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IJPAP Vol.45(12) [December 2007] >


Title: Copolymer formation through ultrasonic and viscosity measurements
Authors: Akhare, V P
Burghate, D K
Deogaonkar, V S
Keywords: Copolymer
Ultrasonic velocity
Viscosity
Adiabatic compressibility
Issue Date: Dec-2007
Publisher: CSIR
IPC CodeB06b
Abstract: Ultrasonic velocity (U), viscosity (η), adiabatic compressibility (βa) and viscous relaxation time (τ) have been measured in binary mixtures of polyvinyl chloride (PVC) and polyvinyl acetate (PVAc) in tetrahydrofuran (THF) at different temperatures 298, 303, 308, 313 and 318K at frequency 2 MHz. The observed maxima in ultrasonic velocity, viscosity, relaxation time and minima in adiabatic compressibility are attributed to molecular interactions between PVC and PVAc due to proton donor-acceptor interactions.
Page(s): 984-986
ISSN: 0019-5596
Source:IJPAP Vol.45(12) [December 2007]

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