Paper making and fiber liberation – Processes and products – Non-fiber additive
Patent
1992-08-24
1993-10-26
Jones, W. Gary
Paper making and fiber liberation
Processes and products
Non-fiber additive
162166, 1621682, 162199, D21H 1756
Patent
active
052562530
ABSTRACT:
The present invention provides for methods of inhibiting the formation and deposition of barium sulfate on the surfaces of papermaking systems. The inventive treatments comprise adding an effective amount of a poly(amine) compound to the papermaking systems. Representative polymers include polyallylamine, polytrimethylallylammonium chloride and polyvinylamine.
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patent: 4765867 (1988-08-01), Dreisbach et al.
patent: 4937002 (1990-06-01), Bainbridge et al.
patent: 5038861 (1991-08-01), Shuler
patent: 5059333 (1991-10-01), Hen
Sanborn, J. R., "Non Biological Deposits Associated w/ Slime Problems", Paper Trade J., Mar. 29, 1965, pp. 42-43.
Dreisbach David D.
Fisher Alexander D.
Zidovec Davor F.
Betz PaperChem Inc.
Jones W. Gary
Nguyen Dean Tan
Ricci Alexander D.
Von Neida Philip H.
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