Interpolymers of polyurethanes and addition polymerizable monome

Details Interpolymers of polyurethanes and addition polymerizable monome Interpolymers of polyurethanes and addition polymerizable monome

1981-03-26

1982-01-26

Welsh, Maurice J.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

521159, 521163, 521176, 528 64, 528 66, 528 75, C08G 1804

Patent

active

043129722

ABSTRACT:
Interpolymerizate of polyurethane-forming ingredients (polyol, polyisocyanate) and free radical addition polymerizable monomers, at least one of which contains an hydroxyl group (e.g., styrene plus 2-hydroxyethyl methacrylate). The interpolymer is prepared in the presence of a catalyst for polyurethane formation and a free radical addition polymerization catalyst. Product is homogeneous and insoluble. System is useful in reaction injection molding processes.

REFERENCES:
patent: 3451952 (1969-06-01), Slocombe
patent: 4125487 (1978-11-01), Olstowski
patent: 4133723 (1979-01-01), Howard
Frisch et al., (ed), Advances in Urethane Science & Technology, vol. 4, Technomatic, Westport, Conn., 1976, pp. 132-165.

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