Fire retardant, thermosetting, resinous reaction products of pho

Details Fire retardant, thermosetting, resinous reaction products of pho Fire retardant, thermosetting, resinous reaction products of pho

1979-06-07

1981-03-17

Nielsen, Earl A.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521178, 521181, 260451, 2603434, 568630, 568631, 568635, 568640, 528 99, 528108, 528 96, 525507, C08G 5914, C08G 828

Patent

active

042568447

ABSTRACT:
Phosphoric acid is reacted with mono- or polyfunctional epoxides containing methyol or alkoxymethyl groups, to provide resins which are curable simply by heating and contain as much as about 30 weight percent of phosphoric acid. Improved flame retardancy and water resistance are imparted to structural foams by impregnating them with these resins and curing in-situ.

REFERENCES:
patent: 3328319 (1967-06-01), Galinke et al.
patent: 3433769 (1969-03-01), Juneau
patent: 3514418 (1970-05-01), Schwarzer
patent: 3538042 (1970-11-01), Forster
patent: 3773799 (1973-11-01), Schmid
patent: 3839239 (1974-10-01), Godfried
patent: 3859255 (1975-01-01), Heer et al.
patent: 3925315 (1975-12-01), Schmid

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