X-Ray Diffraction by Thermotropic Main-Chain Polymers Having Side Groups. Part B. Rigid Polyesters

Abstract

Thermotropic poly(sulfonyl hydroquinone terephthalate) with either H or CH3 in the lateral substituent, was aligned by drawing from nematic melts. Virtually identical xray intensity distributions were recorded consisting of 'disks' of intensity periodically spaced along the meridian and concentric rings of intensity lying in the equatorial plane of reciprocal space. They correspond to what is expected for the hexagonal packing of parallel periodic chains that are randomly displaced along the chain axes. Using interactive graphics, appropriate molecular models were deduced in conformity with the observed diffraction intensities. X Ray diffraction, Terephthalates, Liquid crystalline polymers.

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Document Details

Document Type
Technical Report
Publication Date
Sep 07, 1988
Accession Number
ADA199302

Entities

People

  • Agya R. Saini
  • Hui H. Chin
  • Leonid V. Azaroff
  • Robert W. Lenz

Organizations

  • University of Connecticut

Tags

Communities of Interest

  • Air Platforms
  • Weapons Technologies

DTIC Thesaurus Topics

  • Chemistry
  • Connecticut
  • Engineering
  • Graphics
  • Interactive Graphics
  • Massachusetts
  • Materials
  • Materials Science
  • Melting Point
  • Military Research
  • Molecules
  • Physics
  • Polyesters
  • United States
  • Universities
  • X Rays
  • X-Ray Diffraction

Readers

  • Electrical Engineering
  • Materials Science and Engineering.
  • Polymer Science and Technology

Technology Areas

  • Space