Hardenable/curable unsaturated polyester based compositions

Details Hardenable/curable unsaturated polyester based compositions Hardenable/curable unsaturated polyester based compositions

1983-06-22

1984-11-20

Bleutge, John C.

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

Synthetic resins

Ethylenically unsaturated reactant admixed with either...

525 48, 523527, C08L 6706

Patent

active

044839634

ABSTRACT:
Storage stable, polyester based compositions well adapted for hardening into molded shaped articles exhibiting virtually no shrinkage, are comprised of (i) an unsaturated polyester, (ii) a polymerizable, ethylenically unsaturated monomer copolymerizable therewith, (iii) an oligoester of the formula: ##STR1## and (iv) a condensate of such oligoester (I) with an unsaturated polyester.

REFERENCES:
patent: 2882256 (1959-04-01), Waychoff
patent: 3766129 (1973-10-01), Pesez
patent: 4229559 (1980-10-01), Cotter
patent: 4263413 (1981-04-01), Gardner
patent: 4293686 (1981-10-01), Gardner
patent: 4316835 (1983-02-01), Gardner

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