CN104480729A - Process for producing high-elasticity volleyball leather - Google Patents

Process for producing high-elasticity volleyball leather Download PDF

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Publication number
CN104480729A
CN104480729A CN201410711377.8A CN201410711377A CN104480729A CN 104480729 A CN104480729 A CN 104480729A CN 201410711377 A CN201410711377 A CN 201410711377A CN 104480729 A CN104480729 A CN 104480729A
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China
Prior art keywords
agent
base cloth
elastic
thermoplastic elastomer
volleyball
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Pending
Application number
CN201410711377.8A
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Chinese (zh)
Inventor
吴小红
陈施明
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NANTONG YIHUA PLASTIC CO Ltd
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NANTONG YIHUA PLASTIC CO Ltd
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Priority to CN201410711377.8A priority Critical patent/CN104480729A/en
Publication of CN104480729A publication Critical patent/CN104480729A/en
Priority to PCT/CN2015/091805 priority patent/WO2016086718A1/en
Pending legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/04—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the partial melting of at least one layer
    • 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
    • D06M13/402—Amides imides, sulfamic acids
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
    • D06N3/005—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers obtained by blowing or swelling agent
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
    • D06N3/0065—Organic pigments, e.g. dyes, brighteners
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
    • D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N3/06—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N3/06—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products
    • D06N3/08—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products with a finishing layer consisting of polyacrylates, polyamides or polyurethanes or polyester
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2203/00—Macromolecular materials of the coating layers
    • D06N2203/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N2203/045—Vinyl (co)polymers
    • D06N2203/048—Polyvinylchloride (co)polymers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/16—Properties of the materials having other properties
    • D06N2209/1607—Degradability
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/16—Properties of the materials having other properties
    • D06N2209/1642—Hardnes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/16—Properties of the materials having other properties
    • D06N2209/1685—Wear resistance
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2209/00—Properties of the materials
    • D06N2209/16—Properties of the materials having other properties
    • D06N2209/1692—Weather resistance
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2211/00—Specially adapted uses
    • D06N2211/12—Decorative or sun protection articles
    • D06N2211/28—Artificial leather

Abstract

The invention discloses a process for producing high-elasticity volleyball leather. The process comprises the following steps: A, soaking a non-woven fabric which serves as a base cloth in a dimethyl formamide solution to completely soak the base cloth, taking out the base cloth, controlling the amount of the dimethyl formamide solution infiltrating the base cloth by virtue of a scraper; B, mixing a thermoplastic elastomer and a foaming agent, heating and melting to form a foaming body, and adhering the foaming body to the product prepared in the step A; C, coating a surface treating agent to the outer layer of the product prepared in the step B to form a PVC surface layer after the surface treating agent is dried and cured; and D, mixing the thermoplastic elastomer and a colorant, melting, adhering to the product prepared in the step C, rolling and cooling by virtue of a press roll which is provided with ball leather veins to obtain the high-elasticity volleyball leather. According to the method, no solvent is used in the producing process, the environment is not influenced or polluted, the raw materials are environment-friendly raw materials, and the produced volleyball leather surface is soft, strong in dry feeling and excellent in elasticity and has the advantages of abrasion resistance, aging resistance and hydrolysis resistance.

Description

The production technology of high-elastic volleyball leather
Technical field
The present invention relates to a kind of production technology of high-elastic volleyball leather.
Background technology
Along with the raising of people's living standard, raising and the health of fitness are closely connected together, every motion just entering into people live major part the quality of sport balls is had higher requirement.Vollyball more and more becomes the general motion mode of people, has corium and artificial leather at present, and the ball that market is widely applied is polyvinyl chloride (PVC), polyurethanes (PU) is raw material is removed from office.They have sulfide, chloride, complex compound, Phthalate, DMF waste water and gas to discharge in process of production, although people are in recycling, are difficult to the requirement reaching environmental protection, cause very large harm to people.
Volleyball leather is one of ball leather.Multiplex goat skin or high-quality cattle hide back skin make through chrome tanning, general white colouring, thickness 1.2 ~ 1.8mm.Quality requirement leather surface is careful, plentiful flexible, and thickness is even, and percentage elongation is little and vertical and horizontal are basically identical, lighter and softer than basketball leather, does not loosely split, wear-resisting and good waterproof performance.
Summary of the invention
The object of the invention is, in order to overcome above deficiency, to provide a kind of production technology of high-elastic volleyball leather.
Object of the present invention is achieved through the following technical solutions: a kind of production technology of high-elastic volleyball leather, comprises the following steps:
A, using nonwoven fabric as base cloth, be immersed in dimethyl formamide solution, make base cloth be soaked into completely, then take out base cloth, control the amount of the dimethyl formamide solution immersing base cloth with scraper, make the immersion amount on base cloth be 0.4-0.6kg/m;
B, mixed by the blowing agent of the thermoplastic elastomer (TPE) of 0.5-1 weight portion with 0.1-0.5 weight portion, at 150-250 DEG C, heating and melting forms foaming body, the bonding articles that described foaming body is obtained with steps A under 0.2-0.8Mpa pressure;
The skin of the goods that C, step B obtain applies a surface conditioning agent, forms a PVC surface layer after described surface conditioning agent is solid;
D, the colouring agent of the thermoplastic elastomer (TPE) of 0.7-1 weight portion with 0.5-1 weight portion to be mixed, 150-350 DEG C of melting, bonding articles obtained with step C under 0.2-0.8Mpa pressure, by the pressure roller compacting cooling with ball leather lines, obtained high-elastic volleyball leather.
Further improvement of the present invention is: thermoplastic elastomer (TPE) is any one or its any combination in polyurethane elastomer, styrenic elastomer TPR, thermoplastic elastomer (TPE) TPE, TPV TRV, styrene block copolymer SBS, isoprene block copolymer SIS, thermoplastic elastomer TPAE, ethene-butylene copolymer POE.
Further improvement of the present invention is: blowing agent is AC foaming agent for opening aperture or the agent of microballoon closed-cell foam.
Further improvement of the present invention is: colouring agent is color masterbatch or toner.
Further improvement of the present invention is: surface conditioning agent take synthetic resin as raw material.
Further improvement of the present invention is: surface conditioning agent is wiping finishing agent or wipes burnt finishing agent.
The present invention compared with prior art has the following advantages:
The present invention does not use solvent in process of production, and pollution-free without impact on environment, the raw material adopted is environmental protection raw material, can reuse, and replaces conventional production methods, has not only solved problem of environmental pollution but also can improve the performance of volleyball leather.Adopt thermoplastic elastomer (TPE) in the present invention, alleviate the weight of volleyball leather, also make that product surface is soft, astringent sense is very strong, elasticity is superior, wear-resisting, ageing-resistant, hydrolysis simultaneously.
detailed description of the invention:
in order to deepen the understanding of the present invention, below in conjunction with embodiment, the invention will be further described, and this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
A production technology for high-elastic volleyball leather, comprises the following steps:
A, using nonwoven fabric as base cloth, be immersed in dimethyl formamide solution, make base cloth be soaked into completely, then take out base cloth, control the amount of the dimethyl formamide solution immersing base cloth with scraper, make the immersion amount on base cloth be 0.4-0.6kg/m;
B, mixed by the blowing agent of the thermoplastic elastomer (TPE) of 0.5-1 weight portion with 0.1-0.5 weight portion, at 150-250 DEG C, heating and melting forms foaming body, the bonding articles that described foaming body is obtained with steps A under 0.2-0.8Mpa pressure;
C, to contact worn processing process with the top layer face of wiping mode to the goods that step B obtains, the skin of the goods obtained in step B applies a surface conditioning agent, a PVC surface layer is formed after described surface conditioning agent is solid, surface conditioning agent take synthetic resin as raw material, and surface conditioning agent is wiping finishing agent or wipes burnt finishing agent;
D, the colouring agent of the thermoplastic elastomer (TPE) of 0.7-1 weight portion with 0.5-1 weight portion to be mixed, 150-350 DEG C of melting, bonding articles obtained with step C under 0.2-0.8Mpa pressure, by the pressure roller compacting cooling with ball leather lines, obtained high-elastic volleyball leather.
Thermoplastic elastomer (TPE) is any one or its any combination in polyurethane elastomer, styrenic elastomer TPR, thermoplastic elastomer (TPE) TPE, TPV TRV, styrene block copolymer SBS, isoprene block copolymer SIS, thermoplastic elastomer TPAE, ethene-butylene copolymer POE.Blowing agent is AC foaming agent for opening aperture or the agent of microballoon closed-cell foam.Colouring agent is color masterbatch or toner.
The present invention does not use solvent in process of production, and pollution-free without impact on environment, the raw material adopted is environmental protection raw material, can reuse, and replaces conventional production methods, has not only solved problem of environmental pollution but also can improve the performance of volleyball leather.Adopt thermoplastic elastomer (TPE) in the present invention, alleviate the weight of volleyball leather, also make that product surface is soft, astringent sense is very strong, elasticity is superior, wear-resisting, ageing-resistant, hydrolysis simultaneously.
The another statement of applicant, the present invention illustrates implementation method of the present invention and apparatus structure by above-described embodiment, but the present invention is not limited to above-mentioned embodiment, does not namely mean that the present invention must rely on said method and structure could be implemented.Person of ordinary skill in the field should understand, any improvement in the present invention, replaces and the interpolation of step, concrete way choice etc., all drop within protection scope of the present invention and scope of disclosure implementation method equivalence selected by the present invention.
The present invention is not limited to above-mentioned embodiment, and all employings and analog structure of the present invention and method thereof realize all modes of the object of the invention, all within protection scope of the present invention.

Claims (6)

1. a production technology for high-elastic volleyball leather, is characterized in that: comprise the following steps:
A, using nonwoven fabric as base cloth, be immersed in dimethyl formamide solution, make base cloth be soaked into completely, then take out base cloth, control the amount of the dimethyl formamide solution immersing base cloth with scraper, make the immersion amount on base cloth be 0.4-0.6kg/m;
B, mixed by the blowing agent of the thermoplastic elastomer (TPE) of 0.5-1 weight portion with 0.1-0.5 weight portion, at 150-250 DEG C, heating and melting forms foaming body, the bonding articles that described foaming body is obtained with steps A under 0.2-0.8Mpa pressure;
The skin of the goods that C, step B obtain applies a surface conditioning agent, forms a PVC surface layer after described surface conditioning agent is solid;
D, the colouring agent of the thermoplastic elastomer (TPE) of 0.7-1 weight portion with 0.5-1 weight portion to be mixed, 150-350 DEG C of melting, bonding articles obtained with step C under 0.2-0.8Mpa pressure, by the pressure roller compacting cooling with ball leather lines, obtained high-elastic volleyball leather.
2. the production technology of high-elastic volleyball leather according to claim 1, is characterized in that: thermoplastic elastomer (TPE) is any one or its any combination in polyurethane elastomer, styrenic elastomer TPR, thermoplastic elastomer (TPE) TPE, TPV TRV, styrene block copolymer SBS, isoprene block copolymer SIS, thermoplastic elastomer TPAE, ethene-butylene copolymer POE.
3. the production technology of high-elastic volleyball leather according to claim 1, is characterized in that: blowing agent is AC foaming agent for opening aperture or the agent of microballoon closed-cell foam.
4. the production technology of high-elastic volleyball leather according to claim 1, is characterized in that: colouring agent is color masterbatch or toner.
5. the production technology of high-elastic volleyball leather according to claim 1, is characterized in that: described surface conditioning agent take synthetic resin as raw material.
6. the production technology of high-elastic volleyball leather according to claim 1, is characterized in that: described surface conditioning agent is wiping finishing agent or wipes burnt finishing agent.
CN201410711377.8A 2014-12-01 2014-12-01 Process for producing high-elasticity volleyball leather Pending CN104480729A (en)

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CN201410711377.8A CN104480729A (en) 2014-12-01 2014-12-01 Process for producing high-elasticity volleyball leather
PCT/CN2015/091805 WO2016086718A1 (en) 2014-12-01 2015-10-13 Process for producing high-elasticity volleyball synthetic leather

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WO2016086718A1 (en) * 2014-12-01 2016-06-09 南通亿华塑胶有限公司 Process for producing high-elasticity volleyball synthetic leather
CN107287921A (en) * 2017-08-01 2017-10-24 合肥康之恒机械科技有限公司 A kind of preparation method of high-tension volleyball leather
CN114855335A (en) * 2022-06-18 2022-08-05 东莞市科纺纺织有限公司 Polyurethane elastic fiber jean fabric and preparation method thereof

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CN114277581A (en) * 2021-12-27 2022-04-05 陈永裕 Synthetic leather and preparation method thereof

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Publication number Priority date Publication date Assignee Title
WO2016086718A1 (en) * 2014-12-01 2016-06-09 南通亿华塑胶有限公司 Process for producing high-elasticity volleyball synthetic leather
CN107287921A (en) * 2017-08-01 2017-10-24 合肥康之恒机械科技有限公司 A kind of preparation method of high-tension volleyball leather
CN114855335A (en) * 2022-06-18 2022-08-05 东莞市科纺纺织有限公司 Polyurethane elastic fiber jean fabric and preparation method thereof

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