A giant polymer lattice in a polymer-stabilized blue phase liquid crystal

Soft Matter ◽  
2015 ◽  
Vol 11 (23) ◽  
pp. 4572-4575 ◽  
Author(s):  
H. Kikuchi ◽  
S. Izena ◽  
H. Higuchi ◽  
Y. Okumura ◽  
K. Higashiguchi
Keyword(s):  
Liquid Crystal ◽  
Small Angle ◽  
Three Dimensional ◽  
Body Centered Cubic ◽  
X Ray Diffraction ◽  
X Ray ◽  
Phase Liquid ◽  
Blue Phase ◽  
Diffraction Patterns ◽  
Polymer Stabilized

Ultra-small angle X-ray diffraction patterns of a polymer-stabilized blue phase liquid crystal and a possible three-dimensional giant polymer lattice with body-centered cubic O8− symmetry formed in it.

Study on the Structure and Liquid Crystal Behavior of Cyclohexane Liquid Crystal Monomer

2012 ◽  
Vol 482-484 ◽  
pp. 855-858
Author(s):  
Ying Li
Keyword(s):  
Liquid Crystal ◽  
Chemical Structure ◽  
X Ray Diffraction ◽  
Scanning Calorimetry ◽  
Cholesteric Phase ◽  
X Ray ◽  
Good Thermal Stability ◽  
Nuclear Magnetic Resonance Spectra ◽  
Phase Liquid ◽  
Blue Phase

Chemical structure and liquid crystal behavior of mesogenic monomer(Trans, trans)-4-propyl-4’-vinyl- bicyclohexane(3HHV) with platelet texture of a blue phase and mesogenic monomer(Trans, trans)-4-propyl-4’-propenyl –bicyclohexane(4HHV) with cholesteric phase were studied. The chemical structure of mesogenic monomers were determined by Fourier transform infrared spectroscopy, and Hydrogen-nuclear magnetic resonance spectra. Liquid crystal behavior of mesogenic monomers were analyzed by polarizing optical microscopy and X-ray diffraction. Thermal properties of mesogenic monomers were researched by differential scanning calorimetry. The results were that: 3HHV showed the platelet texture of a blue phase was considerably different from single color texture of blue phase we always refer to, and assuredly belong to a new kind of blue phase liquid crystal. These two kinds of cyclohexane liquid crystal monomer also showed good thermal stability.

2D X-ray diffraction and molecular modelling of the crystalline structure of polyesters under uniaxial stress

2021 ◽  
pp. 096739112199822
Author(s):  
Ahmed I Abou-Kandil ◽  
Gerhard Goldbeck
Keyword(s):  
Crystalline Structure ◽  
Molecular Modelling ◽  
Three Dimensional ◽  
Uniaxial Stress ◽  
X Ray Diffraction ◽  
X Ray ◽  
Wide Range ◽  
Modelling Techniques ◽  
Diffraction Patterns

Studying the crystalline structure of uniaxially and biaxially drawn polyesters is of great importance due to their wide range of applications. In this study, we shed some light on the behaviour of PET and PEN under uniaxial stress using experimental and molecular modelling techniques. Comparing experiment with modelling provides insights into polymer crystallisation with extended chains. Experimental x-ray diffraction patterns are reproduced by means of models of chains sliding along the c-axis leading to some loss of three-dimensional order, i.e. moving away from the condition of perfect register of the fully extended chains in triclinic crystals of both PET and PEN. This will help us understand the mechanism of polymer crystallisation under uniaxial stress and the appearance of mesophases in some cases as discussed herein.

P-205: Late-News Poster: Augmented Reality Display Based on Polymer-Stabilized Blue Phase Liquid Crystal Combiner

2018 ◽  
Vol 49 (1) ◽  
pp. 1758-1761
Author(s):  
Quanming Chen ◽  
Yan Li ◽  
Shuxin Liu ◽  
Pengcheng Zhou ◽  
Sida Li ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Augmented Reality ◽  
Phase Liquid ◽  
Blue Phase ◽  
Late News ◽  
Polymer Stabilized

Polymer-stabilized blue phase liquid crystal display with slanted wall-shaped electrodes

2012 ◽  
Vol 10 (2) ◽  
pp. 022301-22303 ◽  
Author(s):  
Feng Zhou Feng Zhou ◽  
Qionghua Wang Qionghua Wang ◽  
Di Wu Di Wu ◽  
Jianpeng Cui Jianpeng Cui
Keyword(s):  
Liquid Crystal ◽  
Liquid Crystal Display ◽  
Phase Liquid ◽  
Blue Phase ◽  
Polymer Stabilized

Polymer-stabilized blue phase liquid crystal of large Kerr constant based on multiple dopants

2015 ◽  
Vol 30 (4) ◽  
pp. 576-580 ◽  
Author(s):  
李伟欢 LI Wei-huan ◽  
孙骁扬 SUN Xiao-yang ◽  
李泳锐 LEE Yung-jui ◽  
罗长诚 LO Chang-cheng ◽  
连水池 Lien Alan ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Kerr Constant ◽  
Phase Liquid ◽  
Blue Phase ◽  
Polymer Stabilized

17.1:Invited Paper: Polymer-Stabilized Blue Phase Liquid Crystal Displays Applying Novel Groove Cell Structure

2013 ◽  
Vol 44 (1) ◽  
pp. 182-183 ◽  
Author(s):  
Cheng-Yeh Tsai ◽  
Te-Jen Tseng ◽  
Lin-Yung Wang ◽  
Fang-Cheng Yu ◽  
Yi-Fen Lan ◽  
...  
Keyword(s):  
Liquid Crystal ◽  
Cell Structure ◽  
Liquid Crystal Displays ◽  
Phase Liquid ◽  
Blue Phase ◽  
Polymer Stabilized

A model-independent maximum-entropy method for the inversion of small-angle X-ray diffraction patterns

1999 ◽  
Vol 32 (6) ◽  
pp. 1069-1083 ◽  
Author(s):  
J. A. Elliott ◽  
S. Hanna
Keyword(s):  
Maximum Entropy ◽  
Small Angle ◽  
Disordered Systems ◽  
Maximum Entropy Method ◽  
Structural Model ◽  
Entropy Method ◽  
X Ray Diffraction ◽  
X Ray ◽  
Model Independent ◽  
Diffraction Patterns

A model-independent maximum-entropy method is presented which will produce a structural model from small-angle X-ray diffraction data of disordered systems using no other prior information. In this respect, it differs from conventional maximum-entropy methods which assume the form of scattering entitiesa priori. The method is demonstrated using a number of different simulated diffraction patterns, and applied to real data obtained from perfluorinated ionomer membranes, in particular Nafion™, and a liquid crystalline copolymer of 1,4-oxybenzoate and 2,6-oxynaphthoate (B–N).

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