Restricted expansion foaming and the flexible polyurethane foam

Details Restricted expansion foaming and the flexible polyurethane foam Restricted expansion foaming and the flexible polyurethane foam

1987-05-04

1988-10-11

Kight, John

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521172, 521174, 521137, 264 50, 264 51, 264 52, C08G 1830

Patent

active

047771860

ABSTRACT:
Polyurethane foams having improved physical properties are produced by placing a polymerizable polyurethane reaction mixture into a pressurizable chamber, then polymerizing the reaction mixture at an elevated pressure sufficient to prevent the resulting polymer from completely filling the chamber.

REFERENCES:
patent: 3488300 (1970-01-01), Burkholder et al.
patent: 4150206 (1979-04-01), Jourquin et al.

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