D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
D01F 6/62 (2006.01) D02G 1/02 (2006.01)
Patent
CA 2415737
A process of making a stretch fabric from polytrimethylene terephthalate which comprises (a) spinning a polytrimethylene terephthalate polymer into a yarn with elongation of 60 to 150 %, (b) draw-texturing the yarn in a false-twist draw-texturing machine at a draw ratio of 1.02 to 1.6, and a yarn temperature of 120 to 160 ~C, and (c) heat setting the draw-textured yarn at a yarn temperature of 70 to 130 ~C.
L'invention concerne un procédé de production d'un tissu étirable à partir de polytriméthylène téréphtalate consistant (a) à filer un polymère de polytriméthylène téréphtalate en un fil présentant une élongation de 60 à 150 %, (b) à étirer-texturer le fil dans une machine d'étirage-texturation à fausse torsion à un rapport d'étirage de 1,02 à 1,6, et une température de fil de 120 à 160 ·C, et (c) à thermodurcir le fil étiré-texturé à une température de fil de 70 à 130 ·C.
Chuah Hoe Hin
Moerman Marc Carlo
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Shell Internationale Research Maatschappij B.v.
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