Liquid crystal/polymer composites

PERMEABILITIES IN POLYMER/LIQUID CRYSTAL COMPOSITE MEMBRANES... [Pg.246]

Malik MK, Deshmukh RR (2014) Electro-optics of homogeneously aligned nematic liquid crystals stabilized by a polymer network. Int J ChemTech Res 6 1833-1835 Manohar R, Tripathi G, Singh AK, Srivastava AK, Shukla JP, Prajapati AK (2006) Dielectric and optical properties of polymer-liquid crystal composite. J Phys Chem Solids 67 2300-2304 Mei E, Higgins DA (1998) Polymer-dispersed liquid crystal films studied by near-field scanning optical microscopy. Langmuir 14 1945-1950... [Pg.194]

Rout DK, Jain SC (1992) Dielectric properties of polymer-liquid crystal composites. Jpn J Appl... [Pg.194]

Light Switching Effects of Polymer/(Liquid Crystal) Composite Systems T. Kajiyama, H. Kikuchi, J.C. Hwang, A. Miyamoto, S. Moritomi,... [Pg.5]

Light Switching Effects of Polymer/(Liquid Crystal) Composite Systems... [Pg.343]

Wang, Bin, D. B. Chung, and P. J. Bos. 2004. Finite-difference time-domain optical calculations of polymer-liquid crystal composite electrodiffractive device. Jpn. J. Appl Phys. Part 1. 43(1) 176. [Pg.189]

Polymer liquid crystals, 75 107-111 Polymer matrices, 26 761-765 Polymer-matrix composites, 73 502 26 751, 755-756 fabrication of, 26 765 Polymer melts, 75 108-109 27 730-731 chain fluctuations in, 27 714 viscosity of, 20 99 21 712-714 Polymer metal composites, smart, 22 718 Polymer microspheres, 9 73-75 Polymer microstructure, polychloroprene, 79 836-838... [Pg.736]

Title Liquid-Crystal Compositions and Polymer Networks Derived Therefrom... [Pg.91]

More recently, Raman spectroscopy has been used to investigate the vibrational spectroscopy of polymer liquid crystals (46) (see Liquid crystalline MATERIALS), the kinetics of polymerization (47) (see Kinetic measurements), synthetic polymers and mbbers (48), and stress and strain in fibers and composites (49) (see Composite materials). The relationship between Raman spectra and the structure of conjugated and conducting polymers has been reviewed (50,51). In addition, a general review of ft-Raman studies of polymers has been published (52). [Pg.214]

At least two good ways out exist. One consists of the dispersion at the molecular level of rigid polymer molecules between flexible chains - the concept of molecular composites of Helminiak, Hwang e.a.(2, 4j. The other involves the use of polymer liquid crystals (PLCs). As discussed by Witt (5), compared to widely used engineering thermoplastics, PLCs show clear... [Pg.403]

T. Kajiyama, H. Kikuchi, and K. Nakamura, Photoresponsive electrooptical effect of liquid crystalline polymer/low molecular weight liquid crystal composite system, Proc. SPIE 1911, 111-121 (1993). [Pg.64]

A. Kumano, O. Niwa, T. Kajiyama, M. Takayanagi, K. Kano and S. Shinkai, Photoinduced ion permeation through ternary composite membrane composed of polymer/liquid crystal/azobenzene-bridged crown ether, Chem. Lett., 1983, 1327. [Pg.212]

In a polymer fixation system, a liquid crystal composite in which a polymerizable component is mixed in a liquid crystal, is sealed between the substrates. The liquid crystal molecules are tilted by applying a voltage between the substrates and polymerization is started. [Pg.540]

C.S. Own, D. Seader, N.A. D Souza, W. Brostow, Cowoven polypropylene/glass composites with polypropylene + polymer liquid crystal interlayers dynamic mechanical and thermal analysis. Polym. Compos. 19(2), 107-115 (1998)... [Pg.177]

The birefiingence of the polymer network was estimated by measuring the birefringence after replacing the liquid crystal solvent with an isotropic solvent such as octane. The birefiingence of the liquid crystal composite was modeled as follows. The polymer network was assumed to be a square array of parallel fibrils of radius R and order parameter Sp. The order parameter of the liquid crystal solvent was assumed to be equal to that of the polymer network at the interface, and continuously decreasing away from this interface. [Pg.517]

The values of a and aL of polymer single crystals [32-46], amorphous and crystalline drawn plastics [32,47,48] and drawn and undrawn speciality polymers [49-52] have been extensively studied in the last two decades. A brief description as a prelude to the expansivities of polymer liquid crystals, their blends and composites is discussed in the following. [Pg.217]

POLYMER COMPOSITES AND POLYMER LIQUID CRYSTAL + THERMOPLASTIC BLENDS... [Pg.238]

Polymeric materials have relatively large thermal expansion. However, by incorporating fillers of low a in typical plastics, it is possible to produce a composite having a value of a only one-fifth of the unfilled plastics. Recently the thermal expansivity of a number of in situ composites of polymer liquid crystals and engineering plastics has been studied [14,16, 98, 99]. Choy et al [99] have attempted to correlate the thermal expansivity of a blend with those of its constituents using the Schapery equation for continuous fiber reinforced composites [100] as the PLC fibrils in blends studied are essentially continuous at the draw ratio of 2 = 15. Other authors [14,99] observed that the Takayanagi model [101] explains the thermal expansion. [Pg.238]

ELASTIC MODULI OF IN SITU COMPOSITES CONTAINING POLYMER LIQUID CRYSTALS... [Pg.469]

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