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US 4,399,060 AGranted
Semiconductive elastomeric composition
AssigneeE. I. Du Pont de Nemours and Company
InventorGary L. Glass
Life of this patent
Estimating the term…
Abstract
Semiconductive elastomeric compositions useful as the outer layer on insulated electric cables and suitable for high temperature vulcanization techniques.
Claims10
Semiconductive elastomeric composition comprising:
- (a) 100 parts by weight of a copolymer of ethylene, 40-62 weight percent of an alkyl acrylate and 0.5-10 weight percent of a monoalkyl ester of 1,4-butenedioic acid;
- (b) 1 to 10 parts by weight of a peroxide curing agent;
- (c) 10 to 150 parts by weight of an electrically conductive carbon black;
- and
- (d) 0 to 100 parts by weight of a copolymer of ethylene with propylene and/or an unconjugated diene.
2 more elements
Dependencies are inferred from the claim text.