Open Access

Shrink-Proof Treatment Parameter Optimisation of Cashmere Yarn

Long Li
Long Li
, 
Wei Wang
Wei Wang
, 
Xian Zhang
Xian Zhang
, 
Lei Wu
Lei Wu
 and 
Dan Yang
Dan Yang
   | Sep 28, 2022
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Article Category: Research Article
Published Online: Sep 28, 2022
Page range: 57 - 60
DOI: https://doi.org/10.2478/ftee-2022-0023
Keywords
© 2022 Long Li, et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 3.0 Public License.

Fig. 1

Scale morphology (SEM) of cashmere fibers from yarns: a) untreated yarn, b) treated yarn
Scale morphology (SEM) of cashmere fibers from yarns: a) untreated yarn, b) treated yarn

Orthogonal design parameter for NaCl- KMnO4 treatment

Level Temperature °C Time min KMnO4 content % Auxiliary content %
1 30 10 1 1
2 40 20 2 2
3 50 30 3 3
4 60 40 4 4

Subordination degree and comprehensive evaluation value

No. Temp. °C Time min KMnO4 content% Auxiliary content % YFP % Strength cN Elongation % YER % Comprehensive evaluation value
1 30 10 1 1 0.000 1.000 1.000 1.000 0.685
2 30 20 2 2 0.364 0.882 0.828 0.777 0.680
3 30 30 3 3 0.542 0.622 0.740 0.713 0.648
4 30 40 4 4 0.643 0.362 0.338 0.426 0.461
5 40 10 2 3 0.935 0.724 0.750 0.564 0.756
6 40 20 1 4 0.774 0.992 0.996 0.979 0.921
7 40 30 4 1 0.863 0.252 0.269 0.362 0.476
8 40 40 3 2 0.924 0.000 0.003 0.064 0.308
9 50 10 3 4 1.000 0.504 0.616 0.628 0.402
10 50 20 4 3 0.875 0.071 0.032 0.000 0.297
11 50 30 1 2 0.548 0.370 0.306 0.415 0.423
12 50 40 2 1 0.818 0.095 0.052 0.096 0.313
13 60 10 4 2 0.691 0.008 0.000 0.021 0.225
14 60 20 3 1 0.664 0.095 0.036 0.075 0.252
15 60 30 2 4 0.480 0.409 0.327 0.447 0.422
16 60 40 1 3 0.558 0.158 0.058 0.128 0.253
Σbi1 2.473 2.068 1.571 1.725
(Σbi1)′ 0.329 0.265 0.231 0.229
Σbi2 2.461 2.150 2.171 1.635
(Σbi2)′ 0.327 0.296 0.319 0.217
Σbi3 1.434 1.967 1.608 1.954
(Σbi3)′ 0.191 0.262 0.236 0.260
Σbi4 1.151 1.334 1.458 2.206
(Σbi4)′ 0.153 0.177 0.214 0.293

Results of NaCl-KMnO4 treatment

No. Temp. °C Time min KMnO4 content % Auxiliary content % YFP % Strength cN Elongation % YER %
1 30 10 1 1 1.25 146.3 44.68 4.36
2 30 20 2 2 0.97 144.8 43.49 4.15
3 30 30 3 3 0.84 141.5 42.88 4.09
4 30 40 4 4 0.76 138.2 40.01 3.82
5 40 10 2 3 0.54 142.8 42.95 3.95
6 40 20 1 4 0.66 146.2 44.65 4.34
7 40 30 4 1 0.59 136.8 39.62 3.76
8 40 40 3 2 0.54 133.6 37.78 3.48
9 50 10 3 4 0.49 140.0 42.02 4.01
10 50 20 4 3 0.58 134.5 37.98 3.47
11 50 30 1 2 0.83 138.3 39.88 3.81
12 50 40 2 1 0.63 134.8 38.12 3.51
13 60 10 4 2 0.72 133.7 37.76 3.40
14 60 20 3 1 0.74 134.8 38.01 3.49
15 60 30 2 4 0.88 138.2 40.02 3.84
16 60 40 1 3 0.82 135.6 38.16 3.54
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