Title:
THERMOPLASTIC POLYESTER ELASTOMER RESIN COMPOSITION FOR FOAM MOLDING AND FOAM MOLDED BODY OF SAME
Document Type and Number:
WIPO Patent Application WO/2020/050213
Kind Code:
A1
Abstract:
The present invention is a thermoplastic polyester elastomer resin composition for foam molding, which mainly contains a thermoplastic polyester elastomer (A) wherein a hard segment that is composed of a polyester which contains, as constituents, an aromatic dicarboxylic acid component and an aliphatic and/or alicyclic diol component and a soft segment that is composed of an aliphatic polyether are bonded to each other, said thermoplastic polyester elastomer (A) being configured such that: the aromatic dicarboxylic acid component is composed of terephthalic acid (a1) and at least one dicarboxylic acid (a2) other than terephthalic acid; the ratio of the component (a2) in the whole aromatic dicarboxylic acid component is 0.1-50 mol%; and the content of the soft segment is 20-80% by mass. This thermoplastic polyester elastomer resin composition for foam molding is able to stably produce a foam molded body which has a light weight, high impact absorption, excellent heat resistance and excellent mechanical characteristics, while having a melt tension of 0.1-45 cN at a temperature that is higher than the melting point by 10°C.
Inventors:
MORIO ERI (JP)
AKAISHI TAKUYA (JP)
AKAISHI TAKUYA (JP)
Application Number:
PCT/JP2019/034416
Publication Date:
March 12, 2020
Filing Date:
September 02, 2019
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
C08J9/04; C08K5/00; C08L67/02
Domestic Patent References:
| WO2014098252A1 | 2014-06-26 |
Foreign References:
| JPS57142A | 1982-01-05 | |||
| JPS5258767A | 1977-05-14 | |||
| JP2008045120A | 2008-02-28 | |||
| JP2012140532A | 2012-07-26 |
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