Modified polyurethane liquid polymer compositions

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...

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524590, 525455, 528 75, 536 183, 72289, 226 91, 242 82, C08G 1848, B21C 114

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active

045337179

ABSTRACT:
A novel, heat curable, liquid polymer composition is disclosed which comprises a modified urethane oligomer containing terminal ethylenic unsaturation and a free radical catalyst. In a preferred embodiment, the polymer composition further includes at least one additional component selected from a reinforcing agent and a filler; the cured composition demonstrates enhanced impact properties and is particularly useful in automotive body constructions.

REFERENCES:
patent: 3780963 (1973-12-01), Hirschfelder
patent: 3833161 (1974-09-01), Krumbein
patent: 4149398 (1979-04-01), Eichenlaub, Jr.
patent: 4312972 (1982-01-01), Khanna

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