Fire retardant compounds

Details Fire retardant compounds Fire retardant compounds

1974-10-04

1977-09-20

Horwitz, D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260649DP, 2603325, 260 457R, 260 458R, 252 81, C07C 2518

Patent

active

040497267

ABSTRACT:
Novel brominated polydiisopropylarylene compounds which can be used for imparting fire retardance properties to polymers such as polystyrene and polypropylene contain bromine as a substituent on the aliphatic radicals and have the following formula: ##STR1## A is a thienylene group or an arylene group such as a substituted or unsubstituted phenylene, biphenylene, napthylene, or anthracylene group, R.sub.1 through R.sub.4 a methyl group substituted or not with bromine, R.sub.5 and R.sub.6 a bromine atom or a hydrogen atom, and n a whole number in the range of 2 to 10, the number of bromine atoms per molecule in the aliphatic groups being at least 2 and the total bromine content being not more than 70 per cent by weight.

REFERENCES:
patent: 2954412 (1960-09-01), Wulf et al.
patent: 3200152 (1965-08-01), Ruppert et al.
patent: 3240722 (1966-03-01), Orttung et al.

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