Publikation: Aqueous catalytic polymerization of olefins
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Catalytic conversions in aqueous environments by transition metal complexes have become a well-established field over the past two decades. However, the vast majority of investigations have focussed on small-molecule synthesis. This may appear somewhat surprising as water is a particularly attractive reaction medium, especially for polymerization reactions. For example, aqueous emulsion and suspension polymerization is carried out today on a large scale by noncatalytic free-radical routes. Polymer latices can be obtained as a product, that is, stable aqueous dispersions of polymer particles in the size range of 50 to 1000 nm. Such latices possess a unique property profile. Amongst other advantages, the use of water as a dispersing medium is particularly environmentally friendly. In comparison to these free-radical reactions, aqueous catalytic polymerizations of olefinic monomers have received less attention. However, considerable advances and an increased awareness of this field have emerged during the past few years. A variety of high molecular weight polymers ranging from amorphous or semicrystalline polyolefins to polar-substituted hydrophilic materials have now been prepared by catalytic polymerization of olefinic monomers in water. Polymer latices based on a number of readily available monomers are accessible and catalytic activities as high as 105 turnovers per hour have already been reported. As another example, materials prepared by aqueous catalytic polymerization have been investigated as protein inhibitors. A versatile field spanning colloids, polymer, and coordination chemistry has emerged.
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MECKING, Stefan, Anke HELD, Florian Martin BAUERS, 2002. Aqueous catalytic polymerization of olefins. In: Angewandte Chemie / International Edition. 2002, 41(4), pp. 544-561. ISSN 1433-7851. eISSN 1521-3773. Available under: doi: 10.1002/1521-3773(20020215)41:4<544::AID-ANIE544>3.0.CO;2-UBibTex
@article{Mecking2002Aqueo-9758, year={2002}, doi={10.1002/1521-3773(20020215)41:4<544::AID-ANIE544>3.0.CO;2-U}, title={Aqueous catalytic polymerization of olefins}, number={4}, volume={41}, issn={1433-7851}, journal={Angewandte Chemie / International Edition}, pages={544--561}, author={Mecking, Stefan and Held, Anke and Bauers, Florian Martin} }
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