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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 44, Number 6
JKCSEZ 44(6)
December 20, 2000

Title	A New Equation of State for Polymeric Liquids 고분자 액체에 대한 새로운 상태방정식
Author	Hae Young Jung 정해영
Keywords
Abstract	고분자액체의 상태방정식을 구하기 위하여 많은 이론들이 제안되어 왔다. 이론들의 대부분은 cell, hole, free volume 또는 lattice 등의 개념에 근거를 두고 있다. 가장 성공적인 이론중의 하나로 평가받고 있는 것이 free volume의 개념을 근거로 한 Flory의 상태방정식 이론이다. 본 연구에서는 Flory 이론에서 사용한 van der Waals 포텐셜을 수정하여 새로운 상태방정식을 만들었다. 계산결과 새로운 상태방정식은 Flory 이론보다 PVT 실험값과 더 잘 일치함을 알 수 있었다. Many theories have been suggested to obtain an equation of state for polymeric liquids. Most of them are based on the concepts of cell, hole, free volume or lattice etc. One of the most succesful theories is an equation of state theory of Flory and his coworkers based on the concept of free volume. In this work, van der Waals potential used in Flory’s theory was modified, giving a new equation of state for polymeric liquids. The calculated results showed that the new equation of state gave better agreement with experimental PVT data than Flory’s theory.
Page	587 - 591
Full Text	PDF

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