Title:
METHOD FOR PRODUCING RESIN SHEET, PVC LEATHER, AND VEGAN LEATHER
Document Type and Number:
WIPO Patent Application WO/2024/004228
Kind Code:
A1
Abstract:
[Problem] To provide: a method for producing a resin sheet, the method being capable of attaining an improvement in tensile strength; a PVC leather; and a vegan leather. [Solution] A method (10) for producing a vegan leather comprises: a pulverization step S1 in which coffee grounds are freeze-pulverized to produce a powder; a kneading step S3 in which the powder produced in the pulverization step S1 is mixed with a raw PVC resin produced in a regulation step S2 to produce a raw-material mixture; and a rolling step S4 in which the raw-material mixture produced in the kneading step S3 is processed into a sheet material.
Inventors:
TANAKA HIROTATSU (JP)
Application Number:
PCT/JP2022/037929
Publication Date:
January 04, 2024
Filing Date:
October 11, 2022
Export Citation:
Assignee:
STATUSY CO LTD (JP)
International Classes:
C08J5/18; B32B9/02; B32B27/40; D06N3/00; D06N7/02
Foreign References:
| JP2010121002A | 2010-06-03 | |||
| JP2010121003A | 2010-06-03 | |||
| JPS56129157A | 1981-10-09 | |||
| JPH10314286A | 1998-12-02 | |||
| JPH05277460A | 1993-10-26 | |||
| JP2015511648A | 2015-04-20 | |||
| JP2000264734A | 2000-09-26 | |||
| JP2015073462A | 2015-04-20 | |||
| JP7138980B1 | 2022-09-20 |
Attorney, Agent or Firm:
OKINAKA Jin (JP)
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