| 发明名称 |
PROCESS FOR THE MANUFACTURE OF POLYMALEIC ANHYDRIDE |
| 摘要 |
<p>The invention relates to a process for making polymaleic anhydride by polymerising maleic anhydride in a solvent mixture of xylene, the ortho isomer content of which is up to 99%, and a non-reactive solvent having a boiling point of from 110.degree. to 180.degree.C. using di-tertiary butyl peroxide as catalyst.</p> |
| 申请公布号 |
CA1099275(A) |
申请公布日期 |
1981.04.14 |
| 申请号 |
CA19770281910 |
申请日期 |
1977.07.04 |
| 申请人 |
CIBA-GEIGY (U.K.) LIMITED |
发明人 |
BIRRELL, RAYMOND N.;ROYLE, NORMAN E. |
| 分类号 |
C08F20/00;C02F5/00;C02F5/08;C02F5/10;C08F2/04;C08F2/06;C08F20/02;C08F22/06;C08F120/04;C08G61/00;(IPC1-7):07D307/60 |
主分类号 |
C08F20/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
