Dielectric spectroscopy as an analytical technique for the characterization of polymeric solids

G. J. Pratt; M. J. A. Smith

doi:10.1117/12.279859

30 July 1997 Dielectric spectroscopy as an analytical technique for the characterization of polymeric solids

G. J. Pratt, M. J. A. Smith

Proceedings Volume 10291, Materials Characterization and Optical Probe Techniques: A Critical Review; 102910A (1997) https://doi.org/10.1117/12.279859
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

The dielectric method provides application data essential for the use of insulating and semi-insulating materials in electrical and electronic systems. At the microscopic level, measurements on polymers at radio frequencies and below can yield valuable information regarding dipole-driven modes of molecular and segmental motion, particularly when considered in conjunction with complementary data provided by other techniques.

Representative observations are presented for commercial homopolymers and blends to illustrate the utility of the dielectric method as an analytical technique for polymers. Its sensitivity ensures that dielectric spectroscopy is appropriate for the investigation of phase morphology and miscibility and for the characterization of changes induced by irradiation or the presence of additives.

Citation Download Citation

G. J. Pratt and M. J. A. Smith "Dielectric spectroscopy as an analytical technique for the characterization of polymeric solids", Proc. SPIE 10291, Materials Characterization and Optical Probe Techniques: A Critical Review, 102910A (30 July 1997); https://doi.org/10.1117/12.279859

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