Method for dissolving cellulose and for producing cellulose particles
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United States of America Patent
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Jul 22, 2014
Grant Date -
Jan 15, 2009
app pub date -
Jun 27, 2006
filing date -
Jul 1, 2005
priority date (Note) -
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Abstract
The invention relates to a method for dissolving cellulose e.g. for the production of regenerated cellulose products such as films, fibers, particles and the like. In said method, the cellulose material is dissolved using an enzymatic treatment, followed by a base treatment. The invention is also directed to a method for producing cellulose particles wherein cellulose dissolved as described above is sprayed or mixed into a regenerating solution for precipitating cellulose particles. Moreover, the invention relates to the use of said cellulose particles produced with this method as a filler and/or coating pigment of paper and board. The invention is also directed to methods for producing and coating paper and board.
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