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Title:
POLYMER ELECTROLYTE AND PROCESS FOR ITS PRODUCTION
Document Type and Number:
Japanese Patent JP2008111107
Kind Code:
A
Abstract:

To provide a method for sulfonating a polyether ketone under a mild and controllable condition and to provide a new sulfonated polyether ketone.

The invention relates to a sulfonated aromatic polyether ketone of the formula; [Ar-O-Ar'-CO-Ar'-O-Ar-CO-Ar"-CO-], in the formula from 1 to 100% of the O-phenylene-CO units may be substituted with an SO3M group and sulfonated and unsulfonated O-phenylene-CO units may be in any desired sequence with respect to one another, the Ar, Ar' and Ar" groups independently of one another are substituted or unsubstituted 1,2-, 1,3- or 1,4-phenylene rings, and M, taking into account the ionic valencies, comprises one or more elements selected from the following group: H, NR4+, where R is H or 1-4C alkyl, and an alkali metal or an alkaline earth metal or a metal belonging to sub Group VIII, and is preferably H, NR4+, Li, Na, K, Ca, Mg, Fe or Pt.


Inventors:
CLAUSS JOACHIM
DECKERS GREGOR
SCHNELLER ARNOLD
WITTELER HELMUT
Application Number:
JP2007251293A
Publication Date:
May 15, 2008
Filing Date:
September 27, 2007
Export Citation:
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Assignee:
BASF FUEL CELL GMBH
International Classes:
B01D71/06; B01D71/52; C08G65/326; C08G61/12; C08G65/38; C08G65/48; C08G67/00; C08J3/07; C08L71/10; H01B1/12; H01M6/18; H01M8/02; H01M8/10; H01M10/05; H01M10/0565
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Okimoto Kazuaki