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Patent Searching and Data


Title:
METHOD FOR PRODUCING POLYARYLENE SULFIDE AND APPARATUS FOR CONTINUOUSLY PRODUCING POLYARYLENE SULFIDE
Document Type and Number:
WIPO Patent Application WO/2018/159222
Kind Code:
A1
Abstract:
The present invention comprises: a step for supplying reaction raw materials to at least one of a plurality of reaction vessels that are connected with each other via the gas phase; a step for carrying out a polymerization reaction; and a step for removing at least a portion of water present in the reaction vessels, wherein the respective steps take place concurrently, and a reaction mixture is moved sequentially among the reaction vessels. In doing so, the removed heat amount in the polymerization reaction is less than the reaction heat amount of said polymerization reaction.

Inventors:
MIYAHARA MICHIHISA (JP)
SUZUKI KENJI (JP)
SAKABE HIROSHI (JP)
Application Number:
PCT/JP2018/003805
Publication Date:
September 07, 2018
Filing Date:
February 05, 2018
Export Citation:
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Assignee:
KUREHA CORP (JP)
International Classes:
C08G75/0254; C08G75/0259
Foreign References:
JP2008285596A2008-11-27
JP2016532770A2016-10-20
JP2012188625A2012-10-04
JPH08100064A1996-04-16
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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