Clear impact modifier for PVC

Details Clear impact modifier for PVC Clear impact modifier for PVC

1987-02-27

1988-08-16

Lieberman, Allan M.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 86, 525932, C08F27902, C08F27904, C08F29100, C08L 5502

Patent

active

047645636

ABSTRACT:
PVC impact modifier composition and clear modified PVC comprising PVC and a graft copolymer including from 60 to 70 wt % of a butadiene based rubber grafted with 40 to 30 wt % of a styrenic composition and a ethylenically unsaturated nitrile in a ratio of about 3/1 to 5/1. These compositions have excellent clarity and good impact properties.

REFERENCES:
patent: 3073798 (1963-01-01), Baer
patent: 3636138 (1972-01-01), Beer
patent: 3657390 (1972-04-01), Tanaka et al.
patent: 3657391 (1972-04-01), Curfman
patent: 3792125 (1974-02-01), Wefer
patent: 3900528 (1975-08-01), Beer
patent: 3900529 (1975-08-01), Baer
patent: 4287316 (1981-09-01), Kaneko et al.
patent: 4587294 (1986-05-01), Matsubara et al.

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