Smoke and fire retardants for halogen-containing plastic composi

Details Smoke and fire retardants for halogen-containing plastic composi Smoke and fire retardants for halogen-containing plastic composi

1974-12-11

1976-12-07

Padgett, Benjamin R.

Compositions

Fire-extinguishing

Foam-stabilizant or colloid-stabilizant containing

106 15FP, 260 4575W, 260 25FP, 423279, 423306, 423331, 423518, 423593, 428921, C09K 328

Patent

active

039961427

ABSTRACT:
Magnesium oxide and a zinc salt are reacted with one another to form a magnesium zinc complex salt which is added to a halogen-containing plastic composition to serve as a smoke and/or fire retardant during combustion of the plastic. This magnesium-zinc complex salt is normally added along with an antimony compound but may be used alone if desired.

REFERENCES:
patent: 2610920 (1948-11-01), Hopkinson
patent: 3453225 (1969-07-01), Pollock
patent: 3546262 (1970-12-01), Rinse
patent: 3639319 (1972-02-01), Bergman
Bhatnagar: "Advances in Fire Retardants, Part 2" Technomic Publishing Co. (1973) p. 140.

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