Transitions in Phenolic Polymer

Abstract

A phenolic polymer has been polymerized under conditions which lead to a crack free solid casting and its compressibility, electrical resistivity and specific heat have been determined. A secondary transition was found by compressibility measurements at about 120C and its existence confirmed by resistivity and specific heat measurements. Based upon the experimental data it is estimated that a glass transition would occur in this polymer at about 325C if degradation did not occur. The secondary transition is discussed in terms of polymer structure.

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Document Details

Document Type
Technical Report
Publication Date
Nov 05, 1974
Accession Number
ADA003035

Entities

People

  • R. W. Warfield

Organizations

  • Naval Ordnance Laboratory

Tags

DTIC Thesaurus Topics

  • Classification
  • Compressive Properties
  • Degradation
  • Glass
  • Glass Transition Temperature
  • Heat Energy
  • Isotherms
  • Materials
  • Measurement
  • Melting Point
  • Munitions
  • Ordnance Laboratories
  • Physical Properties
  • Security
  • Solid State Properties
  • Specific Heat
  • Transition Temperature

Readers

  • Materials Science and Engineering.
  • Polymer Science and Technology