Sulfonated olefinic copolymers

Compositions – Electrolytes for electrical devices

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Details

252 482, 5253319, 5253321, 525353, C10M15100

Patent

active

053892712

ABSTRACT:
The present invention provides novel sulfonated ethylene/alpha olefin copolymer compositions obtained by sulfonating ethylene/alpha olefin copolymer having number average molecular weights in the range of about 800 to about 50,000, and which have a high degree of terminal unsaturation. Preferably, at least 30% of the terminal unsaturation is vinylidene terminal unsaturation. Also, the alpha olefin preferably has 3 to about 12 carbon atoms.

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patent: 4778614 (1988-10-01), Rawlinson et al.
patent: 4897088 (1990-01-01), Ishikawa et al.

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