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Sensors 2009, 9(12), 9544-9558; doi:10.3390/s91209544

Determination of Viscoelastic Property in Polyethylene Crystallization Using a Quartz Crystal Resonator

1
Department of Mechanical Engineering, Dong-A University, 840 Hadan-dong, Pusan, 604-714, Korea
2
Department of Chemical Engineering, Dong-A University, 840 Hadan-dong, Pusan, 604-714, Korea
*
Author to whom correspondence should be addressed.
Received: 26 October 2009 / Revised: 16 November 2009 / Accepted: 26 November 2009 / Published: 30 November 2009
(This article belongs to the Section Chemical Sensors)
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Abstract

A new generalized relationship between the viscoelastic properties of an overlayer placed on the electrode interface of a quartz crystal resonator and its resonant characteristic is developed from the mechanics of the quartz movement. The relationship is used to estimate the viscoelastic properties from the experimentally measured resonant characteristic. It is utilized in the estimation of viscosity and elastic shear modulus of a polyethylene overlayer during its crystallization. The measurements are compared with the viscosity and elastic shear modulus of a polyethylene melt measured using a rheometer. It is found that the development of this study is useful in the determination of viscoelastic property of polymer materials by measuring the resonant frequency and conductance of the polymer overlayer placed on the resonator electrode. View Full-Text
Keywords: quartz crystal resonator; viscoelasticity; quartz mechanics; polymer crystallization quartz crystal resonator; viscoelasticity; quartz mechanics; polymer crystallization
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Suh, Y.K.; Kim, B.C.; Kim, Y.H. Determination of Viscoelastic Property in Polyethylene Crystallization Using a Quartz Crystal Resonator. Sensors 2009, 9, 9544-9558.

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