Title:
RESIN COMPOSITION, MOLDED ARTICLE, MASTER BATCH, AND MANUFACTURING METHODS THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/125251
Kind Code:
A1
Abstract:
The present invention provides: a thermoplastic resin composition that sufficiently exhibits an effect of cellulose addition and that can impart excellent mechanical strength to a molded article, especially to a foam molded article; an molded article; and manufacturing methods therefor. More specifically, the present invention uses a resin composition and a foam molded article thereof, the resin composition being characterized by containing: cellulosic fibers (A); a noncrystalline resin (B) having a glass transition temperature of 160°C or lower; a crystalline resin (C) having a melting point (melting peak temperature) of 80-150°C and a melting start temperature which is at least 30°C lower than the melting point; and a thermoplastic resin (D) having a melting point or a glass transition temperature which is at least 5°C higher than the melting point of the crystalline resin (C).
Inventors:
KIMURA TOSHIKI (JP)
TAKEZAWA YUTAKA (JP)
TAKIZAWA HIRONOBU (JP)
TAKEZAWA YUTAKA (JP)
TAKIZAWA HIRONOBU (JP)
Application Number:
PCT/JP2020/047074
Publication Date:
June 24, 2021
Filing Date:
December 17, 2020
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C08J3/22; C08F220/18; C08F220/56; C08G18/08; C08G18/42; C08J9/12; C08K7/02; C08L1/02; C08L23/06; C08L23/12; C08L33/04; C08L75/04; C08L101/12
Domestic Patent References:
| WO2019150907A1 | 2019-08-08 |
Foreign References:
| JP2019059956A | 2019-04-18 | |||
| JP2014025053A | 2014-02-06 | |||
| JP2013082117A | 2013-05-09 | |||
| JP2019139753A | 2019-08-22 | |||
| JPS523438B2 | 1977-01-27 | |||
| JPS57165420A | 1982-10-12 | |||
| JPS537479B1 | 1978-03-17 | |||
| JPS5240677B2 | 1977-10-13 |
Other References:
See also references of EP 4079792A4
Attorney, Agent or Firm:
OGAWA Shinji (JP)
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