Flame-retardant, thermosetting foam product and method of prepar

Details Flame-retardant, thermosetting foam product and method of prepar Flame-retardant, thermosetting foam product and method of prepar

1981-07-07

1983-06-28

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521111, 521126, 521127, 521136, 521163, 521166, 521902, 521906, C08G 1832

Patent

active

043906427

ABSTRACT:
A flame-retardant, rigid, thermosetting foam product is prepared by reacting, in the presence of a blowing agent and a catalyst, particularly an organic metal catalyst, a furfural alcohol polymer, a phenol-formaldehyde resin, a melamine and methylene diphenyl isocyanate, which reaction provides for a rigid foam characterized by low friability and good heat- and flame-resistant properties.

REFERENCES:
patent: 3692706 (1972-09-01), Igglesden
patent: 3919127 (1975-11-01), Larsen et al.
patent: 3975319 (1976-08-01), Larsen et al.
patent: 4221875 (1980-09-01), Yukata et al.
patent: 4293657 (1981-10-01), Nissen et al.
patent: 4302551 (1981-11-01), Horn et al.

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