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REFINING ASSISTING AGENT AND REFINING METHOD USING THE SAME
REFINING ASSISTING AGENT AND REFINING METHOD USING THE SAME
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机译:精炼辅助剂和使用该精炼辅助剂的精制方法
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摘要
A refining assisting agent comprising sulfonatedchitosan has been provided. With the addition of thesulfonated chitosan according to the present invention,power needed in the refining can be remarkably reducedcompared with that needed in the conventional refining. Inaddition, the refining assisting additive improves paperstrength.
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