Fourier Transform Infrared Spectroscopic Study of Thermal and Electrical Aging in Polyurethane

Abstract

Many different polymeric insulations, such as silicones, epoxies, polyethylenes, etc., are in use. Unfortunately, these materials exhibit decreasing resistance to electrical stress with time. In order to characterize these degradation processes and to suggest materials changes that will ameliorate them, we are developing Fourier transform infrared spectroscopy (FTIR) techniques to look for molecular changes that occur before breakdown and which may therefore be used as a 'distant early-warning line' for impending breakdown.

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Document Details

Document Type
Technical Report
Publication Date
Mar 20, 1987
Accession Number
ADA179152

Entities

People

  • Robert S. Bretzlaff
  • S. L. Sandlin

Organizations

  • The Aerospace Corporation

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Absorption Spectra
  • Biomedical And Dental Materials
  • Chemical Reactions
  • Electric Fields
  • Electron Scattering
  • Energy Transfer
  • Environment
  • Frequency
  • High Temperature
  • Materials
  • Materials Science
  • Measurement
  • Polymers
  • Polyurethanes
  • Scattering
  • Spectra
  • Spectroscopy

Fields of Study

  • Materials science

Readers

  • Image Processing and Computer Vision.
  • Surface Coatings Technology.
  • Systems Analysis and Design

Technology Areas

  • Microelectronics