On fig. 10 is shown relation between light source distance and intensity of colour change for two exposition times and Minolta Illuminance Meter IT10. It stands to reason, that curves for pigment no. 3 are similar to MIM IT 10.

Conclusion

This paper is introducing study of dynamic properties of photo chromic pigments. This study will be followed by experiment with moderating of above-mentioned properties by UV absorbents. We demonstrate the possibilities of textile-based sensors in area identification of radiation intensity.

References:

1. Vikov, M.; Vik, M.: Some problems in measurement of UV protective textiles, The 3-rd China International Wool Textile Conference, Xian 26-28 September 2002
2. Vikov, M.; Vik, M.: New micro spectrophotometer for measurement of UPF on textile fibre, 6. Dresdner Textiltagung, 19-21.6. 2002 Dresden, Germany

Acknowledgements

This work was supported by the Czech Ministry of Education as research project VCT LN00B090.

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