| 发明名称 |
VERFAHREN ZUR VERHINDERUNG DER ABLAGERUNG IN ANLAGEN ZUR PAPIERHERSTELLUNG |
| 摘要 |
<p>Compositions and methods for inhibiting the deposition of organic contaminants from pulp in pulp and papermaking systems are disclosed. The methods add to the pulp or to the deposition prone surface of the papermaking system a composition comprising a polyvinyl alcohol having 50 to 100% hydrolysis and a high molecular weight gelatin having a molecular weight of about 100,000 or higher.</p> |
| 申请公布号 |
DE69617664(T2) |
申请公布日期 |
2002.05.08 |
| 申请号 |
DE1996617664T |
申请日期 |
1996.03.25 |
| 申请人 |
BETZDEARBORN INC., TREVOSE |
发明人 |
NGUYEN, T. |
| 分类号 |
B01F17/30;B01F17/38;D21C5/02;D21C9/00;D21C9/08;D21F1/30;D21F1/32;D21H17/21;D21H17/36;D21H17/37;D21H17/45;D21H17/54;D21H21/02;(IPC1-7):D21C5/02;D21H17/22 |
主分类号 |
B01F17/30 |
| 代理机构 |
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