低折射率树脂对原液着色粘胶纤维结构和性能的影响

doi:10.13475/j.fzxb.20190802106

纺织学报 ›› 2020, Vol. 41 ›› Issue (07): 9-14.doi: 10.13475/j.fzxb.20190802106

低折射率树脂对原液着色粘胶纤维结构和性能的影响

刘稀¹^,², 王冬¹^,², 张丽平¹^,², 李敏¹^,², 付少海¹^,²()

1.江苏省纺织品数字喷墨印花工程技术研究中心, 江苏无锡 214122
2.生态纺织教育部重点实验室(江南大学), 江苏无锡 214122

收稿日期:2019-08-08 修回日期:2020-04-13 出版日期:2020-07-15 发布日期:2020-07-23
通讯作者: 付少海
作者简介:刘稀(1995—),男,硕士生。主要研究方向为纤维素原液着色。
基金资助:
江苏省自然科学基金项目(BK20160165);江南大学基本科研计划面上培育项目(JUSRP21933)

Effect of low refractive resin on structure and properties of spun-dyed viscose fibers

LIU Xi¹^,², WANG Dong¹^,², ZHANG Liping¹^,², LI Min¹^,², FU Shaohai¹^,²()

1. Jiangsu Engineering Research Center for Digital Textile Inkjet Printing, Wuxi, Jiangsu 214122, China
2. Key Laboratory of Eco-Textiles(Jiangnan University), Ministry of Education, Wuxi, Jiangsu 214122, China

Received:2019-08-08 Revised:2020-04-13 Online:2020-07-15 Published:2020-07-23
Contact: FU Shaohai

摘要/Abstract

摘要：

针对原液着色粘胶纤维颜色较浅的问题,采用低折射率树脂增深整理粘胶纤维,探讨了树脂种类、树脂用量、轧余率、焙烘时间和焙烘温度对纤维颜色明暗度(L值)、断裂强力和断裂伸长率的影响,借助红外光谱仪、X射线衍射仪、X射线光电子能谱仪、扫描电子显微镜等研究了树脂整理后原液着色粘胶纤维的化学结构、表面元素组成及官能团、结晶性能和表面形貌的变化。结果表明:增深剂质量浓度为80 g/L,轧余率为90%,焙烘温度为150 ℃,焙烘时间为180 s时,原液着色粘胶纤维的L值降低到11.84,断裂强力和断裂伸长率保持率分别为70.62%和70.11%;粘胶纤维的结晶度降低,但纤维表面更加光滑,含硅官能团含量增加。

关键词: 原液着色粘胶纤维, 低折射率树脂, 增深整理, 力学性能

Abstract:

To solve the problem of the pale color, spun-dyed viscose fiber was treated to improve the color depth using low refractive resin. This research investigated the effects of resin type, dosage of resin, rolling ratio, baking time and baking temperature on color brightness (L value), breaking strength and elongation at break of spun-dyed viscose fiber. In addition analytical instruments such as infrared spectroscopy, X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy were employed to study varieties of the chemical structures, surface element composition, crystallization performance, surface topography of spun-dyed viscose fibers after resin finishing. The results show that when the dosage of fabric deepening agent, rolling ratio, baking temperature and baking time are set to 80 g/L, 90%, 150 ℃, and 180 s respectively, the L value of the spun-dyed viscose fiber is reduced to 11.84, and the retention rate of breaking strength and elongation at break are 70.62% and 70.11% respectively. After the resin treatment, crystallinity of the spun-dyed viscose fiber decreases and fiber surface becomes smoother, whereas silicon functional groups on fiber surface are increased.

Key words: spun-dyed viscose fiber, low refractive resin, deep finishing, mechanical property

中图分类号:

TS195.6

刘稀, 王冬, 张丽平, 李敏, 付少海. 低折射率树脂对原液着色粘胶纤维结构和性能的影响[J]. 纺织学报, 2020, 41(07): 9-14.

LIU Xi, WANG Dong, ZHANG Liping, LI Min, FU Shaohai. Effect of low refractive resin on structure and properties of spun-dyed viscose fibers[J]. Journal of Textile Research, 2020, 41(07): 9-14.

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树脂名称	L值	断裂强力/cN	断裂伸长率/%
未整理	13.18	3.71	18.40
光亮剂SES-35	13.00	3.07	17.70
光亮剂SFS-36	13.02	3.11	18.20
增深剂S-24	13.09	3.03	17.60
增深增艳剂	13.01	3.01	17.40
织物增深剂EC-CD-R	12.95	3.08	17.40

EC-CD-R质量浓度/(g·L^-1)	L值	断裂强力/cN	断裂伸长率/%
50	13.06	3.13	18.80
60	12.95	3.08	18.40
70	12.78	2.99	17.10
80	12.53	2.93	16.60
90	12.53	2.82	15.80
100	12.51	2.70	14.90

轧余率/%	L值	断裂强力/cN	断裂伸长率/%
60	12.60	3.02	17.80
70	12.57	3.00	16.80
80	12.51	2.93	16.60
90	12.42	2.91	16.00
100	12.42	2.79	14.20

焙烘时间/s	L值	断裂强力/cN	断裂伸长率/%
120	12.42	2.91	16.00
150	12.31	2.86	15.60
180	12.19	2.82	14.80
210	12.19	2.75	14.40
240	12.15	2.52	13.20

焙烘温度/℃	L值	断裂强力/cN	断裂伸长率/%
120	12.19	2.82	14.80
130	12.14	2.79	14.20
140	12.05	2.75	13.40
150	11.84	2.62	13.10
160	11.82	2.56	12.60

低折射率树脂对原液着色粘胶纤维结构和性能的影响

Effect of low refractive resin on structure and properties of spun-dyed viscose fibers

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