Polyisobutylcarboxylic acid amides

Details Polyisobutylcarboxylic acid amides Polyisobutylcarboxylic acid amides

1976-06-30

1978-05-09

Curtis, Allen B.

Compositions

Electrolytes for electrical devices

44 63, 44 71, 260561R, C07C10334, C10M 136

Patent

active

040885887

ABSTRACT:
Carboxamide compositions comprising N-substituted amides of polyisobutylcarboxylic acids, said acids consisting essentially of a mixture of
(i) at least about 80%, by weight, of a polyisobutylcarboxylic acid component characterized by substantially all carboxyl groups being attached to tertiary carbon atoms, and by less than about 20% of said acid component being extractable by successive treatments at 25.degree. C with aqueous alkali and with water, and
(ii) up to about 20%, by weight, of a neutral polyisobutyl component, the polyisobutyl portions of components (i) and (ii) having an average molecular weight of about 750 to 3000;
The N-substituted component of the carboxamide having the formula, --N(R)Z, where R is hydrogen or lower alkyl and Z is a particular heterocyclic or aliphatic polyamine.

REFERENCES:
patent: 3414594 (1968-12-01), Dubeck
patent: 3931024 (1976-01-01), Hu

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