Polypropylene terephthalate textured yarn and its method of...

Details Polypropylene terephthalate textured yarn and its method of... Polypropylene terephthalate textured yarn and its method of...

D - Textiles, Paper

02

G

D02G 1/02 (2006.01) D02J 1/22 (2006.01) D02J 13/00 (2006.01)

Patent

CA 2352267

The present invention offers polypropylene terephthalate textured yarn which has little dyeing unevenness or fibrillation, and is outstanding in its product quality, by carrying out texturing at the same time as drawing under specified conditions using polypropylene undrawn yarn; together with a method for the production thereof.

La présente invention concerne un procédé pour produire des fils retors en téréphtalate de polypropylène, qui se caractérise en ce qu'il consiste à utiliser des fils non allongés en téréphtalate de polypropylène et à mettre en oeuvre, simultanément et dans des conditions spécifiques, l'allongement et le retordage. Cette invention concerne également les fils retors en téréphtalate de polypropylène produits selon le dit procédé. Selon cette invention, l'irrégularité de coloration des fils retors en téréphtalate de polypropylène et la quantité de duvet sont réduites et les fils retors en téréphtalate de polypropylène sont d'excellente qualité.

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