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 13/02 (2006.01) C08K 3/16 (2006.01) C08K 3/24 (2006.01) C08K 5/098 (2006.01) C08L 27/06 (2006.01)

Patent

CA 1299313

Abstract This invention relates to polyvinyl chloride resin compositions suitable for powder molding. The prior art compositions are susceptible to mold and amine staining. The invention provides a polyvinyl chloride resin composition for powder molding and having mold and amine staining resistance. The composition comprises 0.1 to 10 parts by weight of a stabilizer mixture of a barium salt of a carboxylic acid and a zinc salt of a carboxylic acid, each having a melting point not lower than 250°C, the barium and zinc metallic weight ratio being 1:5 to 5:1, and 0.1-10 parts by weight of a metal perchlorate or a perchlorate ion type hydrotalcite compound, or both, per 100 parts by weight of a polyvinyl chloride resin.

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