Flame-retardant recycled polyester copolymers

Details Flame-retardant recycled polyester copolymers Flame-retardant recycled polyester copolymers

C - Chemistry, Metallurgy

08

J

C08J 11/22 (2006.01) C08G 63/692 (2006.01) C08J 11/28 (2006.01)

Patent

CA 2183359

A flame-retardant linear polyester comprising the product of recycled polyethylene terephthalate, bis-hydroxy alkyl bibenzoate and a flame-retarding amount of a carboxy-phosphinic acid, a process for producing the polyester and products produced from the polyester are disclosed.

Un polyester linéaire ignifugé renferme le produit de la réaction d'un polyéthylène téréphtalate recyclé avec un bis-hydroxyalkyle bibenzoate et une quantité suffisante d'un acide carboxyphosphinique pour rendre la préparation ignifugée. L'invention concerne également un procédé pour fabriquer le polyester et les produits obtenus à partir de celui-ci.

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