Non-burning, non-smoking thermoset foam composition

Details Non-burning, non-smoking thermoset foam composition Non-burning, non-smoking thermoset foam composition

1982-04-26

1984-01-24

Cockeram, H. S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521128, 521137, 521163, 521903, C08G 1814, C08G 1832

Patent

active

044277970

ABSTRACT:
A foam composition obtained by first forming a pre-blend reaction product by reacting about 200 to about 250 parts by weight melamine with about 20 to about 100 parts by weight phenolic resin having benzylic ether linkages in the presence of a catalyst and further reacting said pre-blend reaction product with about 20 to about 100 parts by weight isocyanate and about 20 parts by weight polyethylene glycol. Such foams are essentially non-burning under fire conditions and exhibit excellent compression strength characteristics while being virtually non-firable.

REFERENCES:
patent: 3485797 (1969-12-01), Robins
patent: 3928258 (1975-12-01), Alexander
patent: 4108791 (1978-08-01), Wasilczyk
patent: 4221875 (1980-09-01), Yukuta et al.
Draka Foam Limited-Data Sheet on "Drakaflex", High Resilience Foam-Jun. 1980, (Glossop, Derbyshire, England).

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