BLENDS OF POLYMERS AS WET STRENGTHENING AGENTS FOR PAPER
摘要
Resin systems and methods for making and using same are provided. The method for making a paper product can include contacting a plurality of pulp fibers with a resin system. The resin system can include a first polyamidoamine-epihalohydrin resin and a second resin that can include a second polyamidoamine-epihalohydrin resin, a urea-formaldehyde resin, or a mixture thereof to produce a paper product. The first resin and the second resin can be sequentially or simultaneously contacted with the plurality of pulp fibers. The period for sequential addition between the first resin and the second resin is about 1 second to about 1 hour.
申请公布号
EP2935694(A1)
申请公布日期
2015.10.28
申请号
EP20130865351
申请日期
2013.12.17
申请人
GEORGIA-PACIFIC CHEMICALS LLC
发明人
HAGIOPOL, CORNEL;TOWNSEND, DAVID F.;RINGOLD, CLAY E.;JOHNSTON, JAMES W.;MCDONALD, ROBERT;SIMPSON, METRIC M.;POTTER, FREDERICK S.