依翡丝纤维及其织物性能研究

doi:10.3976/j.issn.1002-4026.2023.03.008

Abstract

Abstract:

The Exfresh fiber is a new type of modified acrylic fiber with fine denier and antibacterial properties; it is fabricated by adding an antibacterial agent to the spinning stock solution. The surface morphologies, mechanical properties, moisture absorption properties, specific resistance, friction properties, and curling properties of the Exfresh and ordinary acrylic fibers were tested and compared in this study. The elemental composition and chemical bonds of the two fibers were analyzed via X-ray photoelectron spectroscopy (XPS). Furthermore, the moisture-absorbing quick-drying and moisture-absorbing heat-generating properties of the Exfresh blended fabrics were tested. Results showed that the Exfresh fiber featured a circular cross-section, rough longitudinal surface and dense grooves as well as a low linear density, excellent mechanical properties, and high spinnability. Additionally, it has a lower specific resistance and higher friction coefficient than the ordinary acrylic fiber, thereby making it difficult to produce static electricity. Results of the XPS analysis showed that the added antibacterial agent was a quaternary ammonium salt. Additionally, the evaporation rate of an Exfresh fiber-blended fabric is bigger than 0.18 g/h, and its maximum moisture-absorbing heat-generating temperature rise is bigger than 4 ℃. Moreover, it exhibits excellent moisture-absorbing quick-drying and moisture-absorbing heat-generating properties, and can be used to develop multifunctional fabrics.

Key words: Exfresh fiber, performance testing, X-ray photoelectron spectroscopy analysis, moisture-absorbing quick-drying, moisture-absorbing heat-generating, antibacterial

CLC Number:

TS102.5

FENG Longlong, XIE Bingbing, ZHANG Ruiyun, LU Jian, YU Hao, WANG Yunhai. Properties of the Exfresh fiber and its fabrics[J].Shandong Science, 2023, 36(3): 60-68.

Figures/Tables 12

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References 21

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纤维种类	线密度/dtex	长度/mm	回潮率/%
依翡丝纤维	0.9	38	1.70
腈纶纤维	0.9	38	1.10

纤维种类	断裂强力/cN	断裂强度/(cN·dtex^-1)	断裂伸长率/%
依翡丝纤维	3.12	3.47	25.16
腈纶纤维	3.71	4.12	27.97

纤维种类	静摩擦力/cN	静摩擦系数	动摩擦力/cN	动摩擦系数
依翡丝纤维	75.7×10^-3	0.455 9	65.3×10^-3	0.338 5
腈纶纤维	70.3×10^-3	0.398 2	62.6×10^-3	0.317 4

纤维种类	电阻/Ω	体积比电阻/(Ω·cm)	质量比电阻/(Ω·g·cm^-2)
依翡丝纤维	2.2×10⁶	7.0×10⁶	8.3×10⁶
腈纶纤维	2.4×10⁷	7.7×10⁷	9.0×10⁷

纤维种类	每25 mm卷曲数	卷曲率/%	卷曲回复率/%
依翡丝纤维	9.09	9.21	10.71
腈纶纤维	13.57	8.75	10.58

Properties of the Exfresh fiber and its fabrics

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纤维种类	w(C)	w(N)	w(O)	w(S)	w(Na)
依翡丝纤维	76.18	10.47	12.69	0.66	0.00
腈纶纤维	82.65	1.94	13.91	0.78	0.72

织物编号	纱线原料	纱线线密度/tex	克重/(g·m^-2)	厚度/mm	织物组织
1	依翡丝/黏胶/腈纶(混纺比为40/30/30)	14.76	260	1.43	双罗纹
2	依翡丝/黏胶/腈纶(混纺比为20/60/20)	14.76	260	1.42	双罗纹

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[2]	XU Rui-dong, TIAN Ming-wei. Advances in research on disposable medical protective clothing [J]. Shandong Science, 2020, 33(3): 18-27.
[3]	WU Jia-Pei, BAI Jun-Jie, LI Zhi-Peng, ZHANG Dong-Shun, FAN Xu-Ri. Preparation and antibacterial activity of Fe₃O₄/Ag nanocomposites [J]. J4, 2012, 25(3): 62-65.

织物编号	吸水率/%	滴水扩散时间/s	芯吸高度/cm
1	416	42	9.17
2	426	50	6.45