Colour Shift Photochromic Pigments in Colour Space CIE L*a*b*

ABSTRACT

One of possibilities for protection of human body against acute and cumulative exposure to ultraviolet is the wearing of special protective clothes. Nevertheless on the other side the protective clothes have not the same barrier features against the UV light.

The aim of present research work in LCAM on the Technical University of Liberec is research and development of original method of measurement by flexible textile based sensors reacting on the UVA part of electromagnetic radiation. In this article is publicized information about testing above mentioned sensors with weave structure and non-woven textiles. Results show that produced sensors shows sensitivity as to time of exposition so also to intensity of irradiation and their response characteristics is same as for classical luxmeters.

Keywords:

• colour hysteresion area
• colour space
• intensity of illumination
• photochromism
• sensor

Acknowledgments

The Czech Ministry of Education as research project supported this work: VCT LN00B090.