Title:
COMPOSITE MOLDED ARTICLE AND RUBBER COMPOSITION FOR COMPOSITE MOLDED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2022/071498
Kind Code:
A1
Abstract:
Disclosed is a composite molded article provided with a rubber molded article and an adherend directly adhered to the rubber molded article. The rubber molded article is a vulcanizate of a rubber composition containing an unsaturated carboxylic acid metal salt represented by formula (1), and an ethylene-α-olefin-based copolymer rubber. The contained amount of the unsaturated carboxylic acid metal salt in the rubber composition is 1-30 parts by mass with respect to 100 parts by mass of the contained amount of the ethylene-α-olefin-based copolymer rubber. The adherend may be a molded article containing a high-HSP high-molecular-weight material having a Hansen solubility parameter of 20-38 MPa0.5.
Inventors:
OBA NAOTO (JP)
FUJII YOHEI (JP)
FUJII YOHEI (JP)
Application Number:
PCT/JP2021/036181
Publication Date:
April 07, 2022
Filing Date:
September 30, 2021
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
B32B25/08; C08K5/098; C08L23/08
Domestic Patent References:
| WO2018212180A1 | 2018-11-22 | |||
| WO2008117859A1 | 2008-10-02 |
Foreign References:
| JP2008031270A | 2008-02-14 | |||
| JP2019188652A | 2019-10-31 | |||
| JP2013189626A | 2013-09-26 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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