发明名称 PAPER MANUFACTURE METHOD
摘要 pulp-and-paper industry. SUBSTANCE: method involves mixing basic water flow containing cellulose filaments and filler with diluting water flow in pressure box of papermaking machine to produce resultant water flow; discharging the latter onto grid and dehydrating for producing paper web. At least one component providing improved water retention is introduced into basic flow, and additive providing slower dehydration or additive selected from group containing nonionic and anion-exchange polymers is introduced into diluting water flow. EFFECT: improved quality of produced paper by providing uniform specific weight through whole width of paper web. 11 cl, 1 ex
申请公布号 RU2166018(C2) 申请公布日期 2001.04.27
申请号 RU19990114854 申请日期 1997.12.05
申请人 EKA KEMIKALS AB 发明人 KETTUNEN KALLE;CHELLANDER OKE;NORELL' MARIJA
分类号 D21H23/02;D21F1/00;D21F1/08;D21H17/24;D21H17/29;D21H17/37;D21H17/42;D21H17/44;D21H17/45;D21H17/68;D21H21/06;D21H21/10;D21H23/14;D21H23/18;D21H23/76;(IPC1-7):D21H23/02 主分类号 D21H23/02
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