Flame retardant polysulfone composition

Details Flame retardant polysulfone composition Flame retardant polysulfone composition

1976-04-14

1977-12-27

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 457P, 260 47P, 260 49, C08K 553

Patent

active

040655172

ABSTRACT:
A polysulfone composition comprises 1 to 20 wt. % of polyphosphonate having the formula ##STR1## WHEREIN X represents Br or Cl; Y represents a C.sub.1-8 alkylidene group or sulfone group; a and bare respectively integers of 1 to 4 and n is an integer of 2 to 100.

REFERENCES:
patent: 2572076 (1951-10-01), Toy
patent: 2682522 (1954-06-01), Coover et al.
patent: 3875236 (1975-04-01), Little et al.
patent: 3932351 (1976-01-01), King
New Linear Polymers, by Henry Lee et al., 1967, pp. 102 to 127.

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