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:
Jul. 18, 2006
Filed:
Dec. 15, 2003
Nagayuki Kanaoka, Wako, JP;
Masaru Iguchi, Wako, JP;
Naoki Mitsuta, Wako, JP;
Hiroshi Soma, Wako, JP;
Toshihiro Ohtsuki, Tokyo, JP;
Nagayuki Kanaoka, Wako, JP;
Masaru Iguchi, Wako, JP;
Naoki Mitsuta, Wako, JP;
Hiroshi Soma, Wako, JP;
Toshihiro Ohtsuki, Tokyo, JP;
JSR Corporation, Tokyo, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
Described herein is a production method of sulfonated polyarylene that is safe and enables easy control of the amount and position of sulfonic groups introduced in the polymer. The sulfonated polyarylene is also disclosed. The invention further provides a polyarylene and an aromatic sulfonate derivative that are suitably employed in the above production method. Also provided are a macromolecular solid electrolyte that comprises the sulfonated polyarylene, and a proton conductive membrane. The aromatic sulfonate derivative has the following formula (1): wherein X is a halogen atom other than fluorine, a —OSOCHgroup or a —OSOCFgroup; Y is a divalent organic group; A is —(CH)— or —(CF)— (wherein m is an integer of 1 to 10); and R is a Chydrocarbon group. The production method of sulfonated polyarylene comprises coupling polymerization of an aromatic compound that includes at least the aromatic sulfonate derivative of the formula (1) and hydrolysis of the resultant polyarylene.