CN111088705A - Production method of dark knitwear with high color fastness to washing - Google Patents
Production method of dark knitwear with high color fastness to washing Download PDFInfo
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- CN111088705A CN111088705A CN201911200135.1A CN201911200135A CN111088705A CN 111088705 A CN111088705 A CN 111088705A CN 201911200135 A CN201911200135 A CN 201911200135A CN 111088705 A CN111088705 A CN 111088705A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/16—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dispersed, e.g. acetate, dyestuffs
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/12—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen combined with specific additives
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
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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
- D06P1/38—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
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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
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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
- D06P1/673—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
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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
- 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
- D06P3/8223—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and ester groups
- D06P3/8238—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and ester groups using different kinds of dye
- D06P3/8252—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing hydroxyl and ester groups using different kinds of dye using dispersed and reactive dyes
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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
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/04—After-treatment with organic compounds
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
- D10B2201/02—Cotton
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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Abstract
The invention provides a production method of deep-color knitwear with high color fastness to washing, which is reasonable in design and enables wet rubbing color fastness of fabrics to be good. The invention comprises the following steps: step one, the texture structure of the knitwear is plating lining texture, the ground texture surface yarn adopts combed siro spinning yarn, the ground yarn adopts polyester low stretch yarn, and the lining yarn adopts carded yarn; the specific operation steps are as follows (1) spooling: processing the three yarns into cheese on a winding machine respectively for a circular knitting machine; (2) weaving: knitting plating liner weave fabric by a circular knitting machine, wherein knitting needles are arranged in a needle cylinder according to a group of three needle heel heights A, B, C; secondly, pretreating the fabric by adopting sodium carbonate and hydrogen peroxide, and washing the fabric by hot water, warm water and cold water step by step; the method comprises the steps of dyeing with disperse dyes, reduction cleaning, water washing, dyeing with reactive dyes and water washing; softening the dyed fabric; and (4) soaping and finishing the fabric.
Description
Technical Field
The invention relates to a production method of dark knitwear with high color fastness to washing.
Background
Among the multi-color fastness quality inspection indicators of textiles, wet crocking is one of the important indicators. According to the standard clothes of most clothes products in China, the wet rubbing color fastness of the first-class fabric products can reach 3 grades, the dark color products can be reduced by half, and the wet rubbing color fastness of the export products is generally required to reach more than 3 grades. In daily inspection work, fabric samples with pure cotton and deep colors such as purplish red, dark blue and black and the like often appear, and the wet rubbing color fastness is poor and is lower than 2-3 grades, so that the fabric samples cannot reach the first-class standard, the whole batch of clothing products are unqualified, and losses are caused to enterprises and consumers.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the production method of the deep-color knitwear with high color fastness to washing, which is reasonable in design and enables the wet rubbing color fastness of the fabric to be better.
The technical scheme adopted by the invention for solving the problems is as follows: a production method of deep-color knitwear with high color fastness to washing is characterized by comprising the following steps: the method comprises the following steps:
step one, the texture structure of the knitwear is plating lining texture, the ground texture surface yarn adopts combed siro spinning yarn, the ground yarn adopts polyester low stretch yarn, and the lining yarn adopts carded yarn; the specific operation steps are as follows:
(1) spooling: processing the three yarns into cheese on a winding machine respectively for a circular knitting machine;
(2) weaving: knitting plating liner weave fabric by a circular knitting machine, wherein knitting needles are arranged in a needle cylinder according to a group of three needle heel heights A, B, C;
step two, carrying out dark color dyeing on the plaited lining stitch fabric gray fabric after weaving, and specifically comprising the following operation steps:
(1) pretreatment: feeding the plaited lining fabric grey cloth into a dye vat according to a bath ratio of 1: 40 adding water, heating to 78-82 ℃ at the speed of 2.8-3.2 ℃/min, then adding hydrogen peroxide, a refining agent, an alkali-resistant penetrating agent and soda ash, wherein the adding amount of the hydrogen peroxide is as follows: the mass of hydrogen peroxide/volume of water in the dye vat is 5-7g/L, and the adding amount of the scouring agent is as follows: the mass of the scouring agent per volume of water in the dye vat =1.9-2.1g/L, and the addition amount of the alkali-resistant penetrating agent is as follows: the mass of the alkali-resistant penetrating agent per volume of water in the dye vat is =1.9-2.1g/L, and the addition amount of the soda ash is as follows: the mass of the soda ash per volume of water in the dye vat is =9-11 g/L; then heating to 83-87 ℃, and adding hydrogen peroxide, wherein the adding amount of the hydrogen peroxide is as follows: the quality of hydrogen peroxide/volume of water in the dye vat is =1-2g/L, the temperature is kept for 58-62min, then the hydrogen peroxide is cleaned by hot water at 78-82 ℃, then the hydrogen peroxide is cleaned by warm water at 48-52 ℃, and then the hydrogen peroxide is cleaned by cold water at 23-27 ℃;
(2) dyeing: adding water with the temperature of 48-52 ℃ into a dye vat according to the proportion of 1: a bath ratio of 30; heating to 130-140 ℃ at the speed of 2.5-3.5 ℃/min, and then adding a disperse dye, glacial acetic acid and a high-temperature leveling agent, wherein the adding amount of the disperse dye is as follows: the mass of the disperse dye/the mass of the grey cloth in the dye vat is =1% -1.2%, and the adding amount of glacial acetic acid is as follows: the mass of glacial acetic acid/volume of water in the dye vat = 0.45-0.55g/L, and the addition amount of the high-temperature leveling agent is as follows: the mass of the high-temperature leveling agent/volume of water in the dye vat is = 1.3-1.7 g/L; then preserving heat for 58-62min, finally cooling to 83-87 ℃, and then adding an alkaline reducing cleaning agent and glacial acetic acid, wherein the adding amount of the alkaline reducing cleaning agent is as follows: the mass of the alkaline reducing cleaning agent per volume of the dye solution in the dye vat is = 0.45-0.55g/L, and the adding amount of glacial acetic acid is as follows: glacial acetic acid mass/dye liquor volume in the dye vat =0.8-1.2g/L, then cleaning for 28-22min, and discharging liquor; then adding water again according to the proportion of 1: a bath ratio of 30; heating to 58-62 ℃ at the speed of 0.8-1.2 ℃/min, preserving heat for 18-22min, washing with water, adding water according to the proportion of 1: a bath ratio of 20; then adding reactive dye, anhydrous sodium sulphate and sodium carbonate, wherein the adding amount of the reactive dye is as follows: the mass of the reactive dye/the mass of the grey cloth in the dye vat is =1.2-1.7%, and the addition amount of the anhydrous sodium sulphate is as follows: the mass of anhydrous sodium sulphate/volume of water in the dye vat =13-17g/L, and the addition amount of soda ash is: the mass of the soda/volume of water in the dye vat is = 5-7g/L, and then the water is washed after the heat preservation is carried out for 40-60 min;
(3) and (3) after finishing: in the dye vat according to 1: adding water according to a bath ratio of 30, adding liquid wax for softening, wherein the adding amount of the liquid wax is as follows: the mass of liquid wax/volume of water in the dye vat is = 0.3-0.7g/L, and the softening time is 10-20 min; then according to the bath ratio of 1: 50, adding water, and then adding a soaping agent, wherein the adding amount of the soaping agent is as follows: the mass of the soaping agent/volume of water in the dye vat is = 1.8-2.2g/L, the temperature is raised to 90-100 ℃, the water is drained after the treatment for 13-17min, the water is washed once, and then the water is drained, and the drying is carried out after the dehydration.
The plaiting backing weave of the invention has the ground weave formed by the ground weave and the veil with the plain stitch plaiting weave added with an unrelaced backing weave, a complete course is formed by three knitting systems, and the backing weave ratio of the backing structure is 1: 1-1: 3.
the invention uses a single-side multi-needle track circular knitting machine for knitting, and the machine number is 22G.
The width of a polished blank of the dyed fabric is 195cm, and the gram weight of the polished blank is 260g/m2。
The surface yarn adopts 30S T/C combed siro spinning yarn with the cotton-polyester ratio of 65/35, and the used yarn length is 44.5cm/100 needles; the ground yarn is 75D terylene low stretch yarn, and the used yarn length is 33.5cm/100 needles; the backing yarn is 14S T/C carded yarn with the cotton-polyester ratio of 55/45, and the yarn length is 20cm/100 needles.
The pretreatment steps of the invention are as follows: feeding the plated lining fabric grey cloth into a dye vat, adding water, and mixing according to a bath ratio of 1: 40; heating to 80 ℃ at the speed of 3 ℃/min, and then adding hydrogen peroxide, a scouring agent, an alkali-resistant penetrating agent and soda ash, wherein the adding amount of the hydrogen peroxide is as follows: the mass of hydrogen peroxide/volume of water in the dye vat =6g/L, and the addition amount of scouring agent is: the mass of the scouring agent per volume of water in the dye vat =2g/L, and the addition amount of the alkali-resistant penetrating agent is as follows: the mass of the alkali-resistant penetrant/volume of water in the dye vat =2g/L, and the addition amount of the soda ash is: soda ash mass/volume of water in dye vat = 10 g/L; then heating to 85 ℃, and adding hydrogen peroxide, wherein the adding amount of the hydrogen peroxide is as follows: the quality of hydrogen peroxide/volume of water in the dye vat is =1.5g/L, the temperature is kept for 60min, and then the dye vat is cleaned by hot water at 80 ℃, then cleaned by warm water at 50 ℃ and then cleaned by cold water at 25 ℃.
The dyeing steps of the invention are as follows: water at 50 ℃ was added to the dye vat according to a 1: a bath ratio of 30; heating to 135 ℃ at the speed of 3 ℃/min, and then adding a disperse dye, glacial acetic acid and a high-temperature leveling agent, wherein the adding amount of the disperse dye is as follows: the mass of the disperse dye/the mass of the grey cloth in the dye vat is =1.1%, and the adding amount of glacial acetic acid is as follows: glacial acetic acid mass/volume of water in the dye vat =0.5g/L, and the amount of high temperature levelling agent added is: mass of high temperature leveling agent/volume of water in dye vat =1.5 g/L; then preserving heat for 60min, finally cooling to 85 ℃, and then adding an alkaline reducing cleaning agent and glacial acetic acid, wherein the adding amount of the alkaline reducing cleaning agent is as follows: the mass of the alkaline reducing cleaning agent per volume of the dye liquor in the dye vat is =0.5g/L, and the adding amount of glacial acetic acid is as follows: glacial acetic acid mass/dye liquor volume in the dye vat =1g/L, then cleaning for 20min, and discharging liquor; then adding water again according to the proportion of 1: 30 ℃ at a bath ratio of 1 ℃/min, heating to 60 ℃, preserving heat for 20min, washing with water, adding water according to a ratio of 1: 20, adding reactive dye, anhydrous sodium sulphate and sodium carbonate, wherein the adding amount of the reactive dye is as follows: the mass of the reactive dye/the mass of the grey cloth in the dye vat is =1.5%, and the addition amount of the anhydrous sodium sulphate is as follows: the mass of anhydrous sodium sulphate/volume of water in the dye vat =15g/L, and the addition amount of soda ash is: the mass of the calcined soda/volume of water in the dye vat is =6g/L, and the water is washed after the temperature is preserved for 50 min.
The post-finishing steps of the invention are as follows: adding water into a dye vat, adding liquid wax for softening, wherein the adding amount of the liquid wax is as follows: the mass of liquid wax/volume of water in the dye vat is =0.5g/L, and the softening time is 15 min; then according to the bath ratio of 1: 50, adding water, and then adding a soaping agent, wherein the adding amount of the soaping agent is as follows: and (3) heating the soaping agent mass/volume of water in the dye vat to 95 ℃, draining after 15min of treatment, washing once, draining, dewatering and drying.
In the weaving process of the first step, the number of yarn winding turns on the yarn storage device is controlled within 20-30 turns, and the number of yarn winding turns on each yarn storage device is consistent; the yarn feeding tension is controlled to be 4-5 c N.
Compared with the prior art, the invention has the following advantages and effects: the plaiting liner has a weave structure which is a plaiting liner weave and consists of raw materials in different proportions, the weft plain weave fabric on the surface of the fabric is uniform, the fabric surface is flat, smooth and clean, the friction force is small, and the wet rubbing color fastness is good. Before dark color dyeing is carried out, certain pretreatment is adopted, impurities, sizing agents and the like are removed, the surface of cotton is smooth and clean, the whiteness of the fabric is increased, the coloring and color fastness of the dye are improved in the dyeing process, and the final color fastness of the fabric dyed in the dark color after the pretreatment can reach 4 grade at most and is superior to that of other dark color fabrics on the market.
Drawings
Fig. 1 is a structural view of a knitted fabric according to example 1 of the present invention.
Fig. 2 is a knitting pattern of a knitted fabric according to example 1 of the present invention.
Fig. 3 is a needle arrangement view of the knitted fabric of embodiment 1 of the present invention.
Fig. 4 is a triangular layout view of a knitted fabric according to embodiment 1 of the present invention.
FIG. 5 is a flow chart of the dyeing process of embodiment 1 of the present invention.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Example 1:
the production method of the dark knitwear with high color fastness to washing in the embodiment comprises the following steps:
the knitting fabric has the weave structure of plated backing fabric, the weft plain stitch structure on the surface, uniform fabric, flat and smooth cloth surface, small friction force and good wet friction color fastness. The plaiting lining structure has ground structure comprising ground yarn and surface yarn and one non-circular lining yarn, and has three knitting systems in the yarn laying ratio of 1: 3, the knitting structure has better softness, certain slippage exists between the coils, and dye permeation is facilitated. The veil adopts a softer combed siro spinning yarn with 30S T/C and 65/35 cotton-polyester ratio, and the used yarn length is 44.5cm/100 needles; the ground yarn is 75D terylene low stretch yarn, and the used yarn length is 33.5cm/100 needles; the lining yarn is 14S T/C thick carded yarn with the cotton-polyester ratio of 55/45, the yarn length is 20cm/100 needles, the fabric with good tightness is woven according to the yarn length ratio, and the color fastness of the fabric is improved to a certain degree.
The specific operation steps are as follows:
(1) spooling: processing the three yarns into cheese on a winding machine respectively for a circular knitting machine;
(2) weaving: knitting plating liner weave fabric by using a single-side multi-needle-track circular knitting machine, wherein the machine parameters are as follows: diameter 34 inches, machine number 22G; the knitting needles are arranged in the needle cylinder according to a group of three needle heel heights A, B, C;
the number of turns of the winding yarn on the yarn storage device is controlled within 20-30 turns, the number of turns of the winding yarn on each yarn storage device is consistent, and the phenomenon that the cloth cover is provided with transverse strips due to uneven tension is avoided. The yarn feeding tension is controlled to be about 4-5 c N, a tensiometer is used for complete detection once during the yarn feeding, the tension is ensured to be large and uniform, the tension is not uniform, the cloth surface is easy to have horizontal stripes, and the elasticity is weakened due to overlarge tension.
Step two, carrying out dark color dyeing on the plaited lining stitch fabric gray fabric after weaving, and specifically comprising the following operation steps:
(1) the cotton fiber in the cotton-polyester blended knitted fabric directly influences the hand feeling and the dyeing performance of the fabric due to the impurities such as waxy substances, nitrogen-containing substances, pigments and the like, so that the impurities need to be removed by pretreatment before dyeing; in this embodiment, the impurities are treated with hydrogen peroxide in the pretreatment, and the pretreatment comprises the following steps: feeding the plated lining fabric grey cloth into a dye vat, adding water, and mixing according to a bath ratio of 1: 40; heating to 80 ℃ at the speed of 3 ℃/min, and then adding hydrogen peroxide, a scouring agent, an alkali-resistant penetrating agent and soda ash, wherein the adding amount of the hydrogen peroxide is as follows: the mass of hydrogen peroxide/volume of water in the dye vat =6g/L, and the addition amount of scouring agent is: the mass of the scouring agent per volume of water in the dye vat =2g/L, and the addition amount of the alkali-resistant penetrating agent is as follows: the mass of the alkali-resistant penetrant/volume of water in the dye vat =2g/L, and the addition amount of the soda ash is: soda ash mass/volume of water in dye vat = 10 g/L; then heating to 85 ℃, and adding hydrogen peroxide, wherein the adding amount of the hydrogen peroxide is as follows: the quality of hydrogen peroxide/volume of water in the dye vat is =1.5g/L, the temperature is kept for 60min, and then the dye vat is cleaned by hot water at 80 ℃, then cleaned by warm water at 50 ℃ and then cleaned by cold water at 25 ℃.
Impurities, sizing agents and the like on the surface of the fabric are removed through pretreatment, so that the subsequent dyeing and coloring processes are facilitated, and the color fastness to washing of the fabric dyed in a dark color can reach 3-4 levels after the pretreatment.
(2) Dyeing: water at 50 ℃ was added to the dye vat according to a 1: a bath ratio of 30; heating to 135 ℃ at the speed of 3 ℃/min, and then adding a disperse dye, glacial acetic acid and a high-temperature leveling agent, wherein the adding amount of the disperse dye is as follows: the mass of the disperse dye/the mass of the grey cloth in the dye vat is =1.1%, and the adding amount of glacial acetic acid is as follows: glacial acetic acid mass/volume of water in the dye vat =0.5g/L, and the amount of high temperature levelling agent added is: mass of high temperature leveling agent/volume of water in dye vat =1.5 g/L; then preserving heat for 60min, finally cooling to 85 ℃, and then adding an alkaline reducing cleaning agent and glacial acetic acid, wherein the adding amount of the alkaline reducing cleaning agent is as follows: the mass of the alkaline reducing cleaning agent per volume of the dye liquor in the dye vat is =0.5g/L, and the adding amount of glacial acetic acid is as follows: glacial acetic acid mass/dye liquor volume in the dye vat =1g/L, then cleaning for 20min, and discharging liquor; then adding water again according to the proportion of 1: 30 ℃ at a bath ratio of 1 ℃/min, heating to 60 ℃, preserving heat for 20min, washing with water, adding water according to a ratio of 1: 20, adding reactive dye, anhydrous sodium sulphate and sodium carbonate, wherein the adding amount of the reactive dye is as follows: the mass of the reactive dye/the mass of the grey cloth in the dye vat is =1.5%, and the addition amount of the anhydrous sodium sulphate is as follows: the mass of anhydrous sodium sulphate/volume of water in the dye vat =15g/L, and the addition amount of soda ash is: the mass of the calcined soda/volume of water in the dye vat is =6g/L, and the water is washed after the temperature is preserved for 50 min.
The width of the polished blank of the dyed fabric is 195cm, and the gram weight of the polished blank is 260g/m2。
(3) And (3) after finishing: adding water into a dye vat, adding liquid wax for softening, wherein the adding amount of the liquid wax is as follows: the mass of liquid wax/volume of water in the dye vat is =0.5g/L, and the softening time is 15 min; then according to the bath ratio of 1: 50, adding water, and then adding a soaping agent, wherein the adding amount of the soaping agent is as follows: and (3) heating the soaping agent mass/volume of water in the dye vat to 95 ℃, draining after 15min of treatment, washing once, draining, dewatering and drying.
The dyeing water is soft water, otherwise, the color light and the leveling property of the product are influenced.
The weave structure of the fabric influences the smoothness of the surface of the fabric, and the smoothness determines the friction force applied in a friction test, so that the friction fastness is influenced, and for the fabric with the same yarn count density, the friction fastness is as follows: the weft plain weave has the rib weave has the double-sided weave, the front side of the weft plain weave fabric is even, the cloth cover is smooth and clean, the friction force is small, the wet rubbing color fastness is good, and the two sides of the double-back side weave fabric have the appearance of the back side of the weft plain weave, the unevenness is obvious, the roughness is high, the friction force is large, and the wet rubbing color fastness is poor. And the fiber is pretreated, and the fiber is prepared by removing impurities, degreasing, washing, drying and finishing the raw cotton, so that a large amount of hydroxyl on the surface of the cotton fiber is exposed and can be combined with the dye through the chemical bond action, and the bonding strength between the dye and the fiber is improved.
Example 2:
the content of the embodiment is basically the same as that of the embodiment 1, the content of the same parts is not repeated, and the difference of the embodiment 1 is that when the fabric is knitted, 30S 60/40CVC combed siro-spun yarn is adopted as the surface yarn, the used yarn length is 44cm/100 needles, 75D terylene low stretch yarn is adopted as the ground yarn, the used yarn length is 33.5cm/100 needles, 14S 75/25CVC carded yarn is adopted as the backing yarn, the used yarn length is 19.5cm/100 needles, the fabric with better compactness is knitted according to the yarn length proportion, and the color fastness of the fabric is improved to a certain degree. The liner ratio of the liner structure was 1: 2.
example 3:
the content of the embodiment is basically the same as that of the embodiment 1, the content of the same parts is not repeated, and the difference of the embodiment 1 is that when the fabric is knitted, 30S 60/40CVC combed siro-spun yarn is adopted as the surface yarn, the used yarn length is 44cm/100 needles, 75D terylene low stretch yarn is adopted as the ground yarn, the used yarn length is 33.5cm/100 needles, 14S 75/25CVC carded yarn is adopted as the backing yarn, and the used yarn length is 19.5cm/100 needles, so that the fabric with better compactness is knitted according to the yarn length proportion, and the dyeing fastness of the fabric is improved to a certain degree. The liner ratio of the liner structure was 1: 1.
in addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. Equivalent or simple changes in the structure, characteristics and principles of the invention are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (9)
1. A production method of deep-color knitwear with high color fastness to washing is characterized by comprising the following steps: the method comprises the following steps:
step one, the texture structure of the knitwear is plating lining texture, the ground texture surface yarn adopts combed siro spinning yarn, the ground yarn adopts polyester low stretch yarn, and the lining yarn adopts carded yarn; the specific operation steps are as follows:
(1) spooling: processing the three yarns into cheese on a winding machine respectively for a circular knitting machine;
(2) weaving: knitting plating liner weave fabric by a circular knitting machine, wherein knitting needles are arranged in a needle cylinder according to a group of three needle heel heights A, B, C;
step two, carrying out dark color dyeing on the plaited lining stitch fabric gray fabric after weaving, and specifically comprising the following operation steps:
(1) pretreatment: feeding the plaited lining fabric grey cloth into a dye vat according to a bath ratio of 1: 40 adding water, heating to 78-82 ℃ at the speed of 2.8-3.2 ℃/min, then adding hydrogen peroxide, a refining agent, an alkali-resistant penetrating agent and soda ash, wherein the adding amount of the hydrogen peroxide is as follows: the mass of hydrogen peroxide/volume of water in the dye vat is 5-7g/L, and the adding amount of the scouring agent is as follows: the mass of the scouring agent per volume of water in the dye vat =1.9-2.1g/L, and the addition amount of the alkali-resistant penetrating agent is as follows: the mass of the alkali-resistant penetrating agent per volume of water in the dye vat is =1.9-2.1g/L, and the addition amount of the soda ash is as follows: the mass of the soda ash per volume of water in the dye vat is =9-11 g/L; then heating to 83-87 ℃, and adding hydrogen peroxide, wherein the adding amount of the hydrogen peroxide is as follows: the quality of hydrogen peroxide/volume of water in the dye vat is =1-2g/L, the temperature is kept for 58-62min, then the hydrogen peroxide is cleaned by hot water at 78-82 ℃, then the hydrogen peroxide is cleaned by warm water at 48-52 ℃, and then the hydrogen peroxide is cleaned by cold water at 23-27 ℃;
(2) dyeing: adding water with the temperature of 48-52 ℃ into a dye vat according to the proportion of 1: a bath ratio of 30; heating to 130-140 ℃ at the speed of 2.5-3.5 ℃/min, and then adding a disperse dye, glacial acetic acid and a high-temperature leveling agent, wherein the adding amount of the disperse dye is as follows: the mass of the disperse dye/the mass of the grey cloth in the dye vat is =1% -1.2%, and the adding amount of glacial acetic acid is as follows: the mass of glacial acetic acid/volume of water in the dye vat = 0.45-0.55g/L, and the addition amount of the high-temperature leveling agent is as follows: the mass of the high-temperature leveling agent/volume of water in the dye vat is = 1.3-1.7 g/L; then preserving heat for 58-62min, finally cooling to 83-87 ℃, and then adding an alkaline reducing cleaning agent and glacial acetic acid, wherein the adding amount of the alkaline reducing cleaning agent is as follows: the mass of the alkaline reducing cleaning agent per volume of the dye solution in the dye vat is = 0.45-0.55g/L, and the adding amount of glacial acetic acid is as follows: glacial acetic acid mass/dye liquor volume in the dye vat =0.8-1.2g/L, then cleaning for 28-22min, and discharging liquor; then adding water again according to the proportion of 1: a bath ratio of 30; heating to 58-62 ℃ at the speed of 0.8-1.2 ℃/min, preserving heat for 18-22min, washing with water, adding water according to the proportion of 1: a bath ratio of 20; then adding reactive dye, anhydrous sodium sulphate and sodium carbonate, wherein the adding amount of the reactive dye is as follows: the mass of the reactive dye/the mass of the grey cloth in the dye vat is =1.2-1.7%, and the addition amount of the anhydrous sodium sulphate is as follows: the mass of anhydrous sodium sulphate/volume of water in the dye vat =13-17g/L, and the addition amount of soda ash is: the mass of the soda/volume of water in the dye vat is = 5-7g/L, and then the water is washed after the heat preservation is carried out for 40-60 min;
(3) and (3) after finishing: adding water into a dye vat according to the proportion of 1: a bath ratio of 30; adding liquid wax for softening, wherein the adding amount of the liquid wax is as follows: the mass of liquid wax/volume of water in the dye vat is = 0.3-0.7g/L, and the softening time is 10-20 min; then according to the bath ratio of 1: 50, adding water, and then adding a soaping agent, wherein the adding amount of the soaping agent is as follows: the mass of the soaping agent/volume of water in the dye vat is = 1.8-2.2g/L, the temperature is raised to 90-100 ℃, the water is drained after the treatment for 13-17min, the water is washed once, and then the water is drained, and the drying is carried out after the dehydration.
2. The method for producing dark knitwear with high color fastness to washing according to claim 1, characterized in that: the plaiting liner structure has the ground structure formed by the plain stitch plaiting structure formed by the ground yarn and the face yarn and an unrelaced liner yarn, a complete course is formed by three knitting systems, and the padding ratio of the liner structure is 1: 1-1: 3.
3. the method for producing dark knitwear with high color fastness to washing according to claim 1, characterized in that: the knitting is carried out by using a single-side multi-needle track circular knitting machine with the machine number of 22G.
4. The method for producing dark knitwear with high color fastness to washing according to claim 1, characterized in that: the width of the polished blank of the dyed fabric is 195cm, and the gram weight of the polished blank is 260g/m2。
5. The method for producing dark knitwear with high color fastness to washing according to claim 1, characterized in that: the veil adopts 30S 65/35T/C combing siro spinning yarn, and the used yarn length is 44.5cm/100 needles; the ground yarn is 75D terylene low stretch yarn, and the used yarn length is 33.5cm/100 needles; the backing yarn is 14S 55/45T/C carded yarn with length of 20cm/100 needles.
6. The method for producing dark knitwear with high color fastness to washing according to claim 1, characterized in that: the pretreatment steps are as follows: feeding the plated lining fabric grey cloth into a dye vat, adding water, and mixing according to a bath ratio of 1: 40; heating to 80 ℃ at the speed of 3 ℃/min, and then adding hydrogen peroxide, a scouring agent, an alkali-resistant penetrating agent and soda ash, wherein the adding amount of the hydrogen peroxide is as follows: the mass of hydrogen peroxide/volume of water in the dye vat =6g/L, and the addition amount of scouring agent is: the mass of the scouring agent per volume of water in the dye vat =2g/L, and the addition amount of the alkali-resistant penetrating agent is as follows: the mass of the alkali-resistant penetrant/volume of water in the dye vat =2g/L, and the addition amount of the soda ash is: soda ash mass/volume of water in dye vat = 10 g/L; then heating to 85 ℃, and adding hydrogen peroxide, wherein the adding amount of the hydrogen peroxide is as follows: the quality of hydrogen peroxide/volume of water in the dye vat is =1.5g/L, the temperature is kept for 60min, and then the dye vat is cleaned by hot water at 80 ℃, then cleaned by warm water at 50 ℃ and then cleaned by cold water at 25 ℃.
7. The method for producing dark knitwear with high color fastness to washing according to claim 1, characterized in that: the dyeing steps are as follows: water at 50 ℃ was added to the dye vat according to a 1: a bath ratio of 30; heating to 135 ℃ at the speed of 3 ℃/min, and then adding a disperse dye, glacial acetic acid and a high-temperature leveling agent, wherein the adding amount of the disperse dye is as follows: the mass of the disperse dye/the mass of the grey cloth in the dye vat is =1.1%, and the adding amount of glacial acetic acid is as follows: glacial acetic acid mass/volume of water in the dye vat =0.5g/L, and the amount of high temperature levelling agent added is: mass of high temperature leveling agent/volume of water in dye vat =1.5 g/L; then preserving heat for 60min, finally cooling to 85 ℃, and then adding an alkaline reducing cleaning agent and glacial acetic acid, wherein the adding amount of the alkaline reducing cleaning agent is as follows: the mass of the alkaline reducing cleaning agent per volume of the dye liquor in the dye vat is =0.5g/L, and the adding amount of glacial acetic acid is as follows: glacial acetic acid mass/dye liquor volume in the dye vat =1g/L, then cleaning for 20min, and discharging liquor; then adding water again according to the proportion of 1: 30 ℃ at a bath ratio of 1 ℃/min, heating to 60 ℃, preserving heat for 20min, washing with water, adding water according to a ratio of 1: 20, adding reactive dye, anhydrous sodium sulphate and sodium carbonate, wherein the adding amount of the reactive dye is as follows: the mass of the reactive dye/the mass of the grey cloth in the dye vat is =1.5%, and the addition amount of the anhydrous sodium sulphate is as follows: the mass of anhydrous sodium sulphate/volume of water in the dye vat =15g/L, and the addition amount of soda ash is: the mass of the calcined soda/volume of water in the dye vat is =6g/L, and the water is washed after the temperature is preserved for 50 min.
8. The method for producing dark knitwear with high color fastness to washing according to claim 1, characterized in that: the post-finishing steps are as follows: adding water into a dye vat according to the proportion of 1: a bath ratio of 30; adding liquid wax for softening, wherein the adding amount of the liquid wax is as follows: the mass of liquid wax/volume of water in the dye vat is =0.5g/L, and the softening time is 15 min; then according to the bath ratio of 1: 50, adding water, and then adding a soaping agent, wherein the adding amount of the soaping agent is as follows: and (3) heating the soaping agent mass/volume of water in the dye vat to 95 ℃, draining after 15min of treatment, washing once, draining, dewatering and drying.
9. The method for producing dark knitwear with high color fastness to washing according to claim 1, characterized in that: in the weaving process of the first step, the number of yarn winding turns on the yarn storage device is controlled within 20-30 turns, and the number of yarn winding turns on each yarn storage device is consistent; the yarn feeding tension is controlled to be 4-5 c N.
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