Polymer electrolytes and process for their preparation

Details Polymer electrolytes and process for their preparation Polymer electrolytes and process for their preparation

2007-12-11

2007-12-11

Truong, Duc (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C528S128000, C528S175000, C528S219000, C528S226000, C528S229000, C528S373000, C528S391000, C528S482000, C525S328500, C525S471000, C525S535000, C521S027000, C521S028000

Reexamination Certificate

active

11036635

ABSTRACT:
A sulfonated aromatic polyether ketone of the formula (II)in-line-formulae description="In-line Formulae" end="lead"?[Ar—O—Ar′—CO—Ar′—O—Ar—CO—Ar″—CO—]   (II)in-line-formulae description="In-line Formulae" end="tail"?in which from 1% to 100% of the O-phenylene-CO units are substituted with an SO3M group and sulfonated and unsulfonated O-phenylene-CO units can be in any desired sequence with respect to one another, the radicals Ar, Ar′ and Ar″ independently of one another are substituted or unsubstituted 1,2-, 1,3- or 1,4-phenylene rings, andM, taking into account the ionic valencies, comprises one or more elements selected from the following group: H, NR4+, where R is H or C1-C4-alkyl, or an alkali metal or alkaline earth metal or a metal from subgroup 8, and is preferably H, NR4+, Li, Na, K, Ca, Mg, Fe or Pt.

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Journal of Polymer Science: Polymer Chemistry Edition, vol. 23, pp. 2205-2223 (1985).

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