Polymer blends of PVC and polyketones

Details Polymer blends of PVC and polyketones Polymer blends of PVC and polyketones

1995-02-23

1997-03-11

Hamilton, III, Thomas

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

Synthetic resins

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

525539, C08G 6702

Patent

active

056102364

ABSTRACT:
A polymer blend composition comprises a polyketone and PVC provided that the polyketone is not a propylene/CO copolymer having a molecular weight of less than 10,000. The softening point of PVC can be increased by blending with polyketones. Blends of polyketones and unplasticised PVC are particularly preferred.

REFERENCES:
patent: 2541987 (1948-08-01), Cramer
patent: 4137382 (1979-01-01), Vetter, Jr.
patent: 5084510 (1992-01-01), Braden et al.
patent: 5204412 (1993-04-01), Davidson et al.
patent: 5209983 (1993-05-01), Case et al.
patent: 5232786 (1993-08-01), Waters et al.

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