Ketene dimer sizing agent for paper making
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United States of America Patent
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Sep 8, 1992
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app pub date -
Feb 4, 1991
filing date -
Apr 28, 1989
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Abstract
The present invention relates to a ketene dimer sizing agent for paper making comprising a dispersed phase containing a ketene dimer and an aqueous continuous phase containing a dispersing agent, characterized by containing polymeric aluminum hydroxide and/or polymeric aluminum chloride. The ketene dimer sizing agent for paper making of the present invention can be preferably used in, for instance, a neutral paper making and the like since it is excellent in sizing effect and storage stability.
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