Thermoplastic PVC molding compositions containing a phosphite co

Details Thermoplastic PVC molding compositions containing a phosphite co Thermoplastic PVC molding compositions containing a phosphite co

1983-05-16

1985-03-19

Seccuro, Carman J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524178, 524179, 524180, 524504, 525 71, 525 74, 525207, C08K 504, C08L 2508, C08L 2706, C08L 5104

Patent

active

045060495

ABSTRACT:
A thermoplastic molding composition having good gloss and physical properties 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; a styrene-maleic anhydride copolymer having a number average molecular weight within the range of from about 1000 to about 8000; and an alkyl diphenyl phosphite. The copolymer of a vinyl aromatic compound and an .alpha.,.beta.-unsaturated cyclic anhydride can be rubber modified.

REFERENCES:
patent: 3533975 (1970-10-01), Scullin
patent: 3632839 (1972-01-01), Young et al.
patent: 3666700 (1972-05-01), King et al.
patent: 3919354 (1975-11-01), Moore et al.
patent: 3928267 (1975-12-01), Rhodes et al.
patent: 4311806 (1982-01-01), Dufour
patent: 4329272 (1982-05-01), Dufour

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