TY - JOUR ID - 13578 TI - Theoretical Study of Polyethylene Crystallization Using Modified Weighted Density Approximation (MWDA) JO - Physical Chemistry Research JA - PCR LA - en SN - 2322-5521 AU - Razeghizadeh, Alireza AU - Rafee, Vahdat AD - payame noor university Y1 - 2016 PY - 2016 VL - 4 IS - 2 SP - 209 EP - 219 KW - Modified weighted density KW - Polymer KW - Crystallization KW - PRISM simulations DO - 10.22036/pcr.2016.13578 N2 -       In this article, the crystallization of polyethylene is investigated by the modified weighted density approximation. Also, a direct correlation function of polyethylene based on the RISM theory is used. The free energy of a polyethylene is calculated using the density functional theory. The crystallization and also the solid and liquid densities of polyethylene are calculated and compared with the PRISM simulations and experimental results. It is shown that the results obtained by modified weighted density approximation (MWDA) are in a better agreement with the experimental results rather than the PRISM simulations. UR - https://www.physchemres.org/article_13578.html L1 - https://www.physchemres.org/article_13578_7dbe2ec81961a6cece133e6ce22fd8d0.pdf ER -