Fire retardant polyester resins

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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260 75H, 260DIG24, C08L 6706

Patent

active

039377563

ABSTRACT:
A polymerizable fire retardant unsaturated polyester resin composition is prepared by reacting a dicarboxylic acid with a polyhydric compound and an effective amount of 4,5-dibromohexahydrophthalic anhydride or its corresponding acid. The resulting unsaturated polyester resin composition when mixed with a polymerizable monomer containing terminal unsaturation and cured exhibits improved flame resistance at low bromine concentrations.

REFERENCES:
patent: 3697625 (1972-10-01), Smith et al.

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