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Patent Searching and Data


Title:
AROMATIC POLYESTER, PRODUCTION METHOD THEREFOR, AND COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2020/105574
Kind Code:
A1
Abstract:
This aromatic polyester has a repeating unit represented by formula (1) and a terminal structure unit represented by formula (1e), wherein the proportion of the terminal structure unit per unit mass of the aromatic polyester is not more than 50 µmol/g. (1): -O-Ar1-CO- (1e): -O-Ar1-CO-OH (In the formulae, Ar1 represents a 1,4-phenylene group, a 2,6-naphthylene group, or a 4,4'-biphenylylene group. The hydrogen atoms existing in said groups represented by Ar1 may each be independently substituted with a halogen atom, an alkyl group, or an aryl group.)

Inventors:
OHTOMO SHINJI (JP)
Application Number:
PCT/JP2019/045016
Publication Date:
May 28, 2020
Filing Date:
November 18, 2019
Export Citation:
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Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
C08L27/18; C08G63/06; C08L67/04
Foreign References:
JP2006225642A2006-08-31
JP2006182877A2006-07-13
JP2010174114A2010-08-12
JP2013032484A2013-02-14
JP2019001866A2019-01-10
JP2018217581A2018-11-20
JPS6025046B21985-06-15
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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