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Title:
POLYBIPHENYL ETHER SULFONE RESIN, METHOD FOR PRODUCING SAME AND MOLDED ARTICLE OF SAME
Document Type and Number:
WIPO Patent Application WO/2020/204109
Kind Code:
A1
Abstract:
The present invention relates to a polybiphenyl ether sulfone resin which is substantially composed of a repeating structure of formula (1). If a test piece with a notch is formed by injection molding this polybiphenyl ether sulfone resin, the Izod impact value of the test piece with a notch after being subjected to a heat treatment at 180°C for 48 hours is 300 J/m or more as determined in accordance with ASTM D256.

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Inventors:
ITO KAZUYUKI (JP)
YOKOZAKI YUTA (JP)
Application Number:
PCT/JP2020/015115
Publication Date:
October 08, 2020
Filing Date:
April 01, 2020
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
C08G65/40; C08G75/23
Domestic Patent References:
WO2020066875A12020-04-02
Foreign References:
JP2006232974A2006-09-07
JPH05301955A1993-11-16
JPS62179527A1987-08-06
JP2004107606A2004-04-08
JP2004263154A2004-09-24
Other References:
See also references of EP 3950782A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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