Process for the production of living (co)polymers and use of the (co)polymers
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United States of America Patent
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Jul 13, 2004
Grant Date -
Jan 30, 2003
app pub date -
Jun 12, 2002
filing date -
Oct 12, 2000
priority date (Note) -
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Abstract
The purpose of the present invention is to provide polymerization catalyst which can produce quite efficiently (co)polymer having number average molecular weight and number of molecules which are accurately controlled in producing method of (co)polymer by the polymerization of polar unsaturated compound, and provide living polymerized (co)polymer obtained according to the producing method. For the purpose, polymerization catalyst composition which comprises the composition comprising organic oxysalt compound and hydroxycarbonyl compound having at least both an alcoholic hydroxyl group and a carbonyl group in the same molecule is provided and the polar unsaturated compound is polymerized by using the polymerization catalyst composition. The composition containing the obtained (co)polymer were able to provide thermosetting powder coating composition having particularly excellent characteristics.
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