Rubber Elasticity of Preswollen Polymer Networks.

Abstract

THE RUBBER ELASTICITY OF LIGHTLY CROSSLINKED PRESWOLLEN POLYMERS WAS STUDIED BY TORSION MEASUREMENTS. THE EQUATION OF STATE OF RUBBER ELASTICITY WAS APPLIED TO EVALUATE THEIR FRONT FACTORS, WHICH WERE FOUND TO DECREASE LINEARLYAS A FUNCTION OF INCREASING DILUENT CONTENT. THIS RELATION IS INDEPENDENT OF THE CROSSLINKER AND THE DILUENT USED, PROVIDED THAT THE DILUENT EXISTS IN MONOMERIC STATE. WHEN POLYMERIC DILUENTS ARE USED, THE DECREASE OF PHI BECOMES MUCH SHARPER. PROPERTIES OF DESWOLLEN POLYMER NETWORKS WERE ALSO INVESTIGATED. LITTLE CHANGE WAS OBSERVED BEFORE AND AFTER DESWELLING. THESE RESULTS ARE DISCUSSED IN THE LIGHT OF THE KINETIC THEORY OF RUBBER ELASTICITY. (AUTHOR-PL).

Document Details

Document Type
Technical Report
Publication Date
Jan 01, 1963
Accession Number
ADA952728

Entities

People

  • Arthur V. Tobolsky
  • M. C. Shen

Organizations

  • Princeton University

Tags

DTIC Thesaurus Topics

  • Elastic Properties
  • Equations
  • Kinetic Theory
  • Mathematics
  • Measurement

Fields of Study

  • Materials science

Readers

  • Fluid Dynamics.
  • Mechanical Engineering/Mechanics of Materials.
  • Polymer Science and Engineering.