Polysulfone as polymer matrix for a novel polymer-dispersed liquid crystals system

Phase Transitions

Volumn 82, Issue 7, 2009, Pages 507-518

  Marin, L ^a   Perju, E ^a  

^a PETRU PONI INSTITUTE OF MACROMOLECULAR CHEMISTRY   (Romania)

Author keywords

Differential scanning calorimetry; Optical polarized microscopy; Polymer dispersed liquid crystals; Polysulfone UDEL 1700

Indexed keywords

BENZONITRILES; MATRIX; NOVEL POLYMERS; OPTICAL POLARIZED MICROSCOPY; PDLC FILMS; POLYMER-DISPERSED LIQUID CRYSTALS; SYSTEM-BASED; TWO-COMPONENT;

CALORIMETERS; CHEMICAL ANALYSIS; CRYSTALS; DIFFERENTIAL SCANNING CALORIMETRY; LIGHT POLARIZATION; LIGHT SOURCES; LIGHT TRANSMISSION; LIQUID CRYSTALS; LIQUIDS; OPTICAL CORRELATION; OPTICAL MICROSCOPY; PHASE SEPARATION; POLYMERS; SCANNING;

LIQUID CRYSTAL POLYMERS;

EID: 68949113983     PISSN: 01411594     EISSN: 10290338     Source Type: Journal    
DOI: 10.1080/01411590903043140     Document Type: Article

References (25)

1. M. Mucha, Polymer as an important component of blends and composites with liquid crystals, Prog. Polym. Sci. 28 (2003), pp. 837-873.
2. P. Drzaic, Liquid Crystal Dispersions, Vol. 1, World Scientific Publishing, Singapore, 1995.
3. D.A Higgins, Probing the mesoscopic chemical and physical properties of polymer-dispersed liquid crystals, Adv. Mater 12 (2000), pp. 251-264.
4. R.L Sutherland, L.V Natarajan, V.P Tondiglia, and T.J Bunning, Bragg gratings in an acrylate polymer consisting of periodic polymer-dispersed liquid-crystal planes, Chem. Mater 5 (1993), pp. 1533-1538.
5. W. Shih, S.Y Chung, Y.Y Chen, W. Wu, and P.Z Chang, Tunable capacitor based on polymerdispersed liquid crystal for power harvesting Microsystems, IEEE Trans. Electron Devices 55 (2008), pp. 2568-2573.
6. P. Ball, It all falls into place, Nature 413 (2001), pp. 667-668.
7. A. Golemme, B.L Volodin, B. Kippelen, and N. Peyghambarian, Photorefractive polymerdispersed liquid crystals, Opt. Lett. 22 (1997), pp. 1226-1228.
8. J. Wang, J. Xia, S.W Hong, F. Qiu, Y. Yang, and Z. Lin, Phase separation of polymer-dispersed liquid crystals on a chemically patterned substrate, Langmuir 23 (2007), pp. 7411-7415.
9. P. Formentin, R. Palacios, J. Ferre-Berrull, J. Pallares, and L.F Marsal, Polymer-dispersed liquid crystal based on E7: Morphology and characterization, Synth. Met. 158 (2008), pp. 1004-1008.
10. J. Jeong Koo, Y.S No, C.W No, and J.H Kim, Improvement of electro-optic properties in PDLC device by using new cross-linker for the control of the contrast ratio, response time and driving voltage, Mol. Cryst. Liq. Cryst. 491 (2008), pp. 58-66.
11. J. Zhou, D.M Collard, J.O Park, and M. Srinivasalao, Control of the anchoring behaviour of polymer-dispersed liquid crystal: Effect of branching in the side chains of polyacrylates, J. Am. Chem. Soc. 124 (2002), pp. 9980-9981.
12. T.J White, L.V Natarajan, V.P Tondiglia, T.J Bunning, and C.A Guymon, Polymerization kinetics and monomer functionality effects in thiol-ene polymer dispersed liquid crystals, Macromolecules 40 (2007), pp. 1112-1120.
13. G.M Russed, B.J.A Paterson, C.T Imrie, and S.K Heeks, Thermal characterization of polymer-dispersed liquid crystals by differential scanning calorimetry, Chem. Mater 7 (1995), pp. 2185-2189.
14. J. Chen, P. Chen, L. Wu, J. Zhang, and J. He, Fibrilation of liquid crystalline polymer in polysulfone promoted by increased system elasticity via adding nano-silica, Polymer 48 (2007), pp. 4242-4251.
15. A.A Handlos and D.G Baird, Processing and associated properties of in-situ composites based on thermotropic liquid crystalline polymers and thermoplastics, J. Macromol. Sci. Rev. Macromol. Chem. 35 (1995), pp. 183-187.
16. M.J. El-Hibri., J. Nazabaj, J.I. Equiazabal, and A. Arzak, Poly(arylrthersulfone)s, in Handbook of Thermoplastics, O. Olabisi, ed., Marcel Dekker, New York, 1997, pp. 893-943, Chap. 36.
17. L. Marin, V. Cozan, and M. Bruma, Comparative study of new thermotropic polyazomethines, Polym. Adv. Technol. 17 (2006), pp. 654-672.
18. D. Parker, J. Bussink, H.T. van de Grampel, G.W Wheatley, E.U Dorf, E. Ostlinning, and K. Reinking, Polymers, high-temperature, in Ullmann's Encyclopedia of Industrial Chemistry, T. Kellersohn, ed., Wiley-VCH, Weinheim, 2002, pp. 351-376, chap. 28.
19. Solvay Advanced Polymers, BASF, HOS-Technik and PolyOne Corporation. Available at http://www.solvayadvancedpolymers.com.
20. D. Demus, H. Demus, and H. Zaschke, Flussige Kristalle in Tabellen, German Democratic Republic, Vol. I, VEB Deutscher Verlag fur Grundstoffindustrie, Leiptzig, 1976.
21. D.A. Dunmur, A. Fukuda, and G.R. Luckhurst, Physical Properties of Liquid Crystals: Nematics, INSPEC, London, 2001.
22. L. Marin, V. Cozan, and M. Bruma, Synthesis and study of new symmetric azomethine. Trimers containing biphenyl units, Rev. Roum. Chim. 50 (2005), pp. 649-653.
23. L. Marin, and E. Perju, New polymer-dispersed liquid crystals. Preparation and thermal characterization, Metalurgia International, Special Issue: Exploring Romanian Resources in Materials Research (2008), pp. 17-21.
24. L. Marin, S. Destri, W. Porzio, and F. Bertini, Synthesis and characterization of new azomethine derivatives exhibiting liquid crystalline properties, Liq. Cryst. 36 (2009), pp. 21-32.
25. D. Demus and L. Richter, Textures of Liquid Crystals, Deutscher Verlag fur Grundstoffindustrie, Leiptzig, 1978.