Pvc moulding compositions stabilised by organotin compounds

Details Pvc moulding compositions stabilised by organotin compounds Pvc moulding compositions stabilised by organotin compounds

C - Chemistry, Metallurgy

08

K

C08K 5/57 (2006.01) C08K 3/16 (2006.01) C08K 5/58 (2006.01) C08L 27/06 (2006.01) C08L 57/00 (2006.01) C08L 23/08 (2006.01) C08L 55/02 (2006.01)

Patent

CA 2096490

Compositions are described which comprise (a) 20-80 % by weight of a vinyl chloride homopolymer (PVC), (b) 80-20 % by weight of at least one copolymer, from the group consisting of ABS, NBR, NAR, SAN and EVA, (c) 0.5-5 % by weight (based on (a) and (b)) of an organotin compound from the class consisting of the organotin mercaptides and/or organotin carboxylates and (d) 0.01-1.0 % by weight (based on (a) and (b)) of at least one perchlorate of a monovalent and/or divalent metal. These compositions have improved heat ageing behaviour and are particularly suitable for the production of sheeting which can be employed in the motor vehicle industry.

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