Living polymerization and block copolymerization of alpha-olefins by an amine bis(phenolate) titanium catalyst |
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| Authors: | Tshuva E Y Goldberg I Kol M Goldschmidt Z |
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| Institution: | School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978, Israel. |
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| Abstract: | An amine bis(phenolate) dibenzyl titanium complex having a methoxy donor on a side arm leads, upon activation with tris(pentafluorophenyl)borane, to unique living properties in alpha-olefin polymerization: exceptionally high molecular weight poly(1-hexene) is obtained in a living fashion at room temperature, living polymerization of 1-hexene is obtained above room temperature, and block copolymerization of 1-hexene and 1-octene at room temperature is described as well. |
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