare the pretreated base fabric. And (3) placing the pretreated base fabric on a desktop printer, printing a pattern by using dispersed direct injection ink, drying at 100 ℃, and carrying out color development for 3 minutes at a high temperature of 220 ℃. Washed with cold water for 1 time. 2g/L sodium hydrosulfite and 1g/L sodium hydroxide are adopted for reduction and cleaning for 1 time, and cold water cleaning for 1 time. And (5) drying.
Example 2
0.2g of cationic polyacrylamide (with a molecular weight of 1200 ten thousand and a cationic substitution degree of 60%) is weighed and dissolved in 99.8g of water to prepare the dispersive direct-injection digital primer slurry. 10g of terylene cloth is taken, soaked and rolled (the liquid carrying rate is 60 percent) and dried at 100 ℃ to prepare the pretreated base fabric. And (3) placing the pretreated base fabric on a desktop printer, printing a pattern by using dispersed direct injection ink, drying at 100 ℃, and developing color at the high temperature of 220 ℃ for 3 minutes. Washing with cold water for 1 time. 2g/L sodium hydrosulfite and 1g/L sodium hydroxide are adopted for reduction and cleaning for 1 time, and cold water cleaning for 1 time. And (5) drying.
Example 3
0.15g of N, N-dimethyldiallylammonium chloride-acrylamide copolymer (cationic substitution degree: 40%) was weighed and dissolved in 99.85g of water to prepare a dispersed direct-injection digital primer slurry. Taking 10g of terylene cloth, soaking and rolling the terylene cloth (with liquid rate of 60 percent), and drying the terylene cloth at 100 ℃ to prepare the pretreated base cloth. And (3) placing the pretreated base fabric on a desktop printer, printing a pattern by using dispersed direct injection ink, drying at 100 ℃, and carrying out steaming and color development for 10 minutes in a steamer at 180 ℃. Washing with cold water for 1 time. 2g/L sodium hydrosulfite and 1g/L sodium hydroxide are adopted for reduction and cleaning for 1 time, and cold water is adopted for cleaning for 1 time. And (5) drying.
Example 4
1g of polyacrylic acyl oxyethyl trimethyl ammonium chloride is weighed and dissolved in 99g of water to prepare the dispersive direct-injection digital primer slurry. Taking 10g of terylene cloth, soaking and rolling the terylene cloth (with liquid rate of 60 percent), and drying the terylene cloth at 100 ℃ to prepare the pretreated base cloth. And (3) placing the pretreated base fabric on a desktop printer, printing a pattern by using dispersed direct injection ink, drying at 100 ℃, and carrying out steaming and color development for 10 minutes in a steamer at 180 ℃. Washed 1 time with cold water. Washed with cold water for 1 time. 2g/L sodium hydrosulfite and 1g/L sodium hydroxide are adopted for reduction and cleaning for 1 time, and cold water cleaning for 1 time. And (5) drying.
Example 5
2g of acryloyloxyethyl trimethyl ammonium chloride-acrylamide copolymer is weighed and dissolved in 98g of water to prepare the dispersive direct-injection digital primer slurry. 10g of terylene cloth is taken, soaked and rolled (the liquid carrying rate is 60 percent) and dried at 100 ℃ to prepare the pretreated base fabric. The pretreated base fabric is placed on a desktop printer, patterns are printed by dispersed direct injection ink, and the base fabric is dried at 100 ℃ and washed by cold water for 1 time. 2g/L sodium hydrosulfite and 1g/L sodium hydroxide are adopted for reduction and cleaning for 1 time, and cold water cleaning for 1 time. And (5) drying.
Comparative example 1
5g of commercially available dispersed digital primer slurry 1 (the components are 10wt% of sodium polyacrylate and 90wt% of anhydrous sodium sulphate) is weighed and dissolved in 95g of water to prepare dispersed direct-injection digital primer slurry. 10g of terylene cloth is taken, soaked and rolled (the liquid carrying rate is 60 percent) and dried at 100 ℃ to prepare the pretreated base fabric. And (3) placing the pretreated base fabric on a desktop printer, printing a pattern by using dispersed direct injection ink, drying at 100 ℃, steaming in a steamer at 180 ℃ for 10 minutes to develop color, and washing for 1 time by cold water. 2g/L sodium hydrosulfite and 1g/L sodium hydroxide are adopted for reduction and cleaning for 1 time, and cold water cleaning for 1 time. And (5) drying.
Comparative example 2
5g of commercially available dispersive digital primer slurry 2 (the component is N, N-dimethyl diallyl ammonium chloride copolymer, the content is 40 wt%) is weighed and dissolved in 95g of water to prepare dispersive direct-injection digital primer slurry. Taking 10g of terylene cloth, soaking and rolling the terylene cloth (with liquid rate of 60 percent), and drying the terylene cloth at 100 ℃ to prepare the pretreated base cloth. And (3) placing the pretreated base fabric on a desktop printer, printing a pattern by using dispersed direct injection ink, drying at 100 ℃, steaming at 180 ℃ for 10 minutes to develop color, washing for 1 time by cold water, reducing and cleaning for 1 time by adopting 2g/L sodium hydrosulfite and 1g/L sodium hydroxide, and washing for 1 time by cold water. And (5) drying.
The cloth samples of examples 1-5 and comparative examples 1-2 were tested for color fastness and wash fastness, and the crockfastness rating was according to ISO105-X12:2016, part X12 of the textile color fastness test: testing white fabrics specified in the Standard of color fastness to rubbing; the grade of the fastness to washing is in accordance with the national standard of the fastness to water of the GB/T5713-2013 textile color fastness test. Table 1 shows the results of the color fastness and wash resistance tests of the blended fabric after thermal transfer printing. Higher values in table 1 indicate better colorfastness of the blended fabric after heat transfer.
TABLE 1 test results
Fig. 1 shows a picture of a terylene fabric soaked in a red reactive dye solution, washed and dried in water, in the case of different primer treatments of example 1 and comparative document 2. The reactive dye is reactive red 3BS with the concentration of 10g/L, is soaked for 20min at room temperature, is washed for 5s by tap water after being soaked, and is dried and photographed. FIG. 1 (a) is a blank Dacron fabric, FIG. b is a Dacron fabric treated with the treating fluid of example 1, and FIG. c is a Dacron fabric treated with the treating fluid of comparative example 2.
As can be seen from Table 1 and FIG. 1, the cloth samples using the high temperature dispersion direct injection primer pastes of examples 1-5 have very high definition and fastness, and the produced prints do not stain reactive dyes. In the comparative example 1, hydrophilic high molecular compounds such as sodium polyacrylate and the like are used as the bottom slurry, so that the definition is poor; comparative example 2 using a non-hydrolyzable cationic resin as a primer paste, although it has extremely high definition, the printed white base has poor staining of reactive dyes due to a large amount of cationic resin remaining on the cloth, which causes staining of consumers in home washing, affecting the print quality.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such modifications are intended to be included in the scope of the present invention.
Claims (10)
1. The digital direct-injection printing primer paste with the dispersed ink is characterized by comprising hydrolyzable cationic resin.
2. The digital direct jet printing primer of claim 1, wherein the hydrolysable cationic resin comprises at least one of cationic polyacrylamide, polyacryloxyethyltrimethylammonium chloride, acryloxyethyltrimethylammonium chloride-acrylamide copolymer, N-dimethyldiallylammonium chloride-acrylamide copolymer.
3. The digital direct injection print primer paste of claim 2, wherein said cationic polyacrylamide has a cationic degree of substitution of 15-60%.
4. The digital direct injection printing primer paste with dispersed ink according to claim 1, wherein the mass concentration of the hydrolyzable cationic resin is 0.05-10%.
5. The digital direct injection printing primer paste with dispersed ink according to claim 4, wherein the mass concentration of the hydrolyzable cationic resin is 0.15-8%.
6. The method of preparing the digital direct injection printing primer paste of dispersed ink according to any one of claims 1 to 5, comprising the steps of: and dissolving the hydrolyzable cationic resin in water to obtain the dispersed ink digital direct injection printing primer slurry.
7. Use of the dispersed ink digital direct injection printing primer according to any of claims 1 to 5 in digital printing of textiles.
8. Use according to claim 7, characterized in that the fabric is dacron.
9. A digital printing method, comprising the steps of: dipping the fabric with the ink-dispersed digital direct-injection printing primer paste according to any one of claims 1 to 5; the treated fabric was patterned with dispersed direct ink jet.
10. The digital printing method according to claim 9, wherein the mass ratio of the fabric to the dispersed-ink digital direct-injection printing base paste is 1: (5-15).
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