Flame retardant compositions and methods for their preparation

Details Flame retardant compositions and methods for their preparation Flame retardant compositions and methods for their preparation

1976-03-05

1977-08-23

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252 81, 260 4575W, 260 4575D, 260869, 260897C, C08K 503, C08K 338, C08K 322

Patent

active

040440729

ABSTRACT:
Flame retardant polymer compositions comprise stannic oxide hydrate in combination with hydrated zinc borate and a halogen source which may be the polymer itself. The zinc borate comprises from 50 to 65%, by weight of the oxide-borate mixture. Polymers that incorporate these flame retarding compositions exhibit improved flame retardant characteristics together with effective color stability in the presence of heat.

REFERENCES:
patent: 3876549 (1975-04-01), Touval et al.
patent: 3907958 (1975-09-01), Tsujii et al.
patent: 3926883 (1975-12-01), Touval

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