Inverse suspension polymerization of acrylamide |
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| Authors: | M.V. Dimonie C.M. Boghina N.N. Marinescu M.M. Marinescu C.I. Cincu C.G. Oprescu |
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| Affiliation: | 1. Central Institute of Chemistry, Technological Chemistry Faculty, Department of Macromolecular Chemistry, Splaiul Independentei 202 A R-77208, Bucharest, Romania;1. ICECHIM Center of Physical Chemistry, Romania;2. ICECHIM Dude?ti Chemical Factory Romania |
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| Abstract: | The polymerization of acrylamide in inverse suspension is described and compared with polymerization in solution. The influences of various factors upon the molecular weight of the polymer were studied, viz. the concentration of initiator, the procedure of aqueous phase addition, the nature and concentration of emulsifier, the salt concentration, the time between mixing of phases and start of polymerization etc. Conductometry, NMR and electron microscopy were employed in order to establish the reaction stages and the characteristics of the polymers. The results indicate the importance of each factor and lead to an understanding of the polymerization. |
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