| 发明名称 |
Menetelmä paperin valmistamiseksi |
| 摘要 |
A process for the production of paper by forming and dewatering a suspension of cellulose containing fibers and optional fillers on a wire. Three components are added to the suspension, a cationic starch, a cationic polyacrylamide and a polymeric silicic acid, in order to improve retention and dewatering at paper production.
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| 申请公布号 |
FI100611(B) |
申请公布日期 |
1998.01.15 |
| 申请号 |
FI19920002055 |
申请日期 |
1992.05.06 |
| 申请人 |
EKA NOBEL AB, |
发明人 |
CARLSON,ULF RUNE;JOHANSSON,HANS ERIK;JOHANSSON,KJELL AXEL |
| 分类号 |
D21H17/28;D21H17/00;D21H17/29;D21H17/37;D21H17/63;D21H17/68;D21H21/10;(IPC1-7):D21H17/74;D21H17:29;D21H17:45;D21H17:65 |
主分类号 |
D21H17/28 |
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