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- W2076596901 abstract "A kinetic study of the polymerization of propene by use of magnesium–reduced titanium (IV) chloride-based catalyst systems has been carried out and the tacticities and molecular weights of the polymers formed have been investigated. The rate constant for the formation of isotactic polymer is estimated to be 69 ± 18 dm3/mole sec and that for the atactic polymer to be 12 ± 5 cm3/mole sec. The number of active sites producing atactic polymer has been determined as 3 ± 1% of the Ti atoms present, whereas sites producing isotactic material amount to 0.36 ± 0.13% of the Ti atoms. The overall tacticity of the polymers corresponds to approximately 40% isotactic material. This figure is barely affected by heat treatment of the catalyst." @default.
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- W2076596901 date "1978-07-01" @default.
- W2076596901 modified "2023-10-16" @default.
- W2076596901 title "Polymerization of propene with organomagnesium–reduced titanium (IV) chloride-based catalyst" @default.
- W2076596901 doi "https://doi.org/10.1002/pol.1978.170160720" @default.
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