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- W2107789499 abstract "Vinyl ethers, 1-olefins, and styrene were homo- and copolymerized by the use of catalyst derived from a mixture of lithium tetraalkylaluminate (LiAlR 4 ), aluminum chloride (AlCl 3 ), and titanium tetrachloride (TiCl 4 ), in order to determine the nature of the active components present.It is postulated that the active catalyst in the stereospecific polymerization of vinyl ethers is ether-coordinated TiCl 3 •LiCl, while in the polymerization of 1-olefins and styrene, it is the alkylated derivatives of TiCl 3 •LiCl.For homo- and copolymerization of styrene, AlR 3 seems to be the preferred alkylating agent. About 3 to 4 equivalents of AlR 3 are needed for complete alkylation of TiCl 3 •LiCl, probably due to heterogeneity of the system.Highly isotactic polystyrene and copolymers of styrene with 1-olefins can be prepared in good yields by the use of this catalyst." @default.
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- W2107789499 date "1981-05-15" @default.
- W2107789499 modified "2023-10-18" @default.
- W2107789499 title "Investigation of a Ziegler–Natta catalyst system derived from a mixture of lithium tetraalkylaluminate, aluminum chloride, and titanium tetrachloride and its usefulness in polymerizations involving styrene" @default.
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- W2107789499 doi "https://doi.org/10.1139/v81-209" @default.
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