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Details van artikel 9 van 16 gevonden artikelen
| Titel: |
PREPARATION OF MICROSPHERES WITH LIQUID CRYSTAL RESPONSES |
| Auteur: |
Yoshida, Masahiro Fan, Xinghe Yoshizawa, Hidekazu Itahara, Toshio Kawano, Yoshinobu Uemura, Yoshimitsu Hatate, Yasuo |
| Verschenen in: |
Chemical engineering communications |
| Paginering: | Jaargang 185 (2001) nr. 1 pagina's 183-199 |
| Jaar: |
2001-04-01 |
| Inhoud: |
We synthesized a ferroelectric liquid crystal monomer possessing both carboxyl p-benzolxy-benzoate and carboxyl (s)-(-)-2-methylbutyl ester in its side chain. The liquid crystal and styrene monomers were utilized to form matrices of microspheres prepared by the dispersion or suspension polymerization. In this study, we characterized in detail physicochemical properties, thermo-responses, or electro-optical responses in the microspheres. We demonstrated the following results: (1) the volume-averaged diameters of microspheres prepared by the dispersion or suspension polymerization were of 1.5 or 45 μm, respectively, (2) the microspheres prepared showed liquid crystal abilities at the prescribed temperature, (3) the phase transition temperatures toward the liquid crystal phase of the microspheres prepared by copolymerizing the liquid crystal and styrene monomers could be decreased with increasing styrene monomer concentrations, and (4) the microspheres obtained remarkably exhibited electro-optical responses at the appointed voltage. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 9 van 16 gevonden artikelen
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