Thermally recordable cholesteric liquid crystalline copolymers containing pendant menthyl and cholesteryl groups

IEEE/OSA Journal of Display Technology

Volumn 4, Issue 4, 2008, Pages 369-376

  Yang, Po Chih ^a   Liu, Jui Hsiang ^a  

^a NATIONAL CHENG KUNG UNIVERSITY   (Taiwan)

Author keywords

Chiral; Liquid crystals; Polymers; Synthesis

Indexed keywords

ABS RESINS; ACTIVE NETWORKS; COLOR FILMS; COMPOSITE FILMS; CRYSTALLINE MATERIALS; CRYSTALLOGRAPHY; CRYSTALS; DIFFERENTIAL SCANNING CALORIMETRY; FLOW INTERACTIONS; HEAT TREATMENT; IMAGE RECORDING; LASER INTERFEROMETRY; LIGHT SOURCES; LIQUID CRYSTALS; MOLECULAR INTERACTIONS; MOLECULAR STRUCTURE; MONOMERS; OPTICAL MICROSCOPY; POLYMER FILMS; POLYMERS; PORT TERMINALS; QUENCHING; THERMODYNAMIC STABILITY;

CHIRAL; CHOLESTERYL GROUPS; CRYSTALLINE POLYMERS; DIFFRACTOMETRY; EXTERNAL FIELDS; FILM TEMPERATURES; LINKING GROUPS; LIQUID CRYSTALLINE MONOMERS; LIQUID CRYSTALLINE PHASES; MESOGENIC CORES; PHYSICAL PROPERTIES OF POLYMERS; POLARIZED OPTICAL MICROSCOPIES; POLYMER MATERIALS; SIDE CHAINS; SPACER LENGTHS; SYNTHESIS; SYNTHESIZED POLYMERS; TERMINAL GROUPS; THERMAL STABILITIES; THERMAL TREATMENTS;

LIQUID CRYSTAL POLYMERS;

EID: 56749157073     PISSN: 1551319X     EISSN: None     Source Type: Journal    
DOI: 10.1109/JDT.2008.2006698     Document Type: Article

References (24)

1. K. Ichimura, "Photoalignment of liquid-crystal systems," Chem. Rev., vol. 100, pp. 1847-1874, 2000.
2. A. Y. Bobrovsky, N. I. Boiko, V. P. Shibaev, and J. Springer, "New chiral nematic materials with photovariable helical supramolecular structure for reversible optical data recording," Adv. Mater., vol. 12, pp. 1180-1183, 2000.
3. A. Natansohn, P. Rochon, X. Meng, C. Barret, T. Buffeteau, and S. Bonenfant, "Molecular addressing? Selective photoinduced cooperative motion of polar ester groups in copolymers containing azobenzene groups," Macromolecules, vol. 31, pp. 1155-1161, 1998.
4. K. Suzuki, H. Saito, M. Tokita, and J. Watanabe, "Development of co-continuous structure in liquid crystalline polyester," Polymer, vol. 46, pp. 8313-8320, 2005.
5. A. W. De Jeu and G. Verteugen, Thermotropic Liquid Crystals. Fundamental. Berlin, Germany: Springer-Verlag, 1977.
6. C. Ruslim and K. Ichimura, "Conformational effect on macroscopic chirality modification of cholesteric mesophases by photochromic azobenzene dopants," J. Phys. Chem. B, vol. 104, pp. 6529-6535, 2000.
7. D. Demus, J. Goodby, G. W. Gray, H. W. Spiess, and V. Vill, Handbook of Liquid Crystals. Weinheim, Germany: Wiley-VCH, 1998, vol. 2A.
8. E. B. Barmatov, A. Y. Bobrovsky, D. A. Pebalk, M. V. Barmatova, and V. P. Shibaev, "Cholesteric mesophase of the hydrogen-bonded blends of liquid crystalline ionogenic copolymers with a low molecular weight chiral dopant," J. Polym. Sci. Part A: Polym. Chem., vol. 37, pp. 3215-3225, 1999.
9. P. Van de witte, J. C. Galan, and J. Lub, "Modification of the pitch of chiral nematic liquid crystals by means of photoisomerization of chiral dopants," Liq. Cryst., vol. 24, pp. 819-827, 1998.
10. V. P. Shibaev, V. I. Kopp, and A. Z. Genack, "Photonic materials based on mixtures of cholesteric liquid crystals with polymers," J. Phys. Chem. B, vol. 107, pp. 6961-6964, 2003.
11. 2L] (L = a mesogenic derivative of bpy) as a novel chiral dopant for nematic liquid crystals with large helical twisting power," J. Amer. Chem. Soc., vol. 125, pp. 1718-1719, 2003.
12. J. H. Liu, C. D. Hsieh, and H. Y. Wang, "Preparation and characterization of chiral polyacrylates end-capped with bornyl groups in the side chains," J. Polym. Sci. Part A: Polym. Chem., vol. 42, pp. 1075-1092, 2004.
13. J. H. Liu and P. C. Yang, "Synthesis and characterization of novel monomers and polymers containing chiral (-)-menthyl groups," Polymer, vol. 47, pp. 4925-4935, 2006.
14. P. C. Yang and J. H. Liu, "Synthesis and characterization of novel photoisomerizable liquid crystalline polymers containing cinnamoyl groups," J. Polym. Sci. Part A: Polym. Chem., vol. 46, pp. 1289-1303, 2008.
15. J. H. Liu, P. C. Yang, Y. H. Chiu, and Y. Suda, "Synthesis and characterization of novel liquid-crystalline copolymers containing thermally stable photochromic groups," J. Polym. Sci. Part A: Polym. Chem., vol. 45, pp. 2026-2037, 2007.
16. T. H. Lin, Y. J. Chen, C. H. Wu, Y. G. Fun, J. H. Liu, and P. C. Yang, "Cholesteric liquid crystal laser with wide tuning capability," Appl. Phys. Lett., vol. 86, pp. 161120-161123, 2005.
17. J. H. Liu, P. C. Yang, Y. K. Wang, and C. C. Wang, "Optical behavior of cholesteric liquid crystal cells with novel photoisomerizable chiral dopants," Liq. Cryst., vol. 33, pp. 237-248, 2006.
18. I. Dierking, Textures of Liquid Crystals. Weinheim, Germany: Wiley-VCH, 2003.
19. M. Brehmer, J. Lub, and P. Van de witte, "Light-induced color change of cholesteric copolymers," Adv. Mater., vol. 10, pp. 1438-1441, 1998.
20. D. Demus, J. Goodby, G. Grey, H. Spiess, and V. Vill, Handbook of Liquid Crystals. New York: Wiley, 1998.
21. V. Shibaev, A. Bobrovsky, and N. Boiko, "Photoactive liquid crystalline polymer systems with, light-controllable structure and optical properties," Prog. Polym. Sci., vol. 28, pp. 729-836, 2003.
22. V. A. Mallia and N. Tamaoki, "Photoresponsive verifiable chiral dimesogens: Photo-thermal modulation of microscopic disordering in helical superstructure and glass-forming properties," J. Mater. Chem., vol. 13, p. 219, 2003.
23. A. E. Blatch, I. D. Fletcher, and G. R. Luckhurst, "Symmetric and non-symmetric liquid crystal dimers with branched terminal alkyl chains: Racemic and chiral," J. Mater. Chem., vol. 7, p. 9, 1997.
24. R. A. M. Hikmet and H. Kemperman, Nature, vol. 392, pp. 476-479, 1998.