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Title:
A manufacturing method of a block copolymer
Document Type and Number:
Japanese Patent JP6252470
Kind Code:
B2
Abstract:
A block comprised of a copolymer is obtained by ring-opening polymerization of a cyclic polyarylene sulfide, so that a block copolymer is produced to have a maximum peak molecular weight measured by size exclusion chromatography (SEC) in a range of not less than 2,000 and less than 2,000,000 and have a unimodal molecular weight distribution in this range.

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Inventors:
Keiko Ichinose
Yokoe Makito
Daisuke Yamamoto
Koji Yamauchi
Kohei Yamashita
Application Number:
JP2014513820A
Publication Date:
December 27, 2017
Filing Date:
March 05, 2014
Export Citation:
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Assignee:
TORAY INDUSTRIES,INC.
International Classes:
C08G81/00; C08G75/0204; C08G75/0245; C08G75/025
Domestic Patent References:
JP2228325A
Attorney, Agent or Firm:
Meisei International Patent Office



 
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