Phosphate ester flame retardant mixture and foamed resins...

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

C - Chemistry, Metallurgy

08

L

C08L 75/00 (2006.01) C08K 5/521 (2006.01) C08K 5/523 (2006.01) C09K 21/12 (2006.01)

Patent

CA 2063812

ABSTRACT OF THE DISCLOSURE A flame retardant composition, for use in flexible urethane foams, which contains about 5 to 95% of tris(monochioroalkyl, dichloroalkyl or mixtures thereof) phosphate and the remainder is a phenyl phosphate ester which is an alkylated triphenyl phosphate having an approximate average formula (R2ArO)3PO wherein x ranges from 1 to 2, each R is individually selected from the group consisting of hydrogen, C1-C4 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.

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