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Title:
AROMATIC POLYSULFONE COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2019/017383
Kind Code:
A1
Abstract:
The present invention pertains to an aromatic polysulfone composition characterized by containing an aromatic polysulfone (P1), and an aromatic polysulfone (P2) different from the aromatic polysulfone (P1), wherein the (P1) contains an amino group-containing aromatic polysulfone having an amino group at an end of the polymer chain, the amino group-containing aromatic polysulfone has a weight-average absolute molecular weight (Mw) of less than 20,000 g/mol, the repeating unit of the (P2) consists substantially of a repeating unit represented by general formula (A), the (P2) has a glass transition temperature (Tg) of 222ºC or higher, the weight-average absolute molecular weight (Mw) of the aromatic polysulfone composition is greater than the weight-average absolute molecular weight (Mw) of the amino group-containing aromatic polysulfone.

Inventors:
ITO KAZUYUKI (JP)
Application Number:
PCT/JP2018/026902
Publication Date:
January 24, 2019
Filing Date:
July 18, 2018
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
C08L81/06; C08G75/20
Domestic Patent References:
WO2013031989A12013-03-07
Foreign References:
JPH02215837A1990-08-28
JP2003126664A2003-05-07
JPS6372756A1988-04-02
JP2013206788A2013-10-07
JP2017138721A2017-08-10
JP2005036095A2005-02-10
Other References:
See also references of EP 3656819A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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