Title:
CELLULOSE-RAW-MATERIAL-CONTAINING RESIN SHEET
Document Type and Number:
WIPO Patent Application WO/2020/137301
Kind Code:
A1
Abstract:
This cellulose-raw-material-containing resin sheet, which includes fine paper powder and is provided as a sheet that is suitable for a molding step, includes 50-60 parts by mass of fine paper powder having an average grain diameter of 20-100 μm, 18-30 parts by mass of a first polypropylene having a melt flow rate (at a temperature of 230°C and a load of 2.16 kg) of 1-3, 5-26 parts by mass of a second polypropylene having a melt flow rate of 6-11, and 1-16 parts by mass of an elastomer having a melt flow rate of 6-10, the cellulose-raw-material-containing resin sheet being such that: the fine paper powder, the first polypropylene, the second polypropylene, and the elastomer are mixed so that the total amount thereof is 100 parts by mass; a first polyolefin resin and a second polyolefin resin have a bending elastic modulus of 700 MPa or higher as measured in conformance with ASTM D790; and the elastomer has a bending elastic modulus of 200 MPa or less.
Inventors:
MATSUSHITA TAKAMICHI (JP)
Application Number:
PCT/JP2019/045977
Publication Date:
July 02, 2020
Filing Date:
November 25, 2019
Export Citation:
Assignee:
ECO RES INSTITUTE LTD (JP)
International Classes:
B32B27/18; B32B27/32; C08J5/18; C08L1/02; C08L21/00; C08L23/00
Domestic Patent References:
| WO2017061530A1 | 2017-04-13 |
Foreign References:
| JP2011131508A | 2011-07-07 | |||
| JP2013007030A | 2013-01-10 | |||
| JP2005068362A | 2005-03-17 | |||
| US20150045479A1 | 2015-02-12 | |||
| JPS5634737A | 1981-04-07 | |||
| JPS57115437A | 1982-07-17 | |||
| JP2018154671A | 2018-10-04 | |||
| CN107955300A | 2018-04-24 | |||
| JP2011045866A | 2011-03-10 | |||
| JP2011131508A | 2011-07-07 |
Other References:
See also references of EP 3904089A4
Attorney, Agent or Firm:
IP-FOCUS PATENT OFFICE (JP)
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