Flame retardant compositions

Details Flame retardant compositions Flame retardant compositions

1975-09-16

1977-05-03

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

252 81, 260 457P, 260 457R, 260863, 260865, 260880R, C08K 322, C08K 502, C08K 552

Patent

active

040214060

ABSTRACT:
The resistance to both flaming and glowing combustion exhibited by polymer compositions wherein the flame retarding agent is comprised at least in part of a halogen-containing organic compound in combination with an antimony oxide is significantly increased by including specified halogenated phosphates, thiophosphates or thiophosphoryl chlorides as part of the flame retarding agent. The presence of sulfur in the composition reduces the total amount of flame retarding agent required to achieve an SE-0 rating in the UL 94 vertical position burning test.

REFERENCES:
patent: 3158588 (1964-11-01), Johnson
patent: 3266918 (1966-08-01), Schappel et al.
patent: 3347822 (1967-10-01), Jenkner
patent: 3392136 (1968-07-01), Hindersinn et al.
patent: 3557053 (1971-01-01), Miller
patent: 3576780 (1971-04-01), Jackson, Jr.
patent: 3845012 (1974-10-01), Bernardo
patent: 3883471 (1975-05-01), Stackman et al.
patent: 3920459 (1975-11-01), Allen
Hilado, "Flammability Handbook for Plastics", 1969, pp. 82-86.

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