发明名称 |
AQUEOUS SUSPENSION OF MINERALS, AND/OR FILLERS, AND/OR DYES, METHOD OF PREPARATION THEREOF, AND MEANS FOR MANUFACTURING AND TREATING PAPER AND CLEANING WASTE WATER AND PULP FROM NOXIOUS SUBSTANCES |
摘要 |
An aqueous suspension of minerals and/or fillers and/or pigments having a solid content >/=60% by weight, the mineral or the filler or the pigment being dispersed with one or more dispersing agents, is characterized in that the dispersing agent contains one or more amphoteric polyelectrolytes and/or cationic polyelectrolytes and/or amphoteric cationoic polyelectrolytes and/or amphoteric anionic polyelectrolytes and/or partially neutralized anionic polyelectrolytes and/or partially neutralized amphoteric anionic polyelectrolytes, the filler and/or pigment and/or mineral particles carrying a charge neutral or positive to the outside. Furthermore is disclosed a process characterized in that a part of the polyelectrolytes according to the invention is added before the grinding, a part thereof may be added during the grinding and a part thereof may be added after the grinding. According to the invention grinding and dispersing is achieved in only one process step. |
申请公布号 |
RU2074869(C1) |
申请公布日期 |
1997.03.10 |
申请号 |
SU19904830198 |
申请日期 |
1990.06.06 |
申请人 |
PLYUSS-SHTAUFER AG |
发明人 |
MATTIAS BURI;DANIEL FREJ |
分类号 |
B01D21/01;A21B5/08;A47J37/12;B01D;B01F;B01F17/00;B01F17/52;B01J13/00;C02F;C02F1/52;C09C;C09C3/00;C09C3/10;C09D;C09D17/00;D21H;D21H17/37;D21H17/67;D21H19/44;D21H19/56;G01N33/00 |
主分类号 |
B01D21/01 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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