B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/715
B29C 67/24 (2006.01) C08G 18/66 (2006.01) C08G 18/82 (2006.01) C08J 3/24 (2006.01)
Patent
CA 1153525
D.75,752-FB HEAT STABLE REACTION INJECTION MOLDED ELASTOMERS ABSTRACT The invention is a method for making reaction injection molded polyurethane of improved properties and the resulting molded polyurethane. The product comprises the cured reaction product of a high molecular weight polyhydric polyether, a low molecular weight active hydrogen containing compound having a functionality of at least two and a polyisocyanate. The reaction product is cured by subjecting it to an ambient temperature of from 290 - 425 ( 143 to 219°C) for a time sufficient to achieve an improvement in properties.
349856
Dominguez Richard J.g.
Rice Doris M.
Smart & Biggar
Texaco Development Corporation
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