| 发明名称 |
Process for controlling molecular weight of polyolefins prepared using pyridyl diamide catalyst systems |
| 摘要 |
Pyridyldiamido transition metal complexes are disclosed for use in alkene polymerization to produce polyolefins. |
| 申请公布号 |
US9102773(B2) |
申请公布日期 |
2015.08.11 |
| 申请号 |
US201414159029 |
申请日期 |
2014.01.20 |
| 申请人 |
ExxonMobil Chemical Patents Inc. |
发明人 |
Hagadorn John R.;Bedoya Matthew S.;Jiang Peijun |
| 分类号 |
C08F4/52;C08F4/76;C08F4/64;C08F210/06;C08F4/60 |
主分类号 |
C08F4/52 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A method to prepare a polyolefin comprising the step:
contacting an olefinic monomer or olefinic monomers with a pyridyldiamido transition metal catalyst, optionally an activator, and dialkyl aluminum oxide scavenger. |
| 地址 |
Baytown TX US |
