Title:
THERMOPLASTIC ELASTOMER COMPOSITION FOR MULTILAYER MOLDING, MULTILAYER MOLDED BODY, AND MULTILAYER MOLDED BODY MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2023/223766
Kind Code:
A1
Abstract:
A thermoplastic elastomer composition for multilayer molding and to be subjected to thermal fusion bonding through injection molding, the thermoplastic elastomer composition comprising 100 parts by mass of a hydrogenated block copolymer (a-1), 10-100 parts by mass of a polypropylene-based resin (b), and 50-300 parts by mass of a nonaromatic softening agent (c), and further comprising a hydrogenated block copolymer (a-2), wherein the hydrogenated block copolymers (a-1) and (a-2) are each a non-modified hydrogenated block copolymer, the contained amount of the hydrogenated block copolymer (a-2) is 5-70 mass% with respect to the total amount of the components (a-1), (a-2), (b), and (c), and the hydrogenated block copolymers (a-1) and (a-2) each have a specific structure.
Inventors:
HISASUE TAKAHIRO (JP)
DOBASHI MIKAKO (JP)
HORIUCHI MIKA (JP)
DOBASHI MIKAKO (JP)
HORIUCHI MIKA (JP)
Application Number:
PCT/JP2023/015830
Publication Date:
November 23, 2023
Filing Date:
April 20, 2023
Export Citation:
Assignee:
ASAHI CHEMICAL IND (JP)
International Classes:
C08L53/00; B29C45/14; B32B27/30; B32B27/32; C08F293/00; C08J5/00; C08L23/12
Domestic Patent References:
| WO2015137355A1 | 2015-09-17 | |||
| WO2012014757A1 | 2012-02-02 |
Foreign References:
| JP2010126636A | 2010-06-10 | |||
| JP2005272527A | 2005-10-06 | |||
| JP2014168940A | 2014-09-18 | |||
| JP2012036299A | 2012-02-23 |
Attorney, Agent or Firm:
INABA, Yoshiyuki et al. (JP)
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