CN112095347A - Napping fabric and preparation process thereof - Google Patents
Napping fabric and preparation process thereof Download PDFInfo
- Publication number
- CN112095347A CN112095347A CN202010907568.7A CN202010907568A CN112095347A CN 112095347 A CN112095347 A CN 112095347A CN 202010907568 A CN202010907568 A CN 202010907568A CN 112095347 A CN112095347 A CN 112095347A
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- Prior art keywords
- grey cloth
- fabric
- finishing agent
- dipping
- sanding
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- 239000004744 fabric Substances 0.000 title claims abstract description 232
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 69
- 238000000034 method Methods 0.000 claims abstract description 46
- 230000008569 process Effects 0.000 claims abstract description 43
- 238000007730 finishing process Methods 0.000 claims abstract description 10
- 238000010008 shearing Methods 0.000 claims abstract description 10
- 238000007598 dipping method Methods 0.000 claims description 47
- 239000007788 liquid Substances 0.000 claims description 26
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 18
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 239000000839 emulsion Substances 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 238000007654 immersion Methods 0.000 claims description 9
- 235000021355 Stearic acid Nutrition 0.000 claims description 8
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 8
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 8
- 239000008117 stearic acid Substances 0.000 claims description 8
- 239000002202 Polyethylene glycol Substances 0.000 claims description 7
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 7
- 239000002518 antifoaming agent Substances 0.000 claims description 7
- 229920001223 polyethylene glycol Polymers 0.000 claims description 7
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- 239000004246 zinc acetate Substances 0.000 claims description 7
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 6
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 6
- 239000003995 emulsifying agent Substances 0.000 claims description 6
- 229920000570 polyether Polymers 0.000 claims description 6
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 229920002545 silicone oil Polymers 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- 238000003892 spreading Methods 0.000 claims description 4
- 230000007480 spreading Effects 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 241000251468 Actinopterygii Species 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000007865 diluting Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 3
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000002203 pretreatment Methods 0.000 claims 1
- 239000000835 fiber Substances 0.000 abstract description 8
- 230000003068 static effect Effects 0.000 abstract description 3
- 239000004753 textile Substances 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract 1
- 238000009966 trimming Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 235000011187 glycerol Nutrition 0.000 description 5
- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 206010021198 ichthyosis Diseases 0.000 description 2
- 201000002597 ichthyosis vulgaris Diseases 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- DUIOKRXOKLLURE-UHFFFAOYSA-N 2-octylphenol Chemical compound CCCCCCCCC1=CC=CC=C1O DUIOKRXOKLLURE-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- NCWQJOGVLLNWEO-UHFFFAOYSA-N methylsilicon Chemical compound [Si]C NCWQJOGVLLNWEO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012258 stirred mixture Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—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 oxygen
- D06M13/144—Alcohols; Metal alcoholates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—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 oxygen
- D06M13/144—Alcohols; Metal alcoholates
- D06M13/148—Polyalcohols, e.g. glycerol or glucose
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—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 oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—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 oxygen
- D06M13/224—Esters of carboxylic acids; Esters of carbonic acid
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/368—Hydroxyalkylamines; Derivatives thereof, e.g. Kritchevsky bases
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/53—Polyethers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
- D06M15/647—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain containing polyether sequences
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a napping fabric and a preparation process thereof, relates to textile manufacturing, and aims to solve the problem that the napping rate of the napping fabric is influenced by the fact that fiber batting generated in the napping process is adsorbed on the surface of the fabric to form false fluff under the action of static electricity, and the technical scheme is as follows: comprises a grey cloth which is sequentially subjected to a pretreatment process, a sanding process and a post-finishing process; the pretreatment process comprises the step of padding the grey cloth with a fluffing finishing agent. According to the invention, the napping rate in the napping process is improved by the impregnating and napping finishing agent, the antistatic finishing agent is impregnated into the napped fabric, so that fiber lint adsorbed on the surface of the fabric is removed, the antistatic capability of the nap is improved, the nap has a fluffy and thick touch feeling, and the quality of the napping fabric is improved by trimming the nap through the shearing operation.
Description
Technical Field
The invention relates to textile manufacturing, in particular to a napping fabric and a preparation process thereof.
Background
The napping fabric is a general name of various cotton fabrics which are subjected to warp or weft napping tissue and napping treatment, people often process the napping fabric to be used as textiles such as four-piece bedding, thermal underwear and the like in winter, the napping fabric is always the first choice of bedding in winter for vast consumers, and the napping fabric has good thermal insulation and skin friendliness.
In the course of working, the sand skin granule or card clothing on the roller surface of sanding rubs with the surface fabric surface, colludes the fibre on yarn surface by force, and surface fabric and roller of sanding accumulate a large amount of static at the surface fabric under the friction effect that the in-process was relapsed, and under the effect of static, make the fibre batting that the in-process of sanding produced adsorb and form false fine hair on the surface fabric surface, influence the raising rate of napping surface fabric.
Therefore, a new solution is needed to solve this problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a napping fabric and a preparation process thereof, wherein the napping rate of the fish scale fabric in the napping process is improved by dipping the napping finishing agent, the antistatic finishing agent is dipped in the napped fabric to remove fiber flocks adsorbed on the surface of the fabric, the antistatic capacity of the napping is improved, the napping has fluffy and thick touch, and the napping is trimmed by the napping operation to improve the quality of the napping fabric.
The technical purpose of the invention is realized by the following technical scheme: a pile fabric is characterized in that: the fabric comprises a grey fabric, wherein the grey fabric is subjected to a pretreatment process, a sanding process and a post-finishing process in sequence;
the pretreatment process comprises the step of padding the grey cloth with a fluffing finishing agent, wherein the fluffing finishing agent comprises the following components in percentage by weight:
methyl silicone emulsion: 17.5 to 26 percent
Isomeric tridecanols: 0.03-0.06%
Methyl-terminated polyether modified silicone oil: 0.03-0.06%
Stearic acid: 17.5 to 22 percent
Triethanolamine: 2.23 to 11.25 percent
Silicone emulsion: 3 to 12 percent of
The balance of water;
the post-finishing process comprises the step of dipping the grey cloth in an antistatic finishing agent, wherein the antistatic finishing agent comprises the following components in percentage by weight:
dimethyl terephthalate: 25-27.4 percent,
Mixed etherified polyethylene glycol: 27.4 to 31 percent
Sodium stearate: 6.25 to 6.85 percent
Glycerol: 16.44 to 16.67 percent
Zinc acetate: 13.7 to 16.67 percent
Emulsifier: 2.08-4.11%
Defoaming agent: 2 to 4 percent.
By adopting the technical scheme, the gray fabric is firstly dipped and fluffed by the fluffing finishing agent before the fabric is sanded, wherein the fluffing finishing agent contains methyl terminated polyether modified silicone oil and stearic acid, the gray fabric is treated in the dipping process to provide better smoothness, the fibers in the gray fabric are endowed with smooth and fluffy handfeel, the waterproof performance of the gray fabric is improved by the stearic acid, the washability of the gray fabric is improved, the gray fabric is easy to grab and fluff, the smooth fluff is formed on the surface of the gray fabric, the fluffing finishing agent is in a latex shape by isomeric tridecanol, organic silicon emulsion and triethanolamine, the fluffing finishing agent has the characteristic of high concentration and is convenient for people to carry out proportioning, and the antistatic finishing agent is added to the gray fabric after the sanding operation by a dipping mode, so that the gray fabric after the sanding operation has good antistatic capability, and on one hand, broken fluff adsorbed on the surface of the gray fabric is removed by a dipping mode, meanwhile, the fluff is more fluffy and smooth by reducing the electrostatic effect.
The invention is further configured to: the grey cloth is made of cotton and polyester weaved fish scale cloth.
By adopting the technical scheme, as the grey cloth is made of the ichthyosis vulgaris schott woven by cotton and polyester, the grey cloth can rub the terry structure on the surface of the ichthyosis vulgaris schott to form thick and uniform long velvet, so that the fabric has good texture.
The invention is further configured to: the processing steps of the pretreatment process of the grey cloth comprise:
s1, washing, namely putting the gray fabric into a horizontal cleaning machine, rinsing with clear water, and drying;
s2, melting materials, namely putting the fluffing finishing agent into a melting material cylinder, adding warm water at 40-50 ℃, and uniformly stirring to prepare fluffing finishing liquid, wherein the mass ratio of the fluffing finishing agent to the warm water is 1:10, and the pH value of the fluffing finishing liquid is 6-7;
s3, mixing materials, pouring the fluffing finishing liquid in the material melting barrel into a dipping and binding tank, and placing the grey cloth in the dipping and binding tank for standing for 15-20min at a constant temperature, wherein the bath ratio of the grey cloth to the fluffing finishing liquid is 1: 10;
s4, dipping, namely dipping the standing gray fabric by a binding machine, dipping twice, wherein the linear speed is 50-70m/min, and the residual rate is 70-80%.
Through adopting above-mentioned technical scheme, between the finishing agent of soakage fluff, wash grey cloth through the mode of washing, can clean matters such as fibre, impurity that grey cloth surface carried, improve the finishing effect of soakage fluff finishing agent for grey cloth has soft and smooth texture after the fluff finishing agent is put in order.
The invention is further configured to: the pretreatment process further comprises the following processing steps:
s5, drying, namely drying the gray fabric obtained after the dipping and fluffing finishing liquid at 80-100 ℃ by a dryer, wherein the evaporation strength per unit volume of the dryer is 120-180KG/m3。
S6, turning over, namely turning over the dried grey cloth through an air pressure type cloth turning machine;
and S7, arranging the cloth, namely sleeving the turned grey cloth on a rectangular support frame, and finishing the cloth edge of the grey cloth at the linear speed of 40-50 m/min.
By adopting the technical scheme, the impregnated gray fabric is dried by the dryer at the temperature of 80-100 ℃ to obtain the dried gray fabric, and the gray fabric is turned and arranged, so that the gray fabric has good finish degree during the sanding operation, the sanding operation is convenient, uniform and thick fluff is formed during the sanding operation of the gray fabric, and the hand feeling of the napping fabric is improved.
The invention is further configured to: the sanding process comprises the following steps:
z1, feeding, namely passing the turned grey cloth through an expanding roller of a sanding machine, and then sequentially passing through two groups of sanding rollers to form an S shape;
z2, tensioning adjustment, wherein the tensioning degree of the grey cloth is detected by pulling the grey cloth at the spreading roller, and the grey cloth is tightly attached to the sanding roller by tensioning one end of the grey cloth;
and Z3, sanding, and starting a sanding machine to sequentially sand the surface of the grey cloth at a linear speed of 70-80 m/min.
Through adopting above-mentioned technical scheme, can carry out the expanding to grey cloth after the turn-over reason cloth through the expanding roller for grey cloth is difficult for appearing folding situation when the sanding operation, keeps grey cloth to hug closely the roller of sanding simultaneously, makes grey cloth be in tight state when the sanding operation, makes the roller of sanding rotate when carrying out the sanding operation, and difficult wearing and tearing grey cloth.
The invention is further configured to: applying an antistatic finishing agent to the grey cloth subjected to the sanding process by a dipping method, and drying the grey cloth impregnated with the antistatic finishing agent to obtain a base cloth impregnated with the antistatic finishing agent, wherein the mass ratio of the grey cloth to the antistatic finishing agent is 100: 3-5.
By adopting the technical scheme, the gray fabric processed in the sanding process is finished in a dipping mode, so that the gray fabric has good antistatic capacity, meanwhile, the gray fabric is dried to obtain the base fabric, and the mass ratio of the antistatic finishing agent to the gray fabric is 3-5:100, so that the gray fabric has good antistatic performance and the quality of the gray fabric is not easy to damage.
The invention is further configured to: the antistatic finishing agent is applied to the grey cloth after the sanding process by a dipping method as follows:
proportioning an antistatic finishing agent, adding dimethyl terephthalate, polyethylene glycol and sodium stearate into a reaction vessel, heating to 245-plus-one temperature of 255 ℃, stirring, adding glycerol and zinc acetate in the process of cooling, and finally adding octylphenol polyoxyethylene ether as an emulsifier and a defoaming agent to prepare the antistatic finishing agent;
proportioning the immersion liquid, diluting the antistatic finishing agent obtained by proportioning to obtain the immersion liquid, wherein the bath ratio of the grey cloth to the diluted immersion liquid is 1: 10;
pre-dipping, namely placing the gray fabric after the sanding process into a dipping tank, pouring the matched dipping liquid to submerge the gray fabric and standing for 24 hours;
dewatering, namely finishing the fluff on the surface of the standing grey cloth, and then placing the grey cloth in a dewatering machine for dewatering;
and (3) drying by hot air, namely drying the dehydrated grey cloth by a dryer in a hot air circulation mode at the temperature of 110-.
By adopting the technical scheme, the antistatic finishing agent is diluted, and the gray fabric is impregnated in a standing mode, so that the effective components in the antistatic finishing agent can be fully adsorbed on the gray fabric, the antistatic capacity of the gray fabric is improved, the gray fabric can be dried in a hot air circulation drying mode, and the fluff on the surface of the gray fabric is not easily damaged.
The invention is further configured to: the post-finishing process comprises the following steps:
shearing, namely, finishing the fluff on the surface of the ground fabric which is dipped in the antistatic finishing agent and dried by a shearing machine;
and (4) steam setting, namely, the grey cloth after the shearing operation is finished is subjected to setting and width setting through a steam setting machine.
By adopting the technical scheme, the fluff on the surface of the grey cloth is sheared after the grey cloth is sequentially subjected to the steps of padding and fluffing finishing agent, sanding process and dipping antistatic finishing agent, so that the fluff on the surface of the grey cloth is more uniform.
In conclusion, the invention has the following beneficial effects:
before the fabric is sanded, firstly, a grey cloth is dipped and fluffed, wherein the fluffed finishing agent contains methyl terminated polyether modified silicone oil and stearic acid, the grey cloth is treated in the dipping process to provide a better smooth shape, the fibers in the grey cloth are endowed with smooth and fluffy handfeel, the waterproof performance of the grey cloth is improved through the stearic acid, the washability of the grey cloth is improved, the grey cloth is easy to grab and fluff, smooth fluff is formed on the surface of the grey cloth, the fluffed finishing agent is in a latex state through isomeric tridecanol, organic silicon emulsion and triethanolamine, the fluffed finishing agent has the characteristic of high concentration and is convenient for people to carry out proportioning, and the antistatic finishing agent is added to the grey cloth after the sanding operation through a dipping mode, so that the grey cloth after the sanding operation has good antistatic capability, on the one hand, broken fluff adsorbed on the surface of the grey cloth is removed through the dipping mode, meanwhile, the fluff is more fluffy and smooth by reducing the electrostatic effect.
Detailed Description
The present invention will be described in detail with reference to examples.
The napping fabric comprises grey cloth woven by cotton and polyester into a fish-scale cloth, wherein the grey cloth is subjected to a pretreatment process, a sanding process and a post-finishing process in sequence, the pretreatment process comprises the step of dipping the grey cloth into a napping finishing agent, and the napping finishing agent comprises the following components in percentage by weight:
methyl silicone emulsion: 17.5 to 26 percent
Isomeric tridecanols: 0.03-0.06%
Methyl-terminated polyether modified silicone oil: 0.03-0.06%
Stearic acid: 17.5 to 22 percent
Triethanolamine: 2.23 to 11.25 percent
Silicone emulsion: 3 to 12 percent of
The balance of water;
the preparation method comprises the following steps of stirring methyl silicon emulsion, isomeric tridecanol and methyl-terminated polyether modified silicone oil at a high speed to form a viscous state, stirring triethanolamine and stearic acid at a temperature of 150 ℃, mixing the stirred mixture, adding organic silicon emulsion and water, and preparing to form the fluffing finishing agent in an emulsion state.
The post-finishing process comprises the following steps of dipping the gray fabric in an antistatic finishing agent, wherein the antistatic finishing agent comprises the following components in percentage by weight:
dimethyl terephthalate: 25-27.4 percent,
Mixed etherified polyethylene glycol: 27.4 to 31 percent
Sodium stearate: 6.25 to 6.85 percent
Glycerol: 16.44 to 16.67 percent
Zinc acetate: 13.7 to 16.67 percent
Emulsifier: 2.08-4.11%
Defoaming agent: 2 to 4 percent.
The dimethyl terephthalate, the polyethylene glycol and the sodium stearate are added into a reaction vessel to be heated to 245-class 255 ℃ and stirred, the dimethyl terephthalate, the polyethylene glycol and the sodium stearate are cooled after being fully mixed, continuous glycerin and zinc acetate are added in the cooling process, the cooling efficiency can be accelerated, the glycerin and the zinc acetate are uniformly mixed, finally, the octyl phenol polyoxyethylene ether is added to be used as an emulsifier and a defoaming agent to prepare the antistatic finishing agent in an emulsion form, and the generation of bubbles in the antistatic finishing agent can be inhibited due to the addition of the defoaming agent.
When the pile fabric is prepared, firstly, the grey fabric is subjected to pretreatment:
and S1, washing the woven grey cloth, putting the grey cloth into a horizontal cleaning machine, injecting clear water which overflows the grey cloth, rinsing the grey cloth, specifically, rinsing the grey cloth for 30-40min, performing spin-drying operation on the grey cloth after rinsing is completed, and simultaneously performing material melting operation on a fluffing finishing agent.
S2, melting materials, namely putting the fluffing finishing agent into a melting material cylinder, adding warm water at 40-50 ℃, uniformly stirring to prepare fluffing finishing liquid, wherein the mass ratio of the fluffing finishing agent to the warm water is 1:10, and the pH value of the fluffing finishing liquid is measured to be 6-7;
s3, mixing materials, pouring the fluffing finishing liquid in the material melting barrel into a dipping and binding tank, and placing the grey cloth in the dipping and binding tank for standing for 15-20min at a constant temperature, wherein the bath ratio of the grey cloth to the fluffing finishing liquid is 1: 10;
s4, dipping, namely dipping the standing gray fabric by a binding machine, dipping twice, wherein the linear speed is 50-70m/min, and the residual rate is 70-80%.
S5, drying, namely drying the gray fabric obtained after the dipping and fluffing finishing liquid by a dryer at the temperature of 80-100 ℃, wherein the evaporation strength per unit volume of the dryer is 120-180KG/m3
S6, turning over, namely turning over the dried grey cloth through an air pressure type cloth turning machine;
and S7, arranging the cloth, namely sleeving the turned grey cloth on a rectangular support frame, and finishing the cloth edge of the grey cloth at the linear speed of 40-50 m/min.
The sanding process comprises the following steps: z1, feeding, namely passing the turned grey cloth through a spreading roller of a sanding machine, then sequentially passing the grey cloth through two groups of sanding rollers to form an S shape, and tightly attaching the grey cloth to the spreading roller and the sanding rollers to tension and adjust the grey cloth in the feeding process;
z2, tensioning and adjusting, wherein the tightness of the gray fabric is checked by manually pulling the gray fabric, the judgment standard is that the distance between the gray fabric and a sanding roller is kept at 2-4cm by manually pulling the gray fabric, if the distance between the gray fabric and the sanding roller is larger, the end of the gray fabric is pulled tightly by tearing the gray fabric to the two ends of the gray fabric in the initial stage of starting a sanding machine, the specific initial stage is a stage of starting the sanding machine and driving the gray fabric to move, and the time of the initial stage is 3-5S;
z3, sanding, when the sanding machine is started stably and the gray fabric is sanded at a constant speed, the gray fabric is subjected to width expanding operation under the action of the rotation of the width expanding rollers, when the gray fabric sequentially passes through the two groups of sanding rollers, sanding operation is performed on two sides of the gray fabric, and the linear speed of the sanding machine for cloth feeding is kept at 70-80m/min, so that during a sanding process, sanding operation is performed on two sides of the gray fabric efficiently, the gray fabric does not need to be folded during secondary sanding operation, and the sanding consistency of the gray fabric is improved.
And the post-treatment process comprises the steps of applying the antistatic finishing agent to the grey cloth subjected to the sanding process by a dipping method, and drying the grey cloth impregnated with the antistatic finishing agent to obtain the base cloth impregnated with the antistatic finishing agent, wherein the mass ratio of the grey cloth to the antistatic finishing agent is 100: 3-5.
Wherein, the antistatic finishing agent is applied to the grey cloth after the sanding process by a dipping method as follows:
proportioning the immersion liquid, diluting the antistatic finishing agent to obtain the immersion liquid, wherein the bath ratio of the grey cloth to the diluted immersion liquid is 1: 10;
pre-dipping, namely placing the gray fabric after the sanding process into a dipping tank, then pouring a matched dipping solution into the tank to immerse the gray fabric, standing the tank for 24 hours, and keeping the temperature of the dipping solution at 20-30 ℃;
dewatering, namely finishing the fluff on the surface of the standing grey cloth, and then placing the grey cloth in a dewatering machine for dewatering;
and (3) drying by hot air, namely drying the dehydrated grey cloth by a dryer in a hot air circulation mode at the temperature of 110-.
The step of the after-finishing process further comprises repairing the napped cloth after the sanding process, and specifically comprises the following steps: shearing, namely, finishing the fluff on the surface of the ground fabric which is dipped in the antistatic finishing agent and dried by a shearing machine;
and (4) steam setting, namely, the grey cloth after the shearing operation is finished is subjected to setting and width setting through a steam setting machine.
The fluff density of the napped fabric obtained by the preparation process is detected by the following method: randomly selecting the middle section position of the napped fabric, taking 3 small samples from the napped fabric through a gram weight sampler, wherein each small sample is divided into two samples of the front side and the back side of the grey fabric, and the size of each sample is 100CM in area2Weighing each sample, and placing the napping fabric under the light of the same specification to measure the light transmission condition of the fabric by using a photometer with an integrating sphere:
and (4) judging the standard:
| group of | Light transmittance% | Density difference between front and back surfaces% | Results |
| Less than 10 | Less than 3 percent | Qualified | |
| Greater than 10 | More than 3 percent | Fail to be qualified |
And (3) testing results:
the above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. A pile fabric is characterized in that: the fabric comprises a grey fabric, wherein the grey fabric is subjected to a pretreatment process, a sanding process and a post-finishing process in sequence;
the pretreatment process comprises the step of padding the grey cloth with a fluffing finishing agent, wherein the fluffing finishing agent comprises the following components in percentage by weight:
methyl silicone emulsion: 17.5 to 26 percent
Isomeric tridecanols: 0.03-0.06%
Methyl-terminated polyether modified silicone oil: 0.03-0.06%
Stearic acid: 17.5 to 22 percent
Triethanolamine: 2.23 to 11.25 percent
Silicone emulsion: 3 to 12 percent of
The balance of water;
the post-finishing process comprises the step of dipping the grey cloth in an antistatic finishing agent, wherein the antistatic finishing agent comprises the following components in percentage by weight:
dimethyl terephthalate: 25-27.4 percent,
Mixed etherified polyethylene glycol: 27.4 to 31 percent
Sodium stearate: 6.25 to 6.85 percent
Glycerol: 16.44 to 16.67 percent
Zinc acetate: 13.7 to 16.67 percent
Emulsifier: 2.08-4.11%
Defoaming agent: 2 to 4 percent.
2. The fleece fabric of claim 1, wherein: the grey cloth is made of cotton and polyester weaved fish scale cloth.
3. A preparation process of a napping fabric is characterized by comprising the following steps: the pile fabric of claim 1 or 2, wherein the pre-treatment process of the grey cloth comprises the following steps:
s1, washing, namely putting the gray fabric into a horizontal cleaning machine, rinsing with clear water, and drying;
s2, melting materials, namely putting the fluffing finishing agent into a melting material cylinder, adding warm water at 40-50 ℃, and uniformly stirring to prepare fluffing finishing liquid, wherein the mass ratio of the fluffing finishing agent to the warm water is 1:10, and the pH value of the fluffing finishing liquid is 6-7;
s3, mixing materials, pouring the fluffing finishing liquid in the material melting barrel into a dipping and binding tank, and placing the grey cloth in the dipping and binding tank for standing for 15-20min at a constant temperature, wherein the bath ratio of the grey cloth to the fluffing finishing liquid is 1: 10;
s4, dipping, namely dipping the standing gray fabric by a binding machine, dipping twice, wherein the linear speed is 50-70m/min, and the residual rate is 70-80%.
4. The process for preparing a napping fabric according to claim 3, characterized in that: the pretreatment process further comprises the following processing steps:
s5, drying, namely drying the gray fabric obtained after the dipping and fluffing finishing liquid at 80-100 ℃ by a dryer, wherein the evaporation strength per unit volume of the dryer is 120-180KG/m3
S6, turning over, namely turning over the dried grey cloth through an air pressure type cloth turning machine;
and S7, arranging the cloth, namely sleeving the turned grey cloth on a rectangular support frame, and finishing the cloth edge of the grey cloth at the linear speed of 40-50 m/min.
5. The process for preparing a napping fabric according to claim 4, characterized in that: the sanding process comprises the following steps:
z1, feeding, namely passing the turned grey cloth through an expanding roller of a sanding machine, and then sequentially passing through two groups of sanding rollers to form an S shape;
z2, tensioning adjustment, wherein the tensioning degree of the grey cloth is detected by pulling the grey cloth at the spreading roller, and the grey cloth is tightly attached to the sanding roller by tensioning one end of the grey cloth;
and Z3, sanding, and starting a sanding machine to sequentially sand the surface of the grey cloth at a linear speed of 70-80 m/min.
6. The process for preparing a napping fabric according to claim 1, characterized in that: applying an antistatic finishing agent to the grey cloth subjected to the sanding process by a dipping method, and drying the grey cloth impregnated with the antistatic finishing agent to obtain a base cloth impregnated with the antistatic finishing agent, wherein the mass ratio of the grey cloth to the antistatic finishing agent is 100: 3-5.
7. The process for preparing a napping fabric according to claim 6, characterised in that: the antistatic finishing agent is applied to the grey cloth after the sanding process by a dipping method as follows:
proportioning an antistatic finishing agent, adding dimethyl terephthalate, polyethylene glycol and sodium stearate into a reaction vessel, heating to 245-plus-one temperature of 255 ℃, stirring, adding glycerol and zinc acetate in the process of cooling, and finally adding octylphenol polyoxyethylene ether as an emulsifier and a defoaming agent to prepare the antistatic finishing agent;
proportioning the immersion liquid, diluting the antistatic finishing agent obtained by proportioning to obtain the immersion liquid, wherein the bath ratio of the grey cloth to the diluted immersion liquid is 1: 10;
pre-dipping, namely placing the gray fabric after the sanding process into a dipping tank, pouring the matched dipping liquid to submerge the gray fabric and standing for 24 hours;
dewatering, namely finishing the fluff on the surface of the standing grey cloth, and then placing the grey cloth in a dewatering machine for dewatering;
and (3) drying by hot air, namely drying the dehydrated grey cloth by a dryer in a hot air circulation mode at the temperature of 110-.
8. The process for preparing a napping fabric according to claim 1, characterized in that: the post-finishing process comprises the following steps:
shearing, namely, finishing the fluff on the surface of the ground fabric which is dipped in the antistatic finishing agent and dried by a shearing machine;
and (4) steam setting, namely, the grey cloth after the shearing operation is finished is subjected to setting and width setting through a steam setting machine.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914048A (en) * | 2021-11-19 | 2022-01-11 | 扬州惠民纺织有限公司 | Raising method for manufacturing flannelette and flannelette manufactured by same |
| CN115387121A (en) * | 2022-09-22 | 2022-11-25 | 罗莱生活科技股份有限公司 | High-hygroscopicity carbon sanded fabric and production method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928464A (en) * | 2010-08-24 | 2010-12-29 | 永春县祥益化工科技有限公司 | Solid fluffing tablet and preparation method thereof |
| CN106637988A (en) * | 2017-01-03 | 2017-05-10 | 黄淇浩 | Antistatic finishing agent composition of fabric |
| CN108951213A (en) * | 2018-07-12 | 2018-12-07 | 江苏金太阳纺织科技股份有限公司 | A kind of colour combination spins the dyeing and finishing processing method of appearance fabric |
| CN111394917A (en) * | 2020-04-28 | 2020-07-10 | 鲁丰织染有限公司 | Dyeing and finishing long-vehicle processing method for biological enzyme treatment |
-
2020
- 2020-09-02 CN CN202010907568.7A patent/CN112095347A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928464A (en) * | 2010-08-24 | 2010-12-29 | 永春县祥益化工科技有限公司 | Solid fluffing tablet and preparation method thereof |
| CN106637988A (en) * | 2017-01-03 | 2017-05-10 | 黄淇浩 | Antistatic finishing agent composition of fabric |
| CN108951213A (en) * | 2018-07-12 | 2018-12-07 | 江苏金太阳纺织科技股份有限公司 | A kind of colour combination spins the dyeing and finishing processing method of appearance fabric |
| CN111394917A (en) * | 2020-04-28 | 2020-07-10 | 鲁丰织染有限公司 | Dyeing and finishing long-vehicle processing method for biological enzyme treatment |
Non-Patent Citations (3)
| Title |
|---|
| 中国纺织信息中心: "《中国纺织染料助剂使用指南 2010-2011》", 31 January 2010 * |
| 尹耐冬: "《国外纺织染料助剂使用指南 2009-2010》", 30 November 2008 * |
| 蔡黎明: "《简明纺织品词典》", 31 October 1993, 上海辞书出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914048A (en) * | 2021-11-19 | 2022-01-11 | 扬州惠民纺织有限公司 | Raising method for manufacturing flannelette and flannelette manufactured by same |
| CN115387121A (en) * | 2022-09-22 | 2022-11-25 | 罗莱生活科技股份有限公司 | High-hygroscopicity carbon sanded fabric and production method thereof |
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