Flame retarded polyester resin composition

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 69/00 (2006.01) C08L 67/00 (2006.01) C08L 67/02 (2006.01) C08L 71/00 (2006.01)

Patent

CA 2084818

- 23 - The flame retarded polyester resin composition of this invention comprises (A) 10-90% by weight of a polycarbonate, (B) 10-90% by weight of a thermoplastic polyester, 0-40% by weight of an impact modifier, and based on 100 parts by weight of (A) , (B) and (C) combined, (D) 1 to 50 parts by weight of a certain halogenated phenoxy resin and (E) 0-30 parts by weight of an antimony compound. The resin composition of the invention is satisfactory in moldability and provides flame-retarded moldings having very satisfactory impact resistance, heat distortion resistance, flexural modulus, weather resistance and chemical resistance.

- 23 - La composition de résine de polyester ininflammable décrite dans l'invention comprend : A) 10 à 90 % en poids de polycarbonate, B) 10 à 90 % en poids de polyester thermoplastique, 0 à 40 % en poids de modificateur d'impact. La composition comprend 100 parties en poids de A), B), et C) combinés, D) 1 à 50 parties en poids d'une certaine résine phenoxy halogénée et E) 0 à 30 parties en poids d'un composé d'antimoine. La composition de résine décrite dans l'invention affiche des qualités de moulage satisfaisantes et donne des moules ininflammables présentant des particularités très satisfaisantes quant à la résistance aux impacts, à la déformation à la chaleur, à l'élasticité en flexion, à la résistance aux intempéries et aux produits chimiques.

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