C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/6105, 400/65
C08L 23/28 (2006.01) C08L 23/34 (2006.01) C08L 73/00 (2006.01) C08L 81/00 (2006.01)
Patent
CA 1325490
TITLE BLEND OF CHLORINATED POLYOLEFIN ELASTOMER AND ETHYLENE-CONTAINING TERPOLYMER ABSTRACT OF THE DISCLOSURE A curable polymeric composition exhibiting good low temperature flexibility comprising about 50-90 parts by weight chlorinated polyethylene or chlorosulfonated polyethylene containing about 30-45 weight percent chlorine, and about 10-50 parts by weight of an ethylene terpolymer of 48-74 weight percent ethylene, 20-40 weight percent alkyl acrylate wherein the alkyl group contains 4-9 carbon atoms, and 6-12 weight percent carbon monoxide or sulfur dioxide. Such polymeric blends are especially useful for low temperature applications in contact with oil, e.g. automotive seals and hoses.
535115
E.i. Du Pont de Nemours And Company
Sim & Mcburney
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