THERMODYNAMIC PROPERTIES OF POLYBUTENE-1 AND BUTENE-1,

Abstract

Using published specific heat data, the entropy, enthalpy, and Gibbs free energy of polybutene-1 (PB) were calculated over the temperature range 0 to 315K. The encraty, C sub p/T vs. T, calculated for PB exhibits a maximum at 60K and a small inflection at about 250K, which is associated with the glass transition. The difference, C sub p-C sub v, was calculated at 298.15K and found to be 0.047 cal/gm deg. The thermodynamic functions were also calculated for butene-1. At 265K the entropy of polymerization is 32.57 cal/mole deg, and the free energy of polymerization was found to be -12.1 kcal/mole. (Author)

Document Details

Document Type
Technical Report
Publication Date
Sep 20, 1966
Accession Number
AD0641867

Entities

People

  • M. C. Petree
  • R. W. Warfield

Organizations

  • Naval Ordnance Laboratory

Tags

DTIC Thesaurus Topics

  • Energy
  • Enthalpy
  • Free Energy
  • Physical Properties
  • Polymerization
  • Specific Heat
  • Thermodynamic Properties

Fields of Study

  • Chemistry
  • Materials science

Readers

  • Combustion science or combustion engineering.
  • Materials Science and Engineering.
  • Polymer Science and Technology