Flame retardant polyurethane foams resistant to cigarette smolde

Details Flame retardant polyurethane foams resistant to cigarette smolde Flame retardant polyurethane foams resistant to cigarette smolde

1989-02-17

1990-01-09

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521129, 521137, 521163, 521166, 521906, C08G 1814

Patent

active

048928933

ABSTRACT:
The invention pertains to flame retardant flexible polyurethane foams resistant to cigarette smoldering after being subjected to flex fatigue, prepared by reacting a conventional polyether polyol, toluene diisocyanate, and a blowing agent, and incorporating substantially uncrushed melamine in an amount ranging from about 5 weight percent to about 25 weight percent.

REFERENCES:
patent: 4221875 (1980-09-01), Yukuta et al.
patent: 4258141 (1981-01-01), Jarre et al.
patent: 4293657 (1981-10-01), Nissen et al.
patent: 4317889 (1982-03-01), Pcolinsky
patent: 4644015 (1987-02-01), Scaccia et al.
patent: 4745133 (1988-05-01), Gruibergs et al.
patent: 4826884 (1989-05-01), Grace et al.

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