MORPHOLOGY STUDY OF A SERIES OF AZOBENZENE-CONTAINING SIDE-ON LIQUID CRYSTALLINE TRIBLOCK COPOLYMERS

Wei Deng; Annie Brûlet; Pierre-antoine Albouy; Patrick Keller; Xiao-gong Wang; Min-hui Li

doi:10.1007/s10118-012-1117-3

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MORPHOLOGY STUDY OF A SERIES OF AZOBENZENE-CONTAINING SIDE-ON LIQUID CRYSTALLINE TRIBLOCK COPOLYMERS

PAPER | Updated：2023-01-03

- MORPHOLOGY STUDY OF A SERIES OF AZOBENZENE-CONTAINING SIDE-ON LIQUID CRYSTALLINE TRIBLOCK COPOLYMERS
- Chinese Journal of Polymer Science Vol. 30, Issue 2, Pages: 258-268(2012)
- Affiliations：
  
  a.Department of Chemical Engineering, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
  b.Institut Curie, Centre de Recherche, CNRS UMR168, Université Pierre et Marie Curie, 26 rue d’Ulm,75248 Paris CEDEX 05, France
  c.Laboratoire Léon Brillouin, UMR12 CEA-CNRS, C.E. Saclay, 91191 Gif sur Yvette Cedex, France
  d.Laboratoire de Physique des Solides, CNRS UMR 8502, Université Paris-Sud, Bâtiment 510, 91405 Orsay CEDEX, France
- Author bio：
  
  **Patrick Keller, E-mail: patrick.keller@curie.fr
  Xiao-gong Wang (王晓工), E-mail: wxg-dce@mail.tsinghua.edu.cn
  Min-hui Li, E-mail: min-hui.li@curie.fr
- Funds：
- DOI：10.1007/s10118-012-1117-3
  CLC：
- Received：22 April 2011，
  
  Revised：2011-06-08，
  
  Accepted：10 June 2011，
  
  Published：2012-03
- Accepted：
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Wei Deng, Annie Brûlet, Pierre-antoine Albouy, et al. MORPHOLOGY STUDY OF A SERIES OF AZOBENZENE-CONTAINING SIDE-ON LIQUID CRYSTALLINE TRIBLOCK COPOLYMERS[J]. Chinese Journal of Polymer Science, 2012, 30(2): 258-268.
DOI：

Wei Deng, Annie Brûlet, Pierre-antoine Albouy, et al. MORPHOLOGY STUDY OF A SERIES OF AZOBENZENE-CONTAINING SIDE-ON LIQUID CRYSTALLINE TRIBLOCK COPOLYMERS[J]. Chinese Journal of Polymer Science, 2012, 30(2): 258-268. DOI： 10.1007/s10118-012-1117-3.

摘要

Abstract

A series of azobenzene containing side-on liquid crystalline ABA triblock copolymers were investigated. This triblock series possesses the same central liquid crystal block B and various lengths of the amorphous block A. Transmission electron microscopy (TEM)

small angle X-rays and neutron scattering (SAXS and SANS) were used to study their morphologies. After annealing the samples over weeks at a temperature within the nematic temperature range of block B

different morphologies (disordered

lamellar

perforated layer and hexagonal cylinder) were observed by TEM. The alignment behavior of these azo triblock copolymers in the magnetic field for artificial muscle application

as well as the phase period and the order-disorder transition (ODT) were studied

in situ

by SANS.

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