Flame retardant phenolic foams

Details Flame retardant phenolic foams Flame retardant phenolic foams

1986-11-03

1987-07-21

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 88, 521107, 521108, 521114, 521181, 524130, 524132, 524140, 524141, 524142, 524145, 524371, C08J 914

Patent

active

046819029

ABSTRACT:
This invention relates to flame retardant phenol aldehyde foams which have a k value below 0.020 W/mk. The foams have as flame retardants a blend of a halosubstituted diphenyl oxide and an organic phosphorus compound. The feature of the invention is that unlike conventional flame retardants, the blend now used does not adversely affect the low k value i.e. the low thermal conductivity of the foam.

REFERENCES:
patent: 3673130 (1972-06-01), Papa et al.
patent: 4256844 (1981-03-01), Martin et al.
patent: 4369259 (1983-01-01), Tiroux et al.
patent: 4640934 (1987-02-01), Michel

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