Viscometric and thermodynamic studies of poly butadiene rubber in toluene at various temperatures. | [Physics and chemistry • 2003]

Author(s):

1. Mohammad Saleem Khan: National Center of Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan

2. Amin-Ur-Rehman: National Center of Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan

3. Khaista Gul: National Center of Excellence in Physical Chemistry, University of Peshawar, Peshawar, Pakistan

4. Mian Said Wahid: Govt. Postgraduate Jehanzeb College, Saidu Sharif, Swat, Pakistan

Abstract:

Behavior of poly (butadiene) rubber used in local tyre industry was studied in a common solvent in the temperature range of 288-348K by viscosity techniques. Huggin`s and Kraemer`s equations were used to determine the intrinsic viscosity, which showed increase with temperature. Thermodynamic parameters like AG, AH„ and AS, were determined showing orientation and uncoiling of molecules during flow and system becoming more ordered. Hydrodynamic volume values are reported at different temperatures and discussed.

Page(s): 57-63

DOI: DOI not available

Published: Journal: Physics and chemistry, Volume: 14, Issue: 1, Year: 2003

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