CN105908518A - Method of preparing environment-friendly high-strength TPU synthetic leather - Google Patents

Method of preparing environment-friendly high-strength TPU synthetic leather Download PDF

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Publication number
CN105908518A
CN105908518A CN201610366739.3A CN201610366739A CN105908518A CN 105908518 A CN105908518 A CN 105908518A CN 201610366739 A CN201610366739 A CN 201610366739A CN 105908518 A CN105908518 A CN 105908518A
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China
Prior art keywords
synthetic leather
tpu
environment
friendly high
mass parts
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Pending
Application number
CN201610366739.3A
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Chinese (zh)
Inventor
高金岗
王俊峰
周健
韩立业
李超
高义辉
裴莹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Ruigao New Materials Co Ltd
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Suzhou Ruigao New Materials Co Ltd
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Publication date
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Priority to CN201610366739.3A priority Critical patent/CN105908518A/en
Publication of CN105908518A publication Critical patent/CN105908518A/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
    • D06N3/12—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 otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
    • D06N3/14—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 otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
    • 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
    • D06N3/0006—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 woven fabrics
    • 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
    • D06N3/0015—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 fibres of specified chemical or physical nature, e.g. natural silk
    • 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
    • D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
    • 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
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • 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
    • D06N2209/10—Properties of the materials having mechanical properties
    • D06N2209/105—Resistant to abrasion, scratch
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Treatment And Processing Of Natural Fur Or Leather (AREA)

Abstract

The invention discloses a method of preparing environment-friendly high-strength TPU synthetic leather. The method comprises the following steps of: (1) batching, namely blending 70-95 parts by weight of thermoplastic polyurethane, 5-30 parts by weight of colorant and 0-30 parts by weight of additives together and then feeding the resulting mixture into an extruder; (2) producing a TPU film by pressing, namely setting an extrusion pressure of the extruder to the range of 1-5 MPa, implementing extruding to obtain a TPU film having a thickness in the range of 0.1-0.3 mm, subsequently, applying the TPU film to base cloth in a plastic coating manner, and obtaining a primary synthetic leather by winding after cooling via a cooling roller; and (3) surface treatment: performing surface finishing treatment on the primary synthetic leather obtained previously, thereby obtaining the final finished product TPU synthetic leather. By the above way, the method of preparing the environment-friendly high-strength TPU synthetic leather provided by the invention is safe and environment-friendly in process, simple and easy to control; the obtained leather has good strength and wear-resisting property, and is capable of satisfying the high-standard use requirements in special industries such as medical care and the like.

Description

A kind of preparation method of environment-friendly high-intensity TPU synthetic leather
Technical field
The present invention relates to synthetic leather manufacturing technology field, particularly relate to the preparation method of a kind of environment-friendly high-intensity TPU synthetic leather.
Background technology
At present, conventional synthetic leather is usually PVC class or PU series products, PVC synthetic leather heat stability is bad, easy hardening embrittlement under low temperature, easily soften loose under high temperature, and the most also can discharge dioxin sour gas, environment is caused pollution greatly, in addition its processing characteristics is bad, resistance to impact is bad, resistance to ag(e)ing is poor, its additive used in use can gradually volatilize, therefore PVC synthetic leather is difficult to discharge harmful substance etc. in process, production is slowly replaced by PU product because of difficult degradation, waste product；And PU synthetic leather intensity is low, the most wear-resisting, cracky.
In sum, existing PVC class or PU class synthetic leather all can not meet the special industry high-level use requirements such as medical treatment.
Summary of the invention
Present invention mainly solves technical problem is that: for the deficiencies in the prior art, the preparation method of a kind of environment-friendly high-intensity TPU synthetic leather is provided, process safety environmental protection, simple and easy to control, the leather for preparing has good intensity, anti-wear performance, it is possible to meets the special industry high standards such as medical treatment and uses requirement.
For solving above-mentioned technical problem, the technical scheme that the present invention uses is: provides the preparation method of a kind of environment-friendly high-intensity TPU synthetic leather, comprises the steps:
(1) dispensing:
Take the thermoplastic polyurethane of 70-95 mass parts, the coloring agent of 5-30 mass parts, the additive of 0-30 mass parts, after mixing, put into extruder；
(2) compacting TPU membrane:
The extrusion pressure arranging extruder is 1-5MPa, and extrusion obtains the TPU membrane that thickness is 0.1-0.3mm, and then by described TPU membrane plastic-coated in base fabric, after the cooling of cooled roller, rolling obtains primary synthetic leather；
(3) surface processes:
Above-mentioned prepared primary synthetic leather is carried out surface moditied processing, it is thus achieved that final finished TPU synthetic leather.
In a preferred embodiment of the present invention, the coloring agent described in step (1) is one or both mixture in color masterbatch or toner.
In a preferred embodiment of the present invention, the additive described in step (1) is fire retardant, antistatic additive, one or more mixture ageing-resistant.
In a preferred embodiment of the present invention, the base fabric described in step (2) is woven fabric or super fine cloth.
In a preferred embodiment of the present invention, the surface moditied processing described in step (3) be primary synthetic leather surface is carried out delustring, add lustre to, change colour, stamp, gold stamping, emboss, rub stricture of vagina or inhale one or more that stricture of vagina processes.
In a preferred embodiment of the present invention, described suction stricture of vagina is processed as using the roller with texture to suppress the surface of primary synthetic leather under vacuum conditions.
The invention has the beneficial effects as follows: by optimizing the formula of TPU synthetic leather, and by simple, easily-controllable preparation technology, the TPU synthetic leather making acquisition has good intensity, anti-wear performance, has the higher feature of environmental protection simultaneously, it is possible to meets the special industry high standards such as medical treatment and uses requirement.
Detailed description of the invention
Below presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention can be easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clear and definite defining.
The embodiment of the present invention includes:
Embodiment one:
(1) dispensing:
Take the thermoplastic polyurethane of 80 mass parts, the color masterbatch of 5 mass parts, the fire retardant of 5 mass parts, the antistatic additive of 5 mass parts, the age resister of 5 mass parts, after mixing, put into extruder；
(2) compacting TPU membrane:
The extrusion pressure arranging extruder is 1MPa, and extrusion obtains the TPU membrane that thickness is 0.3mm, and then by described TPU membrane plastic-coated on woven fabric, after the cooling of cooled roller, rolling obtains primary synthetic leather；
(3) surface processes:
By metal soaps in the surface of above-mentioned prepared primary synthetic leather by the way of roller coat, then through 90-120 DEG C of temperature drying to oil resistant, solvent resistant, odorlessness, aging, the final finished TPU synthetic leather of characteristic without atomization wear-resisting, low temperature resistant.
Embodiment two:
(1) dispensing:
Take the thermoplastic polyurethane of 70 mass parts, the color masterbatch of 15 mass parts, the fire retardant of 5 mass parts, the antistatic additive of 5 mass parts, the age resister of 5 mass parts, after mixing, put into extruder；
(2) compacting TPU membrane:
The extrusion pressure arranging extruder is 5MPa, and extrusion obtains the TPU membrane that thickness is 0.1mm, and then by described TPU membrane plastic-coated on woven fabric, after the cooling of cooled roller, rolling obtains primary synthetic leather；
(3) surface processes:
Wax is coated on the surface of above-mentioned prepared primary synthetic leather, then through 90-120 DEG C of temperature drying to oil resistant, solvent resistant, odorlessness, aging, the final finished TPU synthetic leather of characteristic without atomization wear-resisting, low temperature resistant by the way of roller coat.
Embodiment three:
(1) dispensing:
Take the thermoplastic polyurethane of 95 mass parts, the toner of 5 mass parts, the fire retardant of 1 mass parts, the antistatic additive of 1 mass parts, the age resister of 1 mass parts, after mixing, put into extruder；
(2) compacting TPU membrane:
The extrusion pressure arranging extruder is 3MPa, and extrusion obtains the TPU membrane that thickness is 0.2mm, and then by described TPU membrane plastic-coated on woven fabric, after the cooling of cooled roller, rolling obtains primary synthetic leather；
(3) surface processes:
Functional fines is coated on the surface of above-mentioned prepared primary synthetic leather, then through 90-120 DEG C of temperature drying to oil resistant, solvent resistant, odorlessness, aging, the final finished TPU synthetic leather of characteristic without atomization wear-resisting, low temperature resistant by the way of roller coat.
Embodiment four:
(1) dispensing:
Take the thermoplastic polyurethane of 85 mass parts, the toner of 12 mass parts, the fire retardant of 1 mass parts, the antistatic additive of 1 mass parts, the age resister of 1 mass parts, after mixing, put into extruder；
(2) compacting TPU membrane:
The extrusion pressure arranging extruder is 4MPa, and extrusion obtains the TPU membrane that thickness is 0.3mm, and then by described TPU membrane plastic-coated on woven fabric, after the cooling of cooled roller, rolling obtains primary synthetic leather；
(3) surface processes:
Polymethyl methacrylate is coated on the surface of above-mentioned prepared primary synthetic leather, then through 90-120 DEG C of temperature drying to oil resistant, solvent resistant, odorlessness, aging, the final finished TPU synthetic leather of characteristic without atomization wear-resisting, low temperature resistant by the way of roller coat.
Embodiment five:
(1) dispensing:
Take the thermoplastic polyurethane of 90 mass parts, the toner of 30 mass parts, the fire retardant of 2 mass parts, the antistatic additive of 3 mass parts, the age resister of 3 mass parts, after mixing, put into extruder；
(2) compacting TPU membrane:
The extrusion pressure arranging extruder is 2MPa, and extrusion obtains the TPU membrane that thickness is 0.1mm, and then by described TPU membrane plastic-coated on woven fabric, after the cooling of cooled roller, rolling obtains primary synthetic leather；
(3) surface processes:
Chlorine wax tree fat is coated on the surface of above-mentioned prepared primary synthetic leather, then through 90-120 DEG C of temperature drying to oil resistant, solvent resistant, odorlessness, aging, the final finished TPU synthetic leather of characteristic without atomization wear-resisting, low temperature resistant by the way of roller coat.
Embodiment six:
(1) dispensing:
Take the thermoplastic polyurethane of 75 mass parts, the toner of 5 mass parts, the fire retardant of 16 mass parts, the antistatic additive of 7 mass parts, the age resister of 7 mass parts, after mixing, put into extruder；
(2) compacting TPU membrane:
The extrusion pressure arranging extruder is 3MPa, and extrusion obtains the TPU membrane that thickness is 0.2mm, and then by described TPU membrane plastic-coated on woven fabric, after the cooling of cooled roller, rolling obtains primary synthetic leather；
(3) surface processes:
By the way of roller coat, chlorine wax tree fat is coated on the surface of above-mentioned prepared primary synthetic leather, then the roller with texture is used under vacuum conditions the surface of described primary synthetic leather to be suppressed, dry through 90-120 DEG C of temperature after, obtaining oil resistant, solvent resistant, odorlessness, aging, the characteristic of nothing atomization wear-resisting, low temperature resistant, surface has the final finished TPU synthetic leather of grained profile simultaneously.
Present invention is disclosed the preparation method of a kind of environment-friendly high-intensity TPU synthetic leather, process safety environmental protection, simple and easy to control, the leather prepared has good intensity, anti-wear performance, there is oil resistant, solvent resistant, odorlessness, aging, the characteristic of nothing atomization wear-resisting, low temperature resistant simultaneously, it is possible to meet the special industry high standards such as medical treatment and use requirement.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the invention content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in the scope of patent protection of the present invention.

Claims (6)

1. the preparation method of an environment-friendly high-intensity TPU synthetic leather, it is characterised in that comprise the steps:
(1) dispensing:
Take the thermoplastic polyurethane of 70-95 mass parts, the coloring agent of 5-30 mass parts, the additive of 0-30 mass parts, after mixing, put into extruder；
(2) compacting TPU membrane:
The extrusion pressure arranging extruder is 1-5MPa, and extrusion obtains the TPU membrane that thickness is 0.1-0.3mm, and then by described TPU membrane plastic-coated in base fabric, after the cooling of cooled roller, rolling obtains primary synthetic leather；
(3) surface processes:
Above-mentioned prepared primary synthetic leather is carried out surface moditied processing, it is thus achieved that final finished TPU synthetic leather.
The preparation method of environment-friendly high-intensity TPU synthetic leather the most according to claim 1, it is characterised in that the coloring agent described in step (1) is one or both mixture in color masterbatch or toner.
The preparation method of environment-friendly high-intensity TPU synthetic leather the most according to claim 1, it is characterised in that the additive described in step (1) is fire retardant, antistatic additive, one or more mixture ageing-resistant.
The preparation method of environment-friendly high-intensity TPU synthetic leather the most according to claim 1, it is characterised in that the base fabric described in step (2) is woven fabric or super fine cloth.
The preparation method of environment-friendly high-intensity TPU synthetic leather the most according to claim 1, it is characterized in that, the surface moditied processing described in step (3) be primary synthetic leather surface is carried out delustring, add lustre to, change colour, stamp, gold stamping, emboss, rub stricture of vagina or inhale one or more that stricture of vagina processes.
The preparation method of environment-friendly high-intensity TPU synthetic leather the most according to claim 5, it is characterised in that described suction stricture of vagina is processed as using the roller with texture to suppress the surface of primary synthetic leather under vacuum conditions.
CN201610366739.3A 2016-05-30 2016-05-30 Method of preparing environment-friendly high-strength TPU synthetic leather Pending CN105908518A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106498761A (en) * 2016-12-14 2017-03-15 兰州科天新材料股份有限公司 The production method of aqueouss vacuum pattern absorbing leather
CN112267306A (en) * 2020-10-18 2021-01-26 李东靖 Flame-retardant anti-static fabric and preparation method thereof
CN115162013A (en) * 2022-06-13 2022-10-11 苏州凯恩碳中和科技有限公司 Biodegradable TPU synthetic leather and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102774101A (en) * 2012-07-18 2012-11-14 华伦皮塑（苏州）有限公司 Production method of flame retardant and environment-friendly TPU (thermoplastic polyurethanes) leather for outdoors
CN103437199A (en) * 2013-09-10 2013-12-11 华伦皮塑（苏州）有限公司 Manufacturing method of TPU (Thermoplastic Polyurethanes) synthetic leather for flame-retardant and environment-friendly car foot mat
CN105113272A (en) * 2015-08-31 2015-12-02 苏州瑞高新材料有限公司 Making method of TPU (Thermoplastic Polyurethane) dancing shoe leather

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102774101A (en) * 2012-07-18 2012-11-14 华伦皮塑（苏州）有限公司 Production method of flame retardant and environment-friendly TPU (thermoplastic polyurethanes) leather for outdoors
CN103437199A (en) * 2013-09-10 2013-12-11 华伦皮塑（苏州）有限公司 Manufacturing method of TPU (Thermoplastic Polyurethanes) synthetic leather for flame-retardant and environment-friendly car foot mat
CN105113272A (en) * 2015-08-31 2015-12-02 苏州瑞高新材料有限公司 Making method of TPU (Thermoplastic Polyurethane) dancing shoe leather

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106498761A (en) * 2016-12-14 2017-03-15 兰州科天新材料股份有限公司 The production method of aqueouss vacuum pattern absorbing leather
CN106498761B (en) * 2016-12-14 2018-10-02 兰州科天新材料股份有限公司 The production method of aqueous vacuum pattern absorbing leather
CN112267306A (en) * 2020-10-18 2021-01-26 李东靖 Flame-retardant anti-static fabric and preparation method thereof
CN115162013A (en) * 2022-06-13 2022-10-11 苏州凯恩碳中和科技有限公司 Biodegradable TPU synthetic leather and preparation method thereof

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Application publication date: 20160831