Thermo-optic observations on a main-chain thermotropic liquid-crystal polymer

John Tsibouklis; Paul H. Richardson; Randal W. Richards; W. James Feast

doi:10.1007/BF00296480

Thermo-optic observations on a main-chain thermotropic liquid-crystal polymer

John Tsibouklis^*
, Paul H. Richardson
, Randal W. Richards
, W. James Feast

^*Corresponding author for this work

Institute of Life Sciences and Healthcare

Durham University

Research output: Contribution to journal › Article › peer-review

Abstract

The morphological transitions of a main-chain liquid crystalline chromophoric polymer in which all of the electric dipole moments were arranged head-to-tail were investigated using the techniques of small-angle light scattering, x-ray scattering, differential scanning calorimetry and polarised optical microscopy. Above 96°C the material developed a birefringent nematic texture followed, at temperatures higher than 141°C, by a monotropic structure which was retained until the onset of thermal degradation. Under certain heating/cooling regimes non-centrosymmetric solid polymer films with low scattering characteristics could be prepared.

Original language	English
Pages (from-to)	595-601
Number of pages	7
Journal	Polymer Bulletin
Volume	30
Issue number	5
DOIs	https://doi.org/10.1007/BF00296480
Publication status	Published - 1 May 1993

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abstract = "The morphological transitions of a main-chain liquid crystalline chromophoric polymer in which all of the electric dipole moments were arranged head-to-tail were investigated using the techniques of small-angle light scattering, x-ray scattering, differential scanning calorimetry and polarised optical microscopy. Above 96°C the material developed a birefringent nematic texture followed, at temperatures higher than 141°C, by a monotropic structure which was retained until the onset of thermal degradation. Under certain heating/cooling regimes non-centrosymmetric solid polymer films with low scattering characteristics could be prepared.",

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N2 - The morphological transitions of a main-chain liquid crystalline chromophoric polymer in which all of the electric dipole moments were arranged head-to-tail were investigated using the techniques of small-angle light scattering, x-ray scattering, differential scanning calorimetry and polarised optical microscopy. Above 96°C the material developed a birefringent nematic texture followed, at temperatures higher than 141°C, by a monotropic structure which was retained until the onset of thermal degradation. Under certain heating/cooling regimes non-centrosymmetric solid polymer films with low scattering characteristics could be prepared.

AB - The morphological transitions of a main-chain liquid crystalline chromophoric polymer in which all of the electric dipole moments were arranged head-to-tail were investigated using the techniques of small-angle light scattering, x-ray scattering, differential scanning calorimetry and polarised optical microscopy. Above 96°C the material developed a birefringent nematic texture followed, at temperatures higher than 141°C, by a monotropic structure which was retained until the onset of thermal degradation. Under certain heating/cooling regimes non-centrosymmetric solid polymer films with low scattering characteristics could be prepared.

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JO - Polymer Bulletin

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ER -

Thermo-optic observations on a main-chain thermotropic liquid-crystal polymer

Abstract

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