Resin composition and process for preparing this resin compositi

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Ethylenically unsaturated reactant admixed with a preformed...

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525 44, 525 48, 525 74, C08L 6708

Patent

active

050267701

ABSTRACT:
The invention relates to a resin composition comprising a mixture of resins, a first resin of which consists of the reaction product of an epoxidized fatty acid ester of a polyvalent alcohol with a carboxylic acid and a second resin consists of an ester of a polyvalent alcohol, modified with carboxylic acid.
The resin mixture, contains an unsaturated polyester resin having a molecular weight of 1200-20,000 per double bond and an acid number of 5-50, from about 50% to about 90% of the unsaturation being formed by a semi-ester of an .alpha.,.beta.-unsaturated dicarboxylic acid.

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