Shrink-Proof Treatment Parameter Optimisation of Cashmere Yarn

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

Table 3

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
Σb_i1	2.473	2.068	1.571	1.725
(Σb_i1)′	0.329	0.265	0.231	0.229
Σb_i2	2.461	2.150	2.171	1.635
(Σb_i2)′	0.327	0.296	0.319	0.217
Σb_i3	1.434	1.967	1.608	1.954
(Σb_i3)′	0.191	0.262	0.236	0.260
Σb_i4	1.151	1.334	1.458	2.206
(Σb_i4)′	0.153	0.177	0.214	0.293

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

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DOI: https://doi.org/10.2478/ftee-2022-0023 | Journal eISSN: 2300-7354 | Journal ISSN: 1230-3666

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Language: English

Page range: 57 - 60

Published on: Sep 28, 2022

Published by: Łukasiewicz Research Network-Łódź Institute of Technology

In partnership with: Paradigm Publishing Services

Publication frequency: Volume open

Keywords:

cashmere yarn,

shrink-proof,

potassium permanganate treatment,

yarn shrinkage percentage

Related subjects:

Business and economics,

Business management,

Business informatics,

Process management,

Industrial chemistry,

Cellulose, paper and textiles,

Polymer science and technology,

Materials sciences,

Biomaterials and natural materials

© 2022 Long Li, Wei Wang, Xian Zhang, Lei Wu, Dan Yang, published by Łukasiewicz Research Network-Łódź Institute of Technology
This work is licensed under the Creative Commons Attribution 3.0 License.

Volume 30 (2022): Issue 3 (October 2022)

Shrink-Proof Treatment Parameter Optimisation of Cashmere Yarn

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