C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/4801, 400/49
C08L 23/06 (2006.01) C08L 23/08 (2006.01) C08L 23/28 (2006.01) C08L 23/34 (2006.01) C08L 27/06 (2006.01) H01B 3/44 (2006.01) C08L 73/00 (2006.01)
Patent
CA 1275524
TITLE BLEND OF POLYVINYL CHLORIDE, CHLORINATED OR CHLOROSULFONATED POLYETHYLENE AND ETHYLENE-CONTAINING TERPOLYMER ABSTRACT OF THE DISCLOSURE A polymer composition comprising (a) 35-65 parts by weight polyvinyl chloride, (b) 10-55 parts by weight chlorinated polyethylene or chlorosulfonated polyethylene elastomer or mixtures thereof containing 24-40 weight percent chlorine, (c) 10-55 parts by weight of a chlorinated polyethylene or chlorosulfonated polyethylene elastomer or mixtures thereof containing 40-52 weight percent chlorine with the proviso that the chlorine level of the elastomers (b) and (c) differ by at least 5 weight percent, and (d) 1-30 parts by weight per 100 parts by weight of total chlorinated polymers (a), (b) and (c) of an ethylene terpolymer containing 48-74 weight percent ethylene, 20-40 weight percent vinyl acetate or alkyl acrylate wherein the alkyl group contains 1-10 carbon atoms, and 6-14 weight percent carbon monoxide. Such compositions are useful as pond liners, roofing membranes, wire and cable covering, and window profiles.
567309
Chen John C.
Chou Richard T.
Chen John C.
Chou Richard T.
E.i. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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