Solid State NMR Studies of Morphology and Orientation in Polymers.

Abstract

Our objective was to provide research training opportunities for graduate students in NMR characterization of polymers, in particular polymers for NLO applications. We collaborated with the Allcock group at Penn State and have a large paper in press in Macromolecules on polyphosphazene NLO polymers. The methodology was to use P-3l and C-l3 MAS NMR to study in detail the temperature dependent main-chain and NLO side-group dynamics in two NLO polymers. We studied photochemical cross-linking in host polymer systems and verified the 2+2 mechanism that was central to the original proposal. This was first communicated in Macromolecules, and other work will be forthcoming.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 1995
Accession Number
ADA303426

Entities

People

  • James F. Haw

Organizations

  • Texas A&M University

Tags

DTIC Thesaurus Topics

  • Chemical Engineering
  • Chemical Reactions
  • Chemistry
  • Dynamics
  • Engineering
  • Group Dynamics
  • Inorganic Polymers
  • Macromolecules
  • Magnetic Resonance
  • Magnetic Resonance Imaging
  • Materials
  • Military Research
  • Nuclear Magnetic Resonance
  • Polymers
  • Resonance
  • United States
  • Universities

Readers

  • Polymer Science and Technology
  • Research Science/Academic Research