Polyurethane/urea foams employing imino/enamine functional compo

Details Polyurethane/urea foams employing imino/enamine functional compo Polyurethane/urea foams employing imino/enamine functional compo

1989-08-30

1991-02-05

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

121121, 121129, 121130, 121176, C08G 1814

Patent

active

049905481

ABSTRACT:
Polyurethane/polyurea foams are made by reacting an organic polyisocyanate with resins containing imino/enamino-functional groups in the presence of blowing agents. Control of foam properties is offered by selecting imino/enamino-functional groups which decompose with water at the temperature of the reaction to produce volatile gases.

REFERENCES:
patent: 4428983 (1984-01-01), Nehen et al.
patent: 4745133 (1988-05-01), Grinbergs et al.
patent: 4794129 (1988-12-01), Gillis, Jr. et al.
patent: 4935460 (1990-06-01), Cassidy et al.

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