C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 27/06 (2006.01) B32B 27/06 (2006.01) B32B 27/30 (2006.01) C08L 73/00 (2006.01) E04D 1/00 (2006.01)
Patent
CA 2099104
ABSTRACT OF THE DISCLOSURE A roofing membrane and a polymer composition useful as a membrane includes (a) a polyvinyl chloride resin; (b) a carbon monoxide/ethylene/vinyl acetate terpolymer plasticizer for (a); and, a phthalate plasticizer for (a). The ratio of plasticizers (b) to (c), is from about 1.5 to 2.5:1 by weight. A method according to the invention includes coating a membrane as above onto a fabric backing material.
Bridgestone/firestone Inc.
Swabey Ogilvy Renault
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