Flame resistant polymer composition containing phosphorus and br

Details Flame resistant polymer composition containing phosphorus and br Flame resistant polymer composition containing phosphorus and br

1977-11-28

1979-05-29

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260857R, 260858, 260860, 260874, 260897C, 260DIG24, 106 1505, 528169, 528173, C08L 102, C08L 6702, C08L 8502

Patent

active

041566637

ABSTRACT:
Phosphorus- and bromine-containing polymers having the formula ##STR1## WHEREIN R.sub.1 is an alkylene group having 2-3 carbon atoms; ##STR2## WHEREIN M IS AN INTEGER OF 1-4 AND B is an alkylene or alkylidene group having 1-6 carbon atoms or sulfone group; Z is --R.sub.2 or --OR.sub.2, provided that R.sub.2 is an alkyl or aryl group; Y is sulfur or oxygen; l is 0 or 1; p and q are integers of at least 1 and a sum of p and q is an integer of not more than 4; and n is an integer of 3-40 are colorless and have an excellent thermal property. The polymers are excellent as a flame retardant for inflammable organic high polymers, and flame resistant compositions having excellent washing resistance, light resistance and whiteness can be obtained by compounding the phosphorus- and bromine-containing polymer with the inflammable organic high polymer.

REFERENCES:
patent: 2435252 (1948-02-01), Toy
patent: 2572076 (1951-10-01), Toy
patent: 3326852 (1967-06-01), Thomas

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