Polyvinyl chloride resin composition for powder molding

Details Polyvinyl chloride resin composition for powder molding Polyvinyl chloride resin composition for powder molding

1990-08-06

1991-07-30

Schofer, Joseph L.

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...

524569, C08K 509

Patent

active

050361244

ABSTRACT:
A polyvinyl chloride resin composition for powder molding, containing a dry blend of a polyvinyl chloride resin and a plasticizer, wherein the plasticizer is a mixed trimellitate of a mixture of compounds of the formula ##STR1## where R is an alkyl group, each of the compounds contains the same or different alkyl group in the same or different molecules, and the alkyl groups in the mixture have a straight chain ratio of at least 85 mol % and consist of 5 to 55 mol % of alkyl groups having at most seven carbon atoms, 45 to 95 mol % of alkyl groups having eight carbon atoms, and at most 10 mol % of alkyl groups having at least nine carbon atoms.

REFERENCES:
patent: 3872154 (1975-03-01), Hirzy
patent: 4241192 (1980-12-01), Goswami
patent: 4272464 (1981-06-01), Asai et al.
patent: 4659764 (1987-04-01), Isao et al.

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