Inventors:
Joseph Van Handel - Plover WI, US
Constance Klaisner - Oshkosh WI, US
John Gast - Hockessin DE, US
International Classification:
D21H017/33
D21H017/29
D21H017/28
D21H017/55
US Classification:
162/164100, 162/175000, 162/168300, 162/164600
Abstract:
Addition of a premixed aqueous mixture of anionic dry strength resin and cationic or amphoteric starch to a paper making pulp slurry yields paper with higher dry strength than paper that is the same except that the starch and dry strength resin are added separately.