N-alkoxy-4, 4-dioxy-polyalkyl-piperidines as radical polymerization initiators
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United States of America Patent
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Jan 11, 2011
Grant Date -
Jul 26, 2007
app pub date -
Mar 29, 2007
filing date -
Nov 12, 2001
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Expired
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Abstract
The present invention relates to selected glycidyl or carbonyl functional N-alkoxy-4,4-dioxy-polyalkyl-piperidine compounds forming an open chain or cyclic ketal structure, a polymerizable composition comprising a) at least one ethylenically unsaturated monomer and b) a glycidyl or carbonyl functional N-alkoxy-4,4-dioxy-polyalkyl-piperidine nitroxide initiator compound. Further aspects of the present invention are a process for polymerizing ethylenically unsaturated monomers and the use of glycidyl or carbonyl functional N-alkoxy-4,4-dioxy-polyalkyl-piperidine nitroxide initiators for radical polymerization.
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