Blend of a vinyl chloride polymer and an impact modifier

Details Blend of a vinyl chloride polymer and an impact modifier Blend of a vinyl chloride polymer and an impact modifier

1978-05-22

1979-09-18

Seccuro, Carman J.

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

Synthetic resins

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

260 2850, 260 4575J, 525 85, 525233, C08L 5100, C08L 3506

Patent

active

041682858

ABSTRACT:
A blend of a vinyl chloride polymer, and a crosslinked (meth)acrylate/crosslinked styrene-acrylonitrile/uncrosslinked styrene-acrylonitrile impact modifier is disclosed. The presence of the impact modifier gives the blend improved impact resistance as compared to the vinyl chloride polymer alone. The impact modifier also functions as a heat distortion temperature improver and process aid for the vinyl chloride polymer.

REFERENCES:
patent: 3655826 (1972-04-01), Fellmann et al.
patent: 3944631 (1976-03-01), Yu et al.

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