Paper making and fiber liberation – Processes and products – Non-fiber additive
Patent
1996-08-21
1998-03-03
Czaja, Donald E.
Paper making and fiber liberation
Processes and products
Non-fiber additive
162174, 162199, 162DIG4, D21H 1744, D21C 908
Patent
active
057230218
ABSTRACT:
Compositions and methods for inhibiting the deposition of organic contaminants from pulp in pulp and papermaking systems are disclosed. The methods add to the pulp or to the deposition prone surface of the papermaking system a composition comprising a polyvinyl alcohol having 50 to 100% hydrolysis, a high molecular weight gelatin having a molecular weight of about 100,000 or higher, and a cationic polymer.
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Pulp and Paper, James Casey, vol. III, 3d ed., pp. 1587-1588.
BetzDearborn Inc.
Czaja Donald E.
Nguyen Dean T.
Ricci Alexander D.
Von Neida Philip H.
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