We have significantly improved the solar attenuation characteristics of ultraviolet-cured polymer-dispersed liquid crystal (PDLC) films by adding chemical accelerators to the materials from which the films are formed. The visual transmittance and response times of the new films are comparable to those of the best ultraviolet-cured films prepared without an accelerator; however, the new films may require higher operating voltages to achieve this performance. In addition, PDLC films prepared with accelerators require approximately 50% less liquid crystal than the best films made without accelerators.
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Montgomery et al. (1993) studied this question.
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