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Figure 9. SEM image of raw banana fiber, pretreated banana fiber, and dyed fiber.

Figure 9 SEM image of raw banana fiber, pretreated banana fiber, and dyed fiber.

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Figure 2. Reactive blue 19. Figure |. Reactive red 250.
Figure 2. Reactive blue 19. Figure |. Reactive red 250.
Figure 3. Reactive yellow 86.
Figure 3. Reactive yellow 86.
Reagents and bath conditions MLR: material to liquor ratio.
Reagents and bath conditions MLR: material to liquor ratio.
Figure 4. Raw banana fiber.
Figure 4. Raw banana fiber.
Figure 5. Pretreated banana fiber.
Figure 5. Pretreated banana fiber.
Figure 6. Fiber linear density (tex) of raw banana fiber, pretreated banana fiber, and dyed fiber.
Figure 6. Fiber linear density (tex) of raw banana fiber, pretreated banana fiber, and dyed fiber.
Figure 7. Single-fiber strength (gf) of raw banana fiber, pretreated banana fiber, and dyed fiber.
Figure 7. Single-fiber strength (gf) of raw banana fiber, pretreated banana fiber, and dyed fiber.
Figure 8. Moisture content (%) of raw banana fiber, pretreated banana fiber, and dyed fiber.
Figure 8. Moisture content (%) of raw banana fiber, pretreated banana fiber, and dyed fiber.
Figure 10. FTIR spectroscopy graph of raw banana fiber and pretreated banana fiber.
Figure 10. FTIR spectroscopy graph of raw banana fiber and pretreated banana fiber.
Table |. Fiber linear density and fiber strength of treated banana fibers.
Table |. Fiber linear density and fiber strength of treated banana fibers.
Table 2. Colorimetric coordinates of raw banana fiber and pretreated banana fiber samples used in the experiment. L*: the lightness; a*: green/red; b*: blue/yellow; C*: chroma; h*: hue angle.
Table 2. Colorimetric coordinates of raw banana fiber and pretreated banana fiber samples used in the experiment. L*: the lightness; a*: green/red; b*: blue/yellow; C*: chroma; h*: hue angle.
Figure I |. FTIR spectroscopy graph of dyed banana fiber.
Figure I |. FTIR spectroscopy graph of dyed banana fiber.
Table 3. AE color value of pretreated banana fiber sample. of pretreated fiber observed a higher value than raw banana in the experiment. Pretreated banana fiber (Figure 12) shows that the value has significantly increased from the untreated fiber sample due to absorption and scattering, which was found based on reflectance.
Table 3. AE color value of pretreated banana fiber sample. of pretreated fiber observed a higher value than raw banana in the experiment. Pretreated banana fiber (Figure 12) shows that the value has significantly increased from the untreated fiber sample due to absorption and scattering, which was found based on reflectance.
Figure 12. Reflectance curves of pretreated banana fiber.
Figure 12. Reflectance curves of pretreated banana fiber.
Table 4. Colorimetric coordinates of banana fiber samples.
Table 4. Colorimetric coordinates of banana fiber samples.
Figure 13. Dyed banana fiber samples. L*: the lightness; a*: green/red; b*: blue/yellow; C*: chroma; h*: hue angle.
Figure 13. Dyed banana fiber samples. L*: the lightness; a*: green/red; b*: blue/yellow; C*: chroma; h*: hue angle.
Figure 14. Reflectance curves of dyed banana and cotton fiber (red color).
Figure 14. Reflectance curves of dyed banana and cotton fiber (red color).
Figure 15. Reflectance curves of dyed banana and cotton fiber (blue color).
Figure 15. Reflectance curves of dyed banana and cotton fiber (blue color).
Table 5. CIE L*a*b* color difference AE values for banana fiber and cotton fiber. CIE: International Commission on Illumination; L*: the lightness; a*: green/red; b*: blue/yellow.
Table 5. CIE L*a*b* color difference AE values for banana fiber and cotton fiber. CIE: International Commission on Illumination; L*: the lightness; a*: green/red; b*: blue/yellow.
Table 6. Test results of color fastness to washing for banana dyed fibers.
Table 6. Test results of color fastness to washing for banana dyed fibers.
Figure 16. Reflectance curves of dyed banana and cotton fiber (yellow color).
Figure 16. Reflectance curves of dyed banana and cotton fiber (yellow color).
Table 6. (Continued)
Table 6. (Continued)
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