Transparent flame-retardant poly(arylether-arylsulfone) molding

Details Transparent flame-retardant poly(arylether-arylsulfone) molding Transparent flame-retardant poly(arylether-arylsulfone) molding

1984-02-21

1985-11-05

Lee, Lester L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524258, 524323, 524339, 524370, 524371, 524372, 524373, 524540, 524609, 524611, 525534, 525535, C08L 8106

Patent

active

045514933

ABSTRACT:
Transparent flame-retardant poly(arylether-arylsulfone) molding materials preferably contain not less than 50% by weight of units of the formula ##STR1## and, as a flameproofing agent, from 0.1 to 10% by weight, based on the weight of poly(arylether-arylsulfone), of a poly(2,6-dibromophenylene 1,4-oxide) having a molecular weight of from 1000 to 20000, and, if required, a heat stabilizer.
The molding materials are useful for the production of shaped articles, films and fibers.

REFERENCES:
patent: 3830766 (1974-08-01), Praetzel et al.
patent: 3883481 (1975-05-01), Kopetz et al.
patent: 3989531 (1976-11-01), Orlando et al.
patent: 4038248 (1977-07-01), Anderson
patent: 4041013 (1977-08-01), Anderson
patent: 4049619 (1977-09-01), Anderson
patent: 4170711 (1979-10-01), Orlando et al.

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