Paper making and fiber liberation – Processes and products – Non-fiber additive
Patent
1987-09-22
1989-01-03
Chin, Peter
Paper making and fiber liberation
Processes and products
Non-fiber additive
1621682, 1621683, 1621816, 162183, D21H 336
Patent
active
047955317
ABSTRACT:
A method of enhancing the dewatering of paper during the papermaking process which includes adding a low molecular weight cationic coagulant and then colloidal silica and a high molecular weight flocculant.
REFERENCES:
patent: 4385961 (1983-05-01), Svending et al.
patent: 4388150 (1983-06-01), Sunden et al.
patent: 4445970 (1984-05-01), Post et al.
patent: 4643801 (1987-02-01), Johnson
patent: 4710270 (1987-12-01), Sunden et al.
Falcone, Silicates in Paper Products Improve Strength and Functional Performance, Pulp & Paper, Jan. 1976, pp. 93-96.
Merrill, Sorption of Sodium Silicates and Silica Sols by Cellulose Fibers, Industrial Engineering Chem., (1950), pp. 744-747.
Crill Marla S.
Gotberg Steven R.
Hutchinson Laurence S.
Johnson Kerrie A.
Nigrelli Anthony S.
Chin Peter
Cupoli Anthony L.
Epple Donald G.
Nalco Chemical Company
Premo John G.
LandOfFree
Method for dewatering paper does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for dewatering paper, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for dewatering paper will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2166819