Integral skin rigid urethane foam

Details Integral skin rigid urethane foam Integral skin rigid urethane foam

1990-11-16

1991-10-15

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521173, 521176, C08G 1814

Patent

active

050575449

ABSTRACT:
The present invention relates to an integral skin rigid polyurethane foam having improved compressive strength and flexural strength. This foam is prepared by reacting a polyol resin component with an aromatic isocyanate using water as an auxiliary blowing agent.

REFERENCES:
patent: 4780482 (1988-10-01), Krueger

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