Flame retardant polyethylene terephthalate

Details Flame retardant polyethylene terephthalate Flame retardant polyethylene terephthalate

C - Chemistry, Metallurgy

08

L

400/4506, 400/57

C08L 67/02 (2006.01) C08J 3/22 (2006.01) C08K 3/00 (2006.01) C08K 3/22 (2006.01) C08K 5/00 (2006.01) C08K 5/098 (2006.01) C08K 13/02 (2006.01)

Patent

CA 1276340

TITLE FLAME RETARDANT POLYETHYLENE TEREPHTHALATE ABSTRACT OF THE DISCLOSURE If antimony oxide is added to a blend of polyethylene terephthalate/alkali metal organic carboxylate in the form of a concentrate in a polyamide, the destabilizing effect of the antimony oxide on the blend is minimized. This greatly improves the thermal stability of the polyethylene terephthalate blend during compounding and subsequent melt processing operation, as compared with similar compositions where the antimony oxide is added in the form of a concentrate with another organic polymer, viz., polyethylene, or is added neat.

549977

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