Biodegradable copolyester, molded article produced therefrom...

Details Biodegradable copolyester, molded article produced therefrom... Biodegradable copolyester, molded article produced therefrom...

C - Chemistry, Metallurgy

08

G

C08G 63/08 (2006.01) C08G 63/60 (2006.01) C08G 63/664 (2006.01) C08G 63/688 (2006.01) D01F 6/62 (2006.01) D01F 6/84 (2006.01) D01F 8/14 (2006.01)

Patent

CA 2148691

A biodegradable copolyester having an average molecular weight of at least 50,000 produced by copolymerizing a lactic acid component as the main component with PEG, an aliphatic polyester or a sulfo group-containing ester-forming compound, a molded article produced using it, such as a conjugate fiber, and a process for producing the molded article.

L'invention concerne un copolyester obtenu par copolymérisation d'un composé d'acide lactique utilisé comme ingrédient de base associé à du polyéthylèneglycol (PEG), un polyester aliphatique ou un dérivé d'acide sulfonique formant ester et ayant un poids moléculaire d'au moins 50 000. L'invention concerne également un moulage réalisé en employant cette substance, comme par exemple des fibres composites, et le procédé de réalisation dudit moulage.

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