Fire retardant epoxy resin compositions containing methylol subs

Details Fire retardant epoxy resin compositions containing methylol subs Fire retardant epoxy resin compositions containing methylol subs

1990-12-12

1992-01-28

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528 93, 528102, 528103, 528365, 528398, C08G 5930, C08G 5962

Patent

active

050845462

ABSTRACT:
Thermosetting epoxy resin compositions having improved flame retardancy having combined therewith an effective amount of a dihydroxymethyl phosphine oxide having the general formula ##STR1## wherein R represents an alkyl group having from 1 to about 8 carbon atoms or --R'OH where R' represents an alkylene group having from 2 to about 8 carbon atoms, are disclosed.

REFERENCES:
patent: 2916473 (1959-12-01), Bullock et al.
patent: 3666543 (1972-05-01), Maier
patent: 4345059 (1982-08-01), Fretz, Jr. et al.

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