CN111778711A - Production process for solving oxidative yellowing of jean shirts - Google Patents
Production process for solving oxidative yellowing of jean shirts Download PDFInfo
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- CN111778711A CN111778711A CN202010535107.1A CN202010535107A CN111778711A CN 111778711 A CN111778711 A CN 111778711A CN 202010535107 A CN202010535107 A CN 202010535107A CN 111778711 A CN111778711 A CN 111778711A
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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
- D06L4/20—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen
- D06L4/22—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents
- D06L4/23—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using hypohalogenites
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41B—SHIRTS; UNDERWEAR; BABY LINEN; HANDKERCHIEFS
- A41B1/00—Shirts
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H42/00—Multi-step production lines for making clothes
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B35/00—Work-feeding or -handling elements not otherwise provided for
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F71/00—Apparatus for hot-pressing clothes, linen or other textile articles, i.e. wherein there is substantially no relative movement between pressing element and article while pressure is being applied to the article; Similar machines for cold-pressing clothes, linen or other textile articles
- D06F71/18—Apparatus for hot-pressing clothes, linen or other textile articles, i.e. wherein there is substantially no relative movement between pressing element and article while pressure is being applied to the article; Similar machines for cold-pressing clothes, linen or other textile articles specially adapted for pressing particular garments or parts thereof
- D06F71/20—Apparatus for hot-pressing clothes, linen or other textile articles, i.e. wherein there is substantially no relative movement between pressing element and article while pressure is being applied to the article; Similar machines for cold-pressing clothes, linen or other textile articles specially adapted for pressing particular garments or parts thereof for pressing shirts
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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
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/12—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using aqueous solvents
- D06L1/16—Multi-step processes
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- 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
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- 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
- D06M13/46—Compounds containing quaternary nitrogen atoms
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- 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
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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
- D06P1/22—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 vat dyestuffs including indigo
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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
- 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
- D06P5/06—After-treatment with organic compounds containing nitrogen
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Treatment Of Fiber Materials (AREA)
- Coloring (AREA)
Abstract
The invention relates to the technical field of spinning, in particular to a production process for solving the problem of oxidative yellowing of a jean shirt. The production process for solving the problem of oxidative yellowing of the denim shirt comprises cutting, sewing, chlorine bleaching anti-oxidation washing, ironing and packaging, wherein the chlorine bleaching anti-oxidation washing comprises soaping, rinsing, sodium thiosulfate washing, pickling, dewatering and drying, and an anti-oxidation spraying step is added between pickling and dewatering and drying. According to the invention, the anti-yellowing performance of the jean shirt is obviously improved by adding the anti-oxidation spraying step between the pickling step and the dehydration drying step.
Description
Technical Field
The invention relates to the technical field of spinning, in particular to a production process for solving the problem of oxidative yellowing of a jean shirt.
Background
The denim fabric is formed by dyeing and weaving the indigo dye, and the indigo dye has the characteristics of no oxidation resistance and easy yellowing. The indigo is decomposed into yellowing products such as isatin and tannic acid under the action of nitrogen oxide/ozone and is continuously accumulated, and finally, the oxidation yellowing phenomenon occurs. Meanwhile, ozone is a very strong oxidant and decomposes dyes under the irradiation of light. At present, environmental changes caused by industrial waste gas and automobile exhaust, ozone, CO in air and the temperature and humidity of the air can generate fading effects on the indigo dye. The production process of the jeans wear is long, and a series of processes such as cutting, sewing, washing, drying, ironing, packaging and the like are carried out, wherein the whole process is that the jeans wear is exposed in the air, and the indigo dye of the jeans wear can be decomposed by nitrogen oxide and ozone in the air, so that the oxidation yellowing phenomenon is generated. Meanwhile, when equipment in a production workshop runs, the motor coil can generate ozone and can also oxidize jeans wear and fabrics exposed in the workshop, so that yellowing is generated.
Chinese patent CN102383301A discloses a production process of a polyester-cotton shirt lining, which sequentially comprises the following steps: A) spreading and sewing the fabric, B) cold bleaching, C) oxygen bleaching, D) drying, E) resin finishing, F) baking, G) powder point coating and H) glue powder curing. The patent firstly adopts cold bleaching and then oxygen bleaching, and aims to improve the whiteness, the hand feeling and the service life of the shirt.
Chinese patent CN103757879A discloses a production method of warm shirts, comprising the following steps: 1) performing liquid ammonia treatment on the shirt fabric; 2) making a thermal finishing agent; 3) padding the fabric in a dipping solution containing 55-60% of a warm-keeping finishing agent, wherein the pressure is 2-3 MPa, the liquid carrying rate is 77-79%, and after drying, keeping the temperature of the fabric at 120-130 ℃ for 2-3 hours; 4) drying, cutting and making clothes on the fabric; 5) and (3) ironing and shaping for 40-45 minutes at 125-130 ℃. The shirt produced by the patent has excellent warm-keeping and health-care effects and strong durability, and can still basically keep the original performance after being washed for many times.
The above patents do not disclose how to solve the problem that shirts are easy to yellow due to oxidation, so it is urgently needed to develop a production process for solving the problem that shirts are easy to yellow due to oxidation.
Disclosure of Invention
The invention aims to provide a production process for solving the problem of oxidative yellowing of a denim shirt, and the yellowing resistance of the denim shirt is obviously improved by adding an antioxidant spraying step.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the production process for solving the problem of oxidative yellowing of the denim shirt comprises cutting, sewing, chlorine bleaching anti-oxidation washing, ironing and packaging, wherein the chlorine bleaching anti-oxidation washing comprises soaping, rinsing, sodium thiosulfate washing, pickling, dewatering and drying, and an anti-oxidation spraying step is added between pickling and dewatering and drying.
Wherein:
the spraying agent adopted in the antioxidant spraying step comprises the following components: the spraying agent comprises 4-6 g of antioxidant compound agent, 2-3 g of HAC and the balance of water in terms of 1 liter of spraying agent. The pH value of the spraying agent is generally between 4.0 and 6.0.
The antioxidant compound agent is prepared from the following raw materials in percentage by weight:
antioxidant: 30-40% of quaternary ammonium salt compound KH-9;
antioxidant synergist: 10-20% of fatty acid condensate PERRUSTOL IPS;
emulsifier: aprosoft SNOW-2, balance.
The quaternary ammonium salt compound KH-9 is selected from products of Suzhou Casino chemical Co., Ltd;
the fatty acid condensate PERRUSTATOL IPS is selected from products of the Dow chemical industry (Dongguan) Co.Ltd;
the Aprosoft SNOW-2 is selected from products of Guangzhou Mitsu Biotech Co.
The preparation process of the antioxidant compounding agent is as follows: mixing the antioxidant and the antioxidant synergist at 30-40 ℃ for 20-30 min, adding the emulsifier, and emulsifying for 20-30 min.
The chlorine bleaching oxidation-prevention washing steps are as follows:
(1) soaping: preparing a soaping liquid according to the bath ratio of the denim shirt to water of 1: 50-85, adding 0.5-0.6 g of soaping agent into 1 liter of water, spraying the soaping liquid on the denim shirt after atomization, soaping for 10-15 min at 50-60 ℃, and draining;
(2) rinsing: adding the cowboy shirt obtained in the step (1) into water according to the using amount of the water in the step (1), adding sodium hypochlorite according to the proportion that 10-20 g of sodium hypochlorite is added into 1 liter of water, rinsing for 10-30 min at 50-55 ℃, taking out the cowboy shirt, carrying out color matching with a plate sample, continuously rinsing for 10-30 min when the color is not consistent, and draining after the color is consistent;
(3) sodium thiosulfate washing: adding the denim shirt obtained in the step (2) into water according to the using amount of the water in the step (1), adding sodium thiosulfate according to the proportion that 2-5 g of sodium thiosulfate is added into 1 liter of water, washing for 5-15 min at 40-55 ℃, and then draining;
(4) b, pickling: adding the denim shirt obtained in the step (3) into water according to the using amount of the water in the step (1), adding acetic acid according to the proportion of adding 0.1-0.2 g of acetic acid into 1 liter of water, washing for 5-15 min at the temperature of 40-55 ℃, and draining;
(5) antioxidant spraying: spraying a spraying agent on the surface of the jean shirt obtained in the step (4) at 50-55 ℃, and standing for 20-30 min after spraying; wherein the dosage ratio of the jeans shirt obtained in the step (4) to the spraying agent is 1: 10-15, the jeans shirt is measured in kg, and the spraying agent is measured in L;
(6) dewatering and drying: and (4) pre-drying the jean shirt obtained in the step (5) at the temperature of 60-65 ℃ for 5-10 min, and then drying with cold air for 30-40 min.
And (3) after the water is drained in the step (2), adding water according to the using amount of the water in the step (1), washing for 5-15 min at 40-55 ℃, and draining.
And (3) standing for 20-30 min in the step (5), adding the denim shirt into water according to the using amount of the water in the step (1), washing the denim shirt with water at the temperature of 40-55 ℃ for 5-15 min, and draining water.
The cutting comprises the following steps:
(1) cutting according to a color difference sample plate and color separation volume marks when the jean shirt fabric is sampled to obtain cut pieces;
(2) numbering the cut pieces, wherein the cut pieces of all parts of the same jeans shirt, namely the collar, the sleeve cap, the front piece, the rear piece, the shoulder and the sleeve piece are numbered identically;
(3) the numbered cut pieces are sealed and wrapped to prevent oxidation and discoloration.
The sewing method comprises the following steps:
(1) sewing all the parts of the same jeans shirt with the same number, namely the collar, the sleeve cap, the front piece, the rear piece, the shoulder pad and the sleeve piece together to form the jeans shirt;
(2) the sleeve heads of the jeans shirt are sewn with the collar, so that the jeans shirt is prevented from being twisted during chlorine bleaching and oxidation washing;
(3) the sewed jeans shirt is sealed and wrapped to prevent oxidation and discoloration.
The ironing temperature is 150-165 ℃ during ironing, and the ironing process comprises the steps of collar-placket-sleeve-cuff-back piece-bottom edge.
The packaging comprises the following steps:
(1) after the jean shirt is folded, the jean shirt is placed in a non-woven fabric bag without a backing plate;
(2) and (5) carrying out transportation in a dark place to finish the whole production process.
The invention has the following beneficial effects:
in the preparation process of the antioxidant compound agent, the quaternary ammonium salt compound KH-9 and the fatty acid condensation compound PERUSTOLIPS are firstly mixed and then uniformly dispersed under the action of the emulsifier. The quaternary ammonium salt compound KH-9 and the fatty acid condensation compound PERUSTOL IPS both belong to cationic additives, through compounding, oxygen in the fatty acid condensation compound PERUSTOL IPS and hydrogen in the quaternary ammonium salt compound KH-9 form hydrogen bonds, nitrogen in the quaternary ammonium salt compound KH-9 and hydrogen in the fatty acid condensation compound PERUSTOLIPS form hydrogen bonds, and the bonding force between the two is enhanced. The antioxidant compound agent is prepared by adding the emulsifier and then uniformly dispersing. When the spraying agent is used, the antioxidant compound agent is prepared into the spraying agent and sprayed on the surface of the denim shirt, and the quaternary ammonium salt compound KH-9 and the fatty acid condensation compound PERRUSTOL IPS have strong binding force, and hydrogen bond action can be formed between the quaternary ammonium salt compound KH-9 and the fatty acid condensation compound PERRUSTOL IPS and the indigo dye to surround the indigo dye molecules, so that the indigo dye on the surface of the denim shirt is prevented from being oxidized, the yellowing resistance of the denim shirt is improved, and the dosage of the antioxidant compound agent is small.
According to the invention, the anti-yellowing performance of the jean shirt is obviously improved by adding the anti-oxidation spraying step between the pickling step and the dehydration drying step.
Detailed Description
The present invention is further described below with reference to examples.
Example 1
The production process of the jean shirt with the gram weight of 60 g/square meter comprises the following steps:
cutting
(1) According to the color difference sample plate and the color separation roll number A when the jean shirt fabric is sampled, a cutting scheme is made, and cutting is carried out to obtain cut pieces;
(2) numbering the cut pieces in sequence, wherein the numbers are from 00001 to 00070, and all the cut pieces of the same jeans shirt, namely the collar, the sleeve cap, the front piece, the rear piece, the over shoulder and the sleeve piece, are of the same number, such as 00001 collar, 00001 sleeve cap, 00001 front piece, 00001 rear piece, 00001 over shoulder and 00001 sleeve piece;
(3) the numbered cut pieces are sealed and wrapped by airtight plastic bags to prevent oxidation and discoloration.
(II) sewing
The jean shirt fabric is the same-roll fabric, color difference does not exist, and sewing is performed according to the serial number.
(1) Sewing all the component cut pieces of the same jeans shirt with the same number, namely a 00001 collar, a 00001 sleeve cap, a 00001 front piece, a 00001 rear piece, a 00001 over shoulder and a 00001 sleeve piece together to form the jeans shirt;
(2) the sleeve heads of the jeans shirt are sewn with the collar, so that the jeans shirt is prevented from being twisted during chlorine bleaching and oxidation washing;
(3) the sewed jeans shirt is sealed and wrapped by airtight plastic bags in time to prevent oxidation and discoloration.
Chlorine bleaching oxidation-proof washing
(1) Soaping: adding 25kg of jean shirt into 1250L of water, adding 0.5g of soaping agent into 1L of water to prepare soaping liquid, spraying the soaping liquid on the jean shirt after atomization, soaping for 10min at 50 ℃, and draining;
(2) rinsing: adding the cowboy shirt obtained in the step (1) into 1250L of water, adding 12.5kg of sodium hypochlorite, rinsing for 20min at 50 ℃, taking out the cowboy shirt, carrying out color matching with the plate sample, continuously rinsing for 20min when the color is not consistent, and draining after the color is consistent; after draining, adding the jeans shirt into 1250L of water again, washing for 10min at 50 ℃, and draining;
(3) sodium thiosulfate washing: adding the jean shirt obtained in the step (2) into 1250L of water, adding 2.5kg of sodium thiosulfate, washing for 10min at 50 ℃, and then draining;
(4) b, pickling: adding the jean shirt obtained in the step (3) into 1250L of water, adding 250g of acetic acid, washing for 10min at 50 ℃, and then draining;
(5) antioxidant spraying:
spraying a spraying agent on the surface of the denim shirt obtained in the step (4) at 50 ℃, wherein the using amount ratio of the denim shirt to the spraying agent is 1:10, the denim shirt is measured in kg, and the spraying agent is measured in L; standing for 25min after spraying, then adding the jeans shirt into 1250L water, washing for 10min at 50 ℃, and draining; wherein the spraying agent comprises the following components: based on 1 liter of spraying agent, the spraying agent contains 5g of antioxidant compound agent, 2.5g of HAC and the balance of water; the preparation process of the antioxidant compound agent is as follows: mixing 1.5g quaternary ammonium salt compound KH-9 and 1.0g fatty acid condensate PERUSTOL IPS at 35 deg.C for 25min, adding 2.5g emulsifier Aprosoft SNOW-2, and emulsifying for 25min to obtain the final product;
(6) dewatering and drying: and (5) pre-drying the jean shirt obtained in the step (5) at 60 ℃ for 5min, and then drying the jean shirt with cold air for 30 min.
(IV) ironing
Ironing according to the flow from collar to placket to sleeve head to back piece to bottom edge; the temperature of the iron is 150 ℃ during ironing, and the appearance of the jean shirt is flat after ironing.
(V) packaging
(1) After the jean shirt is folded, the jean shirt is placed in a non-woven fabric bag without a backing plate;
(2) and (5) carrying out transportation in a dark place to finish the whole production process.
Example 2
The production process of the jean shirt with the gram weight of 90 g/square meter comprises the following steps:
cutting
(1) According to the color difference sample plate and the color separation volume number B when the jean shirt fabric is sampled, a cutting scheme is made, and cutting is carried out to obtain cut pieces;
(2) the cut pieces are numbered in sequence, the number is 00071-00121, and all the cut pieces of the same cowboy shirt, namely, the collar, the sleeve heads, the front piece, the rear piece, the shoulder-crossing piece and the sleeve piece are numbered in the same way, such as 00071 collar, 00071 sleeve heads, 00071 front piece, 00071 rear piece, 00071 shoulder-crossing piece and 00071 sleeve piece;
(3) the numbered cut pieces are sealed and wrapped by airtight plastic bags to prevent oxidation and discoloration.
(II) sewing
The jean shirt fabric is the same-roll fabric, color difference does not exist, and sewing is performed according to the serial number.
(1) Sewing all the parts of the same jeans shirt with the same number, namely 00071 collar, 00071 sleeve head, 00071 front piece, 00071 rear piece, 00071 over shoulder and 00071 sleeve piece together to form the jeans shirt;
(2) the sleeve heads of the jeans shirt are sewn with the collar, so that the jeans shirt is prevented from being twisted during chlorine bleaching and oxidation washing;
(3) the sewed jeans shirt is sealed and wrapped by airtight plastic bags in time to prevent oxidation and discoloration.
Chlorine bleaching oxidation-proof washing
(1) Soaping: adding 30kg of jean shirt into 1500L of water, adding 0.6g of soaping agent into 1L of water to prepare soaping liquid, spraying the soaping liquid on the jean shirt after atomization, soaping for 15min at 50 ℃, and draining;
(2) rinsing: adding the cowboy shirt obtained in the step (1) into 1500L of water, adding 15kg of sodium hypochlorite, rinsing for 20min at 55 ℃, taking out the cowboy shirt, carrying out color matching with the plate sample, continuously rinsing for 20min when the color is not consistent, and draining after the color is consistent; after draining, the jeans shirt is added into 1500L of water again, washed for 10min at the temperature of 55 ℃ and drained;
(3) sodium thiosulfate washing: adding the jean shirt obtained in the step (2) into 1500L of water, adding 3kg of sodium thiosulfate, washing for 10min at 55 ℃, and then draining;
(4) b, pickling: adding the jean shirt obtained in the step (3) into 1500L of water, adding 280g of acetic acid, washing for 10min at 50 ℃, and then draining;
(5) antioxidant spraying:
spraying a spraying agent on the surface of the denim shirt obtained in the step (4) at 55 ℃, wherein the using amount ratio of the denim shirt to the spraying agent is 1:12, the denim shirt is measured in kg, and the spraying agent is measured in L; standing for 20min after spraying, then adding the jeans shirt into 1500L water, washing for 15min at 55 ℃, and draining; wherein the spraying agent comprises the following components: based on 1 liter of spraying agent, the spraying agent contains 6g of antioxidant compounding agent, 2g of HAC and the balance of water; the preparation process of the antioxidant compound agent is as follows: mixing 2.4g quaternary ammonium salt compound KH-9 and 0.9g fatty acid condensate PERUSTOL IPS at 35 deg.C for 25min, adding 2.7g emulsifier AprosoftSNOW-2, and emulsifying for 20min to obtain the final product;
(6) dewatering and drying: and (5) pre-drying the jean shirt obtained in the step (5) at 60 ℃ for 5min, and then drying by cooling air for 40 min.
(IV) ironing
Ironing according to the flow from collar to placket to sleeve head to back piece to bottom edge; the temperature of the iron is 155 ℃ during ironing, and the appearance of the jean shirt is flat after ironing.
(V) packaging
(1) After the jean shirt is folded, the jean shirt is placed in a non-woven fabric bag without a backing plate;
(2) and (5) carrying out transportation in a dark place to finish the whole production process.
Example 3
The production process of the jean shirt with the gram weight of 77 g/square meter comprises the following steps:
cutting
(1) According to the color difference sample plate and the color separation volume number C when the jean shirt fabric is sampled, a cutting scheme is made, and cutting is carried out to obtain cut pieces;
(2) numbering the cut pieces in sequence from 00122 to 00297, wherein all the cut pieces of the same cowboy shirt, namely the collar, the sleeve heads, the front piece, the rear piece, the shoulder-crossing piece and the sleeve pieces are numbered in the same sequence, such as 00122 collar, 00122 sleeve heads, 00122 front piece, 00122 rear piece, 00122 shoulder-crossing piece and 00122 sleeve pieces;
(3) the numbered cut pieces are sealed and wrapped by airtight plastic bags to prevent oxidation and discoloration.
(II) sewing
The jean shirt fabric is the same-roll fabric, color difference does not exist, and sewing is performed according to the serial number.
(1) Sewing all the component cutting pieces of the same jeans shirt with the same number, namely 00122 collar, 00122 sleeve cap, 00122 front piece, 00122 rear piece, 00122 shoulder-passing piece and 00122 sleeve piece together to form the jeans shirt;
(2) the sleeve heads of the jeans shirt are sewn with the collar, so that the jeans shirt is prevented from being twisted during chlorine bleaching and oxidation washing;
(3) the sewed jeans shirt is sealed and wrapped by airtight plastic bags in time to prevent oxidation and discoloration.
Chlorine bleaching oxidation-proof washing
(1) Soaping: adding 15kg of jean shirt into 800L of water, adding 0.525g of soaping agent into 1L of water to prepare soaping liquid, spraying the soaping liquid on the jean shirt after atomization, soaping for 10min at 50 ℃, and draining;
(2) rinsing: adding the denim shirt obtained in the step (1) into 800L of water, adding 8kg of sodium hypochlorite, rinsing for 15min at 50 ℃, taking out the denim shirt, carrying out color matching with the plate sample, continuously rinsing for 15min when the color is not consistent, and draining water after the color is consistent; after draining, the jeans shirt is added into 800L of water again, washed for 15min at 50 ℃ and drained;
(3) sodium thiosulfate washing: adding the denim shirt obtained in the step (2) into 800L of water, adding 2.4kg of sodium thiosulfate, washing for 15min at 50 ℃, and then draining;
(4) b, pickling: adding the jean shirt obtained in the step (3) into 800L of water, adding 120g of acetic acid, washing for 15min at 50 ℃, and then draining;
(5) antioxidant spraying:
spraying a spraying agent on the surface of the denim shirt obtained in the step (4) at 55 ℃, wherein the using amount ratio of the denim shirt to the spraying agent is 1:15, the denim shirt is measured in kg, and the spraying agent is measured in L; standing for 30min after spraying, then adding the jeans shirt into 800L of water, washing for 12min at 50 ℃, and then draining; wherein the spraying agent comprises the following components: based on 1 liter of spraying agent, the spraying agent contains 4g of antioxidant compounding agent, 3g of HAC and the balance of water; the preparation process of the antioxidant compound agent is as follows: mixing 1.4g quaternary ammonium salt compound KH-9 and 0.8g fatty acid condensate PERUSTOL IPS at 40 deg.C for 20min, adding 1.8g emulsifier AprosoftSNOW-2, and emulsifying for 30min to obtain the final product;
(6) dewatering and drying: and (5) pre-drying the jean shirt obtained in the step (5) at 60 ℃ for 5min, and then drying the jean shirt with cold air for 30 min.
(IV) ironing
Ironing according to the flow from collar to placket to sleeve head to back piece to bottom edge; the temperature of the iron is 160 ℃ during ironing, and the appearance of the jean shirt is flat after ironing.
(V) packaging
(1) After the jean shirt is folded, the jean shirt is placed in a non-woven fabric bag without a backing plate;
(2) and (5) carrying out transportation in a dark place to finish the whole production process.
Comparative example 1
The oxidation-resistant spraying step is not carried out in the chlorine bleaching oxidation-resistant washing process, and the rest steps are the same as the example 1.
Comparative example 2
The chlorine bleaching oxidation prevention washing process step (5) does not adopt a spraying mode, the jeans shirts are directly soaked in the spraying agent for washing, and the rest steps are the same as the example 1.
Comparative example 3
The procedure of preparation of the antioxidant combination was the same as in example 1 except that the quaternary ammonium compound KH-9 was not added.
Comparative example 4
The procedure for preparing the antioxidant combination is the same as in example 1 except that the fatty acid condensate PERRUSTATOL IPS is not added.
The performance of the jeans shirts of examples 1-3 was tested, and the test results are shown in table 1. T in the table represents the warp direction and W represents the weft direction.
Table 1 examples 1-3 table of performance test data
The cowboy shirts in the comparative examples 1-4 are subjected to performance tests, and the test results are shown in table 2. T in the table represents the warp direction and W represents the weft direction.
TABLE 2 comparative examples 1-4 Performance test data sheet
Comparing the data in table 1 and table 2, the jeans shirts of examples 1 to 3 have less change in the tear strength, breaking strength, slippage, formaldehyde, pH, water absorption, etc., but have greater difference in yellowing resistance, compared to the jeans shirts of comparative examples 1 to 4. The invention obviously improves the yellowing resistance of the jeans shirt by adding the anti-oxidation spraying step.
The reason is that the spraying agent adopts two auxiliary agents of the quaternary ammonium salt compound KH-9 and the fatty acid condensation compound PERUSTOLIPS, oxygen in the fatty acid condensation compound PERUSTOL IPS and hydrogen in the quaternary ammonium salt compound KH-9 form hydrogen bonds, nitrogen in the quaternary ammonium salt compound KH-9 and hydrogen in the fatty acid condensation compound PERUSTOL IPS form hydrogen bonds, and the combination effect of the two agents enhances the bonding force between the two agents. The antioxidant compound agent is prepared by adding the emulsifier and then uniformly dispersing. According to the invention, the spraying agent is sprayed on the surface of the denim shirt by adopting a spraying mode, and as the bonding force between the quaternary ammonium salt compound KH-9 and the fatty acid condensation compound PERRUSTOL IPS is strong, and hydrogen bond action can be formed between the quaternary ammonium salt compound KH-9 and the fatty acid condensation compound PERRUSTOL IPS and the indigo dye, the indigo dye molecules are surrounded, the indigo dye on the surface of the denim shirt is prevented from being oxidized, and meanwhile, the yellowing resistance of the denim shirt is improved.
Claims (10)
1. A production process for solving the problem of oxidative yellowing of a jean shirt comprises cutting, sewing, chlorine bleaching and oxidation prevention washing, ironing and packaging, wherein the chlorine bleaching and oxidation prevention washing comprises soaping, rinsing, sodium thiosulfate washing, pickling, and dehydration drying.
2. The production process for solving the oxidative yellowing of the denim shirt according to claim 1, which is characterized in that: the spraying agent adopted in the antioxidant spraying step comprises the following components: the spraying agent comprises 4-6 g of antioxidant compound agent, 2-3 g of HAC and the balance of water in terms of 1 liter of spraying agent.
3. The production process for solving the oxidative yellowing of the denim shirt according to claim 2, characterized in that: the antioxidant compound agent is prepared from the following raw materials in percentage by weight:
antioxidant: 30-40% of quaternary ammonium salt compound KH-9;
antioxidant synergist: 10-20% of fatty acid condensation compound PERRUSTOLIS;
emulsifier: aprosoft SNOW-2, balance.
4. The production process for solving the oxidative yellowing of the denim shirt according to claim 3, wherein: the preparation process of the antioxidant compounding agent is as follows: mixing the antioxidant and the antioxidant synergist at 30-40 ℃ for 20-30 min, adding the emulsifier, and emulsifying for 20-30 min.
5. The production process for solving the oxidative yellowing of the denim shirt according to claim 1, which is characterized in that: the chlorine bleaching oxidation-prevention washing steps are as follows:
(1) soaping: preparing a soaping liquid according to the bath ratio of the denim shirt to water of 1: 50-85, adding 0.5-0.6 g of soaping agent into 1 liter of water, spraying the soaping liquid on the denim shirt after atomization, soaping for 10-15 min at 50-60 ℃, and draining;
(2) rinsing: adding the cowboy shirt obtained in the step (1) into water according to the using amount of the water in the step (1), adding sodium hypochlorite according to the proportion that 10-20 g of sodium hypochlorite is added into 1 liter of water, rinsing for 10-30 min at 50-55 ℃, taking out the cowboy shirt, carrying out color matching with a plate sample, continuously rinsing for 10-30 min when the color is not consistent, and draining after the color is consistent;
(3) sodium thiosulfate washing: adding the denim shirt obtained in the step (2) into water according to the using amount of the water in the step (1), adding sodium thiosulfate according to the proportion that 2-5 g of sodium thiosulfate is added into 1 liter of water, washing for 5-15 min at 40-55 ℃, and then draining;
(4) b, pickling: adding the denim shirt obtained in the step (3) into water according to the using amount of the water in the step (1), adding acetic acid according to the proportion of adding 0.1-0.2 g of acetic acid into 1 liter of water, washing for 5-15 min at the temperature of 40-55 ℃, and draining;
(5) antioxidant spraying: spraying a spraying agent on the surface of the jean shirt obtained in the step (4) at 50-55 ℃, and standing for 20-30 min after spraying; wherein the dosage ratio of the jeans shirt obtained in the step (4) to the spraying agent is 1: 10-15, the jeans shirt is measured in kg, and the spraying agent is measured in L;
(6) dewatering and drying: and (4) pre-drying the jean shirt obtained in the step (5) at the temperature of 60-65 ℃ for 5-10 min, and then drying with cold air for 30-40 min.
6. The production process for solving the oxidative yellowing problem of the denim shirt according to claim 5, wherein the production process comprises the following steps: and (3) after the water is drained in the step (2), adding water according to the using amount of the water in the step (1), washing for 5-15 min at 40-55 ℃, and draining.
7. The production process for solving the oxidative yellowing problem of the denim shirt according to claim 5, wherein the production process comprises the following steps: and (3) standing for 20-30 min in the step (5), adding the denim shirt into water according to the using amount of the water in the step (1), washing the denim shirt with water at the temperature of 40-55 ℃ for 5-15 min, and draining water.
8. The production process for solving the oxidative yellowing of the denim shirt according to claim 1, which is characterized in that: the cutting comprises the following steps:
(1) cutting according to a color difference sample plate and color separation volume marks when the jean shirt fabric is sampled to obtain cut pieces;
(2) numbering the cut pieces, wherein the cut pieces of all parts of the same jeans shirt, namely the collar, the sleeve cap, the front piece, the rear piece, the shoulder and the sleeve piece are numbered identically;
(3) the numbered cut pieces are sealed and wrapped to prevent oxidation and discoloration.
9. The production process for solving the oxidative yellowing of the denim shirt according to claim 1, which is characterized in that: the sewing method comprises the following steps:
(1) sewing all the parts of the same jeans shirt with the same number, namely the collar, the sleeve cap, the front piece, the rear piece, the shoulder pad and the sleeve piece together to form the jeans shirt;
(2) the sleeve heads of the jeans shirt are sewn with the collar, so that the jeans shirt is prevented from being twisted during chlorine bleaching and oxidation washing;
(3) the sewed jeans shirt is sealed and wrapped to prevent oxidation and discoloration.
10. The production process for solving the oxidative yellowing of the denim shirt according to claim 1, which is characterized in that: the ironing temperature is 150-165 ℃ during ironing, and the ironing process comprises the steps of collar-placket-sleeve-cuff-back piece-bottom edge.
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| CN112626764A (en) * | 2020-12-01 | 2021-04-09 | 广东前进牛仔布有限公司 | Method for preventing denim fabric from yellowing |
| CN113652880A (en) * | 2021-08-16 | 2021-11-16 | 浙江鑫兰纺织有限公司 | Antioxidant production process of plant indigo-dyed jean fabric |
| CN113699782A (en) * | 2021-08-31 | 2021-11-26 | 金利来(中国)有限公司 | Jean product antioxidation process |
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| CN111778711B (en) | 2022-12-23 |
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