CN109594337B - Fabric modification working solution, modification method, ink-jet printing fabric and method thereof - Google Patents
Fabric modification working solution, modification method, ink-jet printing fabric and method thereof Download PDFInfo
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- CN109594337B CN109594337B CN201811534457.5A CN201811534457A CN109594337B CN 109594337 B CN109594337 B CN 109594337B CN 201811534457 A CN201811534457 A CN 201811534457A CN 109594337 B CN109594337 B CN 109594337B
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- 239000004744 fabric Substances 0.000 title claims abstract description 190
- 239000012224 working solution Substances 0.000 title claims abstract description 70
- 238000007641 inkjet printing Methods 0.000 title claims abstract description 62
- 230000004048 modification Effects 0.000 title claims abstract description 32
- 238000012986 modification Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000002715 modification method Methods 0.000 title claims abstract description 10
- 239000001768 carboxy methyl cellulose Substances 0.000 claims abstract description 43
- 239000004094 surface-active agent Substances 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims abstract description 31
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims abstract description 31
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims abstract description 31
- 229920000433 Lyocell Polymers 0.000 claims abstract description 25
- 238000005406 washing Methods 0.000 claims abstract description 23
- 238000001035 drying Methods 0.000 claims abstract description 21
- 239000002562 thickening agent Substances 0.000 claims abstract description 21
- SYELZBGXAIXKHU-UHFFFAOYSA-N dodecyldimethylamine N-oxide Chemical group CCCCCCCCCCCC[N+](C)(C)[O-] SYELZBGXAIXKHU-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000985 reactive dye Substances 0.000 claims abstract description 15
- 238000010025 steaming Methods 0.000 claims abstract description 14
- 150000003839 salts Chemical class 0.000 claims abstract description 11
- 239000002250 absorbent Substances 0.000 claims abstract description 10
- 230000002745 absorbent Effects 0.000 claims abstract description 10
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 8
- 235000019387 fatty acid methyl ester Nutrition 0.000 claims abstract description 7
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 6
- 235000010443 alginic acid Nutrition 0.000 claims abstract description 5
- 229920000615 alginic acid Polymers 0.000 claims abstract description 5
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical group O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229940072056 alginate Drugs 0.000 claims abstract description 4
- 239000000975 dye Substances 0.000 claims description 23
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 7
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 7
- 239000004202 carbamide Substances 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 4
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 28
- 229920003043 Cellulose fiber Polymers 0.000 abstract description 18
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 34
- 239000000661 sodium alginate Substances 0.000 description 34
- 235000010413 sodium alginate Nutrition 0.000 description 34
- 229940005550 sodium alginate Drugs 0.000 description 34
- 238000007639 printing Methods 0.000 description 19
- 238000012360 testing method Methods 0.000 description 13
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 12
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 12
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 12
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 11
- 238000003756 stirring Methods 0.000 description 11
- DDXLVDQZPFLQMZ-UHFFFAOYSA-M dodecyl(trimethyl)azanium;chloride Chemical compound [Cl-].CCCCCCCCCCCC[N+](C)(C)C DDXLVDQZPFLQMZ-UHFFFAOYSA-M 0.000 description 9
- 239000000243 solution Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 239000000835 fiber Substances 0.000 description 7
- 230000035699 permeability Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000012153 distilled water Substances 0.000 description 6
- 239000003086 colorant Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000008149 soap solution Substances 0.000 description 5
- 239000004753 textile Substances 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 4
- 238000004043 dyeing Methods 0.000 description 4
- 239000002736 nonionic surfactant Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000010186 staining Methods 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000002280 amphoteric surfactant Substances 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 229920001400 block copolymer Polymers 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000009990 desizing Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 239000004627 regenerated cellulose Substances 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 238000009999 singeing Methods 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- AEMOLEFTQBMNLQ-SYJWYVCOSA-N (2s,3s,4s,5s,6r)-3,4,5,6-tetrahydroxyoxane-2-carboxylic acid Chemical compound O[C@@H]1O[C@H](C(O)=O)[C@@H](O)[C@H](O)[C@@H]1O AEMOLEFTQBMNLQ-SYJWYVCOSA-N 0.000 description 1
- ORLGPUVJERIKLW-UHFFFAOYSA-N 5-chlorotriazine Chemical compound ClC1=CN=NN=C1 ORLGPUVJERIKLW-UHFFFAOYSA-N 0.000 description 1
- 241001474374 Blennius Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- LFTLOKWAGJYHHR-UHFFFAOYSA-N N-methylmorpholine N-oxide Chemical compound CN1(=O)CCOCC1 LFTLOKWAGJYHHR-UHFFFAOYSA-N 0.000 description 1
- 241000199919 Phaeophyceae Species 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229960001126 alginic acid Drugs 0.000 description 1
- 239000000783 alginic acid Substances 0.000 description 1
- 150000004781 alginic acids Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010036 direct spinning Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 125000001165 hydrophobic group Chemical group 0.000 description 1
- 239000003230 hygroscopic agent Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- CXHHBNMLPJOKQD-UHFFFAOYSA-N methyl hydrogen carbonate Chemical compound COC(O)=O CXHHBNMLPJOKQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- LJRGBERXYNQPJI-UHFFFAOYSA-M sodium;3-nitrobenzenesulfonate Chemical compound [Na+].[O-][N+](=O)C1=CC=CC(S([O-])(=O)=O)=C1 LJRGBERXYNQPJI-UHFFFAOYSA-M 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/13—Alginic acid or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/76—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon oxides or carbonates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/388—Amine oxides
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/402—Amides imides, sulfamic acids
- D06M13/432—Urea, thiourea or derivatives thereof, e.g. biurets; Urea-inclusion compounds; Dicyanamides; Carbodiimides; Guanidines, e.g. dicyandiamides
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/05—Cellulose or derivatives thereof
- D06M15/09—Cellulose ethers
-
- 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
- D06P1/38—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 reactive dyes
-
- 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
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
- D06P3/66—Natural or regenerated cellulose using reactive dyes
-
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Abstract
The invention provides a fabric modification working solution, a modification method, an ink-jet printing fabric and a method thereof, wherein the modification working solution comprises the following components: 1.5 to 2.5 percent of thickening agent; 1.5 to 3 percent of alkaline auxiliary agent; 8% -10% of moisture absorbent; 0-1% of an anti-reducing agent; 0.8 to 1.5 percent of surfactant; the balance of water; the thickening agent is alginate and/or carboxymethyl cellulose salt; the surfactant is dodecyl dimethyl amine oxide and/or fatty acid methyl ester ethoxylate. The method for ink-jet printing comprises the following steps: padding the modified working solution on a cellulose fiber fabric, and drying to obtain a treated fabric; and (3) carrying out ink-jet printing on the treated fabric by using reactive dye ink, drying, steaming, and washing to obtain the ink-jet printed fabric. The fabric modification working solution can improve the ink-jet printing pattern effect of cellulose fiber fabrics such as tencel and the like and improve the apparent color depth of printed fabrics.
Description
Technical Field
The invention belongs to the technical field of fabric printing, and particularly relates to a fabric modification working solution, a modification method, an ink-jet printing fabric and a method thereof.
Background
Tencel (Tencel) is a solvent-based regenerated cellulose fiber, is a trademark name of LYOCELL fiber produced by Acocdis corporation of UK, and is registered in China as "Tencel"; the preparation process comprises the following steps: the wood is made into wood pulp, and the wood pulp is dissolved in an amine oxide solvent for direct spinning by adopting a (NMMO) spinning process to obtain the wood-based composite material. The tencel has higher strength and good hygroscopicity, soft hand feeling and good comfort, is known as green fiber in the 21 st century, and has good application prospect in the field of textiles.
For printed fabrics, digital ink-jet printing of textiles is a brand new printing mode, which is called ink-jet printing or digital printing for short. The ink-jet printing is to directly spray print on the fabric, so that the printing precision is improved, and small-batch, multi-variety and multi-color printing and the like are realized. In the ink-jet printing process, ink drops are ejected by the extrusion force of an ink-jet device to collide with the surface of the fabric, and are deposited on the fabric to form patterns of various colors. The surface structure and properties of the fabric are important factors influencing the color effect of the ink-jet printing. For example, the tencel fiber has a very thin skin structure, close to a full core structure, and water molecules can be rapidly absorbed by the pores between the nanofibrils. When the tencel fabric is applied to ink-jet printing, ink drops sprayed on the fabric surface can cause severe bleeding, and the definition of printing outlines is influenced. Therefore, before ink-jet printing, fabrics such as tencel and the like need to be subjected to surface modification, and the surface structure of fibers is changed, so that the distribution of ink drops on the surfaces of the fabrics is controlled, and a good ink-jet printing effect is obtained.
At present, most of pastes used for ink-jet printing of cellulose fiber fabrics are mostly used by sodium alginate, and sodium carboxymethyl cellulose is also used more frequently. By using a paste such as sodium carboxymethyl cellulose or sodium alginate to carry out surface modification treatment on the fabric, pattern bleeding of the ink-jet printing fabric can be prevented. However, the apparent color depth and the ink-jet printing pattern effect of the existing ink-jet printing fabric modified by using sodium alginate or sodium carboxymethyl cellulose as a thickening agent still need to be further improved.
Disclosure of Invention
In view of the above, the present application provides a fabric modification working solution, a modification method, an inkjet printed fabric and a method thereof, and the fabric modification working solution provided by the present invention can improve the inkjet printing pattern effect of a cellulose fiber fabric and improve the apparent color depth of the printed fabric.
The invention provides a fabric modification working solution which comprises the following components in percentage by mass:
1.5 to 2.5 percent of thickening agent;
1.5 to 3 percent of alkaline auxiliary agent;
8% -10% of moisture absorbent;
0-1% of an anti-reducing agent;
0.8 to 1.5 percent of surfactant;
the balance of water;
the thickening agent is one or more of alginate and carboxymethyl cellulose salt; the surfactant is one or more of dodecyl dimethyl amine oxide and fatty acid methyl ester ethoxylate.
When the modified working solution provided by the invention is used for treating cellulose fiber fabrics such as tencel and the like, an inkjet printing pattern with good effect can be obtained subsequently, and the following expression is that: the color, luster and vividness are increased, the apparent color depth K/S value of the printed fabric is increased, the anti-seepage effect is better, and the like.
The fabric modification working solution provided by the embodiment of the invention is mainly a thickening agent (namely paste) in a certain proportion, and is compounded with a surfactant. According to the mass percentage, the fabric modification working solution comprises 1.5-2.5% of thickening agent; the thickening agent is one or more of alginate and carboxymethyl cellulose salt, such as sodium alginate, sodium carboxymethyl cellulose, etc.
In some embodiments of the invention, the thickening agent is sodium alginate. Sodium alginate (SA for short in English) mainly comprises sodium alginate, which is generally prepared by soaking seaweed (mainly brown algae); alginic acid is a random linear block copolymer with high anionic charge density formed by 1,4 bonding of beta-D-mannuronic acid (M) and a-L-gulonic acid (G), and the sodium salt of the block copolymer has good effect when being used for reactive dye printing paste. In addition, the sodium alginate paste preparation is simple and convenient to operate and strong in paste forming capability. The source of the sodium alginate in the invention is not particularly limited, for example, the viscosity value of the traditional modified working solution of 2% sodium alginate is 1800-2700 mPa.s (20 ℃).
In other embodiments of the present invention, the thickener is sodium carboxymethylcellulose (CMC). The sodium carboxymethyl cellulose is sodium salt of cellulose carboxymethyl ether, has hygroscopicity, is insoluble in organic solvent, and has high paste forming rate; the invention can adopt sodium carboxymethyl cellulose with the degree of substitution of 0.6-0.8, preferably 0.7. The source of the sodium carboxymethylcellulose is not particularly limited in the invention, and a commercially available product can be adopted, for example, the viscosity value of the traditional modified working solution of 2% sodium carboxymethylcellulose is 200-500 mPa.s (20 ℃).
In the embodiment of the invention, a proper amount of surfactant is further added on the basis of the traditional sodium alginate and/or sodium carboxymethylcellulose, namely the modified working solution comprises 0.8-1.5% of surfactant, preferably 0.9-1.2%, and more preferably 1%. The surfactant is one or more of dodecyl dimethyl amine oxide and fatty acid methyl ester ethoxylate, preferably dodecyl dimethyl amine oxide, and can improve the ink-jet printing effect of cellulose fibers such as tencel and the like. However, when the surfactant content exceeds 1.5%, the apparent color depth K/S value of the printed fabric is lowered.
In some embodiments of the invention, the surfactant is dodecyl dimethyl amine oxide (abbreviated as OB-2), which is an amphoteric surfactant having a structure with a hydrophilic group at one end and an amine oxide (N-O) polar chain at the other end and a hydrophobic group at the other end; OB-2 appears to be nonionic when the modified working fluid is neutral or basic. The N-O bond in the OB-2 can enhance the absorption of the surface of the fiber to water molecules in the subsequent steaming process and promote the covalent bonding of the dye and the fiber, thereby improving the utilization rate of dye molecules, increasing the apparent color depth of a printed pattern and controlling the anti-seepage effect of the dye.
In other embodiments of the present invention, the surfactant is a fatty acid methyl ester ethoxylate (abbreviated FMEE), which is a nonionic surfactant having an ether group (C-O-C) in the structure. The embodiment of the invention generally adopts FMEE with the carbon chain length of 12-14; compared with the traditional paste, the modified working solution added with FMEE can improve the ink-jet printing effect of cellulose fiber fabrics such as tencel and the like, but the comprehensive performance of the modified working solution is not as good as that of the modified working solution compounded by dodecyl dimethyl amine oxide.
The modified working solution comprises 8-10% of moisture absorbent by mass percentage. The hygroscopic agent is typically urea (CH) 4N2O), which is a good moisture absorbent and also a good solvent for reactive dyes, can improve the fixation rate of the dyes.
In the invention, the modified working solution comprises 1.5-3% of alkaline auxiliary agent by mass, and the pH value of the modified working solution can be 8-12, preferably 11.0-11.5, so that the subsequent reactive dye ink-jet printing process can be facilitated. The alkaline auxiliary agent can be sodium carbonate (Na)2CO3) And sodium bicarbonate (NaHCO)3) Preferably sodium carbonate. The fabric modification working solution also comprises 0-1% of anti-reducing agent, and preferably adopts anti-dyeing salt S (C)6H4NNaO5S, sodium m-nitrobenzenesulfonate), which belongs to a weak oxidant, is beneficial to obtaining bright color light by the subsequent reactive dye ink-jet printing.
In the invention, the balance of the fabric modification working solution is water. The invention can adopt deionized water or distilled water, and can also adopt conventional water softeners and the like. In some embodiments of the invention, the viscosity of the modified working solution using 2% sodium alginate as the thickener is 2500-2700 mPas, and the viscosity of the modified working solution using sodium carboxymethylcellulose is 300-500 mPas; the test temperature was room temperature.
In a specific embodiment of the invention, the modified working solution is prepared according to the following steps: providing a raw thickener paste; and dissolving the moisture absorbent, the alkaline assistant and the anti-reducing agent in water according to the mass percentage, adding the surfactant to fully dissolve the moisture absorbent, the alkaline assistant and the anti-reducing agent, standing for 6-10 hours, and adding the thickener raw paste to obtain the modified working solution.
According to some embodiments of the invention, 5 wt% of sodium alginate or CMC raw paste (obtained by mixing a thickening agent with water) is prepared, the pH value of the sodium alginate or CMC raw paste is 6.8-8.6, and the sodium alginate or CMC raw paste is kept overnight, so that subsequent modification is complete and uniform more easily. According to the mass ratio, the embodiment of the invention firstly quickly dissolves the moisture absorbent, the alkaline assistant and the dye-resistant salt S in a certain amount of water under the action of ultrasonic waves, then adds the surfactant, preferably uniformly stirs, and then adds the prepared thickener raw paste under the stirring condition to obtain the fabric modification working solution.
The modification working solution containing the surfactants such as dodecyl dimethyl amine oxide and the like, which is obtained by the embodiment of the invention, can improve the apparent color yield of the inkjet printing of the modified cellulose fiber fabric and the inkjet printing effect under the combined action of the components, and is especially obvious for tencel fabric.
The embodiment of the invention provides a method for modifying a fabric, which comprises the following steps:
padding the modified working solution on a cellulose fiber fabric, and drying to obtain a treated fabric; the modified working solution is the fabric modified working solution.
In the embodiment of the invention, the fabric modification working solution is adopted to carry out surface modification treatment on the cellulose fiber fabric. The components of the modified working solution and the preparation thereof are as described above, and are not described in detail herein.
The modified cellulose fiber fabric provided by the embodiment of the invention can be natural cellulose fiber fabric such as cotton, regenerated cellulose fiber fabric such as viscose fiber, tencel and modal, or blended fabric. Preferably, the fabric is made of one or more of tencel and cotton, and the surface of the tencel fabric is further preferably modified. The specification, source and the like of the cellulose fiber fabric are not particularly limited, and corresponding commercial products can be adopted.
The specific embodiment of the invention aims at the inkjet printing surface treatment of the tencel fabric, and the indexes of the fabric before treatment are not particularly limited, and the fabric to be treated in the field can be used. For example, woven fabrics are generally used, and the weave structure of the fabric may be plain, twill, satin, or the like; the pretreatment process flow comprises the conventional treatment procedures of singeing, desizing, scouring, bleaching and the like for the cellulose fiber fabric.
Embodiments of the present invention may use a horizontal padder to pad the modified working solution onto a cellulosic fiber, such as a tencel fabric. Wherein the liquid carrying rate of the fabric after padding is preferably 70-85%, and more preferably 79-81%; the liquid carrying rate is also called as the rolling residual rate and represents the liquid carrying amount of the fabric after padding, namely the amount of the modified working solution applied to the fabric. According to the embodiment of the invention, the fabric padded with the modified working solution is dried, preferably, the fabric is dried at 70-80 ℃ for 5-10 minutes, so that the fabric treated by the modified working solution is obtained.
The embodiment of the invention provides an ink-jet printing method, which comprises the following steps:
padding the modified working solution on a cellulose fiber fabric, and drying to obtain a treated fabric; the modified working solution is the fabric modified working solution;
and carrying out ink-jet printing on the treated fabric by using reactive dye ink, drying, steaming by using saturated steam, and washing to obtain the ink-jet printed fabric.
The steps for modifying and treating the cellulose fabric by using the fabric modification working solution are as described above, and are not repeated herein. The embodiment of the invention mainly applies the reactive dye ink to carry out ink-jet printing; the pH value of the modified working solution is generally 8-12, preferably 11.0-11.5, and a covalent bonding environment is conveniently provided for the reactive dye molecules and the cellulose fibers.
The invention has no special limitation on the color and the structural composition of the reactive dye ink used for the ink-jet printing, and can adopt the conventional commercially available reactive dye ink. Wherein, the color of the reactive dye ink comprises cyan, magenta, yellow, black, etc.; the dye structure can be monochlorotriazine type with single active group, and active dyes with other structures can also be adopted. The invention has no special limitation on the ink-jet printing process; according to the embodiment of the invention, an inkjet printing machine is adopted, the modified fabric is flatly laid on a printing machine guide belt, the fabric can be subjected to inkjet printing at room temperature (such as 20-30 ℃) according to 10-100% of inkjet quantity at the resolution of 600dpi × 600dpi, and 2pass, 4pass and 8pass can be adopted as printing modes.
In the embodiment of the invention, the fabric subjected to ink-jet printing can be dried in an oven at 70-80 ℃ and then steamed. The steaming is specifically as follows: and (3) treating the dried fabric in saturated steam at 100-102 ℃ for 5-10 minutes to fix the color of the printed fabric. The embodiment of the invention carries out water washing treatment on the steamed fabric, and sequentially comprises the following steps: washing, soaping, washing and drying. Specifically, the steamed fabric is washed for 1-2 min by cold water, washed for 1-2 min by warm water, washed for 5-10 min by 2g/L of standard soap solution at 70-80 ℃, washed by warm water to remove the dye attached to the surface of the fabric by the soap solution, and finally washed by cold water until no color exists in the water; and drying the washed fabric in an oven at the temperature of 70-80 ℃ to obtain the ink-jet printing fabric.
The embodiment of the invention provides an ink-jet printed fabric, which is obtained by sequentially carrying out ink-jet printing, drying, steaming and washing on the fabric obtained by the modification method; the ink-jet printing uses reactive dye ink.
The printed fabric obtained by the embodiment of the invention is subjected to K/S value test of apparent color depth, color fastness test and the like, and the results show that the ink-jet printed fabric has better color tone and vividness, higher apparent color depth value, smaller width of printed lines (namely better anti-seepage effect), reduced permeability of dye molecules on the fabric, slightly increased breaking strength, almost no change of color fastness index and better ink-jet printing pattern effect. Namely, the modified working solution added with the surfactants such as dodecyl dimethyl amine oxide and the like can improve the utilization rate of dye molecules, effectively improve the pattern effect of ink-jet printing and is beneficial to the improvement of the technical level of the ink-jet printing.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For further understanding of the present application, the fabric modification working solution, modification method and inkjet printed fabric and method thereof provided by the present application are specifically described below with reference to examples.
In the following examples, the sources of the main chemicals and materials involved are shown in table 1; the water used is conventional distilled water.
TABLE 1 major chemicals and materials
Wherein, when 5% sodium alginate or CMC raw paste is prepared, the pH value is 6.8-8.6.
Example 1
A 5% CMC base paste was prepared and left overnight. 10g of urea, 2g of sodium carbonate and 1g of dye-resistant salt S are quickly dissolved in 46g of distilled water under the action of ultrasonic waves, 1g of dodecyl dimethyl amine oxide is added, after uniform stirring, 40g of the CMC raw paste is added by using a stirrer RW20 at the rotating speed of 2000r/min while stirring, and the dodecyl dimethyl amine oxide and CMC modified working solution with the viscosity of 387 mPas is obtained.
Comparative example 1
A 5% CMC base paste was prepared and left overnight. And (2) rapidly dissolving 10g of urea, 2g of sodium carbonate and 1g of anti-staining salt S in quantitative distilled water under the action of ultrasonic waves, stirring the obtained solution by using a stirrer RW20 with the rotating speed of 2000r/min, and adding 40g of the CMC raw paste while stirring to obtain the CMC modified working solution.
Example 2
5% sodium alginate raw paste is prepared and left overnight. Firstly, rapidly dissolving 10g of urea, 2g of sodium carbonate and 1g of dye-resistant salt S in 46g of distilled water under the action of ultrasonic waves, then adding 1g of dodecyl dimethyl amine oxide, uniformly stirring, stirring the obtained solution by using a stirrer RW20 with the rotating speed of 2000r/min, and adding 40g of the sodium alginate raw paste while stirring to obtain the modified working solution of dodecyl dimethyl amine oxide and sodium alginate, wherein the viscosity is 2500 mPa.
Comparative example 2
5% sodium alginate raw paste is prepared and left overnight. Firstly, rapidly dissolving 10g of urea, 2g of sodium carbonate and 1g of dye-resistant salt S in quantitative distilled water under the action of ultrasonic waves, stirring the obtained solution by using a stirrer RW20 with the rotating speed of 2000r/min, and adding 40g of the sodium alginate raw paste while stirring to obtain the sodium alginate modified working solution.
Example 3
A modified working solution was prepared corresponding to example 1, except that 1% fatty acid methyl ester ethoxylate (FMEE) nonionic surfactant was used instead of 1% dodecyldimethylamine oxide.
Example 4
A modified working solution was prepared corresponding to example 2, except that 1% fatty acid methyl ester ethoxylate (FMEE) nonionic surfactant was used instead of 1% dodecyldimethylamine oxide.
Comparative examples 3 to 4
Modified working liquids were prepared in accordance with example 1, except that 1% Sodium Dodecyl Sulfate (SDS) and Dodecyl Trimethyl Ammonium Chloride (DTAC) were used instead of 1% dodecyl dimethyl amine oxide, respectively.
Comparative examples 5 to 6
A modified working solution was prepared in accordance with example 2, except that 1% Sodium Dodecyl Sulfate (SDS) and 1% dodecyltrimethylammonium chloride (DTAC) were used instead of 1% dodecyldimethylamine oxide, respectively.
Example 5
The modified working solutions prepared in examples 1 to 4 and comparative examples 1 to 6 were each padded on a tencel fabric using a horizontal padder P-B0 with a pressure of 0.1kg/cm on both sides of the roll2The rotating speed of the roller is 6r/min, and the liquid carrying rate of the fabric is (80 +/-1)%. And flatly drying the fabric padded with the modified working solution in an oven at 80 ℃ to respectively obtain the fabrics treated by different modified working solutions.
The experimental fabric is a pure tencel twill fabric (30s × 21s, 132 × 62), the pretreatment process flow includes singeing, desizing, scouring, bleaching and other processes, and each index is shown in table 2:
TABLE 2 indexes of pretreated tencel fabric
The test method of each index comprises the following steps:
(1) fabric Hunter whiteness test
The Hunter whiteness refers to the difference in color between the white color of a sample and the ideal white color, and the sample whiteness is evaluated by calculating the difference in color.
When the whiteness of a sample is tested, firstly, a whiteness meter is calibrated, secondly, the fabric to be tested is folded into four layers and is horizontally placed at a notch below the whiteness meter, and an execution key is pressed for testing.
(2) Test of breaking Strength of Fabric
The breaking strength of the fabric was operated according to the method described in GB/T3923.1-2003 "test strips for the tensile Properties of textile fabrics first part breaking strength and elongation at break".
(3) Fabric twist test
Reference is made to GB/T2543.1-2015 "determination of twist in textile yarns part 1: the experimental method of direct counting method adopts untwisting and twisting method to measure the twist value of warp and weft directions, 100 numerical values are respectively measured in the warp and weft directions, and the average value is taken.
(4) Hair effect
The height, expressed in cm, which the liquid can reach during a given time, is 30 x 5cm in size.
Example 6
1. Flatly laying the modified fabrics on a printing machine guide belt, printing a monochrome color block with the filling rate of 100% by using CMYK (cyan, magenta, yellow and black) four-color reactive dye ink in a resolution ratio of 600dpi multiplied by 600dpi and a 4Pass unidirectional printing mode, drying in an oven at the temperature of 80 ℃, then steaming for 10min, washing and drying; the printed fabric obtained was used to test color data and compare color effects.
Wherein, the steaming and water washing treatment specifically comprises the following steps: the fabric after ink jet printing was placed on an STM-G2003 steamer and steamed with saturated steam at 102 ℃. Washing the steamed fabric for 2min by using cold water, washing for 2min by using warm water, washing for 10min at 80 ℃ by using 2g/L standard soap solution, washing for 5min by using warm water to remove the dye attached to the surface of the fabric by using the soap solution, and finally washing by using cold water until no color exists in the water; and drying the washed fabric in an oven at 80 ℃. The bath ratio in the whole washing process was 50: 1. in the dyeing and finishing industry, the bath ratio refers to the ratio of the mass g of a fabric in a dip dyeing mode to the volume mL of a dyeing solution, and the bath ratio refers to the ratio of the mass of the fabric to the volume of a water washing solution.
And (3) testing the apparent color depth K/S value of the obtained ink-jet printing fabric: the fabric was folded 4 layers and then the color data of the single color patterns, including L, a, b, C, h, K/S values, etc., were measured using a Datacolor SF-600plus colorimeter. The colorimetric conditions were set to a D65 illuminant, a 10 ° viewing angle and a 6.6mm measuring aperture. The fabric was tested 8 times for each color and then averaged. The calculation formula of the apparent color depth K/S value of the fabric is as follows:
(K/S)λ＝(1-Rλ)2/(2×Rλ) Formula 1;
in the above formula, λ represents the wavelength of light, K represents the absorption coefficient of the fabric to light, S represents the scattering coefficient, and R represents the reflectance. Unless otherwise specified herein, the K/S value generally refers to the apparent color value of the front side of the fabric.
2. Computer software is used to design straight lines with the line width of 300 mu m and the length of 100mm in the warp and weft directions. Selecting a 600dpi × 600dpi and 4Pass unidirectional mode by an inkjet printing machine, then carrying out inkjet printing (cyan) on the modified tencel fabric at room temperature according to 100% of inkjet quantity, drying in an oven at 80 ℃, then steaming in saturated steam at 102 ℃ for 10min, washing with water, and drying (the steaming and washing processes are the same as 1); and measuring the printing line width of the obtained printed fabric by using an RH-2000 digital video optical microscope, and amplifying by 350 times.
3. In addition, the obtained printed fabric is subjected to color fastness, breaking strength and permeability tests. The breaking strength of the fabric was operated according to the method described in GB/T3923.1-2003 "test strips for the tensile Properties of textile fabrics first part breaking strength and elongation at break". The rubbing resistance and color fastness to washing of the fabric are respectively tested according to the methods of GB/T3920-. Wherein, the staining degree of the standard cotton lining cloth is often used as an evaluation standard.
And (3) testing the permeability: the smaller the degree of ink penetration, the more dye stays on the fabric surface, i.e., the higher the apparent color yield. The permeability of the fabric was tested according to the following formula:
permeability (%) - (K/S)f)/(K/Sr) X 100% of formula 2;
wherein, K/Sf、K/SrThe values are the depth of the ink-jet printed fabric front and back printing colors, respectively.
The printing data with sodium carboxymethylcellulose (CMC) as thickener is as follows:
TABLE 3 color data for inkjet printing of surfactant and CMC modified fabrics
As can be seen from Table 3, when CMC is compounded with four surfactants, the change rules of the modified working solutions in CMYK four-color inkjet printing are approximately consistent, and cyan is taken as an example for explanation. Compared with the fabric subjected to the conventional CMC + SDS modification treatment, the brightness value L of the fabric subjected to the CMC + SDS modification treatment is increased from 58.7 to 59.5, the brightness value is increased by 0.8, and the obtained printed fabric is lighter in color; a and b are negative values, and the absolute values are respectively reduced by 0.4 and 0.1, which indicates that the fabric is reddish and yellowish; the color saturation C decreased from 46.6 to 46.0 and the hue angle h ° decreased from 228.9 to 228.1. It can be seen that the cyan color of the printed fabric is significantly reduced. The brightness value L of the fabric subjected to the CMC + DTAC modification is increased, the color is lightened, a is increased from-31.7 to-29.8, b is increased from-35.1 to-34.1, the fabric is relatively red and yellow, the color of cyan is also weakened, the color saturation C is reduced from 46.6 to 45.6, and the color vividness is reduced. The hue angle h ° is reduced from 228.9 to 225.2. It can be seen that the printed fabric has reduced shade. The brightness value L of the fabric modified by CMC + FMEE and CMC + OB-2 is respectively reduced by 0.4 and 0.9, the color value is obviously increased, a and b are negative values, and the absolute value is increased, which means that the whole printed fabric is greenish and blue, the saturation is increased along with the increase of the brightness, the hue angle is increased, and the chromatic light is purer.
Summarizing the above rules, in the CMC modified working solution, the addition of SDS and DTAC is not beneficial to printing cyan and magenta color patterns on the modified fabric, and the use of FMEE and OB-2 obviously improves the printing effect of the modified fabric.
TABLE 4 Effect of surfactants on the K/S values of four colors of ink-jet printed fabrics
The CMYK four-color K/S value shows slightly different rules by blending CMC with SDS, DTAC, FMEE and OB-2 respectively to modify the fabric. The CMC + SDS modified printed fabric had reduced K/S values for cyan, magenta and yellow compared to the unmodified fabric, while the K/S value for black was comparable to that of the unmodified fabric. The CMC + DTAC modified fabric reduced the K/S values for cyan and magenta, while the K/S values were higher for yellow and black, which may be the effect that DTAC plays differently for different dye molecular structures. When CMC is mixed with FMEE and OB-2 respectively for use, the K/S values of the four colors of the printed fabric are all higher than those modified by CMC only.
TABLE 5 Effect of surfactants on ink-jet printing warp and weft linewidths
As can be seen from Table 5, the surfactant reduces the spreading of the dye molecules on the fabric, and the performance is most obvious on the CMC + OB-2 modification treatment, wherein the width of the printed line is smaller, namely the anti-seepage effect is better.
TABLE 6 breaking Strength of surfactant modified ink jet printed fabrics (cyan)
TABLE 7 color fastness index of surfactant modified treated inkjet printed fabricsa
aThe fill rate of the printed cyan pattern was 100%; steaming conditions are as follows: steaming with 102 deg.C saturated steam for 10 min; washing conditions are as follows: 2g/L of soap solution, the bath ratio is 50:1, the washing is carried out for 30min at the temperature of 60 ℃, and the drying temperature is 80 ℃.
TABLE 8 penetration Properties of OB-2 modified printed fabrics
As can be seen from tables 6-8, the permeability of the dye molecules on the fabric is reduced, the breaking strength is slightly increased, and the color fastness index is almost unchanged when the fabric is treated by the modified working solution.
Example 7
Inkjet printing was performed and tested according to the method steps of example 6.
The printing data with Sodium Alginate (SA) as thickener are as follows:
TABLE 9 color data for inkjet printing of surfactant and sodium alginate modified fabrics
The conclusion is that the use of CMC, namely FMEE and OB-2 obviously improves the printing effect of the modified fabric.
TABLE 10 Effect of surfactants on the K/S values of four colors of ink jet printed fabrics in example 7
Sodium alginate is compounded with three surfactants of SDS, FMEE and OB-2 respectively, the four-color K/S value of the printed fabric is higher than that of the fabric modified by only using sodium alginate, and particularly the printed fabric modified by sodium alginate and OB-2 is most obvious. SDS has negative charges in aqueous solution and can form stable pretreatment solution with sodium alginate; FMEE and OB-2 are nonionic and amphoteric surfactants, respectively, and OB-2 appears nonionic when the pretreatment solution is neutral or alkaline, where both are equivalent in charge properties, but OB-2 exhibits a higher K/S value.
TABLE 11 influence of surfactant on the warp and weft linewidths of ink jet printing (cyan) in example 7
As can be seen from Table 11, the surfactant reduced the spreading of the dye molecules on the fabric, and was most significantly exhibited by the SA + OB-2 modification treatment, wherein the width of the printed lines was smaller, i.e., the barrier effect was better.
TABLE 12 breaking Strength of surfactant/sodium alginate modified printed Fabric (cyan)
TABLE 13 color fastness index of surfactant/sodium alginate modified printed fabrics (cyan)
As can be seen from Table 13, the dry crockfastness of the printed fabrics was all 4-5 grades. Therefore, the addition of the surfactant does not influence the dry rubbing fastness of the ink-jet printed fabric, wherein FMEE and OB-2 are respectively blended with sodium alginate to ensure that the wet rubbing fastness of the printed fabric is reduced to 3-4 grades, and the dye is easy to adhere to cotton lining cloth under the washing rubbing action due to more dye molecules on the surface of the fabric. However, surfactant modification has little effect on the color fastness and staining fastness of printed fabrics.
From the above examples, it can be seen that, by using the modified working solution added with surfactants such as dodecyl dimethyl amine oxide, the inkjet printing fabric has good color tone and vividness, higher apparent color depth K/S value, smaller width of printed lines (i.e. better anti-bleeding effect), reduced permeability of dye molecules on the fabric, slightly increased breaking strength, almost no change in color fastness index, better inkjet printing pattern effect, and contribution to improvement of the inkjet printing technical level.
The above description is only a preferred embodiment of the present invention, and it should be noted that various modifications to these embodiments can be implemented by those skilled in the art without departing from the technical principle of the present invention, and these modifications should be construed as the scope of the present invention.
Claims (8)
1. A fabric modification working solution for inkjet printing of tencel fabrics comprises the following components in percentage by mass:
1.5 to 2.5 percent of thickening agent;
1.5 to 3 percent of alkaline auxiliary agent;
8% -10% of moisture absorbent;
0-1% of an anti-reducing agent;
0.8 to 1.5 percent of surfactant;
the balance of water;
the thickening agent is one or more of alginate and carboxymethyl cellulose salt; the surfactant is one or more of dodecyl dimethyl amine oxide and fatty acid methyl ester ethoxylate; the alkaline auxiliary agent is one or more of sodium carbonate and sodium bicarbonate; the moisture absorbent is urea; the anti-reducing agent is a dye-resistant salt S.
2. A method of modifying a fabric comprising the steps of:
padding the modified working solution on the tencel fabric, and drying to obtain a treated fabric; the modified working solution is the fabric modified working solution of claim 1.
3. The modification method according to claim 2, wherein the modification working solution is prepared by the following steps:
providing a raw thickener paste;
and dissolving the moisture absorbent, the alkaline assistant and the anti-reducing agent in water according to the mass percentage, and then adding the surfactant and the thickener raw paste to obtain the modified working solution.
4. The modification method according to claim 2, wherein the liquid carrying rate of the padded fabric is 70-85%; the drying is drying at 70-80 ℃ for 5-10 minutes.
5. An ink-jet printing fabric is obtained by sequentially carrying out ink-jet printing, drying, steaming and washing on the fabric obtained by the modification method of claim 2; the ink-jet printing uses reactive dye ink.
6. A method of ink-jet printing comprising the steps of:
padding the modified working solution on the tencel fabric, and drying to obtain a treated fabric; the modified working solution is the fabric modified working solution of claim 1;
and carrying out ink-jet printing on the treated fabric by using reactive dye ink, drying, steaming, and washing to obtain the ink-jet printed fabric.
7. The method according to claim 6, wherein the pH value of the modified working solution is 8-12; the ink-jet printing is carried out at room temperature according to the ink-jet amount of 10-100%.
8. The method according to claim 7, characterized in that said steaming is in particular: and treating the dried fabric in saturated steam at 100-102 ℃ for 5-10 minutes.
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| CN110924196A (en) * | 2019-12-03 | 2020-03-27 | 郑州鸿盛数码科技股份有限公司 | Pretreatment liquid for digital printing of polyester-cotton fabric and color development process |
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| JP2006152454A (en) * | 2004-11-25 | 2006-06-15 | Konica Minolta Holdings Inc | Pretreating liquid for inkjet printing and inkjet printing method using the same |
| CN101117766A (en) * | 2007-07-23 | 2008-02-06 | 江南大学 | Method for improving ink-spraying printing image performance by using Gemini type compound |
| CN100500982C (en) * | 2007-07-23 | 2009-06-17 | 江南大学 | Method for improving ink-spraying printing image performance by using Gemini type compound |
| CN102936854A (en) * | 2011-10-26 | 2013-02-20 | 日冠(福建)针纺织机械有限公司 | Cold dyeing direct printing process suitable for reactive dye printing of full cotton fabric |
| CN103696280A (en) * | 2013-12-09 | 2014-04-02 | 常熟市凯丽针纺织有限公司 | Cold-dyeing direct-printing process applicable to printing on full-cotton fabric by using reactive dye |
| CN105821680A (en) * | 2016-05-30 | 2016-08-03 | 山东黄河三角洲纺织科技研究院有限公司 | Reactive dye duplex printing method |
| CN108203888A (en) * | 2017-12-29 | 2018-06-26 | 上海安诺其数码科技有限公司 | A kind of digital printing process suitable for textile |
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