CN116856174A - Preparation method of warp knitting elastic fabric - Google Patents
Preparation method of warp knitting elastic fabric Download PDFInfo
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- CN116856174A CN116856174A CN202310832076.XA CN202310832076A CN116856174A CN 116856174 A CN116856174 A CN 116856174A CN 202310832076 A CN202310832076 A CN 202310832076A CN 116856174 A CN116856174 A CN 116856174A
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- 239000004744 fabric Substances 0.000 title claims abstract description 40
- 238000009940 knitting Methods 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 238000004061 bleaching Methods 0.000 claims abstract description 28
- 239000004753 textile Substances 0.000 claims abstract description 19
- 238000004043 dyeing Methods 0.000 claims abstract description 17
- 239000007844 bleaching agent Substances 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 238000009941 weaving Methods 0.000 claims abstract description 13
- 238000007493 shaping process Methods 0.000 claims abstract description 6
- 238000007598 dipping method Methods 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 70
- 108090000790 Enzymes Proteins 0.000 claims description 44
- 102000004190 Enzymes Human genes 0.000 claims description 44
- 229940088598 enzyme Drugs 0.000 claims description 44
- 238000011282 treatment Methods 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 238000002791 soaking Methods 0.000 claims description 28
- 238000004140 cleaning Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 18
- 230000001276 controlling effect Effects 0.000 claims description 17
- 239000008367 deionised water Substances 0.000 claims description 17
- 229910021641 deionized water Inorganic materials 0.000 claims description 17
- 238000005470 impregnation Methods 0.000 claims description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 108010015776 Glucose oxidase Proteins 0.000 claims description 10
- 239000004366 Glucose oxidase Substances 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 10
- 230000000593 degrading effect Effects 0.000 claims description 10
- 229940116332 glucose oxidase Drugs 0.000 claims description 10
- 235000019420 glucose oxidase Nutrition 0.000 claims description 10
- 229920005610 lignin Polymers 0.000 claims description 10
- 239000008055 phosphate buffer solution Substances 0.000 claims description 10
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 108010059892 Cellulase Proteins 0.000 claims description 9
- 229940106157 cellulase Drugs 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 238000004513 sizing Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 6
- 108010059820 Polygalacturonase Proteins 0.000 claims description 6
- 241000168254 Siro Species 0.000 claims description 6
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 6
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 6
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 108010093305 exopolygalacturonase Proteins 0.000 claims description 6
- 230000008520 organization Effects 0.000 claims description 6
- 229920002545 silicone oil Polymers 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 5
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 claims description 5
- 229910001626 barium chloride Inorganic materials 0.000 claims description 5
- 235000010333 potassium nitrate Nutrition 0.000 claims description 5
- 239000004323 potassium nitrate Substances 0.000 claims description 5
- 239000012286 potassium permanganate Substances 0.000 claims description 5
- 239000002244 precipitate Substances 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 5
- 239000006228 supernatant Substances 0.000 claims description 5
- 238000009210 therapy by ultrasound Methods 0.000 claims description 5
- JHWIEAWILPSRMU-UHFFFAOYSA-N 2-methyl-3-pyrimidin-4-ylpropanoic acid Chemical group OC(=O)C(C)CC1=CC=NC=N1 JHWIEAWILPSRMU-UHFFFAOYSA-N 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 4
- 230000035515 penetration Effects 0.000 claims description 3
- 229920000742 Cotton Polymers 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 235000010265 sodium sulphite Nutrition 0.000 claims description 2
- 238000004804 winding Methods 0.000 abstract 1
- 239000000975 dye Substances 0.000 description 8
- 238000009987 spinning Methods 0.000 description 8
- 238000012360 testing method Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010020112 Hirsutism Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000009898 sodium hypochlorite bleaching Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
-
- 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
- D06L4/30—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using reducing agents
-
- 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
- D06L4/40—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using enzymes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
- D06M15/05—Cellulose or derivatives thereof
- D06M15/09—Cellulose ethers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
-
- 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
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
- D06M16/003—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
-
- 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
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/02—Processes in which the treating agent is releasably affixed or incorporated into a dispensing means
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/34—Polyamides
-
- 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
-
- 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
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
-
- 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]
-
- 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
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/061—Load-responsive characteristics elastic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The application provides a preparation method of warp knitting elastic fabric, which comprises the following steps: pretreating, namely taking twisted yarns and strand yarns, twisting the twisted yarns and the strand yarns to form twisted yarns, wherein the twisting direction of the twisted yarns is opposite to the twisting direction of the twisted yarns and the fibers of the strand yarns, carrying out dimension stripping on the twisted yarns, carrying out bleaching and dyeing by using a composite bleaching agent, and carrying out steam fixed twisting to obtain textile yarns; weaving, namely weaving the textile yarns into warp knitting grey cloth through warp knitting machine; dyeing and finishing, namely shaping and softening warp knitting grey cloth, dyeing and finishing, and drying to obtain warp knitting elastic fabric; wherein the bleaching using the composite bleaching agent comprises: the first dipping, in which the twisted yarn is dipped in the pretreatment liquid, the temperature is maintained at 40-55 ℃, standing for 5-15min, the second dipping, in which the twisted yarn after the first dipping is dipped in the bleaching dye liquid, the temperature is maintained at 30-50 ℃, standing for 10-30min, the winding is carried out, and then standing for 10-30min.
Description
Technical Field
The application relates to the technical field of cloth processing, in particular to a preparation method of warp knitting elastic fabric.
Background
With the development of society, people put higher demands on various directions of clothing comfort and clothing functionality, such as shaping, elasticity, shape retention, etc., and in order to meet the demands, not only new clothing style designs, but also efforts on clothing materials are required. In the related art, the weaving of the garment materials includes weaving, knitting, braiding, non-weaving, and the like, wherein knitting is divided into warp knitting and weft knitting. Warp knitting is a textile process which belongs to the field of knitting, and is performed by knitting with one or more sets of yarns arranged in parallel on all the working needles of a warp feeding machine and then knitting to form a knitted fabric.
In the related art, warp knitting is generally required to be performed after the used spinning is processed, such as rinsing, dimension withdrawal, shaping and the like, but in the processing process, the transition treatment can easily damage the spinning, so that the problem of yarn breakage in production is caused, the production waste is large, the production efficiency is also influenced, the friction problem between spinning is aggravated due to insufficient processing degree, and the conditions of fuzzing, pilling and the like on the surface of the yarn are caused, so that the quality of textiles is influenced.
In view of the foregoing, there is a need in the art for a method of making warp knit stretch fabrics that addresses the above-described problems.
Content of the application
The application aims to provide a preparation method of warp knitting elastic fabric, which aims to solve at least one technical problem in the background art.
Specifically, the application provides a preparation method of warp knitting elastic fabric, which comprises the following steps:
pretreating, namely taking twisted yarns and strand yarns, twisting the twisted yarns and the strand yarns to form twisted yarns, wherein the twisting direction of the twisted yarns is opposite to the twisting direction of the twisted yarns and the fibers of the strand yarns, carrying out dimension stripping on the twisted yarns, carrying out bleaching and dyeing by using a composite bleaching agent, and carrying out steam fixed twisting to obtain textile yarns;
weaving, namely weaving the textile yarns into warp knitting grey cloth through warp knitting machine;
dyeing and finishing, namely shaping and softening warp knitting grey cloth, dyeing and finishing, and drying to obtain warp knitting elastic fabric;
wherein the bleaching using the composite bleaching agent comprises:
a first impregnation step, wherein the twisted yarn is immersed in a pretreatment liquid, the temperature is maintained at 40-55 ℃, and the pretreatment liquid is kept stand for 5-15min, wherein the pretreatment liquid comprises, by weight of twisted yarn and twisted yarn, 0.1-1 part of cellulase, 0.1-3 parts of glucose oxidase, 0.2-5 parts of pectase and 0.1-0.5 part of lignin degrading enzyme;
and (2) soaking the twisted yarns subjected to the first soaking in a bleaching dye solution, maintaining the temperature at 30-50 ℃, standing for 10-30min, separating the twisted yarns, and standing for 10-30min, wherein the bleaching dye solution comprises 1-2 parts of an alkaline reducing agent and 1-2 parts of an alkaline stripping agent according to the weight parts of twisted yarns and strand yarns.
By adopting the scheme, after the twisted yarn is formed, the first impregnation is carried out to improve the fiber condition on the twisted yarn, reduce the short count fiber on the twisted yarn, further improve the fuzziness and pilling problems, and secondly, the second impregnation is carried out after the first impregnation to improve the damage problem of the twisted yarn after enzymolysis, improve the fiber strength of the twisted yarn and facilitate the follow-up treatment process.
In some alternative embodiments of the present application, the warp knitted blank in the weaving step is woven from guide bar GB1, guide bar GB2 and guide bar GB3, the weave structure and threading manner of the guide bar GB1 are: 1-0/0-1/1-0/0-1/1-0/1-2/1-0/1-2//, full penetration; the organization structure and the threading mode of the guide bar GB2 are 1-0/2-3//, and the guide bar is full of threads; the organization structure and the threading mode of the guide bar GB3 are 2-3/1-0//, and the guide bar is full of threads.
In some alternative embodiments of the application, the twisted and ply yarns are made from one or more of cotton, polyester, nylon, polyester or nylon fibers and are made using compact siro spinning.
In some alternative embodiments of the application, the ply yarn dimension stripping comprises: soaking the ply yarn in deionized water, maintaining the temperature at 55-65 ℃, standing for 5-10min, heating to 110-120 ℃, changing water for 2-3 times by using internal circulation, cleaning the ply yarn, soaking the ply yarn in a first treatment liquid, maintaining the temperature at 50-70 ℃, standing for 5-15min, cleaning the ply yarn, soaking the ply yarn in a second treatment liquid, maintaining the temperature at 50-70 ℃, standing for 5-15min, cleaning the ply yarn, wherein the first treatment liquid comprises 0.1-2 parts of carboxymethyl cellulose, and the second treatment liquid comprises 0.1-1.5 parts of silicone oil according to the parts by weight of the ply yarn and the ply yarn.
In some optional embodiments of the application, the preprocessing step further comprises: sizing the bleached and dyed ply yarn, controlling the temperature of the sizing agent to be 50-65 ℃ by a sizing machine, and carrying out sizing in a double-dipping double-pressing mode.
In some alternative embodiments of the application, the biological enzyme used in the first impregnation is attached to an enzyme support.
In some alternative embodiments of the application, the enzyme carrier is prepared by a process comprising, by weight:
adding 1 part of graphite powder and 1 part of potassium nitrate into a reaction kettle, adding 20 parts of concentrated sulfuric acid, controlling the temperature in the reaction kettle to be below 0 ℃, and stirring;
adding 5 parts of potassium permanganate into a reaction kettle, controlling the temperature in the reaction kettle to be below 4 ℃ and reacting for 85min;
controlling the temperature in the reaction kettle at 60 ℃, reacting for 30min, adding 100 parts of deionized water into the reaction kettle, and stirring;
adding 30% hydrogen peroxide solution into a reaction kettle until the solution in the reaction kettle turns bright yellow, transferring the obtained solution into a centrifugal machine, and centrifugally cleaning by using 0.5mol/L hydrochloric acid solution at the rotating speed of 7500r/min-8500r/min, wherein no white precipitate is generated when the solution is cleaned to a supernatant by using barium chloride solution;
dissolving the obtained centrifugate with ionized water, regulating the pH value of the solution to 6-8, and performing ultrasonic treatment for 8-12 h to obtain an enzyme carrier;
the adhesion process of the biological enzyme comprises the following steps of:
1 part of enzyme carrier is dissolved by 8-10 parts of deionized water, then the solution is put into a reaction kettle, 1-5 parts of phosphate buffer solution with pH=6, 0.1-1 part of cellulase solution, 0.1-3 parts of glucose oxidase solution, 0.2-5 parts of pectinase solution and 0.1-5 parts of lignin degrading enzyme solution are added, the temperature in the reaction kettle is maintained at 5 ℃, the solution is stirred for 10 hours, and the solution is taken out and washed by the phosphate buffer solution with pH=6, so that the adhesion is completed.
In some alternative embodiments of the application, the ratio of cellulase, glucose oxidase, pectinase and lignin degrading enzyme in the pretreatment liquid is 1 by weight: 1:2:1.
in some alternative embodiments of the application, the alkaline reducing agent is at least one of sodium hydroxide and sodium sulfite, and the alkaline stripping agent is sodium dichromate.
In some alternative embodiments of the application, the ratio of alkaline reducing agent to alkaline stripping agent in the bleaching liquor is 1 by weight: 1.
in summary, the application has the following beneficial effects:
1. in the present application, the first impregnation is performed after the formation of the ply yarn, so that the fiber condition on the ply yarn can be improved, the short fiber on the ply yarn can be reduced, and further, the fuzzing and pilling can be improved.
2. According to the application, the second impregnation is carried out after the first impregnation, so that the damage problem of the folded yarn after enzymolysis can be solved, the fiber strength of the folded yarn is improved, and the subsequent treatment process is facilitated.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are not intended to represent all embodiments consistent with the application. Rather, they are merely examples of apparatus and methods consistent with aspects of the application as detailed in the accompanying claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
The present application will be described in detail by examples.
Example 1
Yarn pretreatment:
taking textile yarns made of compact siro spinning as twisted yarns and strand yarns, twisting the twisted yarns and the strand yarns to form twisted yarns, reversing the twisting direction of the twisted yarns and the twisting direction of the fibers of the twisted yarns and the strand yarns, carrying out dimension stripping on the twisted yarns, carrying out bleaching and dyeing by using a composite bleaching agent, and carrying out steam fixed twisting to obtain the textile yarns;
wherein the bleaching using the composite bleaching agent comprises: soaking the ply yarn in the prepared sodium hypochlorite bleaching dye liquor, maintaining the temperature at 45 ℃ for 15min, separating the ply yarn, and standing for 15min.
Example 2
Yarn pretreatment:
taking textile yarns made of compact siro spinning as twisted yarns and strand yarns, twisting the twisted yarns and the strand yarns to form twisted yarns, reversing the twisting direction of the twisted yarns and the twisting direction of the fibers of the twisted yarns and the strand yarns, carrying out dimension stripping on the twisted yarns, carrying out bleaching and dyeing by using a composite bleaching agent, and carrying out steam fixed twisting to obtain the textile yarns;
wherein the bleaching using the composite bleaching agent comprises: soaking ply yarn in pretreatment liquid at 45 ℃, standing for 10min, separating collaterals, and standing for 15min, wherein the pretreatment liquid comprises cellulose 0.1 parts, glucose oxidase 0.1 parts, pectase 0.5 parts and lignin degrading enzyme 0.1 parts according to the weight parts of twisted yarn and ply yarn.
Example 3
Yarn pretreatment:
taking textile yarns made of compact siro spinning as twisted yarns and strand yarns, twisting the twisted yarns and the strand yarns to form twisted yarns, reversing the twisting direction of the twisted yarns and the twisting direction of the fibers of the twisted yarns and the strand yarns, carrying out dimension stripping on the twisted yarns, carrying out bleaching and dyeing by using a composite bleaching agent, and carrying out steam fixed twisting to obtain the textile yarns;
wherein the bleaching using the composite bleaching agent comprises: soaking the ply yarn in a bleaching dye solution, maintaining the temperature at 40 ℃, standing for 15min, separating the ply yarn, and standing for 15min, wherein the bleaching dye solution comprises 1 part of sodium hydroxide and 1 part of sodium dichromate according to the weight parts of twisted yarn and ply yarn.
Example 4
Yarn pretreatment:
taking textile yarns made of compact siro spinning as twisted yarns and strand yarns, twisting the twisted yarns and the strand yarns to form twisted yarns, reversing the twisting direction of the twisted yarns and the twisting direction of the fibers of the twisted yarns and the strand yarns, carrying out dimension stripping on the twisted yarns, carrying out bleaching and dyeing by using a composite bleaching agent, and carrying out steam fixed twisting to obtain the textile yarns;
wherein the bleaching using the composite bleaching agent comprises: soaking ply yarn in pretreatment liquid at 45 ℃ for 10min, wherein the pretreatment liquid comprises 0.1 part of cellulase, 0.1 part of glucose oxidase, 0.5 part of pectase and 0.1 part of lignin degrading enzyme according to the parts by weight of twisted yarn and ply yarn, soaking ply yarn in bleaching dye liquid at 40 ℃ for 15min, separating the ply yarn, and standing for 15min, wherein the bleaching dye liquid comprises 1 part of sodium hydroxide and 1 part of sodium dichromate according to the parts by weight of twisted yarn and ply yarn.
Example 5
And (3) testing the performance of a finished product:
examples 1 to 4 were tested according to GB/T3916-1997 determination of the breaking strength and elongation of the individual yarns, and the statistical average values are recorded in Table 1.
TABLE 1 influence of different bleaching and dyeing steps on breaking strength and elongation at break of the resulting yarns
As shown in Table 1 and comparative examples 1 to 4, it was found that the bleaching and dyeing method provided in the present application can provide a yarn having a superior yarn strength and a shorter elongation at break, and a fabric having a superior elasticity, and that the yarn obtained in example 4 has not only the optimal yarn strength and elongation at break data, but also less surface hairiness and pilling, and a cleaner appearance, when the surface thereof is observed with a magnifying glass.
Example 6
Yarn pretreatment:
this example is substantially the same as example 4 except that the ply yarn withdrawal dimension includes: soaking the ply yarn in deionized water, maintaining the temperature at 60 ℃, standing for 10min, heating to 110 ℃, changing water for 3 times by using internal circulation, cleaning the ply yarn, soaking the ply yarn in a first treatment liquid, maintaining the temperature at 60 ℃, standing for 10min, and cleaning the ply yarn, wherein the first treatment liquid comprises 0.5 part of carboxymethyl cellulose according to the parts by weight of the twisted yarn and the ply yarn.
Example 7
Yarn pretreatment:
this example is substantially the same as example 4 except that the ply yarn withdrawal dimension includes: soaking the ply yarn in deionized water, maintaining the temperature at 60 ℃, standing for 10min, heating to 110 ℃, changing water for 3 times by using internal circulation, cleaning the ply yarn, soaking the ply yarn in a second treatment liquid, maintaining the temperature at 60 ℃, standing for 10min, and cleaning the ply yarn, wherein the second treatment liquid comprises 1 part of silicone oil according to the weight parts of the twisted yarn and the ply yarn.
Example 8
Yarn pretreatment:
this example is substantially the same as example 4 except that the ply yarn withdrawal dimension includes: soaking the ply yarn in deionized water, maintaining the temperature at 60 ℃, standing for 10min, heating to 110 ℃, changing water for 3 times by using internal circulation, cleaning the ply yarn, soaking the ply yarn in a first treatment liquid, maintaining the temperature at 60 ℃, standing for 10min, cleaning the ply yarn, soaking the ply yarn in a second treatment liquid, maintaining the temperature at 60 ℃, standing for 10min, cleaning the ply yarn, wherein the first treatment liquid comprises 0.1 part of carboxymethyl cellulose and the second treatment liquid comprises 0.1 part of silicone oil according to the weight parts of the ply yarn and the ply yarn.
Example 9
Yarn pretreatment:
this example is substantially the same as example 4 except that the ply yarn withdrawal dimension includes: soaking the ply yarn in deionized water, maintaining the temperature at 60 ℃, standing for 10min, heating to 110 ℃, changing water for 3 times by using internal circulation, cleaning the ply yarn, soaking the ply yarn in a first treatment liquid, maintaining the temperature at 60 ℃, standing for 10min, cleaning the ply yarn, soaking the ply yarn in a second treatment liquid, maintaining the temperature at 60 ℃, standing for 10min, cleaning the ply yarn, wherein the first treatment liquid comprises 0.5 part of carboxymethyl cellulose and the second treatment liquid comprises 1 part of silicone oil according to the weight parts of the ply yarn and the ply yarn.
Example 10
Yarn pretreatment:
this example is substantially the same as example 4 except that the ply yarn withdrawal dimension includes: soaking the ply yarn in deionized water, maintaining the temperature at 60 ℃, standing for 10min, heating to 110 ℃, changing water for 3 times by using internal circulation, cleaning the ply yarn, soaking the ply yarn in a first treatment liquid, maintaining the temperature at 60 ℃, standing for 10min, cleaning the ply yarn, soaking the ply yarn in a second treatment liquid, maintaining the temperature at 60 ℃, standing for 10min, cleaning the ply yarn, wherein the first treatment liquid comprises 2 parts of carboxymethyl cellulose and the second treatment liquid comprises 1.5 parts of silicone oil according to the weight parts of the twisted yarn and the ply yarn.
Example 11
And (3) testing the performance of a finished product:
examples 6-10 were tested according to GB/T3916-1997 determination of the breaking strength and elongation of the individual yarns, statistical averages being recorded in Table 2.
TABLE 2 influence of different dimension-stripping steps on breaking strength and elongation at break of the resulting yarn
As shown in table 2, comparative examples 4 and examples 6 to 10, it can be found that the dimension-stripping mode provided in the present application can significantly improve the yarn strength and the breaking elongation of the obtained yarn, and can make the obtained fabric have better elasticity. And in examples 6-10, examples 8-10 employing two treatments were further improved over examples 6-7 employing a single treatment.
Example 12
Yarn pretreatment:
this example is substantially the same as example 4, except that the biological enzyme used in the impregnation is attached to an enzyme carrier, and the enzyme carrier is prepared by the steps of, by weight:
adding 1 part of graphite powder and 1 part of potassium nitrate into a reaction kettle, adding 20 parts of concentrated sulfuric acid, controlling the temperature in the reaction kettle to be below 0 ℃, and stirring;
adding 5 parts of potassium permanganate into a reaction kettle, controlling the temperature in the reaction kettle to be below 4 ℃ and reacting for 85min;
controlling the temperature in the reaction kettle at 60 ℃, reacting for 30min, adding 100 parts of deionized water into the reaction kettle, and stirring;
adding 30% hydrogen peroxide solution into a reaction kettle until the solution in the reaction kettle turns bright yellow, transferring the obtained solution into a centrifugal machine, and centrifugally cleaning by using 0.5mol/L hydrochloric acid solution at the rotating speed of 7500r/min-8500r/min, wherein no white precipitate is generated when the solution is cleaned to a supernatant by using barium chloride solution;
dissolving the obtained centrifugate with ionized water, regulating the pH value of the solution to 6-8, and performing ultrasonic treatment for 8-12 h to obtain an enzyme carrier;
the biological enzyme attaching process includes the following steps, by weight:
after 1 part of enzyme carrier is dissolved by 10 parts of deionized water, the solution is placed into a reaction kettle, 3 parts of phosphate buffer solution with pH=6, 0.1 part of cellulase solution, 0.1 part of glucose oxidase solution, 0.2 part of pectinase solution and 0.1 part of lignin degrading enzyme solution are added, the temperature in the reaction kettle is maintained at 5 ℃, the solution is stirred for 10 hours, and the solution is taken out, washed by the phosphate buffer solution with pH=6, so that the adhesion is completed.
Example 13
Yarn pretreatment:
this example is substantially the same as example 4, except that the biological enzyme used in the impregnation is attached to an enzyme carrier, and the enzyme carrier is prepared by the steps of, by weight:
adding 1 part of graphite powder and 1 part of potassium nitrate into a reaction kettle, adding 20 parts of concentrated sulfuric acid, controlling the temperature in the reaction kettle to be below 0 ℃, and stirring;
adding 5 parts of potassium permanganate into a reaction kettle, controlling the temperature in the reaction kettle to be below 4 ℃ and reacting for 85min;
controlling the temperature in the reaction kettle at 60 ℃, reacting for 30min, adding 100 parts of deionized water into the reaction kettle, and stirring;
adding 30% hydrogen peroxide solution into a reaction kettle until the solution in the reaction kettle turns bright yellow, transferring the obtained solution into a centrifugal machine, and centrifugally cleaning by using 0.5mol/L hydrochloric acid solution at the rotating speed of 7500r/min-8500r/min, wherein no white precipitate is generated when the solution is cleaned to a supernatant by using barium chloride solution;
dissolving the obtained centrifugate with ionized water, regulating the pH value of the solution to 6-8, and performing ultrasonic treatment for 8-12 h to obtain an enzyme carrier;
the biological enzyme attaching process includes the following steps, by weight:
after 1 part of enzyme carrier is dissolved by 10 parts of deionized water, the solution is placed into a reaction kettle, 3 parts of phosphate buffer solution with pH=6, 0.5 part of cellulase solution, 1 part of glucose oxidase solution, 2.5 parts of pectinase solution and 3 parts of lignin degrading enzyme solution are added, the temperature in the reaction kettle is maintained at 5 ℃, the reaction kettle is stirred for 10 hours, and the solution is taken out and washed by phosphate buffer solution with pH=6, so that the adhesion is completed.
Example 14
Yarn pretreatment:
this example is substantially the same as example 4, except that the biological enzyme used in the impregnation is attached to an enzyme carrier, and the enzyme carrier is prepared by the steps of, by weight:
adding 1 part of graphite powder and 1 part of potassium nitrate into a reaction kettle, adding 20 parts of concentrated sulfuric acid, controlling the temperature in the reaction kettle to be below 0 ℃, and stirring;
adding 5 parts of potassium permanganate into a reaction kettle, controlling the temperature in the reaction kettle to be below 4 ℃ and reacting for 85min;
controlling the temperature in the reaction kettle at 60 ℃, reacting for 30min, adding 100 parts of deionized water into the reaction kettle, and stirring;
adding 30% hydrogen peroxide solution into a reaction kettle until the solution in the reaction kettle turns bright yellow, transferring the obtained solution into a centrifugal machine, and centrifugally cleaning by using 0.5mol/L hydrochloric acid solution at the rotating speed of 7500r/min-8500r/min, wherein no white precipitate is generated when the solution is cleaned to a supernatant by using barium chloride solution;
dissolving the obtained centrifugate with ionized water, regulating the pH value of the solution to 6-8, and performing ultrasonic treatment for 8-12 h to obtain an enzyme carrier;
the biological enzyme attaching process includes the following steps, by weight:
after 1 part of enzyme carrier is dissolved by 10 parts of deionized water, the solution is placed into a reaction kettle, 3 parts of phosphate buffer solution with pH=6, 1 part of cellulase solution, 3 parts of glucose oxidase solution, 5 parts of pectinase solution and 5 parts of lignin degrading enzyme solution are added, the temperature in the reaction kettle is maintained at 5 ℃, the reaction kettle is stirred for 10 hours, and the solution is taken out and washed by the phosphate buffer solution with pH=6, so that the adhesion is completed.
Example 15
And (3) testing the performance of a finished product:
examples 12-14 were tested according to GB/T3916-1997 determination of the breaking strength and elongation of the individual yarns, statistical averages being recorded in Table 3.
TABLE 3 influence of different bleaching agents on the breaking strength and elongation of the resulting yarns
As shown in Table 3, comparative examples 4 and examples 12 to 14, it can be found that, after the bleaching and dyeing agent provided in the formula of the present application is used, the biological enzyme is carried on the enzyme carrier, so that the good biocompatibility of the enzyme carrier is fully utilized, and the enzyme activity is maintained at a higher level, thereby improving the stability of the enzymolysis reaction, so that the obtained yarn obtains better yarn strength and elongation at break performance, and the obtained fabric has better elasticity.
Example 16
Preparing warp knitting elastic fabric:
weaving, namely weaving the textile yarns into warp knitting grey cloth through warp knitting machine;
dyeing and finishing, shaping and softening the warp knitting grey cloth, dyeing and finishing, and drying to obtain the warp knitting elastic fabric.
The textile yarn used in this example is the textile yarn obtained in example 13, and the warp knitted grey cloth in the weaving step is woven by guide bar GB1, guide bar GB2 and guide bar GB3, the weave structure and the yarn threading mode of the guide bar GB1 are as follows: 1-0/0-1/1-0/0-1/1-0/1-2/1-0/1-2//, full penetration; the organization structure and the threading mode of the guide bar GB2 are 1-0/2-3//, and the guide bar is full of threads; the organization structure and the threading mode of the guide bar GB3 are 2-3/1-0//, and the guide bar is full of threads.
Example 17
And (3) testing the performance of a finished product:
the fabric obtained in example 16 was tested, and the specific test method and test results are shown in table 4.
Table 4 testing of stretch fabrics
As can be seen from Table 4, the warp knitting elastic fabric obtained by the application has excellent performance and good elasticity.
It should be noted that, for a person skilled in the art, the technical features of the above embodiments may be freely combined, and the resulting technical solution also belongs to the disclosed embodiments of the present application.
Further, the present application may be subject to several improvements and modifications without departing from the principle of the present application, and these improvements and modifications are also within the scope of protection of the claims of the present application.
Claims (10)
1. The preparation method of the warp knitting elastic fabric is characterized by comprising the following steps of:
pretreating, namely taking twisted yarns and strand yarns, twisting the twisted yarns and the strand yarns to form twisted yarns, wherein the twisting direction of the twisted yarns is opposite to the twisting direction of the twisted yarns and the fibers of the strand yarns, carrying out dimension stripping on the twisted yarns, carrying out bleaching and dyeing by using a composite bleaching agent, and carrying out steam fixed twisting to obtain textile yarns;
weaving, namely weaving the textile yarns into warp knitting grey cloth through warp knitting machine;
dyeing and finishing, namely shaping and softening warp knitting grey cloth, dyeing and finishing, and drying to obtain warp knitting elastic fabric;
wherein the bleaching using the composite bleaching agent comprises:
a first impregnation step, wherein the twisted yarn is immersed in a pretreatment liquid, the temperature is maintained at 40-55 ℃, and the pretreatment liquid is kept stand for 5-15min, wherein the pretreatment liquid comprises, by weight of twisted yarn and twisted yarn, 0.1-1 part of cellulase, 0.1-3 parts of glucose oxidase, 0.2-5 parts of pectase and 0.1-0.5 part of lignin degrading enzyme;
and (2) soaking the twisted yarns subjected to the first soaking in a bleaching dye solution, maintaining the temperature at 30-50 ℃, standing for 10-30min, separating the twisted yarns, and standing for 10-30min, wherein the bleaching dye solution comprises 1-2 parts of an alkaline reducing agent and 1-2 parts of an alkaline stripping agent according to the weight parts of twisted yarns and strand yarns.
2. The method for producing elastic warp knitting fabric according to claim 1, wherein the warp knitting grey fabric in the step of knitting is formed by knitting a guide bar GB1, a guide bar GB2 and a guide bar GB3, and the stitch structure and the threading mode of the guide bar GB1 are as follows: 1-0/0-1/1-0/0-1/1-0/1-2/1-0/1-2//, full penetration; the organization structure and the threading mode of the guide bar GB2 are 1-0/2-3//, and the guide bar is fully threaded; the organization structure and the threading mode of the guide bar GB3 are 2-3/1-0//, and the guide bar is full of threads.
3. The method of producing a warp knitted stretch fabric according to claim 1, wherein the twisted yarn and the ply yarn are made of one or more of cotton fiber, polyester fiber, nylon fiber, polyester fiber or nylon fiber, and are made of compact siro yarn.
4. The method of making a warp knit stretch fabric according to claim 1, wherein said ply yarn dimension withdrawal comprises: soaking the ply yarn in deionized water, maintaining the temperature at 55-65 ℃, standing for 5-10min, heating to 110-120 ℃, changing water for 2-3 times by using internal circulation, cleaning the ply yarn, soaking the ply yarn in a first treatment liquid, maintaining the temperature at 50-70 ℃, standing for 5-15min, cleaning the ply yarn, soaking the ply yarn in a second treatment liquid, maintaining the temperature at 50-70 ℃, standing for 5-15min, cleaning the ply yarn, wherein the first treatment liquid comprises 0.1-2 parts of carboxymethyl cellulose, and the second treatment liquid comprises 0.1-1.5 parts of silicone oil according to the parts by weight of the ply yarn and the ply yarn.
5. The method for producing a warp knitted stretch fabric according to claim 4, wherein the pre-treating step further comprises: sizing the bleached and dyed ply yarn, controlling the temperature of the sizing agent to be 50-65 ℃ by a sizing machine, and carrying out sizing in a double-dipping double-pressing mode.
6. The method of producing a warp knitted stretch fabric according to claim 1, wherein the biological enzyme used in the first impregnation is attached to an enzyme carrier.
7. The method for preparing a warp knitted stretch fabric according to claim 6, wherein the enzyme carrier preparation process comprises, by weight:
adding 1 part of graphite powder and 1 part of potassium nitrate into a reaction kettle, adding 20 parts of concentrated sulfuric acid, controlling the temperature in the reaction kettle to be below 0 ℃, and stirring;
adding 5 parts of potassium permanganate into a reaction kettle, controlling the temperature in the reaction kettle to be below 4 ℃ and reacting for 85min;
controlling the temperature in the reaction kettle at 60 ℃, reacting for 30min, adding 100 parts of deionized water into the reaction kettle, and stirring;
adding 30% hydrogen peroxide solution into a reaction kettle until the solution in the reaction kettle turns bright yellow, transferring the obtained solution into a centrifugal machine, and centrifugally cleaning by using 0.5mol/L hydrochloric acid solution at the rotating speed of 7500r/min-8500r/min, wherein no white precipitate is generated when the solution is cleaned to a supernatant by using barium chloride solution;
dissolving the obtained centrifugate with ionized water, regulating the pH value of the solution to 6-8, and performing ultrasonic treatment for 8-12 h to obtain an enzyme carrier;
the biological enzyme attaching process comprises the following steps of:
1 part of enzyme carrier is dissolved by 8-10 parts of deionized water, then the solution is put into a reaction kettle, 1-5 parts of phosphate buffer solution with pH=6, 0.1-1 part of cellulase solution, 0.1-3 parts of glucose oxidase solution, 0.2-5 parts of pectinase solution and 0.1-5 parts of lignin degrading enzyme solution are added, the temperature in the reaction kettle is maintained at 5 ℃, the solution is stirred for 10 hours, and the solution is taken out and washed by the phosphate buffer solution with pH=6, so that the adhesion is completed.
8. The method for preparing the warp-knitted stretch fabric according to claim 1, wherein the pretreatment liquid comprises the following components in percentage by weight: 1:2:1.
9. the method for preparing the warp knitting elastic fabric according to claim 1, wherein the alkaline reducing agent is at least one of sodium hydroxide and sodium sulfite, and the alkaline stripping agent is sodium dichromate.
10. The method for preparing the warp knitting elastic fabric according to claim 9, wherein the ratio of the alkaline reducing agent to the alkaline stripping agent in the bleaching dye liquid is 1:1.
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