Dielectric Dispersion in Dilute Solutions of Several Para-Substituted Polystyrenes

  • B. Baysal
  • B. A. Lowry
  • H. Yu
  • W. H. Stockmayer
Conference paper

Abstract

Dielectric loss measurements are reported for polymers of several styrene derivatives in dilute benzene or toluene solution in the range 3–50 MHz and from about -10°C to +30°C. For polymers of 4-fluorostyrene and 4-chlorostyrene, as well as for a styrene/ 4-vinylpyridine 2/1 copolymer, the frequency of maximum dielectric loss at 300°K is about 30 to 40 MHz and the activation energy is about 5 kcal/mole. These results are in fair accord with acoustic and magnetic relaxation data on polystyrene solutions. Fragmentary results on polymers of p-methoxystyrene and p-fluoro-α-methylstyrene are described. Dipole moments in benzene are also reported.

Keywords

Dipole Moment Cationic Polymerization Dielectric Dispersion Dielectric Loss Factor Monomer Reactivity Ratio 
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Copyright information

© Plenum Press, New York 1972

Authors and Affiliations

  • B. Baysal
    • 1
  • B. A. Lowry
    • 1
  • H. Yu
    • 1
  • W. H. Stockmayer
    • 1
  1. 1.Department of ChemistryDartmouth CollegeHanoverUSA

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