CN112981989B - Printing and dyeing additive and method for dyeing real silk/viscose composite fabric - Google Patents
Printing and dyeing additive and method for dyeing real silk/viscose composite fabric Download PDFInfo
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- CN112981989B CN112981989B CN202110220269.0A CN202110220269A CN112981989B CN 112981989 B CN112981989 B CN 112981989B CN 202110220269 A CN202110220269 A CN 202110220269A CN 112981989 B CN112981989 B CN 112981989B
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- 239000004744 fabric Substances 0.000 title claims abstract description 88
- 238000004043 dyeing Methods 0.000 title claims abstract description 75
- 229920000297 Rayon Polymers 0.000 title claims abstract description 55
- 239000002131 composite material Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000000654 additive Substances 0.000 title abstract description 7
- 230000000996 additive effect Effects 0.000 title abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 67
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- NVIFVTYDZMXWGX-UHFFFAOYSA-N sodium metaborate Chemical compound [Na+].[O-]B=O NVIFVTYDZMXWGX-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229920001285 xanthan gum Polymers 0.000 claims abstract description 13
- 239000000230 xanthan gum Substances 0.000 claims abstract description 13
- 229940082509 xanthan gum Drugs 0.000 claims abstract description 13
- 235000010493 xanthan gum Nutrition 0.000 claims abstract description 13
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims abstract description 12
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000004202 carbamide Substances 0.000 claims abstract description 12
- 239000001508 potassium citrate Substances 0.000 claims abstract description 12
- 229960002635 potassium citrate Drugs 0.000 claims abstract description 12
- QEEAPRPFLLJWCF-UHFFFAOYSA-K potassium citrate (anhydrous) Chemical compound [K+].[K+].[K+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O QEEAPRPFLLJWCF-UHFFFAOYSA-K 0.000 claims abstract description 12
- 235000011082 potassium citrates Nutrition 0.000 claims abstract description 12
- 239000001632 sodium acetate Substances 0.000 claims abstract description 12
- 235000017281 sodium acetate Nutrition 0.000 claims abstract description 12
- 239000000985 reactive dye Substances 0.000 claims abstract description 10
- 230000004048 modification Effects 0.000 claims abstract description 7
- 238000012986 modification Methods 0.000 claims abstract description 7
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920001661 Chitosan Polymers 0.000 claims abstract description 6
- 239000007822 coupling agent Substances 0.000 claims abstract description 5
- 238000002791 soaking Methods 0.000 claims description 24
- 238000005096 rolling process Methods 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 11
- 229920002101 Chitin Polymers 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 5
- 238000007598 dipping method Methods 0.000 claims description 5
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 claims description 4
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 3
- MZWXWSVCNSPBLH-UHFFFAOYSA-N 3-(3-aminopropyl-methoxy-methylsilyl)oxypropan-1-amine Chemical compound NCCC[Si](C)(OC)OCCCN MZWXWSVCNSPBLH-UHFFFAOYSA-N 0.000 claims description 3
- KOVKEDGZABFDPF-UHFFFAOYSA-N n-(triethoxysilylmethyl)aniline Chemical compound CCO[Si](OCC)(OCC)CNC1=CC=CC=C1 KOVKEDGZABFDPF-UHFFFAOYSA-N 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 4
- 230000000694 effects Effects 0.000 abstract description 8
- 239000001257 hydrogen Substances 0.000 abstract description 7
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 2
- 239000000975 dye Substances 0.000 description 12
- 239000000243 solution Substances 0.000 description 7
- 239000007864 aqueous solution Substances 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 238000002835 absorbance Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000000980 acid dye Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- SJEYSFABYSGQBG-UHFFFAOYSA-M Patent blue Chemical compound [Na+].C1=CC(N(CC)CC)=CC=C1C(C=1C(=CC(=CC=1)S([O-])(=O)=O)S([O-])(=O)=O)=C1C=CC(=[N+](CC)CC)C=C1 SJEYSFABYSGQBG-UHFFFAOYSA-M 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 239000000987 azo dye Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000982 direct dye Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
- D06P1/46—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 natural macromolecular substances or derivatives thereof
- D06P1/48—Derivatives of carbohydrates
-
- 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
- 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
- D06P1/64—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 low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/642—Compounds containing nitrogen
- D06P1/6429—Compounds containing nitrogen bound to a six-membered aromatic carbocyclic ring
-
- 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
- D06P1/64—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 low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/642—Compounds containing nitrogen
- D06P1/645—Aliphatic, araliphatic or cycloaliphatic compounds containing amino groups
-
- 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
- D06P1/64—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 low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/642—Compounds containing nitrogen
- D06P1/649—Compounds containing carbonamide, thiocarbonamide or guanyl groups
- D06P1/6491—(Thio)urea or (cyclic) derivatives
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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
- D06P1/44—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
- D06P1/653—Nitrogen-free carboxylic acids or their salts
- D06P1/6533—Aliphatic, araliphatic or cycloaliphatic
-
- 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
- D06P1/673—Inorganic compounds
- D06P1/67333—Salts or hydroxides
- D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
-
- 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
- D06P3/82—Textiles which contain different kinds of fibres
- D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
- D06P3/8219—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and amide groups
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Coloring (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention relates to the field of printing and dyeing industry, in particular to a printing and dyeing additive and a method for dyeing real silk/viscose composite fabric, which comprises a composition A and a composition B, wherein the composition A and the composition B respectively comprise the following components in parts by weight: composition A: 20-45 parts of urea, 10-15 parts of sodium acetate, 5-10 parts of sodium metaborate, 3238 parts of potassium citrate zxft 3238 parts of xanthan gum 1~3 parts of water; composition B: 10-30 parts of aminosilane coupling agent, 20-30 parts of chitosan, 100-200 parts of methanol and 600-800 parts of water. The method overcomes the defect that the dyeing effect is poor due to the fact that the method for dyeing the real silk/viscose composite fabric in the prior art cannot simultaneously take the characteristics of the two fabrics into consideration, firstly opens the hydrogen bonds in the fabric through the composition A in the actual dyeing process, so that modification of the fabric by modified molecules is facilitated, and meanwhile, the dyeing performance of the real silk and viscose two fabrics is estimated, so that the combination of the reactive dye and the fabric is facilitated, and the dyeing effect is effectively improved.
Description
Technical Field
The invention relates to the field of printing and dyeing industry, in particular to a printing and dyeing additive and a method for dyeing real silk/viscose composite fabric.
Background
The real silk fabric is named as 'fabric queen', the characteristics of smooth and soft texture, high elasticity, bright and soft luster are favored by consumers, and the real silk fabric has excellent dye performance and can be dyed by acid, neutral, direct, active, cationic, reductive, soluble reductive, insoluble azo dyes and the like. However, it is easily damaged in alkaline medium, so that it is mainly made of acid dye and is supplemented with neutral, direct and reactive dye.
The common viscose fiber has good hygroscopicity, easy dyeing, difficult static generation and better spinnability. The short fiber can be spun purely or blended with other textile fibers, and the fabric is soft, smooth, good in air permeability, comfortable to wear, bright in color after dyeing and good in color fastness. It is suitable for making underwear, outerwear and various decorative articles. However, viscose is less alkali and acid resistant due to its chemical composition similar to cotton, and is therefore generally not suitable for acid dyes.
Therefore, the real silk/viscose composite fabric needs to consider the different properties of the real silk fabric and the viscose fabric at the same time in the dyeing process, but the characteristics of the real silk fabric and the viscose fabric cannot be considered in the prior art, so that the dyeing effect of the real silk/viscose composite fabric is poor.
Disclosure of Invention
The invention provides a dyeing additive and a dyeing method of a real silk/viscose composite fabric, aiming at overcoming the defect of poor dyeing effect caused by the fact that the dyeing method of the real silk/viscose composite fabric in the prior art cannot simultaneously take the characteristics of two fabrics into consideration.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the printing and dyeing additive comprises a composition A and a composition B, wherein the composition A and the composition B respectively comprise the following components in parts by weight:
composition A: 20-45 parts of urea, 10-15 parts of sodium acetate, 5-10 parts of sodium metaborate, 1-5 parts of potassium citrate, 1-3 parts of xanthan gum and 1000 parts of water;
composition B: 10 to 30 portions of amino silane coupling agent, 20 to 30 portions of deacetylated chitin, 100 to 200 portions of methanol and 600 to 800 portions of water.
Further preferably, the composition A and the composition B respectively comprise the following components in parts by weight:
composition A: 30-40 parts of urea, 10-15 parts of sodium acetate, 6-9 parts of sodium metaborate, 3-5 parts of potassium citrate, 1-2 parts of xanthan gum and 1000 parts of water;
composition B: 15 to 25 portions of amino silane coupling agent, 25 to 30 portions of deacetylated chitin, 150 to 200 portions of methanol and 650 to 750 portions of water.
Still further preferably, the composition a and the composition B respectively comprise, in parts by weight:
composition A: 35 parts of urea, 12 parts of sodium acetate, 8 parts of sodium metaborate, 4 parts of potassium citrate, 1.5 parts of xanthan gum and 1000 parts of water;
composition B: 20 parts of aminosilane coupling agent, 28 parts of deacetylated chitin, 180 parts of methanol and 700 parts of water.
Preferably, the silane coupling agent is one of gamma-aminopropyltriethoxysilane, gamma-aminopropyltrimethoxysilane, phenylaminomethyltriethoxysilane or N-beta (aminoethyl) -gamma-aminopropylmethyldimethoxysilane.
A dyeing method of real silk/viscose composite fabric comprises the following steps:
(S.1) fabric pretreatment: soaking the real silk/viscose composite fabric in the solution containing the composition A, and heating for a certain time;
(S.2) modifying the surface of the fabric: adding a certain amount of the composition B into the solution, continuously soaking for a certain time under the stirring condition, taking out the real silk/viscose composite fabric, and drying;
(S.3) dyeing: and (3) placing the real silk/viscose composite fabric subjected to surface modification into reactive dye liquor for dyeing, soaping after dyeing is finished, and drying to finish dyeing.
Preferably, the amount of composition a added in step (s.1) is 1 to 3% by volume fraction.
Preferably, the treatment temperature in the step (S.1) is 50 to 65 ℃ and the treatment time is 20 to 60min.
Preferably, the amount of composition B added in step (s.2) is 1 to 5% by volume fraction, and the impregnation is carried out by dipping and rolling.
Preferably, the single stirring and dipping time is 10-45 min, the rolling residual rate is 90%, and the drying temperature is 75-85 ℃.
Preferably, the dyeing temperature is 40 to 50 ℃ and the dyeing time is 30 to 40min.
The invention has the following beneficial effects:
the printing additive of the present invention includes a composition a and a composition B, and both of them have different functions. The composition A has a certain alkalescence effect, can destroy hydrogen bonds in viscose fibers and silk fabrics at a certain temperature, effectively improves the permeability, and can be combined with hydrogen bond fracture positions in cellulose by matching with the addition of xanthan gum, so that hydrogen bonds can not be formed again in cellulose molecules. In addition, the addition of the sodium metaborate can also play a certain role in improving the toughness of the fabric, so that the mechanical strength of the fabric during the printing and dyeing pretreatment can be protected.
The composition B is used for modifying the broken part of the hydrogen bond after the hydrogen bond of the fabric is opened, so that the groups which have binding force to dye molecules in the fabric are increased, and the real silk/viscose composite fabric can be better dyed.
The chitosan contains more hydroxyl and amino which are active groups, and the chitosan has good reaction activity with the active dye, so that the chitosan is added and then is combined with the silane coupling agent containing the amino, so that the dyeing effect of the fabric can be effectively improved.
Therefore, in the actual dyeing process, the hydrogen bonds in the fabric are firstly opened through the composition A, so that the fabric is modified by modified molecules conveniently, and meanwhile, the dyeing properties of the real silk fabric and the viscose fabric are estimated, so that the combination of the reactive dye and the fabric is facilitated, and the dyeing effect is effectively improved.
Detailed Description
The invention is further described with reference to specific examples. Those skilled in the art will be able to implement the invention based on these teachings. Furthermore, the embodiments of the present invention described in the following description are generally only a part of the embodiments of the present invention, and not all of the embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort shall fall within the protection scope of the present invention.
Example 1
A dyeing method of a real silk/viscose composite fabric comprises the following steps:
(S.1) fabric pretreatment: soaking the real silk/viscose composite fabric in an aqueous solution containing 1% of the composition A by volume fraction, heating to 50 ℃, and soaking for 20min.
Wherein the composition A comprises the following components in parts by weight: 20 parts of urea, 10 parts of sodium acetate, 5 parts of sodium metaborate, 1 part of potassium citrate, 1 part of xanthan gum and 1000 parts of water.
(S.2) modifying the surface of the fabric: adding the composition B with the volume fraction of 1% into the solution, soaking and rolling for two times under stirring, wherein the soaking time is 10min under single stirring, the rolling residual rate is 90%, taking out the real silk/viscose composite fabric, and drying at 75 ℃.
Wherein the composition B comprises the following components in parts by weight: 10 parts of gamma-aminopropyltriethoxysilane, 20 parts of deacetylated chitin, 100 parts of methanol and 600 parts of water.
(S.3) dyeing: placing the real silk/viscose composite fabric subjected to surface modification into 1wt% of red reactive dye BFS dye liquor for dyeing, soaping after dyeing is completed, the bath ratio is 1.
Example 2
A dyeing method of real silk/viscose composite fabric comprises the following steps:
(S.1) fabric pretreatment: soaking the real silk/viscose composite fabric in an aqueous solution containing 3 volume percent of the composition A, heating to 65 ℃, and soaking for 60min.
Wherein the composition A comprises the following components in parts by weight: 45 parts of urea, 15 parts of sodium acetate, 10 parts of sodium metaborate, 5 parts of potassium citrate, 3 parts of xanthan gum and 1000 parts of water.
(S.2) modifying the surface of the fabric: adding the composition B with the volume fraction of 5% into the solution, soaking and rolling for two times under stirring, wherein the soaking time is 45min under single stirring, the rolling residual rate is 90%, and then taking out the real silk/viscose composite fabric and drying at 85 ℃.
Wherein the composition B comprises the following components in parts by weight: 30 parts of gamma-aminopropyl trimethoxy silane, 30 parts of deacetylated chitin, 200 parts of methanol and 800 parts of water.
(S.3) dyeing: placing the real silk/viscose composite fabric subjected to surface modification into 1wt% of red reactive dye BFS dye liquor for dyeing, soaping after dyeing is completed, the bath ratio is 1.
Example 3
A dyeing method of a real silk/viscose composite fabric comprises the following steps:
(S.1) fabric pretreatment: soaking the real silk/viscose composite fabric in an aqueous solution containing 2% of the composition A by volume fraction, heating to 55 ℃, and soaking for 40min.
Wherein the composition A comprises the following components in parts by weight: 30 parts of urea, 10 parts of sodium acetate, 6 parts of sodium metaborate, 3 parts of potassium citrate, 1 part of xanthan gum and 1000 parts of water.
(S.2) modifying the surface of the fabric: adding the composition B with the volume fraction of 2.5% into the solution, soaking and rolling for two times under stirring, wherein the soaking time is 30min under single stirring, the rolling residual rate is 90%, taking out the real silk/viscose composite fabric, and drying at 80 ℃.
Wherein the composition B comprises the following components in parts by weight: 15 parts of phenylaminomethyl triethoxysilane, 25 parts of deacetylated chitin, 150 parts of methanol and 650 parts of water.
(S.3) dyeing: placing the real silk/viscose composite fabric subjected to surface modification into 1wt% of red reactive dye BFS dye liquor for dyeing, soaping after dyeing is finished, adjusting the bath ratio to be 1.
Example 4
A dyeing method of real silk/viscose composite fabric comprises the following steps:
(S.1) fabric pretreatment: soaking the real silk/viscose composite fabric in an aqueous solution containing 1.5 percent of the composition A by volume fraction, heating to 55 ℃, and soaking for 30min.
Wherein the composition A comprises the following components in parts by weight: 40 parts of urea, 15 parts of sodium acetate, 9 parts of sodium metaborate, 5 parts of potassium citrate, 2 parts of xanthan gum and 1000 parts of water (S.2), and modifying the surface of the fabric: adding the composition B with the volume fraction of 1.5% into the solution, soaking and rolling for two times under stirring, wherein the soaking time is 35min under single stirring, the rolling residual rate is 90%, taking out the real silk/viscose composite fabric, and drying at 80 ℃.
Wherein the composition B comprises the following components in parts by weight: 25 parts of N-beta (aminoethyl) -gamma-aminopropylmethyldimethoxysilane, 30 parts of deacetylated chitin, 200 parts of methanol and 750 parts of water.
(S.3) dyeing: placing the real silk/viscose composite fabric subjected to surface modification into 1wt% of red reactive dye BFS dye liquor for dyeing, soaping after dyeing is completed, the bath ratio is 1.
Example 5
A dyeing method of real silk/viscose composite fabric comprises the following steps:
(S.1) preprocessing the fabric: soaking the real silk/viscose composite fabric in an aqueous solution containing 1-3% of the composition A by volume fraction, heating to 60 ℃, and soaking for 50min.
Wherein the composition A comprises the following components in parts by weight: 35 parts of urea, 12 parts of sodium acetate, 8 parts of sodium metaborate, 4 parts of potassium citrate, 1.5 parts of xanthan gum and 1000 parts of water.
(S.2) modifying the surface of the fabric: adding the composition B with the volume fraction of 4.5% into the solution, soaking and rolling for two times under stirring, wherein the soaking time is 40min under single stirring, the rolling residual rate is 90%, taking out the real silk/viscose composite fabric, and drying at 78 ℃.
Wherein the composition B comprises the following components in parts by weight: 20 parts of gamma-aminopropyl trimethoxy silane, 28 parts of deacetylated chitin, 180 parts of methanol and 700 parts of water.
(S.3) dyeing: placing the surface-modified real silk/viscose composite fabric into 1wt% of red reactive dye BFS dye liquor for dyeing, soaping after dyeing is finished, the bath ratio is 1.
The examples 1 to 5 and the untreated real silk/viscose composite fabric (comparative example 1) were subjected to dyeing property test: test of percentage of dye uptake: the absorbance of the dye bath before and after dyeing was measured at the maximum absorption wavelength using a model 721 spectrophotometer, respectively.
Dye uptake (%) = (1-I1/I0) × 100%; in the formula, I1 is the absorbance of the residual liquid after dyeing, and I0 is the initial absorbance of the residual liquid.
Fastness of dyeing of the dyed fabric: the grading is carried out according to the GB/T3920-1997 assay with a color-changing gray sample card (GB 251-1984).
The wash fastness was rated according to GB/T3920-1997.
The results are shown in the following table:
TABLE 1
From the data in the table above, it can be seen that the dye uptake of the dyed real silk/viscose composite fabric is greatly improved, and the rubbing color fastness and the washing color fastness are both improved to a certain extent.
Claims (9)
1. A dyeing method of real silk/viscose composite fabric is characterized by comprising the following steps:
(S.1) preprocessing the fabric: soaking the real silk/viscose composite fabric in a solution containing the composition A, and heating for a certain time;
(S.2) modifying the surface of the fabric: adding a certain amount of the composition B into the solution, continuously soaking for a certain time under the stirring condition, taking out the real silk/viscose composite fabric, and drying;
(S.3) dyeing: placing the real silk/viscose composite fabric subjected to surface modification into reactive dye liquor for dyeing, soaping after dyeing is completed, and drying to complete dyeing;
the composition A and the composition B respectively comprise the following components in parts by weight:
composition A:
20-45 parts of urea, 10-15 parts of sodium acetate, 5-10 parts of sodium metaborate, 3238 parts of potassium citrate zxft 3238 parts of xanthan gum 1~3 parts of water;
composition B: 10 to 30 parts of aminosilane coupling agent, 20 to 30 parts of chitosan, 100 to 200 parts of methanol and 600 to 800 parts of water.
2. The method for dyeing the real silk/viscose composite fabric according to claim 1, wherein the addition amount of the composition A in the step (S.1) is 1~3% in terms of volume fraction.
3. The method for dyeing the real silk/viscose glue composite fabric according to claim 1 or 2, wherein the processing temperature in the step (S.1) is 50 to 65 ℃, and the processing time is 20 to 60min.
4. The dyeing method of the real silk/viscose glue composite fabric according to claim 1, characterized in that the adding amount of the composition B in the step (S.2) is 1~5% according to volume fraction, and the dipping mode is two dipping and two rolling.
5. The dyeing method of the real silk/viscose glue composite fabric according to claim 4, wherein the single stirring dipping time is 10 to 45min, the rolling residue rate is 90 percent, and the drying temperature is 75 to 85 ℃.
6. The dyeing method of the real silk/viscose glue composite fabric according to claim 1, wherein the dyeing temperature is 50 to 80 ℃, and the dyeing time is 30 to 40min.
7. The method for dyeing the real silk/viscose composite fabric according to claim 1, wherein the composition A and the composition B respectively comprise the following components in parts by weight:
composition A: 30-40 parts of urea, 10-15 parts of sodium acetate, 3236 parts of sodium metaborate, 5262 parts of potassium citrate, 3763 parts of xanthan gum and 1000 parts of water;
composition B: 15-25 parts of aminosilane coupling agent, 25-30 parts of chitosan, 150-200 parts of methanol and 650-750 parts of water.
8. The method for dyeing the real silk/viscose composite fabric according to claim 1, wherein the composition A and the composition B respectively comprise the following components in parts by weight:
composition A: 35 parts of urea, 12 parts of sodium acetate, 8 parts of sodium metaborate, 4 parts of potassium citrate, 1.5 parts of xanthan gum and 1000 parts of water;
composition B: 20 parts of aminosilane coupling agent, 28 parts of deacetylated chitin, 180 parts of methanol and 700 parts of water.
9. The dyeing method of the real silk/viscose composite fabric according to claim 1, 7 or 8, wherein the silane coupling agent is one of gamma-aminopropyltriethoxysilane, gamma-aminopropyltrimethoxysilane, phenylaminomethyltriethoxysilane or N-beta (aminoethyl) -gamma-aminopropylmethyldimethoxysilane.
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