Liquid Crystalline Dendrimers: 2. Synthesis of Four Generations of Carbosilane LC Dendrimers with Terminal Methoxyphenylbenzoate Groups. Study of Phase Behaviour Structure and Mobility of mesogenic Groups of LC Dendrimers

Abstract

Carbosilane LC dendrimers of generation 1-4 with 8, 16, 32 and 64 terminal phenyl benzoate mesogenic groups were synthesized all LC dendrimers with methoxyphenyl benzoate mesogenic groups of generation first to four the included are crystallized as opposite to the ones with the cyanobiphenyl groups. Small angle X-ray scattering (SAXS) of LC dendrimers with cyanobiphenyl groups of generations first to fourth revealed disordered or thogonol or weakly tilted mesophases (smectics A and C) in this seria of LC dendrimers. Molecular mobility of mesogenic groups in LC dendrimers of first generation with different mesogenic groups were studied by means of electrooptical birefringence method (Kerr effect).

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Document Details

Document Type
Technical Report
Publication Date
Jul 07, 1998
Accession Number
ADA354173

Entities

People

  • A. M. Muzafarov
  • E. A. Rebrov
  • N. I. Boiko
  • S. A. Ponomarenko
  • V. P. Shibaev

Organizations

  • Moscow State University

Tags

DTIC Thesaurus Topics

  • Benzoates
  • Birefringence
  • Chemistry
  • Contracts
  • Copolymers
  • Demographic Cohorts
  • Dendrimers
  • Electric Fields
  • Electromagnetic Scattering
  • Kerr Effects
  • Liquid Crystals
  • Mobility
  • Polymers
  • Scattering
  • Terminals
  • X Ray Scattering
  • X Rays

Readers

  • Materials Science and Engineering.
  • Polymer Science and Technology