Wetting transitions of asymmetric binary polymer mixtures
作者:
Zheng Yu Chen,
Jaan Noolandi,
期刊:
Macromolecular Theory and Simulations
(WILEY Available online 1992)
卷期:
Volume 1,
issue 1
页码: 31-35
ISSN:1022-1344
年代: 1992
DOI:10.1002/mats.1992.040010104
出版商: Hüthig&Wepf Verlag
数据来源: WILEY
摘要:
AbstractWe examine the effect on surface‐wetting phase transitions in polymer mixtures when the degrees of polymerization of the two components are different. It has been demonstrated by Schmidt and Binder (J. Phys. (Paris)46, 1631 (1985)) that in a symmetric polymer mixture a second‐order wetting transition occurs if the wall‐polymer interactionf(ϕ0) has a negative curvaturef″(ϕ0), where ϕ0is the surface volume fraction of the polymer component preferred by the wall. We found that in an asymmetric mixture this is not necessaril
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