CN114703584A - Long-staple cotton high-count and ultra-high-density fabric and production method thereof - Google Patents
Long-staple cotton high-count and ultra-high-density fabric and production method thereof Download PDFInfo
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/208—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based
- D03D15/217—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based natural from plants, e.g. cotton
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02H—WARPING, BEAMING OR LEASING
- D02H3/00—Warping machines
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- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
- D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D49/00—Details or constructional features not specially adapted for looms of a particular type
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/04—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of yarns, threads or filaments
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/10—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen
- D06L4/13—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which develop oxygen using inorganic agents
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- 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
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- 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
- D06M15/11—Starch or derivatives thereof
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/327—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof
- D06M15/333—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof of vinyl acetate; Polyvinylalcohol
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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
- 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
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- 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
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- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/40—Reduced friction resistance, lubricant properties; Sizing compositions
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- 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
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Abstract
The invention belongs to the technical field of textiles, and particularly relates to a long stapled cotton high count and ultra-high density fabric and a production method thereof. The production method comprises the following steps: s1, selecting raw materials: the long-staple cotton yarn is taken as warp yarn, and blended yarn made of long-staple cotton and fine-staple cotton is taken as weft yarn; s2, warping: warping warp by adopting a warping machine, wherein the single-shaft head of the warping machine is 1100-1300 yarns, the speed is 400-480m/min, the yarn tension is controlled to be 8-11cN by adopting a yarn clamp and a tension disc together, and the warping pressure is 180-230 cN; s3, sizing; s4, drafting; s5, weaving; s6, pretreatment: and (3) sequentially desizing, scouring, bleaching and printing and dyeing the grey cloth to obtain the long stapled cotton fabric. According to the invention, the weft breaking strength retention rate of the grey cloth is improved by controlling the warping mode and the process parameters thereof. The fabric disclosed by the invention is fine and smooth in hand feeling, soft in texture and rich in gloss.
Description
Technical Field
The invention belongs to the technical field of textiles, and particularly relates to a long stapled cotton high count and ultra-high density fabric and a production method thereof.
Background
Long stapled cotton, also known as "sea island cotton", is named because of its longer fibers. The long stapled cotton is mainly produced in Xinjiang, Egypt and other places, has flexible and long fiber, quick heat generation, strong heat retention and excellent elasticity, and the prepared fabric has high color fastness, good comfort, wear resistance, durability, good wrinkle resistance, difficult pilling, strong air permeability and good mercerization.
Xinjiang long stapled cotton is a cotton fiber variety produced in Turpan basin, Tarim basin, Kashi, etc., in Xinjiang, China. The day and night temperature difference of the growing environment is large, and the sunshine time is long, so that the Xinjiang long stapled cotton has high maturity, long fibers, pure white luster, the average length of 33-39mm and the longest length of 64 mm; the fineness is about 1.3 to 1.4 dtex; the strength is high, the breaking strength can reach 4-5cN/dtex, and the breaking length can reach 33-40 km. Compared with common cotton, the Xinjiang long stapled cotton has better hand feeling and luster and stronger durability.
Long staple cotton is commonly used in apparel fabrics and has been used in recent years for household textiles and bedding. In order to improve the quality of textiles made of long stapled cotton, the long stapled cotton is usually spun into high count yarns with higher fineness; meanwhile, in order to ensure the durability and the texture of the fabric, the density of the fabric made of the long stapled cotton is usually improved. However, the conventional process for producing the high-density long stapled cotton fabric is easy to generate phenomena of warp yarn breakage, weft stop and the like, so that the production efficiency is low.
In addition, the pretreatment is an indispensable important link in fabric production, and the pretreatment can remove cellulose companion, oil, slurry and dirt on the surface of the fabric and improve the whiteness of the fabric, and mainly comprises the working procedures of desizing, boiling, bleaching and the like. However, the pretreatment is liable to damage the fibers or yarns to various degrees, which causes a decrease in the weft breaking strength of the fabric, and generally, the breaking strength retention of the fabric after the pretreatment is only about 70% to 80%.
Therefore, a production method of long stapled cotton fabric is needed to solve the technical problems of low production efficiency of high-density long stapled cotton fabric and easy breaking strength reduction of blank cloth caused by pretreatment.
Disclosure of Invention
In view of the above, the invention aims to provide a high-count and ultra-high-density long stapled cotton fabric and a production method thereof, so as to solve the technical problems that the production efficiency of the high-density long stapled cotton fabric is higher and the breaking strength of the grey fabric is easily reduced due to a pretreatment process.
In a first aspect, the invention provides a method for producing a long-staple cotton fabric, which comprises the following steps:
s1, selecting raw materials: the long-staple cotton yarn is used as warp yarn, and blended yarn made of long-staple cotton and fine-staple cotton is used as weft yarn;
s2, warping: carrying out warping treatment on the warps obtained in the step S1 by adopting a warping machine, wherein in the warping treatment process, the single-shaft head part of the warping machine is 1100-1300 yarns, the speed is 400-480m/min, the yarn tension is controlled to be 8-11cN by adopting a yarn clamp and a tension disc together, and the warping pressure is 180-230 cN;
s3, sizing: sizing the warp yarn processed in the step S2;
s4, drafting: performing drafting treatment on the warp yarn treated in the step S3;
s5, weaving: weaving the warp yarn processed by the S4 and the weft yarn of the step S1 as raw materials to obtain grey cloth;
s6, pretreatment: and (5) sequentially performing desizing, scouring, bleaching and printing and dyeing on the grey cloth obtained in the step (S5) to obtain the long stapled cotton fabric.
Optionally, in step S1, the long stapled cotton is Xinjiang long stapled cotton.
Optionally, in step S1, the fineness of the warp yarn is 100-120S.
Optionally, in step S1, the fineness of the weft yarns is 50-70S.
Optionally, in the weft yarns in step S1, the mass percentage of the long stapled cotton to the fine stapled cotton is 40 wt% to 70 wt%: 60-30 wt%, preferably 50-70 wt%: 50 to 30 weight percent.
Optionally, in the sizing process in step S3, the adopted slasher is a triple-slasher.
Optionally, in the sizing solution used in the sizing process in the step S3, the concentration of the sizing agent is 10 wt% to 15 wt%, preferably 12 wt% to 14 wt%; the slurry viscosity is 8s-11s, preferably 9-11 s; the slurry temperature is 90-98 deg.C, preferably 95-98 deg.C.
Optionally, the slurry is selected from one or more of polyvinyl alcohol, cationic modified starch, acetate modified starch, phosphate modified starch, and hydroxymethyl cellulose.
Optionally, in the sizing process of step S3, the sizing rate is 13 wt% to 20 wt%, and the moisture regain is 5 wt% to 7 wt%.
Optionally, in the sizing process in step S3, the padding method is two-dipping and two-rolling, and the mangle ratio is 20 wt% to 60 wt%, preferably 30 wt% to 60 wt%; the width of the roller is 1500-.
In the invention, the width of the mill roll refers to the width of the deformation of the portion of the sizing roll, which is in contact with the sizing roll under the action of pressure.
Optionally, in the drafting process in step S4, the adopted heald frame is a tandem heald frame.
Optionally, in the weaving process of step S5, the weaving machine used comprises 10-18 sets of auxiliary nozzles, and the air flow speed of the auxiliary nozzles is 70m/S-110m/S, preferably 85m/S-110 m/S; the yarn drawing force is 0.4MPa to 0.6MPa, preferably 0.45MPa to 0.6 MPa.
Optionally, in the weaving process of step S5, the opening time of the warp yarn is 280 ° to 330 °, the opening angle of the warp yarn is 28 ° to 35 °, the tension of the warp yarn is 2400N to 2900N, the weft insertion time is 70 ° to 90 °, and the arrival time of the weft yarn is 210 ° to 240 °.
Alternatively, in step S6, a desizing process is performed using a bio-enzyme solution.
Optionally, the cooking of step S6 includes: and (3) treating the grey cloth in a refined enzyme solution, and then performing enzyme deactivation treatment and water washing and drying.
Optionally, in step S6, the bleaching is performed by oxygen bleaching, where the oxygen bleaching includes: placing the boiled grey cloth in an oxygen bleaching solution, heating to 85-98 ℃ at the speed of 1-3 ℃/min, preserving the heat for 50-70min, adjusting the pH value of the oxygen bleaching solution to be neutral, taking out and cleaning, wherein the oxygen bleaching solution comprises hydrogen peroxide and a penetrating agent JFC.
Optionally, the biological enzyme is selected from one or more of an alpha-amylase, a saccharifying enzyme, a debranching enzyme, a polyvinyl alcohol degrading enzyme, and a cellulase.
Optionally, the pH of the bio-enzyme solution is 5.5-7.0.
Optionally, the concentration of each component in the biological enzyme solution is 1-5 g/L.
Optionally, the desizing process comprises: firstly, placing the gray fabric in hot water of 75-95 ℃ for soaking for 3-5min, then placing the gray fabric in a biological enzyme solution for soaking, and then carrying out mangling, wherein the mangling rate is 70-140 wt%, and preferably 80-130 wt%; treating at 35-65 deg.C for 50-90min, inactivating enzyme with 80-98 deg.C hot water, washing with water, and oven drying.
Optionally, the refinery enzyme is selected from one or more of lipase, ligninase, pectinase and cellulase.
Alternatively, the pH of the refined enzyme solution is 5.0-7.0, preferably 6.0-7.0.
Optionally, the concentration of each component in the refined enzyme solution is 1-5 g/L.
Optionally, the scouring process comprises: soaking the grey cloth in 35-65 deg.C refined enzyme solution for 50-90min, inactivating enzyme with 80-98 deg.C hot water, washing with water, and oven drying.
Optionally, in the oxygen bleaching liquid, the concentration of hydrogen peroxide is 4-10g/L, and the concentration of a penetrant JFC is 1-3 g/L;
optionally, the bath ratio during the bleaching process is 1: 9-14.
Optionally, the drying temperature is 60-80 ℃, preferably 70-80 ℃; the drying time is 0.5-2min, preferably 0.5-1.5 min.
In the invention, the hydrogen peroxide is hydrogen peroxide with the volume concentration of 20-40 vol%.
In another aspect, the invention also provides the long stapled cotton fabric prepared by the production method.
As mentioned above, the long-staple cotton fabric and the production method thereof have the following beneficial effects:
(1) the invention solves the problem of low production efficiency caused by warp broken ends and weft stop in the weaving process by controlling the warping, sizing, drafting, weaving modes and process parameters thereof.
(2) According to the invention, by controlling the pretreatment process and the parameters thereof, the technical problem that the strength of the grey cloth is obviously reduced due to the pretreatment is solved, and the breaking strength retention rate of the grey cloth is improved.
(3) The fabric disclosed by the invention is fine and smooth in hand feeling, soft in texture and rich in gloss.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. The term "wt%" as used herein means a mass percentage, and the term "vol%" means a volume percentage, unless otherwise specified.
The invention provides a production method of a long-staple cotton fabric, which comprises the following steps:
s1, selecting raw materials: the Xinjiang long staple cotton yarn with the fineness of 100-120S is used as warp yarn, and the Xinjiang long staple cotton and the fine staple cotton are used according to the mass percentage of 40-70 percent: 60-30 wt% of blended yarns with fineness of 50-70S are taken as weft yarns;
s2, warping: carrying out warping treatment on the warps obtained in the step S1 by adopting a warping machine, wherein in the warping treatment process, the single-shaft head part of the warping machine is 1100-1300 yarns, the speed is 400-480m/min, the yarn tension is controlled to be 8-11cN by adopting a yarn clamp and a tension disc together, and the warping pressure is 180-230 cN;
s3, sizing: sizing the warp processed in the step S2 by a triple-size-box sizing machine, wherein the concentration of the sizing agent in the sizing agent adopted in the sizing process is 10-15 wt%, and the sizing agent is selected from one or more of polyvinyl alcohol, cation modified starch, acetate modified starch, phosphate modified starch and hydroxymethyl cellulose; the slurry dipping mode is two-dipping and two-rolling, and the mangle rolling rate is 20 to 60 weight percent, preferably 30 to 60 weight percent; the width of the roller is 1500-;
s4, drafting: performing drafting treatment on the warp yarns processed in the step S3, wherein the adopted heald frame is a compound heald frame in the drafting treatment process;
s5, weaving: weaving the warp yarns processed in the step S4 and the weft yarns processed in the step S1 as raw materials to obtain grey cloth, wherein the adopted weaving machine comprises 10-18 groups of auxiliary nozzles, the air velocity of the auxiliary nozzles is 70-110 m/S, preferably 85-110 m/S, and the yarn drawing force is 0.4-0.6 Mpa, preferably 0.45-0.6 Mpa; the opening time of the warp is 280-330 degrees, the opening angle is 28-35 degrees, the tension of the warp is 2400N-2900N, the weft insertion time is 70-90 degrees, and the arrival time of the weft is 210-240 degrees;
s6, pretreatment:
s6.1, desizing: firstly, placing the grey cloth in hot water of 75-95 ℃ for soaking for 3-5min, and then placing the grey cloth in a biological enzyme solution with the pH value of 5.5-7.0 for soaking; the biological enzyme is selected from one or more of alpha-amylase, saccharifying enzyme, debranching enzyme, polyvinyl alcohol degrading enzyme and cellulase, the concentration of the alpha-amylase is 1-5g/L, the concentration of the saccharifying enzyme is 1-5g/L, the concentration of the debranching enzyme is 1-5g/L, the concentration of the polyvinyl alcohol degrading enzyme is 1-3g/L, and the concentration of the cellulase is 1-5g/L in a biological enzyme solution; then carrying out mangling, wherein the mangling rate is 70-140 wt%, and preferably 80-140 wt%; then treating at 35-65 deg.C for 50-90min, inactivating enzyme with 80-98 deg.C hot water, washing with water, and oven drying at 60-80 deg.C for 0.5-2 min;
s6.2, boiling: after desizing, placing the grey cloth in a refined enzyme solution with the pH value of 5.0-7.0 to treat for 50-90min at 35-65 ℃ with the bath ratio of 1: 8-20; the refining enzyme is selected from one or more of lipase, ligninase, pectinase and cellulase, the concentration of the lipase is 1-5g/L, the concentration of the ligninase is 1-5g/L, the concentration of the pectinase is 1-5g/L, and the concentration of the cellulase is 1-5 g/L; then carrying out enzyme deactivation treatment by using hot water at the temperature of 80-98 ℃, washing by using water, and drying for 0.5-2min at the temperature of 60-80 ℃;
s6.3, bleaching: placing the boiled grey cloth in oxygen bleaching liquid with the concentration of hydrogen peroxide of 4-10g/L and the concentration of penetrant JFC of 1-3g/L, wherein the bath ratio is 1: 9-14; heating to 85-98 deg.C at a rate of 1-3 deg.C/min, maintaining the temperature for 50-70min, adjusting pH of the oxygen bleaching solution to neutral, taking out, and cleaning.
S6.4, printing and dyeing: and (4) sequentially carrying out printing and dyeing processes on the boiled and refined grey cloth to obtain the long stapled cotton fabric.
The present invention will be described in detail below with reference to specific exemplary embodiments. It should also be understood that the following examples are illustrative only and are not to be construed as limiting the scope of the invention, and that numerous insubstantial modifications and adaptations of the invention described above will occur to those skilled in the art. The specific process parameters and the like of the following examples are also only one example of suitable ranges, i.e., those skilled in the art can select the appropriate ranges through the description herein, and are not limited to the specific values exemplified below.
Example 1
The long stapled cotton high count and ultra-high density fabric is produced by the following steps:
s1, selecting raw materials: the Xinjiang long stapled cotton yarn with the fineness of 100S is used as warp yarn, and the Xinjiang long stapled cotton and the fine stapled cotton are mixed according to the mass percentage of 40 percent: 60 wt% of prepared blended yarns with the fineness of 70S are taken as weft yarns;
s2, warping: warping the warp yarns in the step S1 by using a warping machine, wherein in the warping process, the single-shaft head number of the warping machine is 1200, the speed of the warping machine is 450m/min, the yarn tension is controlled to be 9cN by using a yarn clamp and a tension disc together, and the warping pressure is 210 cN;
s3, sizing: adopting a three-size-tank slasher to carry out sizing treatment on the warp yarn treated in the step S2, wherein in a sizing aqueous solution adopted in the sizing process, the concentration of sizing is 12 wt%, the viscosity of the sizing is 9S, the temperature of the sizing is 97 ℃, and the sizing consists of polyvinyl alcohol PVA-1799 and cation modified starch according to the mass ratio of 3: 7; the slurry dipping mode is two-dipping and two-rolling, and the mangle ratio is 40 wt%; the width of the roller is 2100 mm;
s4, drafting: performing drafting treatment on the warp yarns processed in the step S3, wherein the adopted heald frame is a compound heald frame in the drafting treatment process;
s5, weaving: weaving the warp processed in the step S4 and the weft processed in the step S1 as raw materials to obtain a grey cloth with the area density of 332 x 124/inch, wherein the adopted weaving machine comprises 15 groups of auxiliary nozzles, the airflow speed of the auxiliary nozzles is 90m/S, the yarn drafting force is 0.5Mpa, the opening time of the warp is 300 degrees, the opening angle is 32 degrees, the tension of the warp is 2800N, the weft insertion time is 80 degrees, and the arrival time of the weft is 230 degrees;
s6, pretreatment:
s6.1, desizing: the grey cloth is firstly placed in hot water at 90 ℃ for soaking for 5min, and then the grey cloth is placed in a biological enzyme solution with the pH value of 6.5 for soaking, wherein the biological enzyme consists of alpha-amylase and polyvinyl alcohol degrading enzyme, the concentration of the alpha-amylase is 3g/L, and the concentration of the polyvinyl alcohol degrading enzyme is 2 g/L; then padding, wherein the mangle ratio is 110 wt%; then treating at 50 deg.C for 60min, inactivating enzyme with 95 deg.C hot water, washing with water, and oven drying at 65 deg.C for 1.5 min;
s6.2, boiling: after desizing, placing the grey cloth in a refined enzyme solution with the pH value of 7.0 to be treated for 60min at 50 ℃, wherein the refined enzyme consists of ligninase, pectinase and cellulase, the concentration of the ligninase is 4g/L, the concentration of the pectinase is 2g/L, the concentration of the cellulase is 4g/L, and the bath ratio is 1: 11; then carrying out enzyme deactivation treatment by using hot water of 95 ℃, washing with water, and drying for 1.5min at the temperature of 65 ℃;
s6.3, bleaching: placing the boiled grey cloth into an oxygen bleaching solution with the concentration of 8g/L of hydrogen peroxide (the hydrogen peroxide is hydrogen peroxide with the volume concentration of 30vol percent of hydrogen peroxide) and the concentration of 2g/L of penetrant JFC according to the bath ratio of 1:10, heating the oxygen bleaching solution to 95 ℃ at the speed of 2.5 ℃/min, preserving the temperature for 60min, then adjusting the pH value of the oxygen bleaching solution to 7.0 by using glacial acetic acid, taking out and cleaning;
s6.4, printing and dyeing: and (3) sequentially carrying out printing and dyeing processes on the grey cloth subjected to the oxygen bleaching treatment to obtain the long stapled cotton high-count and ultra-high density fabric.
Example 2
The long stapled cotton high count and ultra-high density fabric is produced by the following steps:
s1, selecting raw materials: the Xinjiang long stapled cotton yarn with the fineness of 100S is used as warp yarn, and the Xinjiang long stapled cotton and the fine stapled cotton are mixed according to the mass percentage of 40 percent: 60 wt% of prepared blended yarns with fineness of 50S are taken as weft yarns;
s2, warping: warping the warp yarns in the step S1 by using a warping machine, wherein in the warping process, the single-shaft head number of the warping machine is 1250, the speed of the warping machine is 460m/min, the yarn tension is controlled to be 9cN by using a yarn clamping device and a tension disc together, and the warping pressure is 200 cN;
s3, sizing: and (2) sizing the warp processed in the step S2 by using a triple-size-box sizing machine, wherein in a sizing agent aqueous solution adopted in the sizing process, the concentration of the sizing agent is 13 wt%, the viscosity of the sizing agent is 9S, the temperature of the sizing agent is 95 ℃, and the sizing agent is prepared from acetate modified starch and hydroxymethyl cellulose according to the mass ratio of 6: 4, preparing a composition; the slurry dipping mode is two-dipping and two-rolling, and the mangle ratio is 45 wt%; the width of the roller is 2000 mm;
s4, drafting: performing drafting treatment on the warp yarns processed in the step S3, wherein the adopted heald frame is a compound heald frame in the drafting treatment process;
s5, weaving: weaving the warp processed in the step S4 and the weft processed in the step S1 as raw materials to obtain a grey cloth with the area density of 332 x 124/inch, wherein the adopted weaving machine comprises 14 groups of auxiliary nozzles, the air flow speed of the auxiliary nozzles is 95m/S, the yarn drafting force is 0.53Mpa, the opening time of the warp is 300 degrees, the opening angle is 30 degrees, the tension of the warp is 2700N, the weft insertion time is 80 degrees, and the arrival time of the weft is 230 degrees;
s6, pretreatment:
s6.1, desizing: firstly, placing the gray fabric in hot water at 90 ℃ for soaking for 5min, then placing the gray fabric in a biological enzyme solution with the pH value of 6.5 for soaking, wherein the biological enzyme consists of alpha-amylase, debranching enzyme and cellulase, the concentration of the alpha-amylase is 5g/L, the concentration of the debranching enzyme is 1.5g/L, and the concentration of the cellulase is 1.5 g/L; then padding, wherein the mangle ratio is 110 wt%; then treating at 50 deg.C for 70min, inactivating enzyme with 95 deg.C hot water, washing with water, and oven drying at 75 deg.C for 1 min;
s6.2, boiling: after desizing, placing the gray fabric in a refined enzyme solution with the pH value of 7.0 to treat for 50min at the temperature of 60 ℃, wherein the refined enzyme consists of cellulase, lipase and pectinase, the concentration of the cellulase is 4g/L, the concentration of the lipase is 3g/L, the concentration of the pectinase is 1.5g/L, and the bath ratio of the refined enzyme solution to the gray fabric is 1: 10; then, carrying out enzyme deactivation treatment by using hot water of 95 ℃, washing by using the hot water, and drying for 1min at the temperature of 75 ℃;
s6.3, bleaching: placing the boiled grey cloth into an oxygen bleaching solution with the concentration of 6g/L hydrogen peroxide (the hydrogen peroxide is hydrogen peroxide with the volume concentration of 30 vol%) and the concentration of 1.5g/L penetrant JFC according to the bath ratio of 1:9, heating the oxygen bleaching solution to 90 ℃ at the speed of 1.5 ℃/min, preserving the temperature for 50min, then adjusting the pH value of the oxygen bleaching solution to 7.0 by using glacial acetic acid, taking out and cleaning;
s6.4, printing and dyeing: and (3) sequentially carrying out printing and dyeing processes on the grey cloth subjected to the oxygen bleaching treatment to obtain the long stapled cotton high-count and ultra-high density fabric.
Example 3
The long stapled cotton high count and ultra-high density fabric is produced by the following steps:
s1, selecting raw materials: the Xinjiang long staple cotton yarn with the fineness of 120S is used as warp yarn, and the Xinjiang long staple cotton and the fine staple cotton are used according to the mass percentage of 70 wt%: 30 wt% of blended yarns with the fineness of 70S are taken as weft yarns;
s2, warping: warping the warp yarns in the step S1 by using a warping machine, wherein in the warping process, the single-shaft head number of the warping machine is 1100, the speed of the warping machine is 440m/min, the yarn tension is controlled to be 11cN by using a yarn gripper and a tension disc together, and the warping pressure is 190 cN;
s3, sizing: and (2) sizing the warp processed in the step S2 by using a three-size-groove sizing machine, wherein in a sizing aqueous solution adopted in the sizing process, the concentration of sizing is 15 wt%, the viscosity of the sizing is 11S, the temperature of the sizing is 98 ℃, and the sizing is prepared from acetate modified starch and polyvinyl alcohol PVA-1799 according to the mass ratio of 8: 2, preparing a composition; the slurry dipping mode is two-dipping and two-rolling, and the mangle expression is 30 wt%; the width of the roller is 1900 mm;
s4, drafting: performing drafting treatment on the warp yarns treated in the step S3, wherein the adopted heald frame is a compound heald frame in the drafting treatment process;
s5, weaving: weaving the warp yarns processed in the step S4 and the weft yarns processed in the step S1 as raw materials to obtain a grey fabric with the area density of 430 × 138/inch, wherein the adopted weaving machine comprises 16 groups of auxiliary nozzles, the air flow speed of the auxiliary nozzles is 105m/S, the yarn traction force is 0.6Mpa, the opening time of the warp yarns is 310 degrees, the opening angle is 30 degrees, the warp yarn tension is 2800N, the weft insertion time is 90 degrees, and the arrival time of the weft yarns is 240 degrees;
s6, pretreatment:
s6.1, desizing: firstly, soaking the gray fabric in hot water at 90 ℃ for 5min, and then soaking the gray fabric in a biological enzyme solution with the pH value of 7.0, wherein the biological enzyme consists of alpha-amylase and polyvinyl alcohol degrading enzyme, the concentration of the alpha-amylase is 2.5g/L, and the concentration of the polyvinyl alcohol degrading enzyme is 1.5 g/L; then padding, wherein the mangle ratio is 100 wt%; then treating at 45 deg.C for 75min, inactivating enzyme with 98 deg.C hot water, washing with water, and oven drying at 60 deg.C for 2 min;
s6.2, boiling: after desizing, placing the grey cloth in a refined enzyme solution with the pH value of 7.0 to be treated for 65min at the temperature of 44 ℃, wherein the refined enzyme consists of cellulase and pectinase, the concentration of the cellulase is 5g/L, the concentration of the pectinase is 1g/L, and the bath ratio is 1: 15; then carrying out enzyme deactivation treatment by using hot water at the temperature of 98 ℃, washing by water, and drying for 2min at the temperature of 60 ℃;
s6.3, bleaching: placing the boiled grey cloth into an oxygen bleaching solution with the concentration of 9g/L of hydrogen peroxide (the hydrogen peroxide is hydrogen peroxide with the volume concentration of 30vol percent of hydrogen peroxide) and the concentration of 2.5g/L of penetrant JFC according to the bath ratio of 1:9, heating the oxygen bleaching solution to 98 ℃ at the speed of 3 ℃/min, preserving the temperature for 50min, then adjusting the pH value of the oxygen bleaching solution to 7.0 by using glacial acetic acid, taking out and cleaning;
s6.4, printing and dyeing: and (3) sequentially carrying out printing and dyeing processes on the grey cloth subjected to the oxygen bleaching treatment to obtain the long stapled cotton high-count and ultra-high density fabric.
Example 4
The long stapled cotton high count and ultra-high density fabric is produced by the following steps:
s1, selecting raw materials: the Xinjiang long staple cotton yarn with the fineness of 120S is used as warp yarn, and the Xinjiang long staple cotton and the fine staple cotton are used according to the mass percentage of 70 wt%: 30 wt% of blended yarns with the fineness of 70S are taken as weft yarns;
s2, warping: warping the warp yarns in the step S1 by using a warping machine, wherein in the warping process, the single-shaft head number of the warping machine is 1250, the vehicle speed is 430m/min, the yarn tension is controlled to be 11cN by using a yarn clamp and a tension disc together, and the warping pressure is 200 cN;
s3, sizing: and (2) adopting a three-size-tank slasher to carry out sizing treatment on the warp yarn treated in the step S2, wherein in a sizing agent aqueous solution adopted in the sizing process, the concentration of the sizing agent is 15 wt%, the viscosity of the sizing agent is 11S, the temperature of the sizing agent is 98 ℃, and the sizing agent is prepared from cation modified starch, hydroxymethyl cellulose and polyvinyl alcohol PVA-1799 according to the mass ratio of 5: 3: 2, preparing a composition; the slurry dipping mode is two-dipping and two-rolling, and the mangle ratio is 30 wt%; the width of the roller is 2300 mm;
s4, drafting: performing drafting treatment on the warp yarns processed in the step S3, wherein the adopted heald frame is a compound heald frame in the drafting treatment process;
s5, weaving: weaving the warp yarns processed in the step S4 and the weft yarns processed in the step S1 as raw materials to obtain a grey fabric with the area density of 430 × 138/inch, wherein the adopted weaving machine comprises 18 groups of auxiliary nozzles, the flow range allowed by the auxiliary nozzles is 110m/S of air flow speed, the yarn traction force is 0.6Mpa, the opening time of the warp yarns is 300 degrees, the opening angle is 30 degrees, the warp yarn tension is 2600N, the weft insertion time is 90 degrees, and the arrival time of the weft yarns is 240 degrees;
s6, pretreatment:
s6.1, desizing: firstly, placing the gray fabric in hot water at 87 ℃ for soaking for 5min, and then placing the gray fabric in a biological enzyme solution with the pH value of 7.0 for soaking, wherein the biological enzyme consists of alpha-amylase, cellulase and polyvinyl alcohol degrading enzyme, the concentration of the alpha-amylase is 4g/L, the concentration of the cellulase is 1.5g/L, and the concentration of the polyvinyl alcohol degrading enzyme is 2 g/L; then padding, wherein the mangle expression is 80 wt%; then treating at 45 deg.C for 80min, inactivating enzyme with 95 deg.C hot water, washing with water, and oven drying at 70 deg.C for 1.5 min;
s6.2, boiling: after desizing, placing the grey cloth in a refined enzyme solution with the pH value of 6.0 to treat for 70min at 60 ℃, wherein the refined enzyme consists of lipase, ligninase, pectinase and cellulose, the concentration of the lipase is 1g/L, the concentration of the ligninase is 3g/L, the concentration of the pectinase is 1.5g/L, the concentration of the cellulose is 3g/L, and the bath ratio is 1: 16; then carrying out enzyme deactivation treatment by using hot water of 95 ℃, washing with water, and drying for 1.5min at the temperature of 70 ℃;
s6.3, bleaching: placing the boiled grey cloth into an oxygen bleaching solution with the concentration of 9g/L of hydrogen peroxide (the hydrogen peroxide is hydrogen peroxide with the volume concentration of 30vol percent of hydrogen peroxide) and the concentration of 2.5g/L of penetrant JFC according to the bath ratio of 1:10, heating the oxygen bleaching solution to 95 ℃ at the speed of 2 ℃/min, preserving the temperature for 60min, then adjusting the pH value of the oxygen bleaching solution to 7.0 by using glacial acetic acid, taking out and cleaning;
s6.4, printing and dyeing: and (3) sequentially carrying out printing and dyeing processes on the grey cloth subjected to the oxygen bleaching treatment to obtain the long stapled cotton high-count and ultra-high density fabric.
Comparative example 1
A long stapled cotton high count ultra high density fabric was produced in the same manner as in example 1, except that the following conditions were applied:
s2, warping: and (4) warping the warps obtained in the step S1 by using a warping machine, wherein in the warping process, the number of single-shaft heads of the warping machine is 1200, the speed of the warping machine is 450m/min, the tension of the yarns is controlled to be 9cN by using a tension disc alone, and the warping pressure is 210 cN.
Comparative example 2
A long stapled cotton high count ultra high density fabric was produced in the same manner as in example 1, except that the following conditions were applied:
s2, warping: and (4) warping the warps obtained in the step S1 by using a warping machine, wherein in the warping process, the number of single-shaft heads of the warping machine is 1200, the speed of the warping machine is 450m/min, the tension of the yarns is controlled to be 9cN by using a yarn clamp alone, and the warping pressure is 210 cN.
Comparative example 3
A long stapled cotton high count ultra high density fabric was produced in the same manner as in example 1, except that the following conditions were applied:
s2, warping: and (4) warping the warps obtained in the step S1 by using a warping machine, wherein in the warping process, the number of single-shaft heads of the warping machine is 1200, the speed of the warping machine is 450m/min, the yarn tension is controlled to be 15cN by using a yarn clamping device and a tension disc together, and the warping pressure is 210 cN.
Comparative example 4
A long stapled cotton high count ultra high density fabric was produced in the same manner as in example 1, except that the following conditions were applied:
s3, sizing: the warp yarn processed in step S2 is subjected to sizing treatment using a single size box slasher.
Comparative example 5
A long stapled cotton high count ultra high density fabric was produced in the same manner as in example 1, except that the following conditions were applied:
s3, sizing: sizing the warp processed in the step S2 by using a three-size-tank sizing machine, wherein the concentration of the sizing agent in the sizing agent adopted in the sizing process is 12 wt%, and the sizing agent only consists of cation modified starch; the slurry dipping mode is two-dipping and two-rolling, and the mangle ratio is 40 wt%; the width of the roll was 2100 mm.
Comparative example 6
A long stapled cotton high count ultra high density fabric was produced in the same manner as in example 1, except that the following conditions were applied:
s4, drafting: and (4) performing drafting treatment on the warp yarns processed in the step S3, wherein the adopted heald frame is a single-row heald frame in the drafting treatment process.
Comparative example 7
A long stapled cotton high count ultra high density fabric was produced in the same manner as in example 1, except that the following conditions were applied:
s5, weaving: the weaving machine used comprises 8 sets of secondary nozzles.
Comparative example 8
A long stapled cotton high count ultra high density fabric was produced in the same manner as in example 1, except that the following conditions were applied:
s5, weaving: and weaving by using the warp yarns processed in the step S4 and the weft yarns processed in the step S1 as raw materials, wherein the grey cloth density is 217 x 130 pieces/inch.
Comparative example 9
A long stapled cotton high count ultra high density fabric was produced in the same manner as in example 3, except that the following conditions were applied:
s5, weaving: and weaving by using the warp yarns processed in the step S4 and the weft yarns processed in the step S1 as raw materials, wherein the grey cloth density is 280 x 120 pieces/inch.
Comparative example 10
A long stapled cotton high count ultra high density fabric was produced in the same manner as in example 1, except that the following conditions were applied:
s6.1, desizing: firstly, placing the gray fabric in hot water at 90 ℃ for soaking for 5min, and then placing the gray fabric in a biological enzyme solution with the pH value of 6.5 for soaking, wherein the biological enzyme consists of alpha-amylase and polyvinyl alcohol degrading enzyme, the concentration of the alpha-amylase is 3g/L, and the concentration of the polyvinyl alcohol degrading enzyme is 2 g/L; then, carrying out mangling, wherein the mangling rate is 110 wt%; then treating for 60min at 50 ℃, then inactivating enzyme with 1.5 wt% sodium hydroxide solution at normal temperature, washing with water, and drying at 65 ℃ for 1.5 min.
Comparative example 11
A long stapled cotton high count ultra high density fabric was produced in the same manner as in example 1, except that the following conditions were applied:
s6.1, desizing: desizing the gray fabric in a traditional mode, namely soaking the gray fabric in hot water at 90 ℃ for 5min, wherein the desizing process formula is as follows: 2g/L of NaOH, 2g/L of dispersing agent SD, 6302 g/L of detergent, putting the sizing cloth soaked in hot water into desizing liquid according to the bath ratio of 1:50, soaking at 98 ℃ for 30min, taking out, washing with hot water at 95 ℃ for 5min, washing with water, and drying at 60 ℃ for 2 min.
Comparative example 12
A long stapled cotton high count ultra high density fabric was produced in the same manner as in example 1, except that the following conditions were applied:
s6.2, boiling: scouring the grey cloth in a traditional mode, wherein the technical formula of the refining liquid is as follows: 2g/L of refining agent PSO and 20g/L of sodium hydroxide, adding the fabric into refining liquid according to the bath ratio of 1:40, treating for 50min at 95 ℃, washing for 3min with hot water at 90 ℃, taking out and drying for 1.5min at 65 ℃.
Comparative example 13
A long stapled cotton high count ultra high density fabric was produced in the same manner as in example 1, except that the following conditions were applied:
s6.3, the bleaching step adopts a chlorine bleaching process: performing chlorine bleaching treatment on the scoured fabric, wherein the process formula comprises the following steps: the effective chlorine is 4g/L, the pH value is adjusted to be 9, the fabric is piled for 50min after being soaked in the working solution, then is piled for 20min after being soaked in 4g/L hydrogen peroxide (the hydrogen peroxide is hydrogen peroxide with the volume concentration of 30vol percent), is washed for 3min by hot water at 80 ℃ after being taken out, and is dried for 2min at the temperature of 60 ℃.
Performance detection
In the production processes of examples 1 to 4, comparative examples 1 to 6 and comparative examples 8 to 13, the weft breaking strength of the gray fabric obtained after weaving and before pretreatment and the weft breaking strength of the fabric obtained after the treatment of the printing and dyeing process are respectively detected, and the formulas are shown in the specification
Calculating the retention rate of the latitudinal fracture strength, wherein lambda is the retention rate of the latitudinal fracture strength and the unit is; f1The weft fracture strength of the fabric obtained after the printing and dyeing process treatment is N; f0The weft breaking strength of the grey cloth obtained after weaving and before pretreatment is N;
and detecting the broken end rate of the warp yarn in the weaving process of the fabrics produced by the methods of examples 1-4 and comparative examples 1-6, wherein the unit is root/105Weft;
the fabrics produced by the methods of examples 1-4 and comparative examples 6-7 were tested for weft stop rate in times/10 during weaving5Weft, results are shown in table 2;
wherein the weft breaking strength is as per part 1 of the tensile property of textile fabrics of GB/T3923.1-2013: measuring breaking strength and breaking elongation (bar method);
the method for detecting the broken end rate of the warp yarns in the weaving process comprises the following steps: counting the number of broken ends of warp yarns of every 10 ten thousand weft yarns of each loom (counting 10 looms in total);
the method for detecting the weft stop rate in the weaving process comprises the following steps: and counting the weft stop times of every 10 ten thousand weft yarns of each loom in the weaving process (counting 10 looms in total).
TABLE 1 breaking Strength and warp end breakage Rate test results
TABLE 2 weft stop rate test results
| Source | Weft stop rate, times/105Weft yarn |
| Example 1 | 2 |
| Example 2 | 3 |
| Example 3 | 2 |
| Example 4 | 2 |
| Comparative example 6 | 23 |
| Comparative example 7 | 11 |
As is clear from tables 1 and 2, the weft breaking strength retention rates of examples 1 to 4 were significantly improved as compared with comparative examples 1 to 6 and comparative examples 8 to 13. Therefore, the invention solves the technical problem that the weft breaking strength of the grey cloth is obviously reduced due to pretreatment, and improves the weft breaking strength retention rate of the grey cloth.
Compared with example 1, the warp end breakage rate of comparative examples 1 and 2 is increased by 39 pieces/10 respectively5Weft count is 40/105And (6) weft yarns.
The warp end breakage rate of comparative example 3 was increased by 27/10 as compared to example 15And (6) weft yarns.
The warp end breakage ratios of comparative examples 4 and 5 were increased by 49/10, respectively, compared to example 15Weft count of 45/105And (6) weft yarns.
The warp end breakage rate of comparative example 6 was increased by 71/10 as compared to example 15And (6) weft yarns.
The weft stop rates of comparative examples 6 and 7 were increased by 21 times/10, respectively, compared to example 15Weft and 9 times/105And (6) weft yarns.
The weft breaking strength of comparative example 8 was reduced by 253N compared to example 1.
Comparative example 9 has a reduced weft break strength of 236N compared to example 3.
The weft breaking strength retention of comparative examples 10 and 11 was reduced by 5.35% and 6.32%, respectively, compared to example 1.
The weft breaking strength retention of comparative example 12 was reduced by 9.36% compared to example 1.
The weft breaking strength retention of comparative example 13 was reduced by 11.62% compared to example 1.
In conclusion, the invention reduces the end breakage rate and weft stop rate of warp yarns in the weaving process and improves the production efficiency by controlling the weaving mode and the process parameters thereof; by designing the high-warp-direction density fabric, the breaking strength of the fabric is greatly improved, and the durability is improved; the processing modes and technological parameters of the sizing process, the desizing process, the scouring process and the bleaching process are controlled, so that the weft breaking strength retention rate of the grey cloth is improved; the obtained high-warp-density long stapled cotton fabric has the advantages of fine hand feeling, soft texture and luster.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The production method of the long-staple cotton fabric is characterized by comprising the following steps:
s1, selecting raw materials: the long-staple cotton yarn is taken as warp yarn, and blended yarn made of long-staple cotton and fine-staple cotton is taken as weft yarn;
s2, warping: carrying out warping treatment on the warps obtained in the step S1 by adopting a warping machine, wherein in the warping treatment process, the single-shaft head part of the warping machine is 1100-1300 yarns, the speed is 400-480m/min, the yarn tension is controlled to be 8-11cN by adopting a yarn clamp and a tension disc together, and the warping pressure is 180-230 cN;
s3, sizing: sizing the warp yarn processed in the step S2;
s4, drafting: performing drafting treatment on the warp yarn treated in the step S3;
s5, weaving: weaving the warp yarns processed in the step S4 and the weft yarns processed in the step S1 as raw materials to obtain grey cloth;
s6, pretreatment: and (5) sequentially performing desizing, scouring, bleaching and printing and dyeing on the grey cloth obtained in the step (S5) to obtain the long stapled cotton fabric.
2. The method according to claim 1, wherein in step S1, the long stapled cotton is Xinjiang long stapled cotton;
and/or in step S1, the fineness of the warp yarns is 100-120S;
and/or in step S1, the fineness of the weft yarn is 50-70S;
and/or in the weft yarns in the step S1, the mass percentage of the long stapled cotton to the fine stapled cotton is 40-70 wt%: 60 to 30 weight percent.
3. The production method according to claim 1, wherein in the sizing process in step S3, a slasher is used as a triple-slasher;
and/or in the sizing liquid adopted in the sizing process in the step S3, the concentration of the sizing liquid is 10-15 wt%, the viscosity of the sizing liquid is 8-11S, and the temperature of the sizing liquid is 90-98 ℃;
and/or in the sizing process of the step S3, the sizing rate is 13 wt% -20 wt%, and the moisture regain is 5 wt% -7 wt%;
and/or in the sizing process in the step S3, the padding slurry mode is two-padding and two-rolling, the mangle rolling rate is 20 wt% -60 wt%, and the width of the roller is 1500-.
4. The production method according to claim 3, wherein the slurry is selected from one or more of polyvinyl alcohol, cationic modified starch, acetate modified starch, phosphate modified starch, and hydroxymethyl cellulose.
5. The method according to claim 1, wherein in the drawing-in process of step S4, the heald frames used are tandem heald frames;
and/or in the weaving process of the step S5, a weaving machine is adopted, the weaving machine comprises 10-18 groups of auxiliary nozzles, the air flow speed of the auxiliary nozzles is 70-110 m/S, and the yarn drawing force is 0.4-0.6 MPa;
and/or in the weaving process of the step S5, the opening time of the warp yarn is 280-330 degrees, the opening angle of the warp yarn is 28-35 degrees, the tension of the warp yarn is 2400N-2900N, the weft insertion time is 70-90 degrees, and the arrival time of the weft yarn is 210-240 degrees.
6. The production method according to claim 1, wherein in step S6, a desizing treatment is performed with a bio-enzyme solution;
and/or, the cooking in the step S6 comprises: placing the grey cloth in a refined enzyme solution for treatment, and then carrying out enzyme deactivation treatment and drying after washing;
and/or in step S6, the bleaching is carried out by adopting an oxygen bleaching mode, and the oxygen bleaching comprises the following steps: placing the boiled grey cloth in an oxygen bleaching solution, heating to 85-98 ℃ at the speed of 1-3 ℃/min, preserving the heat for 50-70min, adjusting the pH value of the oxygen bleaching solution to be neutral, taking out and cleaning, wherein the oxygen bleaching solution comprises hydrogen peroxide and a penetrating agent JFC.
7. The production method according to claim 6, wherein the biological enzyme is selected from one or more of α -amylase, saccharifying enzyme, debranching enzyme, polyvinyl alcohol degrading enzyme, and cellulase;
and/or the pH value of the biological enzyme solution is 5.5-7.0;
and/or, in the biological enzyme solution, the concentration of each component is 1-5 g/L;
and/or, the desizing treatment comprises: firstly, placing the gray fabric in hot water of 75-95 ℃ for soaking for 3-5min, then placing the gray fabric in a biological enzyme solution for soaking, and then carrying out mangling, wherein the mangling rate is 70-140 wt%; then treating at 35-65 deg.C for 50-90min, inactivating enzyme with 80-98 deg.C hot water, washing with water, and oven drying.
8. The production method according to claim 6, wherein the refining enzyme is selected from one or more of lipase, ligninase, pectinase and cellulase;
and/or the pH value of the refined enzyme solution is 5.0-7.0;
and/or, in the refined enzyme solution, the concentration of each component is 1-5 g/L;
and/or, the scouring process comprises: soaking the grey cloth in 35-65 deg.C refined enzyme solution for 50-90min, inactivating enzyme with 80-98 deg.C hot water, washing with water, and oven drying.
9. The production method according to claim 6, wherein in the oxygen bleaching liquid, the concentration of hydrogen peroxide is 4-10g/L, and the concentration of penetrant JFC is 1-3 g/L;
and/or the bath ratio is 1:9-14 in the oxygen bleaching process.
10. A long staple cotton fabric produced by the production method according to any one of claims 1 to 9.
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