Polyester fiber knitted or woven fabric

D - Textiles – Paper – 01 – F

Patent

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Details

D01F 6/62 (2006.01) C08G 63/85 (2006.01) C08G 63/87 (2006.01) D03D 1/00 (2006.01) D03D 15/00 (2006.01)

Patent

CA 2513056

A knitted/woven fabric of polyester fibers is produced from a polyester polymer obtained by condensation-polymerizing an aromatic dicarboxylate in the presence of a catalyst which comprises a mixture of a titanium compound ingredient (A) comprising a titanium alkoxide and at least one product of the reaction of the titanium alkoxide with a specific carboxylic acid or anhydride thereof and a specific phosphorus compound ingredient (B) and/or comprises a product of the reaction of a titanium compound ingredient (C) with a specific phosphorus compound ingredient (D). The knitted/woven fabric obtained has a satisfactory color tone (low value of b*) and is excellent in suitability for knitting/weaving and dyeability.

L'invention concerne un tissu tricoté/tissé de fibres de polyester, produit à partir d'un polymère de polyester obtenu par polymérisation par condensation d'un dicarboxylate aromatique en présence d'un catalyseur comprenant un mélange d'un composé de titane (A) contenant un alkoxyde de titane et au moins un produit de réaction de l'alkoxyde de titane avec un acide carboxylique spécifique ou anhydride de celui-ci, et un composé de phosphore spécifique (B), et/ou comprenant un produit de réaction d'un composé de titane (C) avec un composé de phosphore spécifique (D). Le tissu tricoté/tissé obtenu présente une tonalité de couleur satisfaisante (faible valeur de b*) et est parfaitement adapté pour le tricotage/tissage et la teinture.

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