Thermosetting resinous molding compositions

Details Thermosetting resinous molding compositions Thermosetting resinous molding compositions

1981-11-12

1983-02-15

Lieberman, Paul

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

Synthetic resins

Ethylenically unsaturated reactant admixed with either...

525440, 525455, 525920, 528 73, C08L 7506

Patent

active

043742297

ABSTRACT:
A thermosetting resinous composition characterized in constituting at least two oligomeric polyester segments terminally joined through a polyurethane residue and having end groups containing polymerizable unsaturation. Further disclosed are the thermoset products obtained by the addition polymerization of the aforesaid compositions in the presence or absence of a copolymerizable monomeric crosslinking agent. The resultant thermoset products are particularly useful in preparing molded articles.

REFERENCES:
patent: 3509234 (1970-04-01), Burlant
patent: 3677920 (1972-07-01), Kai
patent: 3772404 (1973-11-01), Knight
patent: 3876726 (1975-04-01), Ford
patent: 3907751 (1975-09-01), Knight
patent: 3954714 (1976-05-01), Kuehn
patent: 3975457 (1976-08-01), Chang
patent: 4065587 (1977-12-01), Hwa
patent: 4082634 (1978-04-01), Chang
patent: 4213837 (1980-07-01), Bristowe

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