Solid catalyst component for polymerization of olefins, catalyst for polymerization of olefins, and method for producing olefin polymer
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United States of America Patent
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Jun 20, 2017
Grant Date -
Aug 27, 2015
app pub date -
Sep 24, 2013
filing date -
Sep 28, 2012
priority date (Note) -
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Abstract
A solid catalyst component for olefin polymerization makes it possible to polymerize an olefin with high polymerization activity when used for an olefin polymerization catalyst, and produce an olefin polymer having a low fine powder content, a low coarse powder content, and a low volatile organic compound (VOC) content in high yield. The solid catalyst component for olefin polymerization is produced by suspending (a) a dialkoxymagnesium, and (b) at least one alcohol selected from ethanol, n-propanol, n-butanol, isopropanol, isobutanol, and t-butanol, in an inert organic solvent so that the total amount of the alcohol is 0.5 to 1.5 parts by mass based on 100 parts by mass of the dialkoxymagnesium, to prepare a suspension, and bringing (c) an internal electron donor and (d) a titanium halide compound into contact with the suspension.
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