喷气涡流纺工艺对粘胶/涤纶包芯纱性能的影响

doi:10.13475/j.fzxb.20220402507

Abstract

Abstract:

In order to obtain higher strength air-jet vortex spun yarns, the viscose/polyester core-spun yarn was produced on air-jet vortex spinner by adding a polyester filament in the yarn formation process. The effects of core filament linear density and the yarn delivery speed on the strength, elongation, unevenness and hairiness of air-jet vortex spun viscose/polyester core-spun yarn were studied by statistical analysis method. The structure and appearance of core-spun yarns under different spinning conditions was compared and analyzed. The results show that the core filament linear density and yarn delivery speed have different effects on the performance of air-jet vortex viscose/polyester core-spun yarn. In general, either too high or too low yarn delivery speed is not conducive to improving yarn strength-elongation performance and improving yarn evenness for core-spun yarns obtained, and the increase of yarn delivery speed will increase the hairiness H value. In a certain range, increasing the core filament linear density is beneficial to improve the strength and elongation of the core-spun yarn, and the hairiness H value of the core-spun yarn decreases with the increase of the core-filament linear density. In addition, when the larger core-filament linear density and higher yarn delivery speed are selected in air-jet vortex spinning, there is more obvious exposure for the core filament in viscose/polyester core-spun yarn.

Key words: air-jet vortex spinning, core-spun yarn, spinning process, yarn property

CLC Number:

TS101.2

ZOU Zhuanyong, MIAO Lulu, DONG Zhengmei, ZHENG Guoquan, FU Na. Effect of air-jet vortex spinning process on properties of viscose/polyester core-spun yarns[J].Journal of Textile Research, 2022, 43(08): 27-33.

Figures/Tables 12

Tab.1

Tab.2

Tab.3

Tab.4

Tab.5

Tab.6

Regression analysis (p value) of response surface cubic model for different response variables"

项目	断裂强度 Y₁	断裂伸长率Y₂	条干CV值 Y₃	毛羽H值 Y₄
常量	0.012^＊	0.128	0.099	0.265
X₁	0.020^＊	0.135	0.254	0.226
X₂	0.009^＊	0.104	0.108	0.518
$X 1 2$	0.230	0.345	0.962	0.028^＊
$X 2 2$	0.010^＊	0.110	0.107	0.285
X₁X₂	0.027^＊	0.162	0.244	0.240
$X 1 3$	0.001^＊	0.785	0.513	0.002^＊
$X 1 2$ X₂	0.018^＊	0.290	0.808	0.928
X₁ $X 2 2$	0.036^＊	0.185	0.235	0.193

Tab.6

Tab.7

Regression equation and R2 for different response variables"

纱线性能	回归方程	R²
断裂强度 Y₁	Y₁=–88.5+13.98X₁+0.517 3X₂+0.090 7 $X 1 2$ –0.000 656 $X 2 2$ –0.065 6X₁X₂–0.032 64 $X 1 3$ +0.000 654 $X 1 2$ X₂+0.000 077X₁ $X 2 2$	0.999 6
断裂伸长率 Y₂	Y₂=–86.3+16.03X₁+0.502X₂–0.172 $X 1 2$ –0.000 645 $X 2 2$ –0.076 3X₁X₂–0.001 73 $X 1 3$ +0.000 458 $X 1 2$ X₂+0.000 093X₁ $X 2 2$	0.991 9
条干 CV值 Y₃	Y₃=259–29.4X₁–1.309X₂+0.021 $X 1 2$ –0.001 727 $X 2 2$ +0.158X₁X₂–0.011 3 $X 1 3$ +0.000 251 $X 1 2$ X₂–0.000 213X₁ $X 2 2$	0.737 3
毛羽 H值 Y₄	Y₄=4.24–0.901X₁–0.012X₂+0.046 7 $X 1 2$ +0.000 028 $X 2 2$ +0.004 54X₁X₂–0.004 169 $X 1 3$ +0.000 003 $X 1 2$ X₂–0.000 007X₁ $X 2 2$	0.998 5

Tab.7

Fig.1

Fig.2

Fig.3

Fig.4

Fig.5

References 10

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编号	长丝种类	线密度/ tex	强力/ cN	断裂强度/ (cN·dtex^–1)	断裂伸长率/％
1	DTY	3.33	132	3.96	12.36
2	DTY	5.56	218	3.92	17.15
3	DTY	8.33	331	3.97	19.54

水平	芯丝线密度X₁/tex	纺纱速度X₂/(m·min^–1)
1	0	350
2	3.33	380
3	5.56	410
4	8.33	—

试样编号	芯丝线密度 X₁/tex	纺纱速度X₂/ (m·min^–1)	试样编号	芯丝线密度 X₁/tex	纺纱速度X₂/ (m·min^–1)
L1	0	350	L7	5.56	350
L2	0	380	L8	5.56	380
L3	0	410	L9	5.56	410
L4	3.33	350	L10	8.33	350
L5	3.33	380	L11	8.33	380
L6	3.33	410	L12	8.33	410

试样编号	集棉器颜色	总牵伸倍数	后牵伸倍数	主牵伸倍数	中区牵伸倍数
L1	白	184	3	30	2
L2	白	184	3	30	2
L3	白	184	3	30	2
L4	淡黄	219	3	30	2.4
L5	淡黄	219	3	30	2.4
L6	淡黄	219	3	30	2.4
L7	黄	243	3	30	2.7
L8	黄	243	3	30	2.7
L9	黄	243	3	30	2.7
L10	黄	283	3.5	35	2.3
L11	黄	283	3.5	35	2.3
L12	黄	283	3.5	35	2.3

试样编号	芯丝线密度 X₁/tex	纺纱速度 X₂/ (m·min^–1)	断裂强度 Y₁/ (cN·tex^–1)	断裂伸长率 Y₂/％	条干 CV值 Y₃/％	毛羽 H值 Y₄
L1	0	350	12.17	10.54	12.50	3.48
L2	0	380	13.26	11.50	10.43	3.73
L3	0	410	13.30	11.37	12.62	4.03
L4	3.33	350	15.87	12.99	12.02	3.35
L5	3.33	380	16.27	13.09	12.19	3.58
L6	3.33	410	15.86	12.53	12.17	3.81
L7	5.56	350	18.58	13.73	13.21	3.44
L8	5.56	380	18.88	13.97	12.12	3.60
L9	5.56	410	18.53	13.87	12.19	3.76
L10	8.33	350	18.86	14.89	12.18	3.15
L11	8.33	380	18.84	14.59	11.69	3.31
L12	8.33	410	18.98	14.62	11.80	3.41

Effect of air-jet vortex spinning process on properties of viscose/polyester core-spun yarns

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