Paper sizing methods and compositions

Details Paper sizing methods and compositions Paper sizing methods and compositions

D - Textiles, Paper

21

H

9/46, 9/49, 9/60

D21H 17/62 (2006.01) D21H 17/33 (2006.01) D21H 21/16 (2006.01) D21H 23/18 (2006.01) D21H 23/28 (2006.01)

Patent

CA 1325500

ABSTRACT PAPER SIZING METHODS AND COMPOSITIONS The manufacture of sized paper, by adding a sizing agent and an aluminium compound to paper-making stock or by surface-sizing paper with a pre-blend of the agent and the compound, is carried out at a neutral or alkaline pH, typically a pH above 6, and so that the agent and the compound are added simultaneously to the paper-making stock or are applied simultaneously to the paper surface. If the agent and the compound are used as a one-shot pre-blend, this is made on or immediately before use.

594070

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