Rheology pp 507-512 | Cite as

The Influence of Molecular Weight on the Rheological Parameters and Relaxation Spectrum of Poly (2,6-Dimethyl-1,4-Phenylene Oxide)

  • L. R. Schmidt
  • J. A. O. Emmanuel


Poly(2,6-dimethyl-1,4-phenylene oxide), PPO* resin, exhibits thermodynamic compatibility with polystyrene over the entire composition range. A single glass transition temperature (Tg) is observed for a blend of these polymers when measured by differential scanning calorimetry.1 This behavior is somewhat surprising considering the large differences between physical properties of these two homopolymers.


Intrinsic Viscosity Rheological Parameter Relaxation Spectrum Parallel Disk High Impact Polystyrene 
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  1. 1.
    A.R. Shultz and B.M. Gendron, J. Appl. Polym. Sci., 16: 461 (1972).CrossRefGoogle Scholar
  2. 2.
    L.R. Schmidt, J. Appl. Polym. Sci., 23: 246 (1979).CrossRefGoogle Scholar
  3. 3.
    J.D. Ferry, “Viscoelastic Properties of Polymers,” Wiley, New York (1970).Google Scholar

Copyright information

© Springer Science+Business Media New York 1980

Authors and Affiliations

  • L. R. Schmidt
    • 1
  • J. A. O. Emmanuel
    • 1
  1. 1.General Electric, Corporate Research & DevelopmentChemical LaboratorySchenectadyUSA

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