| 发明名称 |
Polyester scavengers esp. suitable for the flotation process for de-inking recycled paper using soft water - prepd. by reacting polyalkylene glycol, di: and/or tri:carboxylic acid and/or anhydride(s) and 12-18 carbon satd. fatty acid |
| 摘要 |
<p>Polyester scavenger having a molecular wt. of 3000-10000 for use in the deinking of waste paper by the flotation process, prepd. by the reaction of polyalkylene glycol, di-and/or tricarboxylic acids and/or anhydrides thereof, with a 12-18C satd. fatty acid.</p> |
| 申请公布号 |
SE501465(C2) |
申请公布日期 |
1995.02.20 |
| 申请号 |
SE19930002174 |
申请日期 |
1993.06.23 |
| 申请人 |
BIM KEMI AB |
发明人 |
PETER *WAALLBERG;ENN *PAEAERT |
| 分类号 |
D21C5/02;(IPC1-7):D21C5/02 |
主分类号 |
D21C5/02 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
