Method For Producing Polyoxymethylenes
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United States of America Patent
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Issued Date -
Apr 24, 2008
app pub date -
Mar 15, 2006
filing date -
Mar 16, 2005
priority date (Note) -
Abandoned
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Abstract
A process for the preparation of polyoxymethylenes by cationic polymerization of the monomers a) in the presence of initiators b) and, if appropriate, in the presence of regulators c) and subsequent deactivation and isolation of the polymer, wherein the total amount of proton donors is less than 5000 ppm in the entire polymerization.
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