Nylon Composite Fiber and Fabric Thereof
a composite fiber and fabric technology, applied in the field of composite fibers and fabric thereof, can solve the problems of the structure of the existing dual-component fiber, and achieve the effects of better crimp contraction of protofilament, better crystallinity, and better elongation-recovery ra
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embodiment 1
of Nylon Side-by-Side Composite Fibers
[0017]In this embodiment, various nylon side-by-side composite fibers were obtained by melt spinning.
[0018]In examples 1-3, the long chain polyamide was nylon 6.10, and the polyether modified polyamide was copolymerized by caprolactam, polyethyleneoxy diamine, and adipic acid. The added amount and the average molecular weight of the polyethyleneoxy diamine were 8 wt %, and 2000, respectively. The weight ratios of the long chain polyamide to the polyether modified polyamide for examples 1-3 were 60: 40, 50: 50, and 40: 60, respectively.
[0019]In examples 4-6, the long chain polyamide was nylon 6.10, and the polyether modified polyamide was copolymerized by caprolactam, polybutyleneoxy diamine, and adipic acid. The added amount and the average molecular weight of the polyethyleneoxy diamine were 0.82 wt %, and 1000, respectively. The weight ratios of the long chain polyamide to the polyether modified polyamide for examples 4-6 were 60: 40, 50: 50, ...
embodiment 2
f the Nylon Composite Fibers
[0022]The weight ratios of the long chain polyamide to the polyether modified polyamide (examples 1-3 and 4-6) were respectively varied to test various properties of the obtained nylon side-by-side composite fibers.
[0023]First, crimp contraction of a protofilament was measured for the obtained nylon side-by-side composite fibers, and the measured results of the obtained nylon side-by-side composite fibers are listed in Table 2. The crimp contraction test was performed by the method described below. The length of a tested fiber loaded with a weight of 0.22 g / denier (i.e. 2 g / tex) for 10 seconds was measured to be L1. Then, the tested fiber was unloaded and kept at 160° C. for 30 minutes. Next, the length of the tested fiber loaded with a weight of 0.011 g / denier (i.e. 0.1 g / tex) for 10 minutes was measured to be L2. Accordingly, the crimp contraction (CC) is calculated by the formula (1) below.
CC(%)=(L1−L2) / L1×100% (1)
[0024]Moreover, the fiber strength o...
embodiment 3
f Nylon Fabrics Containing the Nylon Composite Fibers
[0028]In examples 4-6 and comparative examples 1-3, the above obtained nylon side-by-side composite fibers were woven to form a nylon fabric. The warps were 70d / 24f DTY, and the wefts were side-by-side 70d / 24f SDY. In examples 4-6 and comparative examples 1-3, garters woven from the nylon side-by-side composite fibers above were used. In the garters, the warp density is 92 warp / inch, and the weft density is 80 weft / inch.
[0029]Elongation-recovery rates and wear resistance were measured, and the results are listed in Table 3 below.
TABLE 3Elongation-recovery rate and wear resistance of nylon fabricsmade from nylon side-by-side composite fibersElongation-Recovery RateWear ResistanceSample( % )*(Circles)**Example 492137Example 595130Example 694122Comparative Example 182128Comparative Example 27398Comparative Example 378118*Measured by following the method of CNS 8039 L3139-1981 5.2 A.**Measured by following the method of ASTM3884 H-22 ...
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