Method of modifying the opacity of paper and paper produced thereby
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United States of America Patent
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Mar 12, 1996
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N/A
app pub date -
May 12, 1995
filing date -
Jun 24, 1994
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Abstract
A method of enhancing the opacity of paper and paper of enhanced opaqueness is provided wherein a reaction product of dimerized acid and alkanol diamine an further including a surfactant, is added to a slurry of cellulose fibers in a papermaking process. A viscosity controlling gent may be added to the reaction product.
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