Journal of Textile Research ›› 2020, Vol. 41 ›› Issue (04): 72-77.doi: 10.13475/j.fzxb.20190505406

• Dyeing and Finishing & Chemicals • Previous Articles     Next Articles

Influencing factors for fiber color measurement by spectrophotometer

ZHANG Ge1,2, ZHOU Jian1,2, WANG Lei1,2, PAN Ruru1,2, GAO Weidong1,2()   

  1. 1. Key Laboratory of Eco-Textiles (Jiangnan University), Ministry of Education, Wuxi, Jiangsu 214122, China
    2. School of Textiles and Clothing, Jiangnan University, Wuxi, Jiangsu 214122, China
  • Received:2019-05-22 Revised:2019-11-20 Online:2020-04-15 Published:2020-04-27
  • Contact: GAO Weidong E-mail:gaowd3@163.com

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Abstract:

In view of the lack of precision in directly measuring the color of colored fibers, the influence of different factors on the measurement results of the fiber sample preparation process was studied. An attempt was made to provide a standard color measurement method for fiber blending. The cotton fibers magenta, blue and yellow were selected and used as the experimental materials. The color parameters of the fibers changed with the variation of fiber thickness. The density of the fibers was related to the porosity and had an influence on the color measurement results. The fibers were arranged differently (vertical, horizontal, arbitrary) and the color measurement results were compared. The fibers are randomly arranged during the color measurement process, when the sample thickness increased to 0.8 cm or above, the color difference is less than 0.1 for the changes of thickness. The weight of the fibers in the self-made container is 10 g or heavier, the color difference is less than 0.2 for the changes of density.

Key words: colored fiber, cotton fiber, spectrophotometer method, color measurement, color difference

CLC Number: 

  • TS193.1

Fig.1

Three pre-colored cotton fibers"

Fig.2

Sketch (a) and physical (b) map of fiber color measuring container"

Fig.3

Sketch (a) and physical (b) map of fiber constant force device"

Fig.4

Fibers arrangement in three conditions. (a) Vertical arrangement; (b) Horizontal arrangement;(c) Random arrangement"

Tab.1

Colorimetric parameters of three colored cotton fibers at different thicknesses"

纤维厚度/
cm		 M B Y
L* a* b* L* a* b* L* a* b*
0.2 44.23 52.31 -4.82 56.62 -11.14 -31.05 77.34 14.80 60.04
0.4 44.45 52.14 -4.94 56.88 -11.10 -30.90 77.42 14.46 58.51
0.6 44.46 52.11 -4.94 56.85 -11.10 -30.90 77.50 14.61 58.45
0.8 44.47 52.09 -4.99 56.88 -11.10 -30.91 77.55 14.61 58.42
1.0 44.51 51.97 -4.99 56.87 -11.08 -30.91 77.55 14.60 58.38
1.2 44.56 51.91 -5.02 56.95 -11.09 -30.87 77.57 14.58 58.34

Fig.5

Color difference of three colored cotton fibers for thickness variation"

Tab.2

Colorimetric parameters of three colored cotton fibers at different densities"

纤维质
量/g		 M B Y
L* a* b* L* a* b* L* a* b*
3 43.15 52.99 -4.25 55.44 -11.37 -31.52 75.80 15.39 61.61
4 43.46 52.94 -4.31 55.56 -11.34 -31.56 75.98 15.21 61.05
5 43.54 52.96 -4.35 55.46 -11.31 -31.49 75.91 16.20 61.33
6 43.67 53.03 -4.39 55.90 -11.31 -31.22 75.71 15.96 60.76
7 43.73 53.11 -4.42 55.85 -11.31 -31.49 76.54 16.19 61.40
8 43.81 52.97 -4.62 56.00 -11.33 -31.43 76.38 16.75 61.12
9 43.92 52.90 -4.59 55.94 -11.11 -31.15 76.18 16.91 61.33
10 43.93 52.90 -4.56 56.41 -11.35 -31.16 76.33 16.17 60.86
11 44.05 52.85 -4.71 56.46 -11.34 -31.15 76.35 16.22 60.86
12 44.18 52.74 -4.76 56.59 -11.35 -31.08 76.40 16.20 60.65
13 44.31 52.54 -4.85 56.61 -11.29 -31.07 76.46 16.14 60.39

Fig.6

Color difference of three colored cotton fibers for different fiber density"

Tab.3

Colorimetric parameters of three colored cotton fibers of three arrangements"

排列方式 M B Y
L* a* b* L* a* b* L* a* b*
纵向平行 44.77 52.33 -5.24 57.61 -11.45 -30.90 76.72 16.08 60.48
横向平行 44.76 52.44 -5.16 57.49 -11.45 -30.99 76.74 16.11 60.54
任意排列 43.84 52.47 -4.77 55.97 -11.26 -31.50 76.89 14.85 60.95

Tab.4

Color difference between different arrangements"

纤维颜色 纵向-横向排列 纵向-任意排列 横向-任意排列
M 0.05 0.49 0.47
B 0.06 0.80 0.74
Y 0.02 0.85 0.86

Tab.5

Comparison of color differences among different method"

染料用量/
%(o.w.f)		 M B Y
DE00-1 DE00-2 DE00-3 DE00-1 DE00-2 DE00-3 DE00-1 DE00-2 DE00-3
0.05 0.35 1.32 0.97 0.52 1.39 0.74 0.45 0.99 0.95
0.10 0.60 1.24 0.85 0.76 1.26 0.79 0.92 1.10 0.81
0.20 0.80 1.27 0.82 1.22 1.36 0.76 1.04 1.12 0.84
0.30 1.19 1.12 0.88 1.44 1.48 0.63 1.20 1.04 0.89
0.45 1.31 1.34 0.81 1.96 1.60 0.89 1.71 1.12 0.84
1.00 2.14 1.36 1.02 3.18 1.68 1.40 2.35 1.27 0.97
1.60 4.19 1.48 1.85 6.19 1.24 2.88 3.89 1.58 1.59
2.00 5.30 1.37 2.82 6.68 1.32 3.11 4.11 1.73 1.72
2.50 4.98 1.17 2.25 7.35 1.25 3.57 4.48 1.81 1.95
4.00 6.02 1.27 2.84 8.04 1.51 4.11 4.87 1.78 2.11
5.00 6.51 1.69 3.14 8.01 1.66 4.06 5.30 2.03 2.44
8.00 7.17 1.59 3.56 7.94 1.79 4.26 5.74 2.19 2.73
平均值 3.38 1.35 1.82 4.44 1.46 2.27 3.01 1.48 1.49
最小值 0.35 1.12 0.81 0.52 1.24 0.63 0.45 0.99 0.81
最大值 7.17 1.69 3.56 8.04 1.79 4.26 5.74 2.19 2.73
方差 6.57 0.03 1.11 10.05 0.04 2.32 3.68 0.18 0.48
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