Integral skin rigid polyurethane structural foam

Details Integral skin rigid polyurethane structural foam Integral skin rigid polyurethane structural foam

1987-05-01

1988-10-25

Kight, John

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521155, 521164, 521173, C08G 1830

Patent

active

047804823

ABSTRACT:
The invention relates to integral skin rigid polyurethane structural foam having high impact strength, high heat distortion and flame retardant properties. This foam is prepared from a polyol selected from the group consisting of polyoxyalkylene polyether polyol, a polyester polyol or mixture thereof, an organic polyisocyanate, a chain extender and blowing agent.

REFERENCES:
patent: 4305991 (1981-12-01), Mayborg et al.

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