Polyvinyl chloride resin composition for powder molding

Details Polyvinyl chloride resin composition for powder molding Polyvinyl chloride resin composition for powder molding

C - Chemistry, Metallurgy

08

K

400/3073, 400/93

C08K 5/12 (2006.01) C08L 27/06 (2006.01)

Patent

CA 1333305

A powder molding composition containing a dry blend of a polyvinyl chloride resin and a plasticizer which is a mixed trimellitate plasticizer consisting of a mixture of compounds represented by general formula I: Image (I) R is an alkyl group and each of the compounds contains the same or different alkyl groups in one and the same molecule, or in different molecules. The alkyl groups in the mixture have a straight chain ratio of at least 85 mol % and consist of 5 to 55 mol % of alkyl groups having at most seven carbon atoms, 45 to 95 mol % of alkyl groups having eight carbon atoms, and at most 10 mol % of alkyl groups having at least nine carbon atoms. The resin compositions have improved flowability and moldability and produce molded products with improved heat and low temperature resistance.

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