Application of Continuous Thermodynamics to Polymer Fractionation
作者:
M.T. Ratzsch,
H. Kehlen,
L. Tschersich,
期刊:
Journal of Macromolecular Science: Part A - Chemistry
(Taylor Available online 1989)
卷期:
Volume 26,
issue 7
页码: 921-935
ISSN:0022-233X
年代: 1989
DOI:10.1080/00222338908052021
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Continuous thermodynamics was developed in recent years and applied successfully to the liquid-liquid equilibrium of poly disperse polymer solutions. Continuous thermodynamics is based on the direct use of continuous distribution functions in the thermodynamic equations. There is no need for a reduction to pseudocomponents. This paper presents the application of continuous thermodynamics to successive polymer fractionation procedures based on solubility differences. In this way, simple equations for the distribution function of the different polymer fractions are obtained. Furthermore, the other equations describing the fractionation possess a lucid structure favorable for computer simulations of the fractionation procedures.
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