发明名称 |
Method for producing halogen-free reactive polyisobutene |
摘要 |
A process for preparing halogen-free, reactive polyisobutene having a terminal double bond content of more than 50 mol % and an average molecular weight Mn of 280-10000 dalton by the cationic polymerization in the liquid phase of isobutene or hydrocarbon mixtures comprising isobutene comprises polymerizing at from -30° C. to +40° C. in the presence of a heterogeneous polymerisation catalyst comprising one or more oxides of the elements of transition groups V and VI of the Periodic Table of the Elements or in the presence of a heterogeneous polymerization catalyst comprising one or more oxidic compounds of one or more elements of transition groups V and VI of the Periodic Table of the Elements supported on a non-zeolitic oxidic support material which is not an oxygen-containing zirconium compound, the catalyst not containing a technically effective amount of halogen.
|
申请公布号 |
US6441110(B1) |
申请公布日期 |
2002.08.27 |
申请号 |
US19990367194 |
申请日期 |
1999.08.06 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
SIGWART CHRISTOPH;NARBESHUBER THOMAS;ELLER KARSTEN;BARL MANFRED;FISCHER ROLF;GEHRER EUGEN |
分类号 |
C08F4/02;C08F4/20;C08F4/24;C08F10/08;C08F10/10;C08F110/10;(IPC1-7):C08F4/24 |
主分类号 |
C08F4/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|