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測量應用案例-71-200SM

發(fā)布時間:2015-08-28  點擊次數(shù):433  新聞來源:
 

文獻名: On the Reaction Characteristics of Miniemulsion Polymerization with Aqueous Phase Initiation – Experiments and Modeling

作者: Tom G. T. Jansen, Jan Meuldijk,* Peter A. Lovell, Alex M. van Herk
Prof. J. Meuldijk, T. G. T. Jansen
Laboratory of Chemical Reactor Engineering/Polymer Reaction Engineering, Department of Chemical Engineering and Chemistry, Postbus 513, 5600 MB, Eindhoven, The Netherlands
Prof. P. A. Lovell
Materials Science Centre, The University of Manchester, Grosvenor Street, Manchester, M1 7HS, UK
Prof. A. M. van Herk
Institute of Chemical and Engineering Sciences, 1 Pesek Road, Jurong Island 627833 , Singapore

摘要:Miniemulsions, consisting of submicron droplets of very hydrophobic lauryl methacrylate or 4-tert-butyl styrene, are successfully polymerized using water-soluble sodium persulfate. Monitoring the calorimetric profile as well as the droplet and particle size distribution with conversion manifests a process of monomer redistribution, droplet disappearance, and narrowing of the particle size distribution. The observed reaction characteristics could be modeled adequately, using thermodynamic principles. The results of the work presented do not only have predicting value, but also enfeeble the idea of a one-to-one translation of monomer droplets into polymer particles in miniemulsion polymerization

關鍵詞:lauryl methacrylate; miniemulsion polymerization; particle size distribution; phase equilibria; reaction calorimetry

 
 
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