Nearly constant dielectric loss behavior in poly(3-hydroxybutyrate-co-3- hydroxyvalerate) biodegradable polyester

Shanming Ke; Haitao Huang; Li Ren; Yingjun Wang

doi:10.1063/1.3125271

Nearly constant dielectric loss behavior in poly(3-hydroxybutyrate-co-3- hydroxyvalerate) biodegradable polyester

Shanming Ke, Haitao Huang, Li Ren, Yingjun Wang

Research output: Journal article publication › Journal article › Academic research › peer-review

37 Citations (Scopus)

Abstract

The measurement of dielectric spectroscopy over a broad frequency range of 0.01- 107Hz has been conducted to examine the segmental motions in poly[3-hydroxybutyrate-co-3-hydroxyvalerate] (PHBV) biopolymers. The ac conductivity at either low temperatures or high frequencies is almost temperature independent, indicating clearly that the nearly constant loss (NCL) phenomenon also takes place in polymers. The respective data were analyzed by adding a NCL term to the Jonscher relation. NCL in PHBV is discussed to be originated from the vibrational motion model. PHBV may have potential application as a biodegradable dielectric material.

Original language	English
Article number	096103
Journal	Journal of Applied Physics
Volume	105
Issue number	9
DOIs	https://doi.org/10.1063/1.3125271
Publication status	Published - 22 Jun 2009

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1063/1.3125271

http://hdl.handle.net/10397/3280

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Nearly constant dielectric loss behavior in poly(3-hydroxybutyrate-co-3- hydroxyvalerate) biodegradable polyester

Abstract

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