Abstract
AbstractThe random phase approximation for polymer blends was developed by H. Benoît and described small angle scattering functions as well as mean field phase boundaries. It is a pure mean field theory that loses validity close to the real phase boundaries due to strong fluctuations. However, it gives a very clear roadmap about phase diagrams and scattering functions. A simplification of the random phase approximation is discussed that comes into effect when several polymers are mixed that involve a rather low number of chemically different repeat units. Then, the correlation functions of the same repeat unit pairs can be added up in a specific way such that the overall complexity for the calculations is reduced. The scattering functions and mean field phase boundaries are discussed within this concept.
Graphical abstract
Funder
Forschungszentrum Jülich GmbH
Publisher
Springer Science and Business Media LLC
Subject
Materials Chemistry,Colloid and Surface Chemistry,Polymers and Plastics,Physical and Theoretical Chemistry
Cited by
1 articles.
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