%0 Journal Article
%T An Analytical Equation of State Extended to Copolymers
%J Journal of Physical Chemistry & Eleectrochemistry
%I Marvdasht Branch, Islamic Azad University
%Z 2008-9228
%A Hosseini, seyyed mostafa
%D 2017
%\ 12/01/2017
%V 5
%N 1
%P 155-164
%! An Analytical Equation of State Extended to Copolymers
%K Equation of state
%K Copolymer melts
%K thermodynamic properties
%R
%X calculate some thermodynamic properties of molten polymers including specific volume and isothermal compressibility (S.M. Hoseini, Physical Chemistry & Electrochemistry, 2 (2014) 56-65). This work extended that EOS to predict the volumetric properties of some molten ethylene copolymers including ethylene/1-octene, ethylene/1-butene (xethylene equal to 0.8543 and 0.563), ethylene/propene. The ability of the extended EOS was checked by comparing the results with 738 literature data points for the specific volumes over the temperature range from 422.35-505.89 K and pressure range from 0.1 up to 200 MPa. The average absolute deviation (AAD) of the calculated specific volumes from literature data was found to be 1.12%. The isothermal compressibility coefficients, κT have also been predicted using ISM EOS. From 180 data points examined, the AAD of estimated κT was equal to 8.48%. Our calculations on the volumetric and thermodynamic properties of studied copolymers reproduced the literature data with reasonably good accuracy. Equation of state, Copolymer melts, Thermodynamic properties
%U http://jpe.miau.ac.ir/article_1713_9ebd7c0c9572998e1660213fd28e1f3c.pdf