Phosphate ester flame retardant mixture and foamed resins contai

Details Phosphate ester flame retardant mixture and foamed resins contai Phosphate ester flame retardant mixture and foamed resins contai

1991-10-10

1992-11-17

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252609, C08G 1814

Patent

active

051644177

ABSTRACT:
A flame retardant composition, for use in flexible urethane foams, which contains about 5 to 95% of tris(monochloroalkyl, dichloroalkyl or mixtures thereof) phosphate and the remainder is a phenyl phosphate ester which is an alkylated triphenyl phosphate having an approximate average formula (R.sub.x ArO).sub.3 PO wherein x ranges from 1 to 2, each R is individually selected from the group consisting of hydrogen, C.sub.1 -C.sub.4 alkyl and Ar is phenyl. Flexible urethane foam compositions containing 8 to 14 parts per 100 parts polyol of this composition have sufficient flame retardant properties to meet the Cal 117 test standard.

REFERENCES:
patent: 4565833 (1986-01-01), Buszard et al.

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