EP4053330A4 - ARTIFICIAL LEATHER AND ITS PRODUCTION METHOD - Google Patents

ARTIFICIAL LEATHER AND ITS PRODUCTION METHOD Download PDF

Info

Publication number
EP4053330A4
EP4053330A4 EP20880857.6A EP20880857A EP4053330A4 EP 4053330 A4 EP4053330 A4 EP 4053330A4 EP 20880857 A EP20880857 A EP 20880857A EP 4053330 A4 EP4053330 A4 EP 4053330A4
Authority
EP
European Patent Office
Prior art keywords
production method
artificial leather
leather
artificial
production
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20880857.6A
Other languages
German (de)
French (fr)
Other versions
EP4053330A1 (en
Inventor
Daisuke Hironaka
Yoshiyuki Tadokoro
Keiichiro SAKATA
Masaya KAWASAKI
Aguru YAMAMOTO
Hisaki Ikebata
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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Asahi Kasei Corp, Asahi Chemical Industry Co Ltd filed Critical Asahi Kasei Corp
Publication of EP4053330A1 publication Critical patent/EP4053330A1/en
Publication of EP4053330A4 publication Critical patent/EP4053330A4/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • D06N3/0004—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 ultra-fine two-component fibres, e.g. island/sea, or ultra-fine one component fibres (< 1 denier)
    • 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
    • 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
    • D06N3/0013—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 multilayer webs
    • 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
    • D06N3/0036—Polyester fibres
    • 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
    • D06N3/0052—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 leaching out of a compound, e.g. water soluble salts, fibres or fillers; obtained by freezing or sublimation; obtained by eliminating drops of sublimable fluid
    • 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
    • D06N3/0068—Polymeric granules, particles or powder, e.g. core-shell particles, microcapsules
    • 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
    • D06N3/0075—Napping, teasing, raising or abrading of the resin 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
    • D06N2203/00—Macromolecular materials of the coating layers
    • D06N2203/06—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N2203/068—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
    • D06N2205/00—Condition, form or state of the materials
    • D06N2205/02—Dispersion
    • D06N2205/023—Emulsion, aqueous dispersion, latex
    • 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
    • D06N2205/00—Condition, form or state of the materials
    • D06N2205/24—Coagulated materials
    • D06N2205/243—Coagulated materials by heating, steam
    • 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
    • D06N2207/00—Treatments by energy or chemical effects
    • D06N2207/06—Treatments by energy or chemical effects using liquids, e.g. water
    • 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
    • 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
    • D06N2211/00—Specially adapted uses
    • D06N2211/12—Decorative or sun protection articles
    • D06N2211/26—Vehicles, transportation
    • D06N2211/263—Cars
    • 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
    • D06N2211/26—Vehicles, transportation
    • D06N2211/265—Trains
    • 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
    • D06N2211/26—Vehicles, transportation
    • D06N2211/267—Aircraft
    • 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)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
EP20880857.6A 2019-10-30 2020-10-27 ARTIFICIAL LEATHER AND ITS PRODUCTION METHOD Pending EP4053330A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019197790 2019-10-30
PCT/JP2020/040288 WO2021085427A1 (en) 2019-10-30 2020-10-27 Artificial leather and production method therefor

Publications (2)

Publication Number Publication Date
EP4053330A1 EP4053330A1 (en) 2022-09-07
EP4053330A4 true EP4053330A4 (en) 2022-12-21

Family

ID=75716022

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20880857.6A Pending EP4053330A4 (en) 2019-10-30 2020-10-27 ARTIFICIAL LEATHER AND ITS PRODUCTION METHOD

Country Status (6)

Country Link
US (1) US20220372698A1 (en)
EP (1) EP4053330A4 (en)
JP (1) JP7282908B2 (en)
KR (1) KR102903335B1 (en)
CN (1) CN114630935B (en)
WO (1) WO2021085427A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7634959B2 (en) * 2019-10-30 2025-02-25 旭化成株式会社 Artificial leather and its manufacturing method
JP7819313B2 (en) * 2022-07-01 2026-02-24 旭化成株式会社 Artificial leather and its manufacturing method
JPWO2024070649A1 (en) * 2022-09-28 2024-04-04
US20250363769A1 (en) * 2023-03-27 2025-11-27 Resonac Corporation Image processing device, image processing method, and program
JP7831704B2 (en) * 2023-09-15 2026-03-17 株式会社レゾナック Image processing device, image processing method, and program
WO2025070191A1 (en) * 2023-09-29 2025-04-03 東レ株式会社 Artificial leather and method for manufacturing same, vehicular interior material, vehicular component, miscellaneous goods, and furniture

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0655999B2 (en) * 1985-09-10 1994-07-27 旭化成工業株式会社 Method for producing suede-like artificial leather
JP2004332173A (en) * 2003-05-09 2004-11-25 Sakai Ovex Co Ltd Method for producing artificial leather
JP2005213303A (en) * 2004-01-27 2005-08-11 Nicca Chemical Co Ltd Porous structure manufacturing method, porous structure and leather-like structure
JP2005226213A (en) * 2004-01-14 2005-08-25 Toray Ind Inc Method for producing leather-like sheet
JP2010248683A (en) * 2009-03-26 2010-11-04 Toray Ind Inc Leather-like sheet and manufacturing method thereof
JP2016069790A (en) * 2014-09-30 2016-05-09 東レ株式会社 Artificial leather and method for producing the same
JP2019183375A (en) * 2018-04-09 2019-10-24 東レ株式会社 Sheet-like material and method for manufacturing the same

Family Cites Families (19)

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Publication number Priority date Publication date Assignee Title
EP0090397B1 (en) * 1982-03-31 1990-01-24 Toray Industries, Inc. Ultrafine fiber entangled sheet and method of producing the same
EP0617159B1 (en) * 1993-03-25 2003-06-04 Kuraray Co., Ltd. Highly flexible leather-like sheet material and process for producing the same
JPH0782384A (en) 1993-09-20 1995-03-28 Kuraray Co Ltd Method for producing polyvinyl alcohol fine particles
EP1054096B1 (en) * 1999-05-19 2004-09-15 Teijin Limited Nonwoven fabric made from filaments and artificial leather containing it
JP4089324B2 (en) 2002-07-16 2008-05-28 東レ株式会社 Suede artificial leather and method for producing the same
US7786028B2 (en) * 2005-04-08 2010-08-31 Johns Manville Nonwoven polymeric fiber mat composites and method
JP4788551B2 (en) * 2005-11-30 2011-10-05 東レ株式会社 Leather-like sheet, manufacturing method thereof, interior material using the same, clothing material, and industrial material
US20100159771A1 (en) * 2006-01-16 2010-06-24 Kuraray Co., Ltd. Base material for artificial leather and method of producing the same
JP6022161B2 (en) 2011-03-23 2016-11-09 株式会社クラレ Artificial leather substrate
JP2014025165A (en) 2012-07-26 2014-02-06 Toray Ind Inc Method for producing sheet-shaped material
KR20140025165A (en) 2012-08-21 2014-03-04 삼성전자주식회사 Method of fabricating a magnetic memory device
EP3054048B1 (en) * 2013-09-30 2018-10-31 Kuraray Co., Ltd. Napped artificial leather and manufacturing method therefor
WO2015129602A1 (en) 2014-02-27 2015-09-03 東レ株式会社 Sheet-like material and method for producing same
JP6340827B2 (en) 2014-02-27 2018-06-13 東レ株式会社 Sheet
KR101634585B1 (en) 2014-05-12 2016-06-29 고려대학교 산학협력단 Method for disseminating data based geographic location of drone in drone network
KR101993736B1 (en) 2015-07-14 2019-06-28 주식회사 엘지화학 Phase difference film, preparation method thereof and liquid crystal display device comprising the same
JP2017137588A (en) * 2016-02-02 2017-08-10 旭化成株式会社 Artificial leather that has elongation
CN108589028B (en) * 2018-04-24 2021-02-02 山东科贝尔非织造材料科技有限公司 Sea-island fiber synthetic leather base cloth and production process thereof
EP3851573A4 (en) * 2018-09-14 2021-12-08 Asahi Kasei Kabushiki Kaisha ARTIFICIAL LEATHER AND METHOD OF MANUFACTURING THEREOF

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0655999B2 (en) * 1985-09-10 1994-07-27 旭化成工業株式会社 Method for producing suede-like artificial leather
JP2004332173A (en) * 2003-05-09 2004-11-25 Sakai Ovex Co Ltd Method for producing artificial leather
JP2005226213A (en) * 2004-01-14 2005-08-25 Toray Ind Inc Method for producing leather-like sheet
JP2005213303A (en) * 2004-01-27 2005-08-11 Nicca Chemical Co Ltd Porous structure manufacturing method, porous structure and leather-like structure
JP2010248683A (en) * 2009-03-26 2010-11-04 Toray Ind Inc Leather-like sheet and manufacturing method thereof
JP2016069790A (en) * 2014-09-30 2016-05-09 東レ株式会社 Artificial leather and method for producing the same
JP2019183375A (en) * 2018-04-09 2019-10-24 東レ株式会社 Sheet-like material and method for manufacturing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021085427A1 *

Also Published As

Publication number Publication date
EP4053330A1 (en) 2022-09-07
KR20220062099A (en) 2022-05-13
US20220372698A1 (en) 2022-11-24
KR102903335B1 (en) 2025-12-22
JPWO2021085427A1 (en) 2021-05-06
CN114630935B (en) 2025-02-11
WO2021085427A1 (en) 2021-05-06
CN114630935A (en) 2022-06-14
JP7282908B2 (en) 2023-05-29

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