CRIMPED YARN, TEXTILE FABRIC, AND PROCESS FOR PREPARING THE SAME

摘要

The present invention provides crimped yarns that comprise a conjugate multifilament yarn and make it possible to produce woven/knitted products having unique surface texture, dry touch, and stretchability; woven/knitted products comprising said crimped yarn; and production methods thereof.;Said crimped yarn is a conjugate multifilament yarn comprising polyester polymer components and meets the following equations:$\mathop{\mathrm{image}} \[ \begin{array}{c}\begin{array}{c}\begin{array}{}\text{(a)}\text{number of crimps (CA): 2.5 crests/cm ≤ CA ≤ 10 crests/cm,}\end{array}\\ \begin{array}{}\text{(b)}\text{number of developed crimps (CB): 8 crests /cm ≤ CB ≤ 30 crests /cm,}\end{array}\\ \begin{array}{}\text{(c)}\text{shrinkage stress (TS): 0.0882 ≤ TS (cN/dtex) ≤ 0.221,}\end{array}\\ \begin{array}{}\text{(d)}\text{apparent shrinkage percentage (SC): 40\% ≤ SC ≤ 80\%, and}\end{array}\\ \begin{array}{}\text{(e)}\text{shrinkage percentage of fiber in boiling water (SW): 2\% ≤ SW ≤ 8\%.}\end{array}\end{array}\end{array} \]$;Such a crimped yarn can be produced by subjecting a crimp-forming conjugate multifilament yarn to relaxation-heat treatment.