CN111560685A - Cashmere fabric - Google Patents
Cashmere fabric Download PDFInfo
- Publication number
- CN111560685A CN111560685A CN202010402708.5A CN202010402708A CN111560685A CN 111560685 A CN111560685 A CN 111560685A CN 202010402708 A CN202010402708 A CN 202010402708A CN 111560685 A CN111560685 A CN 111560685A
- Authority
- CN
- China
- Prior art keywords
- fabric
- cashmere
- cashmere fabric
- sanding
- primary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004744 fabric Substances 0.000 title claims abstract description 246
- 210000000085 cashmere Anatomy 0.000 title claims abstract description 201
- 238000010411 cooking Methods 0.000 claims abstract description 63
- 230000001153 anti-wrinkle effect Effects 0.000 claims abstract description 52
- 239000000835 fiber Substances 0.000 claims abstract description 52
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 38
- 229920000742 Cotton Polymers 0.000 claims abstract description 27
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims description 62
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 48
- 230000001877 deodorizing effect Effects 0.000 claims description 36
- 238000005485 electric heating Methods 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 30
- 238000002360 preparation method Methods 0.000 claims description 27
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 22
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 20
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 19
- 239000004202 carbamide Substances 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 15
- 229910052799 carbon Inorganic materials 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 14
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 13
- 239000000654 additive Substances 0.000 claims description 13
- 229940015043 glyoxal Drugs 0.000 claims description 13
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 238000004806 packaging method and process Methods 0.000 claims description 12
- 230000000996 additive effect Effects 0.000 claims description 11
- 239000007864 aqueous solution Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 10
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000002791 soaking Methods 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 7
- 238000009835 boiling Methods 0.000 claims description 6
- 238000009987 spinning Methods 0.000 claims description 6
- 238000010790 dilution Methods 0.000 claims description 5
- 239000012895 dilution Substances 0.000 claims description 5
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 239000012982 microporous membrane Substances 0.000 claims description 4
- 238000009958 sewing Methods 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- 238000010408 sweeping Methods 0.000 claims description 4
- 238000009966 trimming Methods 0.000 claims description 4
- 238000009960 carding Methods 0.000 claims description 3
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 3
- 238000009298 carbon filtering Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 claims 1
- ZEYUSQVGRCPBPG-UHFFFAOYSA-N 4,5-dihydroxy-1,3-bis(hydroxymethyl)imidazolidin-2-one Chemical compound OCN1C(O)C(O)N(CO)C1=O ZEYUSQVGRCPBPG-UHFFFAOYSA-N 0.000 abstract description 15
- WVJOGYWFVNTSAU-UHFFFAOYSA-N dimethylol ethylene urea Chemical compound OCN1CCN(CO)C1=O WVJOGYWFVNTSAU-UHFFFAOYSA-N 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 239000012466 permeate Substances 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 37
- 239000007789 gas Substances 0.000 description 31
- 229920002678 cellulose Polymers 0.000 description 12
- 239000001913 cellulose Substances 0.000 description 12
- YAMHXTCMCPHKLN-UHFFFAOYSA-N imidazolidin-2-one Chemical compound O=C1NCCN1 YAMHXTCMCPHKLN-UHFFFAOYSA-N 0.000 description 10
- 239000000126 substance Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 238000007363 ring formation reaction Methods 0.000 description 5
- 238000004132 cross linking Methods 0.000 description 4
- 238000010981 drying operation Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 238000004064 recycling Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241000283707 Capra Species 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- 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
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- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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- D06B23/22—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation for heating
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- D—TEXTILES; PAPER
- 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
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
- D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06C7/00—Heating or cooling textile fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
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- D06M13/432—Urea, thiourea or derivatives thereof, e.g. biurets; Urea-inclusion compounds; Dicyanamides; Carbodiimides; Guanidines, e.g. dicyandiamides
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a cashmere fabric, which comprises an outer layer fabric, a middle film layer and an inner layer fabric, wherein the middle film layer is a polytetrafluoroethylene microporous film layer; the outer layer fabric and the inner layer fabric are made of the same raw materials, and 50-70% of cashmere fibers, 10-30% of pure cotton fibers and 10-30% of silk fibers are all in percentage by weight; the invention can generate dimethylol ethylene urea and dimethylol dihydroxy ethylene urea according to the mutual reaction among the raw materials in the modified anti-wrinkle auxiliary agent, and achieve double anti-wrinkle effects, and the cooking operation is divided into two stages, so that the modified anti-wrinkle auxiliary agent is uniformly dispersed on the surface or in fiber gaps of the primary cashmere fabric, and both sides of the primary cashmere fabric are pressed after the cooking is finished, so that the humidity of the primary cashmere fabric is controlled to be 30%, and the modified anti-wrinkle auxiliary agent uniformly dispersed on the surface or in the fiber gaps of the primary cashmere fabric is fully absorbed and gradually permeates into fibers, thereby greatly improving the production quality of the cashmere fabric.
Description
Technical Field
The invention relates to the technical field of fabrics, in particular to a cashmere fabric.
Background
Cashmere fabric, namely a kind of garment fabric woven by using cashmere as a main raw material, is multipurpose for overcoat, thermal clothes and the like. The cashmere is a thin fine cashmere layer growing on the outer surface layer of the goat and covering the root of the goat coarse hair, belongs to rare special animal fibers, has rare yield and soft hand feeling, and is considered as fiber queen and soft gold by people.
The existing cashmere fabric has the problem of poor crease-resistant effect, and the condition of crease and deformation is easy to occur frequently after cleaning or storage and folding, so that the aesthetic degree of the cashmere fabric in use is influenced; in addition, in the production process of the existing cashmere fabric, the doped chemical additives are difficult to be fully absorbed, so that the normal service life of the cashmere fabric is easily influenced due to the residue of the chemical additives; meanwhile, when the existing cashmere fabric is dried in the production process, the situations of incomplete odor removal and low drying efficiency often occur, and the comfort of the cashmere fabric in use and the production efficiency of subsequent processes are greatly influenced.
The solution is now provided in view of the above problems.
Disclosure of Invention
The invention aims to provide a cashmere fabric, wherein urea in a modified anti-wrinkle auxiliary agent reacts with ethylenediamine to generate ethylene urea, the ethylene urea reacts with formaldehyde to generate dimethylol ethylene urea, glyoxal in the modified anti-wrinkle auxiliary agent also reacts with the urea after condensation cyclization to generate dimethylol dihydroxy ethylene urea, and the dimethylol ethylene urea and the dimethylol dihydroxy ethylene urea jointly act to realize double anti-wrinkle effects, and the dimethylol ethylene urea and the dimethylol dihydroxy ethylene urea introduce chemical bonds between two adjacent cellulose macromolecular chains in the cashmere fabric and establish proper covalent cross-linking relation to gradually form a closed three-dimensional network structure to prevent the cellulose macromolecular chains from sliding relatively when being subjected to external force, and reduce the capacity of the cellulose macromolecular chains to reestablish hydrogen bonds at new positions, the condition that folds and deformation are easy to occur after cleaning or storage and folding is avoided, the attractiveness degree of the cashmere fabric is further influenced, and the crease-resistant effect of the cashmere fabric is greatly improved;
in the fabric cooking treatment of the invention, the cooking operation of the primary cashmere fabric can be divided into two stages, wherein the cooking time of the first stage is controlled at 60 minutes, the cooking temperature is controlled at 80 ℃, the cooking time of the second stage is controlled at 15 minutes, and the cooking temperature is controlled at 120 ℃, so that the modified anti-wrinkle auxiliary agent is uniformly dispersed on the surface or in fiber gaps of the primary cashmere fabric, the primary cashmere fabric is taken out after the cooking is finished, the two surfaces of the primary cashmere fabric are both rolled, the humidity of the primary cashmere fabric is controlled at 30%, and the modified anti-wrinkle auxiliary agent uniformly dispersed on the surface or in the fiber gaps of the primary cashmere fabric is fully absorbed and gradually permeates into fibers, so that the influence on the normal service life of the cashmere fabric due to the residue of the modified anti-wrinkle auxiliary agent is avoided;
in the deodorizing and drying operation of the invention, the rotating shaft can be driven to rotate by the acting force of the airflow, so as to drive the cashmere fabric to be dried on the fixed plate to rotate, so that the two side surfaces of the cashmere fabric can be fully contacted with the high-temperature gas sprayed out by the nozzle, most of the high-temperature gas can be guided into the sealed box through the second sealed tube, the peculiar smell in the high-temperature gas is removed under the filtering action of the activated carbon filter screen in the sealed box, then the high-temperature gas takes away the heat on the heat conducting plate and is guided into the wind guide cover through the first sealed tube, so as to reduce the direct loss of the heat energy and realize the recycling of the heat energy, in the whole drying process, the heat generated by the first electric heating sheet and the second electric heating sheet is fully recycled, the heat loss is small, and simultaneously, the cashmere fabric to be dried on the fixed plate can be driven to rotate by the acting force of the airflow, so that the, the odor on the cashmere fabric to be dried is removed, so that the comfort of the cashmere fabric in use and the production efficiency of subsequent processes are not influenced.
The purpose of the invention can be realized by the following technical scheme: the cashmere fabric comprises an outer layer fabric, a middle film layer and an inner layer fabric, wherein the middle film layer is a polytetrafluoroethylene microporous film layer; the outer layer fabric and the inner layer fabric are made of the same raw materials, and 50-70% of cashmere fibers, 10-30% of pure cotton fibers and 10-30% of silk fibers are all in percentage by weight;
the preparation method of the outer layer fabric comprises the following steps:
1) putting cashmere fibers, pure cotton fibers and silk fibers into an ultrasonic cleaning machine together, completely soaking the cashmere fibers, the pure cotton fibers and the silk fibers in clear water, then ultrasonically cleaning for 30 minutes, controlling the working frequency to be 30KHz, further removing broken seeds, impurities and dust attached to the fibers, drying, then introducing the fibers into a carding machine for secondary impurity removal, controlling the rotating speed of a licker-in to be 250 revolutions per minute, so as to remove short fibers which are not suitable for processing in the fibers, and obtaining cotton slivers after mixing;
2) guiding the cotton slivers in the step 1) into a drawing frame for carrying out merging and drafting, wherein the merging and number of the cotton slivers is 6, the total drafting multiple is controlled to be 15 times, the length of the fragments of the cotton slivers is uniform, and then winding the cotton slivers outside a bobbin to obtain cooked slivers;
3) firstly, drawing and twisting the drawn sliver in the step 2) by a twisting roving frame to obtain roving yarns, then drawing and twisting the roving yarns by a spinning frame, and winding the roving yarns on a winding drum to obtain fine yarns, wherein the total drawing multiple of the twisting roving frame is controlled to be 5 times, the rotating speed of a main shaft is controlled to be 750 revolutions per minute, the total drawing multiple of the spinning frame is controlled to be 25 times, the rotating speed of a spindle is controlled to be 15000 revolutions per minute, and further, when the drawn sliver moves, opposite angular displacement occurs between the cross sections of the drawn sliver, the width of the drawn sliver gradually shrinks, and the drawn sliver is curled into a cylinder from a flat shape, so that the twist degree of the fine yarns is higher;
4) winding the fine yarn in the step 3) on a warp beam, then guiding weft yarns on the warp beam on a shuttle loom through a shuttle to be interwoven into grey cloth, and winding the grey cloth into a yardage roll;
5) putting the yardage roll obtained in the step 4) into a sanding machine for sanding, wherein sanding operation is single-side sanding, 8 sanding rollers are arranged on the sanding machine, the rotating direction of the sanding rollers is opposite to the moving direction of the yardage roll, the rotating speed of the sanding rollers is 120 r/min less than the traction speed of the yardage roll, then boiling and washing the yardage roll for 30 min by using warm water at the temperature of 80 ℃, and drying and forming the yardage roll to obtain an outer-layer fabric;
compared with the preparation method of the outer layer fabric, the preparation method of the inner layer fabric is the same in steps 1) to 4), and the step 5) is as follows: putting the yardage roll in the step 4) into a sanding machine for sanding, wherein the sanding operation is single-side sanding, 8 sanding rollers are arranged on the sanding machine, the rotation direction of the sanding rollers is the same as the movement direction of the yardage roll, the rotation speed of the sanding rollers is 180 r/min greater than the traction speed of the yardage roll, then boiling off and washing the yardage roll for 30 min by using warm water at the temperature of 80 ℃, and drying and forming the yardage roll to obtain an inner layer fabric; the straightening parallelism of the fiber yarns in each yardage roll is greatly improved, so that the fiber yarns are prevented from being adhered to each other and a large number of needle knots and cotton knots are generated, meanwhile, when the yardage roll of the outer-layer fabric is subjected to sanding operation, the rotating direction of the sanding roller is opposite to the moving direction of the yardage roll, the rotating speed of the sanding roller is 120 r/min lower than the traction speed of the yardage roll, when the yardage roll of the inner-layer fabric is subjected to sanding operation, the rotating direction of the sanding roller is the same as the moving direction of the yardage roll, and the rotating speed of the sanding roller is 180 r/min higher than the traction speed of the yardage roll, so that the sanding surface of the yardage roll of the outer-layer fabric is uniform in fluff, strong in drapability and more attractive, and the sanding surface of the yar.
A preparation method of cashmere fabric comprises the following steps:
1) stitching and trimming: sewing two side faces of the polytetrafluoroethylene microporous membrane layer with an unground face of the inner-layer fabric and an unground face of the outer-layer fabric respectively, and cutting off thread ends and burrs to obtain a primary cashmere fabric;
2) and (3) cooking the fabric: firstly, placing the primary cashmere fabric in the step 1) into a cooking tank filled with the modified anti-wrinkle auxiliary agent for cooking, wherein the cooking operation is divided into two stages, the cooking time of the first stage is controlled to be 60 minutes, the cooking temperature is controlled to be 80 ℃, the cooking time of the second stage is controlled to be 15 minutes, the cooking temperature is controlled to be 120 ℃, further, the modified anti-wrinkle auxiliary agent is uniformly dispersed on the surface or in fiber gaps of the primary cashmere fabric, so that the anti-wrinkle effect is outstanding, the primary cashmere fabric is taken out after cooking, both surfaces of the primary cashmere fabric are pressed and rolled, the humidity of the primary cashmere fabric is controlled to be 30%, further, the modified anti-wrinkle auxiliary agent uniformly dispersed on the surface or in the fiber gaps of the primary cashmere fabric is fully absorbed and gradually permeates into fibers, then the primary cashmere fabric is placed into a closed constant temperature box with the temperature of 45 ℃ for standing for 30 minutes, and then the primary cashmere fabric is taken out, keeping the temperature for 30 minutes, putting the cashmere fabric into a solution with a sodium hydroxide solvent, controlling the soaking time to be 60 minutes, further removing unreacted compounds remained on the primary cashmere fabric, removing methyl ammonia, dimethyl ammonia, trimethyl ammonia and free formaldehyde generated after reaction so as to avoid generating pungent smell, simultaneously removing the smell carried by the primary cashmere fabric, and finally washing the cashmere fabric with water to obtain the modified cashmere fabric;
3) drying and forming treatment: placing the modified cashmere fabric obtained in the step 2) in a drying device for deodorizing and drying to obtain a medium-grade cashmere fabric;
4) fabric combing treatment: combing and sweeping the two side surfaces of the middle-grade cashmere fabric in the step 3) along the same direction by using a carbon brush, and scattering interwoven warp yarns and weft yarns while the bristles of the carbon brush uniformly brush the cashmere on the middle-grade cashmere fabric to form cohesive cashmere strips so as to obtain the cashmere fabric;
5) packaging and storing treatment: packaging the cashmere fabric obtained in the step 4) by a packaging machine, and then storing the packaged cashmere fabric in a ventilated normal-temperature environment.
The preparation method of the modified anti-wrinkle auxiliary agent comprises the following steps: firstly adding urea, ethylenediamine and glyoxal into a reaction tank, mixing and stirring, heating to 45 ℃ after fully dissolving, then adding a sodium carbonate aqueous solution while stirring, adjusting the pH to be 5.0-5.5, then heating to 60 ℃, reacting at constant temperature for 90 minutes, cooling to 30 ℃ to obtain a mixed solution, then adding formaldehyde into the obtained mixed solution, adding the sodium carbonate aqueous solution while stirring, adjusting the pH to be 8.0-8.5, heating to 75 ℃, reacting at constant temperature for 60 minutes, cooling to room temperature, adding water for dilution, standing and filtering to obtain a modified anti-wrinkle additive, wherein the urea in the modified anti-wrinkle additive and the ethylenediamine react with each other to generate ethylene urea, the ethylene urea and the formaldehyde react with each other to generate dimethylol ethylene urea, and the glyoxal in the modified anti-wrinkle additive and the formaldehyde react with each other to generate dimethylol dihydroxyethylene urea after condensation cyclization, and double anti-wrinkle effects are realized through the combined action of the dimethylol ethylene urea and the dimethylol dihydroxy ethylene urea.
Wherein, the modified anti-wrinkle auxiliary agent comprises 50-60% of formaldehyde, 20-30% of urea, 5-15% of ethylenediamine and 5-15% of glyoxal according to weight percentage.
Wherein, the drying device comprises a support frame, a deodorizing and drying box, a box door, a liquid storage tank, an air outlet pipe, a fan, a first sealing pipe, a one-way valve, a sealing box, a control panel, a second sealing pipe, a fixing plate, a clamping block, a limiting block, a rotating shaft, a movable column, a nozzle, an air guide cover, a connecting pipe, a first electric heating sheet, a heat conducting plate, a second electric heating sheet, an active carbon filter screen, a telescopic spring and an air vent, the bottom of the deodorizing and drying box is fixedly provided with the support frame by welding, one side of the deodorizing and drying box is movably connected with the box door by a hinge, the control panel is arranged at the outer side of the box door, one side of the deodorizing and drying box is movably connected with the liquid storage tank by a buckle, the air outlet pipe is connected between the liquid storage tank and the deodorizing and drying box, the top, so as to prevent the gas in the odor drying box from being directly discharged, further prevent harmful substances such as formaldehyde from polluting the environment and damaging the human body, the interior of the odor removing drying box is movably connected with a rotating shaft through a bearing, two sides of the rotating shaft are correspondingly provided with fixed plates, air holes are uniformly formed in the fixed plates, the movable columns penetrate through the fixed plates, the upper ends and the lower ends of the movable columns are respectively provided with a clamping block and a limiting block, the outsides of the movable columns are sleeved with telescopic springs, the two ends of each telescopic spring are respectively fixed with the limiting blocks and the movable columns through spot welding, the fixed plates are correspondingly provided with two movable columns, the movable columns are close to the edges of the fixed plates, the movable columns, the clamping blocks and the limiting blocks are fixed through bolts, the clamping blocks can clamp cashmere fabric placed on the fixed plates conveniently, and, a fan is fixed at the center of the top of the deodorizing and drying box through a bolt, a connecting pipe is arranged at one side of the fan, and the connecting pipe passes through the deodorizing and drying box, and one end of the connecting pipe is screwed with the air guide cover, the bottom of the air guide cover is uniformly distributed with nozzles, the nozzle corresponds to the fixed plate, the inner wall of the air guide cover is uniformly provided with a first electric heating sheet, the center of the other side of the deodorizing and drying box is fixed with a sealing box through a bolt, and a second sealing pipe is connected between the sealing box and the deodorizing and drying box, a first sealing pipe is connected between the sealing box and the air guide cover, one side of the first sealing pipe is provided with a one-way valve, the interior of the sealing box is respectively provided with an active carbon filter screen and a heat conducting plate from bottom to top, the two sides of the heat-conducting plate are uniformly distributed with second electric heating sheets, and the control panel is electrically connected with a fan, a one-way valve, a first electric heating sheet and the second electric heating sheets.
The invention has the beneficial effects that:
1. according to the invention, urea in the modified anti-wrinkle auxiliary agent reacts with ethylenediamine to generate ethylene urea, the ethylene urea reacts with formaldehyde to generate dimethylol ethylene urea, the glyoxal in the modified anti-wrinkle auxiliary agent also reacts with the urea after condensation cyclization to generate dimethylol dihydroxy ethylene urea, and through the combined action of the dimethylol ethylene urea and the dimethylol dihydroxy ethylene urea, double anti-wrinkle effects are realized, and the dimethylol ethylene urea and the dimethylol dihydroxy ethylene urea introduce chemical bonds between two adjacent cellulose macromolecular chains in cashmere fabric, and establish a proper covalent crosslinking relation to gradually form a closed three-dimensional network structure so as to prevent the cellulose macromolecular chains from sliding relatively when being subjected to external force, and reduce the capability of the cellulose macromolecular chains in reconstructing hydrogen bonds at new positions, the condition that folds and deformation are easy to occur after cleaning or storage and folding is avoided, the attractiveness degree of the cashmere fabric is further influenced, and the crease-resistant effect of the cashmere fabric is greatly improved;
2. in the fabric cooking treatment of the invention, the cooking operation of the primary cashmere fabric is divided into two stages, the cooking time of the first stage is controlled at 60 minutes, the cooking temperature is controlled at 80 ℃, the cooking time of the second stage is controlled at 15 minutes, and the cooking temperature is controlled at 120 ℃, so that the modified anti-wrinkle auxiliary agent is uniformly dispersed on the surface or in fiber gaps of the primary cashmere fabric, the primary cashmere fabric is taken out after the cooking is finished, the two surfaces of the primary cashmere fabric are both rolled, the humidity of the primary cashmere fabric is controlled at 30%, and the modified anti-wrinkle auxiliary agent uniformly dispersed on the surface or in the fiber gaps of the primary cashmere fabric is fully absorbed and gradually permeates into fibers, so that the influence on the normal service life of the cashmere fabric due to the residue of the modified anti-wrinkle auxiliary agent is avoided;
3. in the deodorizing and drying operation of the invention, firstly, a box door is opened, the cashmere fabric to be dried is placed on a fixed plate, then a clamping block is pulled up to press the cashmere fabric to be dried, the cashmere fabric is clamped by the elastic force of a telescopic spring, then, after the box door is closed, a first electric heating sheet and a second electric heating sheet are opened by a control panel to preheat, a fan and a one-way valve are controlled by the control panel after a period of time, the fan guides gas into a wind scooper through a connecting pipe, the gas takes away heat generated by the first electric heating sheet, sprays high-temperature gas onto the cashmere fabric to be dried through a nozzle, simultaneously drives a rotating shaft to rotate by the acting force of airflow, further drives the cashmere fabric to be dried on the fixed plate to rotate, so that two side surfaces of the cashmere fabric can be fully contacted with the high-temperature gas sprayed by the nozzle, and most of the high-temperature gas can be guided into a sealed box through a second sealed pipe, and the peculiar smell in the high-temperature gas is removed under the filtering action of the activated carbon filter screen in the sealed box, then the high-temperature gas takes away the heat on the heat conducting plate, and the heat is guided into the air guide cover through the first sealed pipe, so that the direct loss of the heat energy is reduced, and the cyclic utilization of the heat energy is realized.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a flow chart of a preparation method of the present invention;
FIG. 2 is a schematic view of the overall structure of the drying apparatus of the present invention;
FIG. 3 is a schematic view of the overall front cross-sectional structure of the drying apparatus of the present invention;
FIG. 4 is a schematic view of the mounting of the retaining plate of the present invention;
in the figure: 1. a support frame; 2. a deodorizing and drying box; 3. a box door; 4. a liquid storage tank; 5. an air outlet pipe; 6. a fan; 7. a first seal tube; 8. a one-way valve; 9. a sealing box; 10. a control panel; 11. a second sealed tube; 12. a fixing plate; 13. a clamping block; 14. a limiting block; 15. a rotating shaft; 16. a movable post; 17. a nozzle; 18. a wind scooper; 19. a connecting pipe; 20. a first electric heating sheet; 21. a heat conducting plate; 22. a second electric heating sheet; 23. an active carbon filter screen; 24. a tension spring; 25. and (4) air holes.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a technical solution:
example 1:
the cashmere fabric comprises an outer layer fabric, a middle film layer and an inner layer fabric, wherein the middle film layer is a polytetrafluoroethylene microporous film layer; the raw materials of the outer layer fabric and the inner layer fabric are the same, and the raw materials comprise 60% of cashmere fibers, 20% of pure cotton fibers and 20% of silk fibers in percentage by weight;
the preparation method of the outer layer fabric comprises the following steps:
1) putting cashmere fibers, pure cotton fibers and silk fibers into an ultrasonic cleaning machine together, completely soaking the cashmere fibers, the pure cotton fibers and the silk fibers in clear water, then ultrasonically cleaning for 30 minutes, controlling the working frequency to be 30KHz, drying, then guiding the cashmere fibers, the pure cotton fibers and the silk fibers into a carding machine for secondary impurity removal, controlling the rotating speed of a licker-in to be 250 revolutions per minute, and mixing to obtain a cotton sliver;
2) guiding the cotton slivers in the step 1) into a drawing frame for merging and drafting, wherein the merging and number of the cotton slivers is 6, the total drafting multiple is controlled to be 15 times, and then winding the cotton slivers outside a bobbin to obtain cooked slivers;
3) firstly, drawing and twisting the drawn sliver in the step 2) by a twisting roving frame to obtain roving yarns, then drawing and twisting the roving yarns by a spinning frame, and winding the roving yarns on a winding drum to obtain fine yarns, wherein the total drawing multiple of the twisting roving frame is controlled at 5 times, the rotating speed of a main shaft is controlled at 750 revolutions per minute, the total drawing multiple of the spinning frame is controlled at 25 times, and the rotating speed of a spindle is controlled at 15000 revolutions per minute;
4) winding the fine yarn in the step 3) on a warp beam, then guiding weft yarns on the warp beam on a shuttle loom through a shuttle to be interwoven into grey cloth, and winding the grey cloth into a yardage roll;
5) putting the yardage roll obtained in the step 4) into a sanding machine for sanding, wherein sanding operation is single-side sanding, 8 sanding rollers are arranged on the sanding machine, the rotating direction of the sanding rollers is opposite to the moving direction of the yardage roll, the rotating speed of the sanding rollers is 120 r/min less than the traction speed of the yardage roll, then boiling and washing the yardage roll for 30 min by using warm water at the temperature of 80 ℃, and drying and forming the yardage roll to obtain an outer-layer fabric;
compared with the preparation method of the outer layer fabric, the preparation method of the inner layer fabric is the same in steps 1) to 4), and the step 5) is as follows: putting the yardage roll obtained in the step 4) into a sanding machine for sanding, wherein sanding operation is single-side sanding, 8 sanding rollers are arranged on the sanding machine, the rotation direction of the sanding rollers is the same as the movement direction of the yardage roll, the rotation speed of the sanding rollers is 180 r/min greater than the traction speed of the yardage roll, then boiling off and washing the yardage roll for 30 min by using warm water at the temperature of 80 ℃, and drying and forming the yardage roll to obtain the inner-layer fabric.
A preparation method of cashmere fabric comprises the following steps:
1) stitching and trimming: sewing two side faces of the polytetrafluoroethylene microporous membrane layer with an unground face of the inner-layer fabric and an unground face of the outer-layer fabric respectively, and cutting off thread ends and burrs to obtain a primary cashmere fabric;
2) and (3) cooking the fabric: firstly, placing the primary cashmere fabric in the step 1) into a cooking tank filled with a modified anti-wrinkle auxiliary agent for cooking, wherein the cooking operation is divided into two stages, the cooking time of the first stage is controlled to be 60 minutes, the cooking temperature is controlled to be 80 ℃, the cooking time of the second stage is controlled to be 15 minutes, the cooking temperature is controlled to be 120 ℃, the primary cashmere fabric is taken out after the cooking is finished, both sides of the primary cashmere fabric are pressed and rolled, the humidity of the primary cashmere fabric is controlled to be 30%, then the primary cashmere fabric is placed into a closed constant temperature box with the temperature of 45 ℃ for standing for 30 minutes, then the primary cashmere fabric is taken out and immersed into clear water with the temperature of 80 ℃, the clear water is placed into a solution with a sodium hydroxide solvent after the primary cashmere fabric is kept for 30 minutes, the soaking time is controlled to be 60 minutes, and finally, the modified;
3) drying and forming treatment: placing the modified cashmere fabric obtained in the step 2) in a drying device for deodorizing and drying to obtain a medium-grade cashmere fabric;
4) fabric combing treatment: combing and sweeping the two side surfaces of the middle-grade cashmere fabric in the step 3) along the same direction by using a carbon brush, and scattering interwoven warp yarns and weft yarns while the bristles of the carbon brush uniformly brush the cashmere on the middle-grade cashmere fabric to form cohesive cashmere strips so as to obtain the cashmere fabric;
5) packaging and storing treatment: packaging the cashmere fabric obtained in the step 4) by a packaging machine, and then storing the packaged cashmere fabric in a ventilated normal-temperature environment.
The preparation method of the modified anti-wrinkle auxiliary agent comprises the following steps: firstly adding urea, ethylenediamine and glyoxal into a reaction tank together, mixing and stirring, heating to 45 ℃ after fully dissolving, then adding a sodium carbonate aqueous solution while stirring, adjusting the pH to be 5.0-5.5, then heating to 60 ℃, reacting at a constant temperature for 90 minutes, cooling to 30 ℃ to obtain a mixed solution, then adding formaldehyde into the obtained mixed solution, adding the sodium carbonate aqueous solution while stirring, adjusting the pH to be 8.0-8.5, heating to 75 ℃, reacting at a constant temperature for 60 minutes, cooling to room temperature, adding water for dilution, standing and filtering to obtain the modified anti-wrinkle additive.
The modified anti-wrinkle auxiliary agent comprises 55% of formaldehyde, 25% of urea, 10% of ethylenediamine and 10% of glyoxal according to weight percentage.
Example 2:
the same as example 1.
A preparation method of cashmere fabric comprises the following steps: the same as in example 1.
The preparation method of the modified anti-wrinkle auxiliary agent comprises the following steps: adding urea and ethylenediamine into a reaction tank, mixing and stirring, heating to 45 ℃ after fully dissolving, then adding a sodium carbonate aqueous solution while stirring, adjusting the pH to be 5.0-5.5, then heating to 60 ℃, reacting at a constant temperature for 90 minutes, cooling to 30 ℃ to obtain a mixed solution, then adding formaldehyde into the obtained mixed solution, adding the sodium carbonate aqueous solution while stirring, adjusting the pH to be 8.0-8.5, heating to 75 ℃, reacting at a constant temperature for 60 minutes, cooling to room temperature, adding water for dilution, standing and filtering to obtain the modified anti-wrinkle additive.
The modified anti-wrinkle additive comprises 55% of formaldehyde, 30% of urea and 15% of ethylenediamine in percentage by weight.
Example 3:
the same as example 1.
A preparation method of cashmere fabric comprises the following steps: the same as in example 1.
The preparation method of the modified anti-wrinkle auxiliary agent comprises the following steps: firstly adding urea and glyoxal into a reaction tank, mixing and stirring, heating to 45 ℃ after fully dissolving, then adding a sodium carbonate aqueous solution while stirring, adjusting the pH value to be 5.0-5.5, then heating to 60 ℃, reacting at a constant temperature for 90 minutes, cooling to 30 ℃ to obtain a mixed solution, then adding formaldehyde into the obtained mixed solution, adding the sodium carbonate aqueous solution while stirring, adjusting the pH value to be 8.0-8.5, heating to 75 ℃, reacting at a constant temperature for 60 minutes, cooling to room temperature, adding water for dilution, standing and filtering to obtain the modified anti-wrinkle additive.
The modified anti-wrinkle auxiliary agent comprises 55% of formaldehyde, 30% of urea and 15% of glyoxal according to weight percentage.
Example 4:
the same as example 1.
A preparation method of cashmere fabric comprises the following steps:
1) stitching and trimming: sewing two side faces of the polytetrafluoroethylene microporous membrane layer with an unground face of the inner-layer fabric and an unground face of the outer-layer fabric respectively, and cutting off thread ends and burrs to obtain a primary cashmere fabric;
2) and (3) cooking the fabric: putting the primary cashmere fabric obtained in the step 1) into a cooking tank filled with a modified anti-wrinkle auxiliary agent for cooking, controlling the cooking time to be 45 minutes and the cooking temperature to be 90 ℃, taking out the primary cashmere fabric after the cooking is finished, putting the primary cashmere fabric into a closed constant temperature box with the temperature of 45 ℃, standing for 30 minutes, taking out the primary cashmere fabric, immersing the primary cashmere fabric into clear water with the temperature of 80 ℃, keeping the temperature for 30 minutes, putting the primary cashmere fabric into a solution with a sodium hydroxide solvent, controlling the soaking time to be 60 minutes, and finally washing with water to obtain the modified cashmere fabric;
3) drying and forming treatment: placing the modified cashmere fabric obtained in the step 2) in a drying device for deodorizing and drying to obtain a medium-grade cashmere fabric;
4) fabric combing treatment: combing and sweeping the two side surfaces of the middle-grade cashmere fabric in the step 3) along the same direction by using a carbon brush, and scattering interwoven warp yarns and weft yarns while the bristles of the carbon brush uniformly brush the cashmere on the middle-grade cashmere fabric to form cohesive cashmere strips so as to obtain the cashmere fabric;
5) packaging and storing treatment: packaging the cashmere fabric obtained in the step 4) by a packaging machine, and then storing the packaged cashmere fabric in a ventilated normal-temperature environment.
The preparation method of the modified anti-wrinkle auxiliary agent comprises the following steps: the same as in example 1.
The modified anti-wrinkle additive comprises the following raw materials in percentage by weight: the same as in example 1.
The comparisons made according to examples 1 to 4 above are as follows:
TABLE 1 Performance index test Table
It can be seen from table 1-comparison between example 1 and examples 2 and 3 in the performance index test table that the difference of the wrinkle recovery angle (degree) is large because in the modified anti-wrinkle auxiliary agent in example 1, urea reacts with ethylenediamine to form ethylene urea, then ethylene urea reacts with formaldehyde to form dimethylol ethylene urea, and simultaneously glyoxal in the modified anti-wrinkle auxiliary agent reacts with urea after condensation cyclization and formaldehyde to form dimethylol dihydroxy ethylene urea, and through the combined action of dimethylol ethylene urea and dimethylol dihydroxy ethylene urea, double anti-wrinkle effects are realized, and dimethylol ethylene urea and dimethylol dihydroxy ethylene urea introduce chemical bonds between two adjacent cellulose macromolecular chains in the cashmere fabric, and establish proper covalent cross-linking relationship to gradually form a closed three-dimensional network structure, the cashmere fabric has the advantages that relative slippage of the cellulose macromolecular chains under the action of external force is prevented, and the capability of the cellulose macromolecular chains in reestablishing hydrogen bonds at new positions is reduced, so that the phenomena of folds and deformation are avoided after cleaning or storage and folding, the attractiveness degree of the cashmere fabric is further influenced, and the crease-resistant effect of the cashmere fabric is greatly improved;
as can be seen from table 1-comparison between example 1 and example 4 in the performance index test table, the reason for the large difference between the wrinkle recovery angle (degree), the warp and weft breaking strength (N) and the warp and weft tearing strength (N) is that in the cooking process of the fabric in example 1, the cooking operation of the primary cashmere fabric is divided into two stages, the cooking time of the first stage is controlled at 60 minutes, the cooking temperature is controlled at 80 degrees, the cooking time of the second stage is controlled at 15 minutes, and the cooking temperature is controlled at 120 degrees, so that the modified anti-wrinkle additive is uniformly dispersed on the surface or in the fiber gaps of the primary cashmere fabric, and after the cooking is finished, the primary cashmere fabric is taken out, both sides of the primary cashmere fabric are rolled, so that the humidity of the primary cashmere fabric is controlled at 30%, and the modified anti-wrinkle additive uniformly dispersed or in the fiber gaps of the primary cashmere fabric is sufficiently absorbed, and gradually permeate into the fibers so as to avoid influencing the normal service life of the cashmere fabric due to the residue of the modified anti-wrinkle auxiliary agent.
As shown in fig. 1-3, the drying device comprises a support frame 1, a deodorizing and drying box 2, a box door 3, a liquid storage tank 4, an air outlet pipe 5, a fan 6, a first sealing pipe 7, a one-way valve 8, a sealing box 9, a control panel 10, a second sealing pipe 11, a fixing plate 12, a clamping block 13, a limiting block 14, a rotating shaft 15, a movable column 16, a nozzle 17, an air guide cover 18, a connecting pipe 19, a first electric heating sheet 20, a heat conducting plate 21, a second electric heating sheet 22, an active carbon filter screen 23, a telescopic spring 24 and an air vent 25, wherein the support frame 1 is fixed at the bottom of the deodorizing and drying box 2 by welding, the box door 3 is movably connected at one side of the deodorizing and drying box 2 by a hinge, the control panel 10 is installed at the outer side of the box door 3, the liquid storage tank 4 is movably connected at one side of the deodorizing and drying box 2 by a, soapy water is injected into the liquid storage tank 4, one end of the air outlet pipe 5 extends into the soapy water to prevent gas in the odor drying box from being directly discharged, and further harmful substances such as formaldehyde pollute the environment and damage human bodies, the interior of the odor removing drying box 2 is movably connected with a rotating shaft 15 through a bearing, two sides of the rotating shaft 15 are correspondingly provided with fixed plates 12, air holes 25 are uniformly formed in the fixed plates 12, movable columns 16 penetrate through the fixed plates 12, the upper ends and the lower ends of the movable columns are respectively provided with a clamping block 13 and a limiting block 14, telescopic springs 24 are sleeved outside the movable columns 16, two ends of each telescopic spring 24 are respectively fixed with the limiting block 14 and the movable columns 16 through spot welding, two movable columns 16 are correspondingly arranged on the fixed plates 12, the movable columns 16 are close to the edges of the fixed plates 12, the movable columns 16 are fixed with the clamping block 13 and the limiting block 14 through bolts, and improving the stability when the movable column is connected with the fixture block and the limiting block, the top center of the deodorizing drying box 2 is fixed with a fan 6 through a bolt, one side of the fan 6 is provided with a connecting pipe 19, the connecting pipe 19 passes through the deodorizing drying box 2, one end of the connecting pipe is screwed with a wind scooper 18, the bottom of the wind scooper 18 is uniformly distributed with nozzles 17, the nozzles 17 correspond to the fixed plate 12, the inner wall of the wind scooper 18 is uniformly provided with a first electric heating sheet 20, the center of the other side of the deodorizing drying box 2 is fixed with a sealing box 9 through a bolt, a second sealing pipe 11 is connected between the sealing box 9 and the deodorizing drying box 2, a first sealing pipe 7 is connected between the sealing box 9 and the wind scooper 18, one side of the first sealing pipe 7 is provided with a one-way valve 8, the inside of the sealing box 9 is respectively provided with an active carbon filter screen 23 and a heat conducting plate 21 from bottom, the control board 10 is electrically connected with a fan 6, a one-way valve 8, a first electric heating piece 20 and a second electric heating piece 22.
The working process is as follows: during the deodorizing and drying operation in the cashmere fabric production process, firstly, the box door 3 is opened, the cashmere fabric to be dried is placed on the fixed plate 12, then the fixture block 13 is pulled up to press the cashmere fabric to be dried, the cashmere fabric is tightly clamped by the elastic force of the expansion spring 24, then, after the box door 3 is closed, the first electric heating sheet 20 and the second electric heating sheet 22 are opened through the control panel 10 for preheating, the fan 6 and the one-way valve 8 are controlled to be opened through the control panel 10 after a period of time, the fan 6 guides the gas into the wind scooper 18 through the connecting pipe 19, the gas takes away the heat generated by the first electric heating sheet 20, then the high-temperature gas is sprayed onto the cashmere fabric to be dried through the nozzle 17, meanwhile, the rotating shaft 15 is driven to rotate by the acting force of the air flow, and then the cashmere fabric to be dried on the fixed plate 12 is driven to rotate, so that the two side faces of the cashmere fabric to be dried can be fully contacted, and a small part of high-temperature gas is guided into the liquid storage tank 4 through the air outlet pipe 5 and then discharged after being fully contacted with the cashmere fabric to be dried, while most of high-temperature gas is guided into the seal box 9 through the second seal pipe 11 and removes peculiar smell in the high-temperature gas under the filtering action of the activated carbon filter screen 23 in the seal box 9, then the high-temperature gas takes away heat on the heat conduction plate 21 and is guided into the air guide cover 18 through the first seal pipe 7 to reduce direct loss of heat energy and realize recycling of heat energy, in the whole drying process, the heat generated by the first electric heating sheet 20 and the second electric heating sheet 22 is fully recycled, the heat loss is small, meanwhile, the cashmere fabric to be dried on the fixing plate 12 is driven to rotate by the acting force of air flow, so that the high-temperature gas sprayed out through the nozzle 17 is fully contacted with the high-temperature gas to remove peculiar smell on the cashmere fabric to be dried, so as to avoid influencing the comfort of the cashmere fabric in use and the production efficiency of subsequent processes.
According to the production method, through reasonable design, in the production process of the outer fabric and the inner fabric of the cashmere fabric, when the lap of the outer fabric is subjected to sanding operation, the rotating direction of the sanding roller is opposite to the moving direction of the lap, the rotating speed of the sanding roller is 120 r/min less than the traction speed of the lap, when the lap of the inner fabric is subjected to sanding operation, the rotating direction of the sanding roller is the same as the moving direction of the lap, and the rotating speed of the sanding roller is 180 r/min greater than the traction speed of the lap, so that the sanding surface of the lap of the outer fabric is uniform in fluff, strong in draping feeling and more attractive, the texture of the sanding surface of the lap of the inner fabric is thick, the windproof effect is good, and meanwhile, the straightening parallel degree of fiber yarns in each lap is greatly improved, so that the fiber yarns are prevented from being adhered to each other and a large number of needle knots and cotton knots are generated; wherein, in the production process of the cashmere fabric, a modified crease-resistant auxiliary agent is added, urea in the modified crease-resistant auxiliary agent reacts with ethylenediamine to generate ethylene urea, the ethylene urea reacts with formaldehyde to generate dimethylol ethylene urea, glyoxal in the modified crease-resistant auxiliary agent also reacts with urea after condensation cyclization and formaldehyde to generate dimethylol dihydroxy ethylene urea, and double crease-resistant effects are realized through the combined action of the dimethylol ethylene urea and the dimethylol dihydroxy ethylene urea, and the dimethylol ethylene urea and the dimethylol dihydroxy ethylene urea introduce chemical bonds between two adjacent cellulose macromolecular chains in the cashmere fabric and establish proper covalent cross-linking relation to gradually form a closed three-dimensional network structure so as to prevent the cellulose macromolecular chains from sliding relatively under the action of external force, meanwhile, the capability of the cellulose macromolecular chains to reestablish hydrogen bonds at new positions is reduced, so that the phenomenon that folds and deformation are easy to occur after cleaning or storage and folding is avoided, the attractiveness degree of the cashmere fabric is further influenced, and the crease-resistant effect of the cashmere fabric is greatly improved; in the fabric cooking treatment in the cashmere fabric production process, the cooking operation of a primary cashmere fabric is divided into two stages, the cooking time of the first stage is controlled to be 60 minutes, the cooking temperature is controlled to be 80 ℃, the cooking time of the second stage is controlled to be 15 minutes, and the cooking temperature is controlled to be 120 ℃, so that the modified anti-wrinkle auxiliary agent is uniformly dispersed on the surface or in fiber gaps of the primary cashmere fabric, the primary cashmere fabric is taken out after cooking is finished, the two surfaces of the primary cashmere fabric are respectively rolled, the humidity of the primary cashmere fabric is controlled to be 30%, and the primary cashmere fabric fully absorbs the modified anti-wrinkle auxiliary agent uniformly dispersed on the surface or in the fiber gaps and gradually permeates into fibers so as to avoid influencing the normal service life of the cashmere fabric due to the residue of the modified anti-wrinkle auxiliary agent; wherein, when the deodorizing and drying operation is carried out in the cashmere fabric production process, firstly, the box door 3 is opened, the cashmere fabric to be dried is placed on the fixed plate 12, then the clamping block 13 is pulled up to press the cashmere fabric to be dried, the cashmere fabric is clamped tightly by the elastic force of the expansion spring 24, then, after the box door 3 is closed, the first electric heating sheet 20 and the second electric heating sheet 22 are opened through the control panel 10 for preheating, the control panel 10 controls the fan 6 and the one-way valve 8 to be opened after a period of time, the fan 6 guides the gas into the wind scooper 18 through the connecting pipe 19, the gas takes away the heat generated by the first electric heating sheet 20, then the high-temperature gas is sprayed onto the cashmere fabric to be dried through the nozzle 17, meanwhile, the rotating shaft 15 is driven to rotate by the acting force of the air flow, and then the cashmere fabric to be dried on the fixed plate 12 is driven to rotate, and both side surfaces of the box door can be fully contacted with the high-, and a small part of high-temperature gas is guided into the liquid storage tank 4 through the air outlet pipe 5 and then discharged after being fully contacted with the cashmere fabric to be dried, while most of high-temperature gas is guided into the seal box 9 through the second seal pipe 11 and removes peculiar smell in the high-temperature gas under the filtering action of the activated carbon filter screen 23 in the seal box 9, then the high-temperature gas takes away heat on the heat conduction plate 21 and is guided into the air guide cover 18 through the first seal pipe 7 to reduce direct loss of heat energy and realize recycling of heat energy, in the whole drying process, the heat generated by the first electric heating sheet 20 and the second electric heating sheet 22 is fully recycled, the heat loss is small, meanwhile, the cashmere fabric to be dried on the fixing plate 12 is driven to rotate by the acting force of air flow, so that the high-temperature gas sprayed out through the nozzle 17 is fully contacted with the high-temperature gas to remove peculiar smell on the cashmere fabric to be dried, so as to avoid influencing the comfort of the cashmere fabric in use and the production efficiency of subsequent processes.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The cashmere fabric is characterized by comprising an outer layer fabric, a middle film layer and an inner layer fabric, wherein the middle film layer is a polytetrafluoroethylene microporous film layer; the outer layer fabric and the inner layer fabric are made of the same raw materials, and 50-70% of cashmere fibers, 10-30% of pure cotton fibers and 10-30% of silk fibers are all in percentage by weight;
the preparation method of the outer layer fabric comprises the following steps:
1) putting cashmere fibers, pure cotton fibers and silk fibers into an ultrasonic cleaning machine together, completely soaking the cashmere fibers, the pure cotton fibers and the silk fibers in clear water, then ultrasonically cleaning for 30 minutes, controlling the working frequency to be 30KHz, drying, then guiding the cashmere fibers, the pure cotton fibers and the silk fibers into a carding machine for secondary impurity removal, controlling the rotating speed of a licker-in to be 250 revolutions per minute, and mixing to obtain a cotton sliver;
2) guiding the cotton slivers in the step 1) into a drawing frame for merging and drafting, wherein the merging and number of the cotton slivers is 6, the total drafting multiple is controlled to be 15 times, and then winding the cotton slivers outside a bobbin to obtain cooked slivers;
3) firstly, drawing and twisting the drawn sliver in the step 2) by a twisting roving frame to obtain roving yarns, and then drawing and twisting the roving yarns by a spinning frame to wind the roving yarns on a winding drum to obtain fine yarns;
4) winding the fine yarn in the step 3) on a warp beam, then guiding weft yarns on the warp beam on a shuttle loom through a shuttle to be interwoven into grey cloth, and winding the grey cloth into a yardage roll;
5) putting the yardage roll obtained in the step 4) into a sanding machine for sanding, wherein sanding operation is single-side sanding, 8 sanding rollers are arranged on the sanding machine, the rotating direction of the sanding rollers is opposite to the moving direction of the yardage roll, the rotating speed of the sanding rollers is 120 r/min less than the traction speed of the yardage roll, then boiling and washing the yardage roll for 30 min by using warm water at the temperature of 80 ℃, and drying and forming the yardage roll to obtain an outer-layer fabric;
compared with the preparation method of the outer layer fabric, the preparation method of the inner layer fabric is the same in steps 1) to 4), and the step 5) is as follows: putting the yardage roll obtained in the step 4) into a sanding machine for sanding, wherein sanding operation is single-side sanding, 8 sanding rollers are arranged on the sanding machine, the rotation direction of the sanding rollers is the same as the movement direction of the yardage roll, the rotation speed of the sanding rollers is 180 r/min greater than the traction speed of the yardage roll, then boiling off and washing the yardage roll for 30 min by using warm water at the temperature of 80 ℃, and drying and forming the yardage roll to obtain the inner-layer fabric.
2. The preparation method of the cashmere fabric is characterized by comprising the following steps:
1) stitching and trimming: sewing two side faces of the polytetrafluoroethylene microporous membrane layer with an unground face of the inner-layer fabric and an unground face of the outer-layer fabric respectively, and cutting off thread ends and burrs to obtain a primary cashmere fabric;
2) and (3) cooking the fabric: putting the primary cashmere fabric obtained in the step 1) into a cooking tank filled with a modified anti-wrinkle auxiliary agent for cooking, taking out the primary cashmere fabric after cooking, rolling both surfaces of the primary cashmere fabric to control the humidity of the primary cashmere fabric to be 30%, then putting the primary cashmere fabric into a closed constant temperature box with the temperature of 45 ℃, standing for 30 minutes, taking out the primary cashmere fabric, immersing the primary cashmere fabric into clear water with the temperature of 80 ℃, keeping the temperature for 30 minutes, putting the primary cashmere fabric into a solution with a solvent of sodium hydroxide, controlling the soaking time to be 60 minutes, and finally washing with water to obtain the modified cashmere fabric;
3) drying and forming treatment: placing the modified cashmere fabric obtained in the step 2) in a drying device for deodorizing and drying to obtain a medium-grade cashmere fabric;
4) fabric combing treatment: combing and sweeping the two side surfaces of the middle-grade cashmere fabric in the step 3) along the same direction by using a carbon brush, and scattering interwoven warp yarns and weft yarns while the bristles of the carbon brush uniformly brush the cashmere on the middle-grade cashmere fabric to form cohesive cashmere strips so as to obtain the cashmere fabric;
5) packaging and storing treatment: packaging the cashmere fabric obtained in the step 4) by a packaging machine, and then storing the packaged cashmere fabric in a ventilated normal-temperature environment.
3. The cashmere fabric according to claim 1, wherein in step 3), the total drawing multiple of the twisting roving frame is controlled at 5 times, the spindle rotation speed is controlled at 750 revolutions per minute, the total drawing multiple of the spinning frame is controlled at 25 times, and the spindle rotation speed is controlled at 15000 revolutions per minute.
4. The method for preparing cashmere fabric according to claim 2, wherein the cooking operation in step 2) is divided into two stages, the cooking time in the first stage is controlled at 60 minutes, the cooking temperature is controlled at 80 degrees, the cooking time in the second stage is controlled at 15 minutes, and the cooking temperature is controlled at 120 degrees.
5. The preparation method of the cashmere fabric according to claim 2, wherein the preparation method of the modified anti-wrinkle auxiliary agent in step 2) is as follows: firstly adding urea, ethylenediamine and glyoxal into a reaction tank together, mixing and stirring, heating to 45 ℃ after fully dissolving, then adding a sodium carbonate aqueous solution while stirring, adjusting the pH to be 5.0-5.5, then heating to 60 ℃, reacting at a constant temperature for 90 minutes, cooling to 30 ℃ to obtain a mixed solution, then adding formaldehyde into the obtained mixed solution, adding the sodium carbonate aqueous solution while stirring, adjusting the pH to be 8.0-8.5, heating to 75 ℃, reacting at a constant temperature for 60 minutes, cooling to room temperature, adding water for dilution, standing and filtering to obtain the modified anti-wrinkle additive.
6. The preparation method of the cashmere fabric according to claim 5, wherein the modified anti-wrinkle auxiliary agent comprises, by weight, 50-60% of formaldehyde, 20-30% of urea, 5-15% of ethylenediamine and 5-15% of glyoxal.
7. The preparation method of cashmere fabric according to claim 2, wherein the drying device in step 3) is composed of a support frame (1), a deodorizing drying box (2), a box door (3), a liquid storage tank (4), an air outlet pipe (5), a fan (6), a first sealing pipe (7), a one-way valve (8), a sealing box (9), a control panel (10), a second sealing pipe (11), a fixing plate (12), a clamping block (13), a limiting block (14), a rotating shaft (15), a movable column (16), a nozzle (17), an air guide cover (18), a connecting pipe (19), a first electric heating sheet (20), a heat conducting plate (21), a second electric heating sheet (22), an active carbon filtering screen (23), a telescopic spring (24) and an air vent (25), the support frame (1) is fixed at the bottom of the deodorizing drying box (2) by welding, one side of the deodorizing drying box (2) is movably connected with a box door (3) through a hinge, a control panel (10) is installed on the outer side of the box door (3), one side of the deodorizing drying box (2) is movably connected with a liquid storage tank (4) through a buckle, an air outlet pipe (5) is connected between the liquid storage tank (4) and the deodorizing drying box (2), the inside of the deodorizing drying box (2) is movably connected with a rotating shaft (15) through a bearing, two sides of the rotating shaft (15) are correspondingly provided with fixing plates (12), air holes (25) are uniformly formed in the fixing plates (12), a movable column (16) penetrates through the fixing plates (12), a clamping block (13) and a limiting block (14) are respectively arranged at the upper end and the lower end of the movable column (16), a telescopic spring (24) is sleeved outside the movable column (16), and the two ends of the telescopic spring (24) are, a fan (6) is fixed at the center of the top of the deodorizing and drying box (2) through a bolt, a connecting pipe (19) is installed on one side of the fan (6), the connecting pipe (19) penetrates through the deodorizing and drying box (2), a wind scooper (18) is screwed at one end of the connecting pipe, nozzles (17) are uniformly distributed at the bottom of the wind scooper (18), the nozzles (17) correspond to a fixed plate (12), first electric heating sheets (20) are uniformly arranged on the inner wall of the wind scooper (18), a sealing box (9) is fixed at the center of the other side of the deodorizing and drying box (2) through a bolt, a second sealing pipe (11) is connected between the sealing box (9) and the deodorizing and drying box (2), a first sealing pipe (7) is connected between the sealing box (9) and the wind scooper (18), a one-way valve (8) is installed on one side of the first sealing pipe (7, the inside of seal box (9) is provided with active carbon filter screen (23) and heat-conducting plate (21) from bottom to top respectively, the both sides evenly distributed of heat-conducting plate (21) has second electric heating piece (22), control panel (10) electric connection has fan (6), check valve (8), first electric heating piece (20) and second electric heating piece (22).
8. The preparation method of the cashmere fabric according to claim 7, wherein the top of the liquid storage tank (4) is uniformly provided with air outlet holes, soapy water is injected into the liquid storage tank (4), and one end of the air outlet pipe (5) extends into the soapy water.
9. The preparation method of the cashmere fabric according to claim 7, wherein the fixed plate (12) is correspondingly provided with two movable columns (16), the movable columns (16) are close to the edge of the fixed plate (12), and the movable columns (16), the clamping blocks (13) and the limiting blocks (14) are fixed through bolts.
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| CN202010402708.5A CN111560685A (en) | 2020-05-13 | 2020-05-13 | Cashmere fabric |
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| CN202010402708.5A CN111560685A (en) | 2020-05-13 | 2020-05-13 | Cashmere fabric |
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Cited By (3)
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| CN112663193A (en) * | 2020-12-09 | 2021-04-16 | 安徽正美线业科技有限责任公司 | Radiation-proof antistatic functional yarn and processing technology thereof |
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| CN113957583A (en) * | 2021-11-04 | 2022-01-21 | 内蒙古中禾绒毛纺织有限公司 | Manufacturing process of black-white thick-thin panel cashmere fabric |
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Application publication date: 20200821 |
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| WW01 | Invention patent application withdrawn after publication |