| 发明名称 |
PROCESS FOR PRODUCING PACKAGING PAPER AND BOARD |
| 摘要 |
<p>1. Process for the manufacture of wrapping paper and of cardboard, characterized in that the following are added to the suspension containing the cellulose fibres before the sheet is formed : a) more than 0.5 parts by weight of cationic starch per 100 parts of cellulose fibres, b) less than 1 part by weigth, expressed as Al2 O3 , of aluminium polychloride per 100 parts of cellulose fibres.</p> |
| 申请公布号 |
GR3001183(T3) |
申请公布日期 |
1992.06.30 |
| 申请号 |
GR19900401051T |
申请日期 |
1990.12.11 |
| 申请人 |
ELF ATOCHEM S.A. |
发明人 |
BOURSON, LUCIEN;BONNAUD, YVES |
| 分类号 |
D21H17/03;D21H17/14;D21H17/16;D21H17/17;D21H17/28;D21H17/29;D21H17/33;D21H17/63;D21H17/66;D21H23/76;(IPC1-7):D21H23/00;D21H23/02 |
主分类号 |
D21H17/03 |
| 代理机构 |
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