Method for manufacturing a sheet of paper or non-woven in a foam medium using a nonionic surfactant
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United States of America Patent
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Aug 15, 2000
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N/A
app pub date -
Oct 28, 1996
filing date -
Feb 1, 1994
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Abstract
The object of the invention is a method for manufacturing in a foam medium a sheet of paper or non-woven. In the invention, the surfactant used to form the foam is a nonionic compound of an ethoxylated alcohol of the Formula I: R--(OCH.sub.2 CH.sub.2).sub.n --OH (I) wherein n is an integer from 2 to 22 and R is a linear or branched alkyl group having 6 to 20 carbon atoms or where R is in the form of R'--X wherein X is an aromatic nucleus and R' is a linear or branched alkyl group having 2 to 16 carbon atoms. In particular, the invention applies to making household papers such as paper towels.
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