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Title:
AROMATIC POLYSULFONE RESIN AND MEMBRANE THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/142507
Kind Code:
A1
Abstract:
An aromatic polysulfone resin which has repeating units represented by formula (I) and formula (II) and in which the ratio (m:n) of the molar content (m) of the repeating units represented by formula (I) and the molar content (n) of the repeating units represented by formula (II) is 1:2000-1:200. (The hydrogen atoms in the phenylene groups of formula (I) and formula (II) may each independently be substituted by alkyl groups, aryl groups, or halogen atoms.)

Inventors:
KOHINATA Yusaku (LIMITED 6, Kitahara, Tsukuba-sh, Ibaraki 94, 〒3003294, JP)
Application Number:
JP2018/044011
Publication Date:
July 25, 2019
Filing Date:
November 29, 2018
Export Citation:
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Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED (27-1, Shinkawa 2-chome Chuo-k, Tokyo 60, 〒1048260, JP)
International Classes:
C08G65/40; B01D71/68; C08J9/28
Domestic Patent References:
WO2017114163A12017-07-06
Foreign References:
JP2008094921A2008-04-24
JP2006077043A2006-03-23
Attorney, Agent or Firm:
TANAI Sumio et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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