Thermoplastic PVC molding compositions

Details Thermoplastic PVC molding compositions Thermoplastic PVC molding compositions

1983-05-16

1985-04-23

Seccuro, Carman J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525 71, 525 74, 525207, 525192, 524507, 524178, 524179, C08L 2706, C08L 2328, C08L 2508, C08L 5502

Patent

active

045131082

ABSTRACT:
A thermoplastic molding composition having high Izod Impact and heat deflection temperature is disclosed. This composition contains in intimate admixture: a vinyl chloride polymer; a copolymer of a vinyl aromatic compound and an .alpha.,.beta.-unsaturated cyclic anhydride; as a first impact modifier, chlorinated polyethylene resin; and as a second impact modifier either a MBS impact modifier, an ABS impact modifier, a MABS impact modifier or a mixture thereof. This copolymer of a vinyl aromatic compound and an .alpha.,.beta.-unsaturated cyclic anhydride can be rubber modified.

REFERENCES:
patent: 3467732 (1969-09-01), Schnebelen et al.
patent: 4311806 (1982-01-01), Dufour
patent: 4329272 (1982-05-01), Dufour
patent: 4345040 (1982-08-01), Hall

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