Method of forming beater-saturated sheet using carbonate ion
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United States of America Patent
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Aug 1, 1989
Issued Date -
N/A
app pub date -
Oct 3, 1988
filing date -
Aug 1, 1983
priority date (Note) -
Expired
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Abstract
Method of forming a beater-saturated non-woven sheet by treating a slurry of papermaking fibers with alum and either sodium carbonate or a mixture of sodium bicarbonate and sodium hydroxide to achieve a pH in the range of about 7-9 followed by adding a binder latex which deposits on the fibers, and finally forming a sheet from the resulting slurry.
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