Paper making and fiber liberation – Processes and products – Non-fiber additive
Patent
1996-06-07
1996-03-26
Chin, Peter
Paper making and fiber liberation
Processes and products
Non-fiber additive
1621682, 1621683, 162183, D21H 2110
Patent
active
055017720
ABSTRACT:
A composition comprising an aqueous cellulosic furnish, a high molecular weight cationic polymer, and a modified lignin wherein the ratio of the cationic polymer to the modified lignin is from about 10:1 to 1:10 on an active basis is disclosed. A process employing this composition for making paper or paperboard having improved drainage, retention and formation properties is also provided.
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Elliott David L.
Falcione Ronald J.
Hunter Wood E.
Calgon Corporation
Chin Peter
Cochenour Craig G.
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