Production of polyurethane foam of reduced tendency to form embe

Details Production of polyurethane foam of reduced tendency to form embe Production of polyurethane foam of reduced tendency to form embe

1979-09-19

1981-02-17

Cockeram, H. S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 99, 521107, 521172, C08G 1814, C08G 1830

Patent

active

042516358

ABSTRACT:
Flexible polyurethane foam having reduced tendency to form burning embers when it is ignited and burned is provided by incorporating into the reaction mixture before foaming a ketone or benzaldehyde.
In a preferred embodiment, flexible polyurethane foam of increased flame retardance is provided by also incorporating a flame retardant into the reaction mixture before foaming.

REFERENCES:
patent: 3121699 (1964-02-01), Merriman
patent: 3165483 (1965-01-01), Gemeinhardt et al.
patent: 3179626 (1965-04-01), Beitchman
patent: 3681273 (1972-08-01), Kelly
patent: 3803063 (1974-04-01), Krentz
patent: 4045378 (1977-08-01), Maxwell
patent: 4055522 (1977-10-01), Oshida et al.
patent: 4139501 (1979-02-01), Rudner et al.

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