| 发明名称 |
METHOD FOR PRODUCING PAPER, PULPBOARD AND CARDBOARD |
| 摘要 |
The invention relates to a method for producing, paper, pulpboard and cardboard from paper pulp containing sticky impurities by adding surfactants and cationic polymers with a load density of at least 1.5 meq/g (measured at pH 7) and a cationic polymer molar mass Mw of at least 15,000, and by dehydrating the pulp and fixing the sticky impurities in the finished paper.
|
| 申请公布号 |
WO9846828(A1) |
申请公布日期 |
1998.10.22 |
| 申请号 |
WO1998EP01947 |
申请日期 |
1998.04.02 |
| 申请人 |
BASF AKTIENGESELLSCHAFT;LINHART, FRIEDRICH;MELZER, JAROSLAV;MEIXNER, HUBERT |
发明人 |
LINHART, FRIEDRICH;MELZER, JAROSLAV;MEIXNER, HUBERT |
| 分类号 |
D21H17/56;D21H21/02;(IPC1-7):D21H21/02 |
主分类号 |
D21H17/56 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
