Smoke-retardant for chlorinated polyethylene and vinyl chloride

Details Smoke-retardant for chlorinated polyethylene and vinyl chloride Smoke-retardant for chlorinated polyethylene and vinyl chloride

1975-03-24

1976-10-12

Hoke, V.P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4247, 260 4249, 260 457R, C08J 320

Patent

active

039857069

ABSTRACT:
The invention relates to additives for chlorine-containing polymer compositions.
Much has been published on flame retardants, to prevent or limit combustion of products made from such polymers, although the visible smoke is considered highly detrimental, particularly with respect to ability of persons to find an exit in a burning structure or the ability of firemen to see and extinguish a fire. The process relates to the use of a synergistic combination of aluminum oxide trihydrate and zinc borate for reducing or eliminating smoke from the combustion of chlorine-containing polymer which may be any polyvinyl chloride or any chlorinated polyethylene or polypropylene, etc.

REFERENCES:
patent: 3524761 (1970-08-01), Humphrey
patent: 3869420 (1975-03-01), Mathis et al.
Fire and Flammability Series - vol. 7 - Flammability of Solid Plastics (1974), pp. 251-275.

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