Pressure-volume-temperature and excess molar volume prediction of amorphous and crystallizable polymer blends by equation of state

Fakhri Yousefi; Hajir Karimi; Maryam Gomar

doi:10.1016/j.cjche.2013.12.002

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Pressure-volume-temperature and excess molar volume prediction of amorphous and crystallizable polymer blends by equation of state

化工热力学 | Updated：2026-01-06

- Pressure-volume-temperature and excess molar volume prediction of amorphous and crystallizable polymer blends by equation of state
- Chinese Journal of Chemical Engineering Vol. 23, Issue 3, Pages: 541-551(2015)
- Affiliations：
  
  1. Department of Chemistry, Yasouj University, Yasouj,Iran,75914-353
  2. Department of Chemical Engineering, Yasouj University, Yasouj,Iran,75914-353
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2013.12.002
  CLC：
- Published：2015
- Accepted：
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Fakhri Yousefi, Hajir Karimi, Maryam Gomar. Pressure-volume-temperature and excess molar volume prediction of amorphous and crystallizable polymer blends by equation of state[J]. , 2015, 23(3): 541-551.
DOI：

Fakhri Yousefi, Hajir Karimi, Maryam Gomar. Pressure-volume-temperature and excess molar volume prediction of amorphous and crystallizable polymer blends by equation of state[J]. , 2015, 23(3): 541-551. DOI： 10.1016/j.cjche.2013.12.002.

摘要

Abstract

In this work the statistical mechanical equation of state was developed for volumetric properties of crystalline and amorphous polymer blends. The Ihm-Song-Mason equations of state (ISMEOS) based on temperature and density at melting point (

and

) as scaling constants were developed for crystalline polymers such as poly(propylene glycol)+poly(ethylene glycol)-200 (PPG+PEG-200)

poly(ethylene glycol) methyl ether-300 (PEGME-350)+PEG-200 and PEGME-350+PEG-600. Furthermore

for amorphous polymer blends containing poly(2

6-dimethyl-1

4-phenylene oxide) (PPO)+polystyrene (PS) and PS+poly(vinylmethylether) (PVME)

the density and surface tension at glass transition (

and

) were used for estimation of second Virial coefficient. The calculation of second Virial coefficients (

)

effective van derWaals co-volume (

) andcorrection factor (

) was required for judgment about applicability of this model. The obtained results by ISMEOS for crystalline and amorphous polymer blends were in good agreement with the experimental data with absolute average deviations of 0.84% and 1.04%

respectively.

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