A DIELECTRIC STUDY OF PLASTICIZED POLYVINYLIDENE CHLORIDE | Zendy

B. Lionel Funt | Zendy; T. H. Sutherland | Zendy

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A DIELECTRIC STUDY OF PLASTICIZED POLYVINYLIDENE CHLORIDE

Author(s) -

B. Lionel Funt,

T. H. Sutherland

Publication year - 1955

Publication title -

canadian journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.323

H-Index - 68

eISSN - 1480-3291

pISSN - 0008-4042

DOI - 10.1139/v55-203

Subject(s) - plasticizer , polyvinyl chloride , chemistry , vinyl chloride , dielectric , enthalpy , polymer chemistry , chloride , dispersion (optics) , composite material , copolymer , materials science , thermodynamics , organic chemistry , polymer , physics , optoelectronics , optics

The electrical response of plasticized polyvinylidene chloride has been studied over a wide range of frequency, temperature, and plasticizer content. The dispersion region was shifted to lower temperatures at a given frequency on the addition of alpha chloronaphthalene as plasticizer, but remained practically unchanged with hexachlorobenzene as plasticizer. Comparison was made with mechanical measurements for plasticized vinylidene chloride copolymers and reasonable agreement between electrical and mechanical properties was found. Enthalpies and entropies for dielectric relaxation were calculated on the theory of absolute reaction rates and were compared with values for plasticized polyvinyl chloride. A calculation of plasticizer efficiency from electrical measurements was attempted on the basis of a method suggested by Dyson. An interesting empirical relationship between enthalpy and entropy of activation and plasticizer content in polyvinyl chloride and polyvinylidene chloride is presented.

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