Brominated biphenol derivatives

Details Brominated biphenol derivatives Brominated biphenol derivatives

1976-09-27

1979-10-09

Helfin, Bernard

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568643, 568730, 106 15FP, 252 81, 260 4595R, 260 775D, 26034849, 260465G, 260DIG24, 560141, 560 85, 260586R, 260590R, 260463, 260453AR, 260609R, 260503, 260505R, 260513R, 260553R, C07C 4322

Patent

active

041707117

ABSTRACT:
Monomeric and polymeric halogenated organic compounds derived from 2,2',6,6'-tetrabromo-3,3',5,5' -tetraalkyl-4,4'-biphenols are described. The derivatives are useful in their monomeric and polymeric form as flame retardant additives and/or concentrates for normally flammable resinous materials. The thermal stability at elevated temperatures of the brominated biphenol derivatives advantageously benefits polymeric compositions containing the brominated biphenol derivatives especially when the polymeric compositions are molded into three dimensional articles, or formed into films, sheeting or shaped into fibers, laminates or reinforced plastics by conventional techniques.

REFERENCES:
patent: 3306875 (1967-02-01), Hay
patent: 3330781 (1967-07-01), Gemeinhardt
patent: 3544637 (1970-12-01), Kober et al.
patent: 3929908 (1975-12-01), Orlando et al.

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