Method for dispersing cellulose based fibers in water
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United States of America Patent
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Dec 15, 1998
Grant Date -
N/A
app pub date -
Nov 6, 1995
filing date -
Feb 2, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention describes a method for dispersion of cellulose based fibers in water. The raw material, which particularly may be recycled paper, is first wetted with water. By a combination of addition of hydrocolloid which binds water, and strong kneading at high solid content, the mixture is transformed into a modulable paste. The high viscosity of the paste effectively conveys the shear forces of the kneading machine to make the fibers flexible and tear them apart. When the kneading is terminated, the hydrocolloid prevents the fibers from reassociation into fiber bundles.
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