Paper products and methods and systems for manufacturing such products
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United States of America Patent
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Sep 16, 2014
Grant Date -
Aug 19, 2010
app pub date -
Apr 27, 2010
filing date -
Apr 30, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
Methods of producing cellulosic or lignocellulosic materials for use in papermaking include treating a cellulosic or lignocellulosic dry feedstock having a first average molecular weight with ionizing radiation, and controlling the dose of ionizing radiation such that the average molecular weight of the feedstock is reduced to a predetermined level. A method of producing an irradiated paper product includes treating a paper product including a first carbohydrate-containing material having a first molecular weight with ionizing radiation, and controlling the dose of ionizing radiation so as to provide an irradiated paper product with a second carbohydrate-containing material having a second molecular weight higher than the first molecular weight. Pulp and paper products are produced.
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International Classification(s)
- D21B:FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMEN....
- C12P:FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESI....
- D21H:PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED....
- D21G:CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21F:PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER ....
- D21C:PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE ....
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