Fire retardant polyester compositions

Details Fire retardant polyester compositions Fire retardant polyester compositions

C - Chemistry, Metallurgy

08

L

400/5743

C08L 67/02 (2006.01) C08J 3/20 (2006.01) C08K 3/22 (2006.01) C08K 5/00 (2006.01)

Patent

CA 1067239

ABSTRACT OF THE DISCLOSURE: A method for the production of thermoplastic polyester compositions comprising mixing a normally flammable thermoplastic polyester, preferably containing at least 80% by weight of repeating units of ethylene terephthalate, tetramethylene terephthalate or ethylene-1:2-diphenoxyethane-4,4'-dicarboxylate units, an effective amount of fire-retardant additives and an aqueous colloidal dispersion of PTFE, subjecting the mixture to conditions under which the polyester becomes molten and removing volatile materials from the melt.

248855

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