Flame and dripping ember retardant flexible polyurethane foams

Details Flame and dripping ember retardant flexible polyurethane foams Flame and dripping ember retardant flexible polyurethane foams

1982-12-14

1984-02-21

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252609, 521114, 521128, 521132, 521136, 524105, 524145, 524341, 524371, 524372, 524380, 524597, C08G 1814

Patent

active

044330715

ABSTRACT:
Polyurethane foams prepared from the reaction of polyester polyol with organic isocyanate have improved flame retardance and dripping ember retardance by incorporation of an additive comprising (1) halogenated flame retardant, and (2) water or alcohol soluble urea-formaldehyde resin.

REFERENCES:
patent: 3041293 (1962-06-01), Polacek
patent: 3134742 (1964-05-01), Wismer et al.
patent: 3135707 (1964-06-01), Nyquist et al.
patent: 4122049 (1978-10-01), Wagner
patent: 4130697 (1978-12-01), Stern et al.

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