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US 9,145,646 B2Granted
Method of using aldehyde-functionalized polymers to increase papermachine performance and enhance sizing
AssigneeNalco Company
InventorsBradley J. Benz, William C. Johnson, Mei Liu, Shawnee Wilson, Mark Grimm, Michael R. St. John
Life of this patent
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Abstract
Disclosed herein are compositions and methods to increase paper machine performance and enhance sizing. The compositions include a sizing agent, an emulsifier, and an aqueous component. The emulsifier may be an aldehyde-functionalized polymer. The sizing agent may be selected from rosin size, an alkyl ketene dimer, an alkenyl succinic anhydride, and any combination of these sizing agents.
Claims15
An emulsion comprising:
- a) a sizing agent;
- b) an emulsifier;
- and
- c) an aqueous component.
1 more element
An emulsion comprising:
- a) an alkenyl succinic anhydride (ASA) sizing agent;
- b) an emulsifier;
- and
- c) an aqueous component.
1 more element
Dependencies are inferred from the claim text.