Poly(trimethylene terephthalate) fibers, their manufacture...

Details Poly(trimethylene terephthalate) fibers, their manufacture... Poly(trimethylene terephthalate) fibers, their manufacture...

Category

D - Textiles, Paper

Subcategory

01

Subsubcategory

F

IPC codes

D01F 6/62 (2006.01) C08L 31/08 (2006.01) C08L 67/02 (2006.01) D01D 5/00 (2006.01) D02G 3/44 (2006.01) B29C 47/30 (2006.01)

Type

Patent

Patent number

CA 2488033

Description

A process for preparing poly(trimethylene terephthalate) fibers comprising (a) providing a poly(trimethylene terephthalate) composition comprising about 0.05 to about 5 mole % tetramethylene terephthalate repeat units and (b) spinning the polymer composition to form fibers. Poly(trimethylene terephthalate) fiber comprising poly(trimethylene terephthalate) composition comprising about 0.05 to about 5 mole % tetramethylene terephthalate repeat units, as well as yarns, fabrics (e.g., woven, knitted, and nonwoven fabrics) and carpets. A poly(trimethylene terephthalate) composition comprising about 0.05 to about 5 mole % tetramethylene terephthalate repeat units.

L'invention concerne un procédé de préparation de fibres de poly(triméthylène téréphtalate). Ledit procédé consiste (a) à fournir une composition de poly(triméthylène téréphtalate) contenant entre environ 0,05 et environ 5 mole % d'unités récurrentes de poly(triméthylène téréphtalate), et (b) à filer la composition polymérique pour former des fibres. L'invention concerne également une fibre de poly(triméthylène téréphtalate) renfermant une composition de poly(triméthylène téréphtalate) contenant entre environ 0,05 et environ 5 mole % d'unités récurrentes de poly(triméthylène téréphtalate), ainsi que des fils, des étoffes (par ex., tissés, tricotés et non tissés) et des tapis. L'invention se rapporte enfin à un composition de poly(triméthylène téréphtalate) contenant entre environ 0,05 et environ 5 mole % d'unités récurrentes de poly(triméthylène téréphtalate).

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