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Comparison of Colour Properties of Polypropylene and Poly-(Lactic) Acid Fibres Dyed With Photoluminescent Dye

Anna Ujhelyiová

Anna Ujhelyiová

Institute of Natural and Synthetic Polymers, Faculty of Chemical and Food Technology, Slovak University of Technology in BratislavaBratislava, Slovakia
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Ujhelyiová, Anna
, 
Viera Jančovičová

Viera Jančovičová

Institute of Natural and Synthetic Polymers, Faculty of Chemical and Food Technology, Slovak University of Technology in BratislavaBratislava, Slovakia
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Jančovičová, Viera
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Ondrej Panák

Ondrej Panák

  • University of Pardubice, Faculty of Chemical TechnologyPardubice, Czech Republic
  • MyCol d.o.o.Ljubljana, Slovenia
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Panák, Ondrej
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Veronika Hrabovská

Veronika Hrabovská

Institute of Natural and Synthetic Polymers, Faculty of Chemical and Food Technology, Slovak University of Technology in BratislavaBratislava, Slovakia
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Hrabovská, Veronika
 und 
Zita Tomčíková

Zita Tomčíková

Institute of Man-Made FibresSvit, Slovakia
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Tomčíková, Zita
  
22. Dez. 2022
Comparison of Colour Properties of Polypropylene and Poly-(Lactic) Acid Fibres Dyed With Photoluminescent Dye's Cover Image
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Artikel-Kategorie: Research Article
Online veröffentlicht: 22. Dez. 2022
Seitenbereich: 17 - 27
DOI: https://doi.org/10.2478/ftee-2022-0040
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© 2022 Anna Ujhelyiová et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1

Dependences of fibre sound speed on the concentration of CF and HNTCF in the PP (a) and PLA (b) fibres dyed in mass
Dependences of fibre sound speed on the concentration of CF and HNTCF in the PP (a) and PLA (b) fibres dyed in mass

Fig. 2

Dependences of fibre birefringence on the concentration of CF and HNTCF in the PP (a) and PLA (b) fibres dyed in mass
Dependences of fibre birefringence on the concentration of CF and HNTCF in the PP (a) and PLA (b) fibres dyed in mass

Fig. 3

Dependences of tenacity at break s on the dye concentration of CF and HNTCF in PP (a) and PLA (b) fibres dyed in mass
Dependences of tenacity at break s on the dye concentration of CF and HNTCF in PP (a) and PLA (b) fibres dyed in mass

Fig. 4

Dependences of Young’s modulus EY on the dye concentration of CF and HNTCF in PP (a) and PLA (b) fibres dyed in mass
Dependences of Young’s modulus EY on the dye concentration of CF and HNTCF in PP (a) and PLA (b) fibres dyed in mass

Fig. 5

Dependences of elongation at break e on the dye concentration of CF and HNTCF in PP (a) and PLA (b) fibres dyed in mass
Dependences of elongation at break e on the dye concentration of CF and HNTCF in PP (a) and PLA (b) fibres dyed in mass

Fig. 6

Samples under visible (outdoor fields) and UV light (indoor fields)
Samples under visible (outdoor fields) and UV light (indoor fields)

Fig. 7

Reflexion spectra of PP (a) and PLA (b) knitted fabrics without dye (not aged – black line, aged 72 h in the Q-sun chamber – gray line), with CF (not aged – blue line, aged 72 h in the Q-sun chamber – green line) and with CF and HNT (not aged – red line, aged 72 h in the Q-sun chamber – orange line)
Reflexion spectra of PP (a) and PLA (b) knitted fabrics without dye (not aged – black line, aged 72 h in the Q-sun chamber – gray line), with CF (not aged – blue line, aged 72 h in the Q-sun chamber – green line) and with CF and HNT (not aged – red line, aged 72 h in the Q-sun chamber – orange line)

Fig. 8

Emission (full lines) and excitation (dashed lines) spectra of PP (a) and PLA (b) knitted fabrics with CF (not aged – blue line, aged 72 h in the Q-sun chamber – green line) and with CF and HNT (not aged – red line, aged 72 h in the Q-sun chamber – orange line)
Emission (full lines) and excitation (dashed lines) spectra of PP (a) and PLA (b) knitted fabrics with CF (not aged – blue line, aged 72 h in the Q-sun chamber – green line) and with CF and HNT (not aged – red line, aged 72 h in the Q-sun chamber – orange line)

Fig. S1

Normalised FTIR spectra of PP (black line), PP modified by CF (blue line) and PP modified with HNTCF (red line)
Normalised FTIR spectra of PP (black line), PP modified by CF (blue line) and PP modified with HNTCF (red line)

Fig. S2

Normalised FTIR spectra of PP samples without dye (not aged – black line, aged 72 h in the Q-sun chamber – gray line), with CF (not aged – blue line, aged 72 h in the Q-sun chamber – green line) and with CF and HNT (not aged – red line, aged 72 h in the Q-sun chamber – orange line)
Normalised FTIR spectra of PP samples without dye (not aged – black line, aged 72 h in the Q-sun chamber – gray line), with CF (not aged – blue line, aged 72 h in the Q-sun chamber – green line) and with CF and HNT (not aged – red line, aged 72 h in the Q-sun chamber – orange line)

Fig. S3

Normalised FTIR spectra of PLA samples without dye (not aged – black line, aged 72 h in the Q-sun chamber – gray line), with CF (not aged – blue line, aged 72 h in the Q-sun chamber – green line) and with CF and HNT (not aged – red line, aged 72 h in the Q-sun chamber – orange line)
Normalised FTIR spectra of PLA samples without dye (not aged – black line, aged 72 h in the Q-sun chamber – gray line), with CF (not aged – blue line, aged 72 h in the Q-sun chamber – green line) and with CF and HNT (not aged – red line, aged 72 h in the Q-sun chamber – orange line)

CIELab parameters (L, a, b) of PP and PLA knitted fabrics dyed in mass before (0 h) and after light ageing (72 h); (ΔEab)1 represents changes between non-coloured and coloured samples before aging and (ΔEab)2 represents changes due to aging

Sample Unaged aged
L a b (ΔEab)1 L a b (ΔEab)2
PP 79.3 0.12 −0.44 66.5 −1.43 −1.84 12.9
PP/CF 81.3 0.78 −3.9 4.05 78.1 −1.50 8.06 12.7
PP/HNTCF 80.3 0.2 −0.9 1.1 75.3 −1.14 5.87 8.5
PLA 75.8 −1.88 −2.40 72.3 −0.43 −0.99 4.3
PLA/CF 80.5 1.34 −4.87 6.2 71.9 0.75 −2.57 9.8
PLA/HNTCF 80.1 1.01 −3.7 5.3 65.5 0.93 −2.17 14.7
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