| 发明名称 |
PURIFICATION OF N-VINYLFORMAMIDE AND POLY-N-FORMAMIDES PREPARED THEREFROM |
| 摘要 |
N-Vinylformamide is purified by fractional distillation in the presence of formamide in a column under from 0.5 to 30 mbar by a method in which the distillation is controlled so that N-vinylformamide containing from 0.1 to 15% by weight of formamide is obtained as the distillate. Homopolymers having particularly high molecular weights can be prepared from the N-vinylformamide purified in this manner. |
| 申请公布号 |
ZA8700794(B) |
申请公布日期 |
1988.10.26 |
| 申请号 |
ZA19870000794 |
申请日期 |
1987.02.04 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
MICHAEL KROENER;WILLI SCHMIDT;ALFRED OFTRING;THEO PROLL;HEINRICH HARTMANN |
| 分类号 |
C07C231/24;C07C67/00;C07C231/00;C07C233/00;C07C233/03;C08F26/00;C08F126/02 |
主分类号 |
C07C231/24 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
