Fire retardant thermoplastic polyester type block copolymer...

C - Chemistry – Metallurgy – 08 – L

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400/3017

C08L 7/02 (2006.01) C08K 3/22 (2006.01) C08K 5/00 (2006.01) C08K 5/04 (2006.01) C08K 5/36 (2006.01) C08L 67/02 (2006.01)

Patent

CA 1038096

FIRE RETARDANT THERMOPLASTIC POLYESTER TYPE BLOCK COPOLYMER COMPOSITION ABSTRACT OF THE DISCLOSURE A fire retardant thermoplastic polyester type block copolymer composition, which comprises (a) a thermoplastic polyester type block copolymer comprising a hard polyester segment having a high melting point and a soft polymer segment having a low melting point and a molecular weight of 400 to 6,000 and (b) at least one halogenated bisphenyl compound and an organic or inorganic antimony compound in a ratio of 1:0 to 1:3 by weight, and optionally one or more kinds of alkyl- phenol derivatives and/or an epoxy compound having 1 to 20% by weight of oxirane oxygen. It is useful for wire coating material, electrical parts, automobile parts, building compo- nents, or the like where excellent heat resistance and fire retardance is required.

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