Poly(parabanic acid) films having improved flammability resistan

Details Poly(parabanic acid) films having improved flammability resistan Poly(parabanic acid) films having improved flammability resistan

1980-10-20

1982-11-30

Hoke, V. P.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524371, 524466, 524469, 524589, 524399, C08K 542, C08K 513

Patent

active

043616674

ABSTRACT:
Thin films of about 1 to 5 mil thick of poly(parabanic acid) (PPA-M form) containing halogenated flame retardants have the flame retardancy enhanced by the addition of small amounts (generally about 0.1 to 3.0 weight percent) of a copper chelate compound.

REFERENCES:
patent: 3547897 (1980-12-01), Patton
patent: 3591562 (1971-07-01), Patton
patent: 3635905 (1972-01-01), Patton
patent: 3661859 (1972-05-01), Patton
patent: 3901847 (1975-08-01), Johnson et al.
patent: 4022751 (1977-05-01), Johnson
patent: 4228066 (1980-10-01), Johnson
Modern Plastics Encyclopedia, pp. 691-695, 1981-82 edition.

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