Vinyl halide stabilizer compositions

Details Vinyl halide stabilizer compositions Vinyl halide stabilizer compositions

C - Chemistry, Metallurgy

09

K

31/71, 400/9333

C09K 15/06 (2006.01) C08K 3/00 (2006.01) C08K 5/00 (2006.01) C08K 13/02 (2006.01) C08L 27/06 (2006.01)

Patent

CA 1152734

ABSTRACT A vinyl halide resin stabilizer composition which essentially contains: (a) a calcium, zinc or mixed calcium/zinc salt of a higher fatty acid; (b) a polyhydroxy alcohol component wherein at least 50% of this component is either di-or tri-pentaerythritol; and (c) a magnesium compound, particularly magnesium hydroxide or magnesium acetate These compositions synergistically contribute to the heat stability of vinyl halide resin compositions and offer significant heat stabilization economies. Early color as well as long term heat stability performances of the metal salt compounds are improved in the compositions disclosed thereby permitting the reduction in amounts of such compounds needed for stabilization.

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