Paper making and fiber liberation – Processes and products – Non-fiber additive
Patent
1994-07-20
1996-04-23
Chin, Peter
Paper making and fiber liberation
Processes and products
Non-fiber additive
162179, 162180, 1621812, 106218, 106238, 1062872, 10628723, 10628724, D21H 2116
Patent
active
055100031
ABSTRACT:
The invention relates to a method of sizing paper and similar cellulose products containing precipitated calcium carbonate as a filler. According to the method, an aqueous suspension of pulp is dewatered and dried in the presence of an aqueous dispersion of a rosin-based sizing agent, which comprises a rosin component and a rosin ester component, and an aqueous dispersion of a cellulose-reactive sizing agent. The invention also relates to an aqueous dispersion of sizing agents which comprises a rosin-based sizing agent, which contains a rosin component and a rosin ester component, and a cellulose-reactive sizing agent.
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Novak, R. W. and Rende, D. S., Tappi J., vol. 76, No. 8, p. 117 (1993).
Colasurdo, A. R. and Thorn, I., Tappi Journal, (1992), "Papermakers Conference Proceedings", Tappi Press, Atlanta, p. 135.
Colasurdo Anthony R.
Hiskens Ian R.
Morgan Nicholas S.
Smith Karen J.
Chin Peter
Eka Nobel AB
Mancini Ralph J.
Morris Louis A.
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