Fatigue-Resistant Photochromic Plastics

Nori Y. C. Chu

doi:10.1117/12.949925

6 March 1989 Fatigue-Resistant Photochromic Plastics

Nori Y. C. Chu

Proceedings Volume 1016, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VII; (1989) https://doi.org/10.1117/12.949925
Event: 1988 International Congress on Optical Science and Engineering, 1988, Hamburg, Germany

Abstract

The optical switching properties of a photochromic spirooxazine compound in retrofit polyester film and in poly (vinyl butyral) have been measured. The light fatigue resistance of these two optical switching elements were tested by an accelerated method. The length of photochromic activity of the optical switching elements can be improved by various organonickel and hindered amine light stabilizers. The effectiveness and optimal concentration for each light stabilizer in these host materials has been determined. These two types of light stabilizers act synergistically in improving the light fatigue resistance of the optical switching elements significantly.

Citation Download Citation

Nori Y. C. Chu "Fatigue-Resistant Photochromic Plastics", Proc. SPIE 1016, Optical Materials Technology for Energy Efficiency and Solar Energy Conversion VII, (6 March 1989); https://doi.org/10.1117/12.949925

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