scattering from ramified polymeric systems

Clicks: 282
ID: 213142
2004
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Abstract
Here, of great interest to us is a quantitative study of the scattering properties from ramified polymeric systems of arbitrary topology. We consider three types of systems, namely ramified polymers in solution, ramified polymer blends, or ternary mixtures made of two ramified polymers of different chemical nature immersed in a good solvent. To achieve the goal of the study, use is made of the Random Phase Approximation. First we determine the exact expression of the form factor of an ideal ramified polymer of any topology, from which we extract the exact expression of its gyration radius. Using the classical Zimm's formulae and the exact form factor, we determine all scattering properties of these three types of ramified polymeric systems. The main conclusion is that ramification of the chains induces drastic changes of the scattering properties.
Reference Key
m.benhamou2004condensedscattering Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;M.Benhamou;N.Ghaouar;A.Gharbi;M.Benmouna
Journal conference on human factors in computing systems - proceedings
Year 2004
DOI
10.5488/CMP.7.1.179
URL
http://dx.doi.org/10.5488/CMP.7.1.179
Keywords
solubility colloids swelling segregation polymer melts

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