Semi continuous process for the synthesis of a catalyst for use in the manufacture of polyolefins
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United States of America Patent
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May 26, 2015
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Feb 28, 2013
app pub date -
Dec 14, 2010
filing date -
Dec 22, 2009
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Abstract
A semi-continuous process and system thereof, for the synthesis of a narrow particle size distribution Zeigler Natta procatalyst for use in the manufacture of polyolefins. The process comprises: (a) mixing a reaction mixture containing a titanium compound; (b) charging a first reactor with said reaction mixture; (c) removing excess reactants from said first reactor as a filtrate; (d) feeding said filtrate to at least one further reactor; and continuously removing excess reactants from said at least further reactor.
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