Reducing foaming in paper manufacture

Details Reducing foaming in paper manufacture Reducing foaming in paper manufacture

D - Textiles, Paper

21

H

D21H 21/12 (2006.01) D21H 17/16 (2006.01) D21H 17/17 (2006.01) D21H 17/65 (2006.01)

Patent

CA 2074066

2074066 9110776 PCTABS00006 The use as a foam suppressant in alkaline or neutral paper making employing calcium carbonate as filler of a water soluble salt of a polybasic acid improves paper machine utilisation and reduces the formation of white pitches in the paper particularly when the paper is sized with an alkyl or alkenyl succinic acid anhydride and other reactive sizing compounds.

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