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POLYVINYL CHLORIDE MEMBRANE COMPOSITION AND METHOD FOR MAKING A POLYVINYL CHLORIDE MEMBRANE
POLYVINYL CHLORIDE MEMBRANE COMPOSITION AND METHOD FOR MAKING A POLYVINYL CHLORIDE MEMBRANE
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机译:聚氯乙烯膜的组成和制备方法
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摘要
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.
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