| 发明名称 |
METHOD OF ELIMINATING IMPURITIES CONTAINING CYANIDE GROUPS FROM POLYMERS |
| 摘要 |
PCT No. PCT/EP94/02082 Sec. 371 Date Jan. 11, 1996 Sec. 102(e) Date Jan. 11, 1996 PCT Filed Jun. 27, 1994 PCT Pub. No. WO95/02615 PCT Pub. Date Jan. 26, 1995Nitrile impurities are eliminated from polymers which contain acyclic N-vinyl-carboxamide and/or vinylamine units by treating the polymers with at least one oxidizing agent a) with exposure to light and/or b) in the presence of heavy metal ions. |
| 申请公布号 |
EP0708786(A1) |
申请公布日期 |
1996.05.01 |
| 申请号 |
EP19940920465 |
申请日期 |
1994.06.27 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
DENZINGER, WALTER;HARTMANN, HEINRICH;KROENER, MICHAEL;NILZ, CLAUDIA |
| 分类号 |
C08F6/10;C08F6/00;C08F6/16;C08F8/06;C08F8/12;C08F26/02;D21H21/10 |
主分类号 |
C08F6/10 |
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