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US5626718A Use of polymers in the recycled fiber washing/deinking process 失效
在再循环纤维洗涤/脱墨过程中使用聚合物

Use of polymers in the recycled fiber washing/deinking process
摘要:
The present invention is directed to a method for increasing the retention on a washing/thickening device in an aqueous papermaking system. The method generally comprises adding to the furnish solids of the system an effective amount of a cationic polyacrylamide polymer.
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