The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 11, 2018
Filed:
Apr. 18, 2017
Dic Corporation, Tokyo, JP;
National University Corporation, Iwate University, Morioka-shi, JP;
Hajime Watanabe, Ichihara, JP;
Takashi Furusawa, Ichihara, JP;
Satoshi Ogawa, Morioka, JP;
Toshikazu Takata, Tokyo, JP;
DIC Corporation, Tokyo, JP;
National University Corporation, Iwate University, Morioka-shi, JP;
Abstract
The present invention relates to a method for manufacturing a polyarylene sulfide resin comprising: a step of reacting a poly(arylenesulfonium salt) having a constitutional unit represented by the following formula (1) with an aliphatic amide compound to obtain a polyarylene sulfide resin having a constitutional unit represented by the following formula (2): wherein Rrepresents a direct bond, -Ar-, -Ar-S— or -Ar-O—; Arand Areach represent an arylene group optionally having a functional group as a substituent; Rrepresents an alkyl group having 1 to 10 carbon atoms or an aromatic group optionally having an alkyl group having 1 to 10 carbon atoms as a substituent; and Xrepresents an anion, wherein Rand Arare the same as described above.