High molecular weight cationic polymers obtained by post-polymerization crosslinking reaction
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United States of America Patent
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Sep 16, 2008
Grant Date -
Oct 11, 2007
app pub date -
May 24, 2007
filing date -
Aug 15, 2002
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Expired
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Abstract
The molecular weight of cationic polymers, such as diallyldialkyl ammonium chloride, can be increased by controlled addition of a water-soluble radical initiator at an elevated reaction temperature with agitation to prepare high molecular weight, crosslinked, water-soluble cationic polymers.
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