Production of paper and board

Details Production of paper and board Production of paper and board

D - Textiles, Paper

21

H

9/51

D21H 17/37 (2006.01) D21H 17/53 (2006.01) D21H 17/68 (2006.01) D21H 21/10 (2006.01) D21H 23/76 (2006.01)

Patent

CA 1168404

ABSTRACT The drainage and retention properties of an aqueous cellulosic suspension substantially free of filler and which is being used for the production of paper or paper board are improved by including a water soluble high molecular weight substantially non-ionic polymer and a bentonite-type clay.

347829

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