D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 17/48 (2006.01) D21H 21/14 (2006.01) D21H 23/76 (2006.01) D21H 21/10 (2006.01)
Patent
CA 2405649
A papermaking furnish is provided with a phenolic resin/polyethylene oxide retention system in combination with a solventless cationic polymer retention aid which increases retention rate and drainage in the paper sheet. The retention aid may be added to the furnish together with the phenolic resin or separately from it at a different point of addition. It can also be used for pretreating a filler which is added to the furnish.
Aston David
Polverari Marco Savio
Vu Joseph
E.qu.i.p. International Inc.
Kemira Chemicals Canada Inc.
Robic
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