Characterization of Acetylene-Terminated Resin Cure States

Abstract

Acetylene terminated (AT) oligomers are being considered for use in high service temperature adhesives and composites. Characterization of the cure states of these resins by Fourier transform infrared (FT-IR), nuclear magnetic resonance (NMR), and electron paramagnetic resonance (EPR) techniques was investigated. The AT resins 4,4-bis(3ethynylphenoxy) diphenylsulfone (ATS), 4,4- bis(4-ethylphenoxy)-2,2-diphenylpropane (p-ATB), and 4,4-bis(3-ethylphenoxy)-2- diphenylpropane (m-ATB), and the monofunctional model compound phenoxyphenoxyphenylacetylene (PPPA), were studied as a function of cure and postcure conditions. These measurements provided parameters useful in characterizing the cure states of AT resins. The results also provided additional insight to the cure mechanism. Acetylene, Terminated sulfone, Bisphenol, Phenoxyphenoxyphenylacetylene phenyl radicals, Phenoxy compounds.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1986
Accession Number
ADA206426

Entities

People

  • A. C. Lind
  • C. G. Fry
  • R. L. Levy
  • T. C. Sandreczki

Tags

Communities of Interest

  • Cyber
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Chemical Kinetics
  • Chemical Reactions
  • Chemical Shifts
  • Chemistry
  • Convection
  • Electron Paramagnetic Resonance
  • Frequency Shift
  • Magnetic Resonance
  • Mainframe Computers
  • Materials Laboratories
  • Measurement
  • Nuclear Magnetic Resonance
  • Paramagnetic Resonance
  • Polymers
  • Resins
  • Resonance
  • Spectral Lines

Fields of Study

  • Materials science

Readers

  • Polymer Science and Engineering.
  • Quantum spin resonance or Electron Paramagnetic Resonance spectroscopy.

Technology Areas

  • Microelectronics