Detection of Glass Transition in Poly(vinyl butyral) Thin Films with a Quartz Crystal Resonator on Different Overtones

Abstract:

We demonstrate that that a quartz crystal resonator (QCR) is applicable to investigate the glass transition of the Poly (vinyl butyral) (PVB) thin films by the simultaneous measurement of both resonant frequency and bandwidths on several overtones. The response of resonant frequency and bandwidths of film coated quartz crystal directly reflects the information about surface mass and film shear modulus. This enable us to explicitly deduce the glass transition temperature and the shear modulus parameter of PVB thin films on different overtones from the frequency shift and the bandwidths shift. These results indicate the feasibility of using QCR technique to characterize glass transition temperature and viscoelastic properties of the PVB thin films.

• Periodical: Advanced Materials Research (Volumes 971-973)
• Pages: 39-43
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.971-973.39
• Online since: June 2014
• Authors: Xue Feng Tang*, Lu Lu Wang, Kai Liu, Da Ming Zhu
• Keywords: Glass Transition, Poly(vinyl butyral), Quartz Crystal Resonator (QCR), Shear Modulus

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