Preparation of alkyl ketene dimers
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United States of America Patent
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Jun 14, 2011
Grant Date -
Jul 26, 2007
app pub date -
Jan 3, 2007
filing date -
Jan 3, 2006
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Expired
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Abstract
The embodiments of the process of the present invention relate to the preparation of alkyl ketene dimers (AKD), where the process combines at least one polyamine with a fatty acid chloride in a molar ratio of less than one mole of polyamine to one mole of fatty acid chloride thereby forming an alkyl ketene dimer/amine salt that is subsequently separated into an organic dimer layer and an aqueous salt layer.
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