Additive for paper making

Details Additive for paper making Additive for paper making

2006-08-22

2006-08-22

Hug, Eric (Department: 1731)

Paper making and fiber liberation

Processes and products

Non-fiber additive

C162S149000, C162S185000

Reexamination Certificate

active

07094319

ABSTRACT:
The object of the invention is an additive for paper making by means of which the dusting tendency of paper can be reduced. The agent is based on starch, the molecular size of which has been reduced, and which has been cationized to a charge of less than 1.5 meq/g with a quaternary nitrogen compound. The agent is added to the fiber pulp for paper making prior to web formation.

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Smook, G.A., Handbook for Pulp and Paper Technologies, Chapters 1 and 2, pp. 1-19(1992).

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