Polymerizable resinous blend of unsaturated polyester resin and polymerizable monomer and method of preparing the same
Abstract
Abstract POLYMERIZABLE BLEND COMPRISING (1) AN UNSATURATED POLYESTER RESIN PREPARED FROM (A) AN ALPHA-BETA-ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID OR ACID ANHYDRIDE AND (B) AN EXCESS OF A POLYHYDRIC ALCOHOL WHICH IS THEN REACTED AT A TEMPERATURE RANGING FROM ABOUT 150*C. TO ABOUT 200*C. WITH (C) A PHOSPHONATE INTERMEDIATE WHICH IS THE REACTION PRODUCT OF A PHOSPHONATE AND AN ORGANIC HYDROXY ACID OR A LACTONE AT A TEMPERATURE RANGING FROM ABOUT 110*C. TO ABOUT 80C. IN THE PRESENCE OF A CATALYST AND (2) A POLYMERIZABLE MONOMER CONTAINING A CH2=CH GROUP, SAID POLYMERIZABLE RESIN BLEND POSSESSING EXCELLENT FLAME-RETARDANT PROPERTIES, BEING VERY LIGHT IN COLOC, HAVING LONG STORAGE LIFE AND OUTSTANDING RESISTANCE TO UV DEGRADATION, AND METHOD OF MAKING SAME.
Inventors
- 👤 Donald A Buck
Bibliographic Details
Claims Analysis
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