喷气涡流纺纱线热黏合增强工艺优化与机制

doi:10.13475/j.fzxb.20200400805

纺织学报 ›› 2020, Vol. 41 ›› Issue (11): 48-52.doi: 10.13475/j.fzxb.20200400805

喷气涡流纺纱线热黏合增强工艺优化与机制

陈玉香¹^,², 虞美雅¹, 董正梅³, 缪璐璐¹, 林燕燕¹, 邹专勇¹()

1.绍兴文理学院浙江省清洁染整技术研究重点实验室, 浙江绍兴 312000
2.浙江理工大学纺织科学与工程学院(国际丝绸学院), 浙江杭州 310018
3.喜临门家具股份有限公司, 浙江绍兴 312000

收稿日期:2020-04-03 修回日期:2020-08-19 出版日期:2020-11-15 发布日期:2020-11-26
通讯作者: 邹专勇
作者简介:陈玉香(1995—),女,硕士生。主要研究方向为喷气涡流纺纱线产品开发。
基金资助:
国家自然科学基金资助项目(51573095);国家级大学生创新创业训练计划项目(201910349028)

Enhanced process optimization and mechanism analysis of thermal adhesion for air jet vortex spun yarn

CHEN Yuxiang¹^,², YU Meiya¹, DONG Zhengmei³, MIAO Lulu¹, LIN Yanyan¹, ZOU Zhuanyong¹()

1. Key Laboratory of Clean Dyeing and Finishing Technology in Zhejiang Province, Shaoxing University, Shaoxing, Zhejiang 312000, China
2. College of Textile Science and Engineering (International Institute of Silk), Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China
3. Xilinmen Furniture Co., Ltd., Shaoxing, Zhejiang 312000, China

Received:2020-04-03 Revised:2020-08-19 Online:2020-11-15 Published:2020-11-26
Contact: ZOU Zhuanyong

摘要/Abstract

摘要：

为探究喷气涡流纺纱线强伸性能提高的有效途径,基于Box-Behnken Design响应面设计方法,研究热处理温度、热处理速度和牵伸倍数对粘胶/低熔点涤纶喷气涡流纱断裂强力及断裂伸长率的影响规律,确定最佳热处理工艺,分析热黏合增强喷气涡流纱的机制。结果表明:喷气涡流纱断裂强力受热处理温度、热处理速度、牵伸倍数、热处理速度二次项、热处理速度和牵伸倍数交互项显著影响;断裂伸长率受热处理温度、热处理速度和二者的交互项显著影响,牵伸倍数影响不显著;响应面优化获得的最佳热处理工艺为热处理温度193 ℃,热处理速度90 m/min,牵伸倍数1.00。优化后纱线断裂强力较原纱提高10.7%,断裂伸长率提高2.8%;低熔点涤纶纤维受热产生挤压变形、点状和团块状热黏合是实现喷气涡流纱热黏合增强的关键。

关键词: 喷气涡流纱, 强伸性能, 热黏合工艺, 响应面分析

Abstract:

In order to explore effective ways to improve the strength and elongation properties of air jet vortex spun yarn, the effect of the heat treatment temperature, heat treatment speed and draw ratio on the breaking strength and elongation of viscose / low melting point polyester air jet vortex spun yarn was studied based on the Box-Behnken Design response surface method. The optimal heat treatment process parameters were determined and the mechanism of thermal adhesion to reinforce the air jet vortex spun yarn was explored. The results show that the heat treatment temperature, heat treatment speed, draw ratio, the secondary term of heat treatment speed, heat treatment speed and draw ratio interaction terms have obvious influence on the yarn breaking strength. The elongation at break is significantly affected by the heat treatment temperature and heat treatment speed, while the influence of draw ratio is not obvious. The best parameter values of heat treatment process obtained through the optimization are heat treatment temperature 193 ℃, heat treatment speed 90 m/min, draw ratio 1.00. The yarn breaking strength is increased by 10.7% compared with the original yarn, and the elongation is increased by 2.8% after optimization. Furthermore, it is found that the heating deformation, point-like and agglomerated heat-bonding of low-melting polyester fibers are the key to achieve thermal bonding enhancement of air jet vortex spun yarn.

Key words: air jet vortex spinning, strength and elongation property, thermal adhesion process, response surface methodology

中图分类号:

TS131

陈玉香, 虞美雅, 董正梅, 缪璐璐, 林燕燕, 邹专勇. 喷气涡流纺纱线热黏合增强工艺优化与机制[J]. 纺织学报, 2020, 41(11): 48-52.

CHEN Yuxiang, YU Meiya, DONG Zhengmei, MIAO Lulu, LIN Yanyan, ZOU Zhuanyong. Enhanced process optimization and mechanism analysis of thermal adhesion for air jet vortex spun yarn[J]. Journal of Textile Research, 2020, 41(11): 48-52.

图/表 8

表1

表2

BBD响应面设计方案与试验结果"

运行序	$x 1$	$x 2$	$x 3$	断裂强力 Y₁/cN	断裂伸长率 Y₂/%
1	-1	-1	0	272.867 5	10.648
2	1	-1	0	274.894 7	9.470
3	-1	1	0	256.266 1	11.234
4	1	1	0	262.903 3	10.964
5	-1	0	-1	257.166 4	11.273
6	1	0	-1	267.234 8	10.716
7	-1	0	1	251.401 3	10.667
8	1	0	1	260.337 3	10.492
9	0	-1	-1	270.825 5	10.587
10	0	1	-1	264.601 9	11.209
11	0	-1	1	276.272 4	10.153
12	0	1	1	254.506 0	11.303
13	0	0	0	258.390 0	10.837
14	0	0	0	263.241 2	10.982
15	0	0	0	261.864 4	11.209

表2

表3

不同应变量的响应面二次模型回归分析"

方差来源	断裂强力Y₁		断裂伸长率Y₂
方差来源	F值	P值	F值	P值
$x 1$	18.16	0.002	16.82	0.003
$x 2$	75.96	0.000	52.51	0.000
$x 3$	7.11	0.026	4.84	0.059
$x 12$	—	—	5.50	0.047
$x 22$	31.76	0.000	4.32	0.071
$x 1 x 2$	—	—	5.84	0.042
$x 2 x 3$	11.46	0.008	—	—
回归模型	28.89	0.000	14.86	0.001
失拟项	0.80	0.657	1.01	0.576

表3

图1

图2

表4

表5

图3

参考文献 10

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类别	断裂强力Y₁/cN	断裂伸长率Y₂/%
范围	>250	>9
目标	274.9	11.3
权重	50	50

x₁/℃	x₂/ (m·min^-1)	x₃	断裂强力Y₁/cN		断裂伸长率Y₂/%
x₁/℃	x₂/ (m·min^-1)	x₃	预测	实测	预测	实测
0.818 2	1	-1	268.45	275.55	11.25	11.37

喷气涡流纺纱线热黏合增强工艺优化与机制

Enhanced process optimization and mechanism analysis of thermal adhesion for air jet vortex spun yarn

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水平	热处理温度 x₁/℃	热处理速度 x₂/(m·min^-1)	牵伸倍数 x₃
-1	120	10	1.00
0	160	50	1.06
1	200	90	1.12