Journal of Textile Research ›› 2021, Vol. 42 ›› Issue (02): 156-160.doi: 10.13475/j.fzxb.20201007905

• Dyeing and Finishing & Chemicals • Previous Articles     Next Articles

Color prediction model of compound filament

WANG Yujuan1,2, WANG Jun1,2()   

  1. 1. College of Textiles, Donghua University, Shanghai 201620, China
    2. Key Laboratory of Textile Science & Technology, Ministry of Education, Donghua University, Shanghai 201620, China
  • Received:2020-10-29 Revised:2020-11-02 Online:2021-02-15 Published:2021-02-23
  • Contact: WANG Jun E-mail:junwang@dhu.edu.cn

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Abstract:

In order to facilitate the computer-aided pre-spinning design of original color-matching yarns, a color prediction model was proposed based on the transmittance, reflectance and arrangement of the monofilament from the perspective of light transmission between monofilaments. Red, green, yellow, and blue colored films instead of monofilament were used. The films of any two colors were cut into different sizes, and 12 multifilament samples were made by superimposing the colored films. The mixed color of the sample was tested with datacolor colorimeter, and the color difference between the mixed color tested by the colorimeter and predicted by the model was calculated. The factors causing the color difference were discussed through Pearson correlation analysis. The results show that the average predicted color difference is 0.43 CMC (2∶1) color difference unit. The saturation and hue angle of the multifilament has a significant impact on the predicted color difference, showing that the predicted color difference decreased with the increase of the saturation of the multifilament, and increases with the increase of the hue angle of the multifilament.

Key words: color mixing of fiber, reflectance prediction, chemical fiber filament, optical color mixing, computer-aided design

CLC Number: 

  • TS105

Fig.1

Simplified model of compound filament model"

Fig.2

Analysis of light propagation between two monofilaments (a) and many monofilaments (b)"

Fig.3

Test of reflectance"

Fig.4

Manufacturing method of simulated multifilament. (a) Monofilament layer A; (b) Monofilament layer B; (c) Monofilament layer C; (d) Monofilament layer D; (e) Multifilament"

Fig.5

Reflectance (a) and transmittance (b) of simulated monofilament"

Fig.6

Colorimetric values of simulated multifilament in CIE L*-h° plane(a) and CIE C*-h° plane(b)"

Fig.7

Relationship between chroma(a), hue(b) and color difference"

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