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- Title
Fabrication of polymer-dispersed liquid crystals with low driving voltage based on the thiol-ene click reaction.
- Authors
Shi, Zhiqing; Shao, Leishan; Zhang, Yuliang; Guan, Yu; Wang, Fei; Deng, Feifei; Liu, Yawei; Wang, Yinghan
- Abstract
Polymer-dispersed liquid crystals ( PDLCs) with a well-defined polymer matrix were successfully fabricated by the thiol-ene click reaction based on poly(ethylene glycol) diacrylate ( PEGDA) and trimethylolpropanetris-(3-mercaptopropionate) ( TMTP). UV−visible spectrophotometry, Fourier transform IR spectroscopy, SEM and polarized optical microscopy were employed to explore the PDLC films obtained. Electro-optical properties were studied with a UV−visible spectrophotometer. It was found that the PDLC films with optimal thiol content fabricated by the thiol-ene click reaction showed high transmittance, low driving voltage and a low memory effect. It was concluded that the driving voltage change of PDLCs with different thiol concentrations was caused by the polymerization rate and the structure of the polymer matrix. © 2017 Society of Chemical Industry
- Subjects
POLYMER-dispersed liquid crystals; THIOLS; POLYETHYLENE glycol; ELECTRIC potential; CHEMICAL reactions
- Publication
Polymer International, 2017, Vol 66, Issue 7, p1094
- ISSN
0959-8103
- Publication type
Article
- DOI
10.1002/pi.5365