Polyvinyl chloride resin compositions for molding

Details Polyvinyl chloride resin compositions for molding Polyvinyl chloride resin compositions for molding

1986-03-12

1987-04-21

Hoke, Veronica P.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524400, 524436, 524567, C08K 509

Patent

active

046597646

ABSTRACT:
A polyvinyl chloride powder molding composition is made which is resistant to staining upon thermal exposure when used as a covering for polyurethane articles. Staining of the mold lining is also inhibited. The polymer composition affording these advantages comprises a dry blended mixture of a vinyl chloride resin, a plasticizer, a pigment, a filler and as a thermal stabilizer, a barium-zinc C.sub.6 to C.sub.9 carboxylic acid soap mixture and at least one inorganic magnesium compound.

REFERENCES:
patent: 3262896 (1966-07-01), Ackerman
patent: 3510441 (1970-05-01), Huntzinger
patent: 3640747 (1972-02-01), Richart
patent: 4379882 (1983-04-01), Miyata
R. E. Lally et al., Modern Plastics Encyclopedia (Dec. 1949) pp. 111, 112, 114, 116, 156 to 162.
H. Verity Smith "Stabilizers for Vinyl Polymers Part I, Soaps" British Plastics 176-179, May 1954.
Deanin et al., "Synergism in Thermal Stabilization of Polyvinyl Chloride" Polymer Eng. & Sci. Jan. 1973, vol. 13, No. 1, 35-39.
F. Chevassus et al., The Stabilization of Polyvinyl Chloride, 173-1975, 1963.
European Search Report: Prof. Kurt Thinius, "Stabilisierung und Alterung von Plastwerkstoffen", Akademie-Verlag, Berlin (1969) pp. 217-224.

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