Impact-resistant compositions based on vinyl chloride polymers a

Details Impact-resistant compositions based on vinyl chloride polymers a Impact-resistant compositions based on vinyl chloride polymers a

1992-01-28

1993-05-25

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524300, 524504, 523200, 523 71, C08J 300

Patent

active

052140920

ABSTRACT:
Impact-resistant compositions based on vinyl chloride polymers and their use for profile extrusion, comprising, by way of vinyl chloride polymers: (a) from 40 to 60 parts of graft copolymer of vinyl chloride with lightly crosslinked polybutyl acrylate, (b) from 10 to 50 parts of graft copolymer of vinyl chloride with an ethylene/vinyl acetate copolymer and (c) from 10 to 50 parts of unmodified vinyl chloride polymer per 100 parts by weight in total of vinyl chloride polymers, as well as, by way of a reinforcing filler, (d) from 4 to 10 parts of calcium carbonate in fatty acid-coated particles of average diameter less than 1 .mu.m per 100 parts by weight of vinyl chloride polymers.

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