| 发明名称 |
POLYETHYLENES WITH INCREASED MOLECULAR WEIGHT DISTRIBUTION |
| 摘要 |
Methods for making olefin polymerization catalysts and methods for making polyethylene polymers using the catalysts are provided. The polyethylenes can have a molecular weight distribution (MWD) of about 4.5 to about 14, a slope of strain hardening greater than about 0.75, and a melt flow ratio (MFR) greater than or equal to 8.33+(4.17×MWD). |
| 申请公布号 |
US2016194421(A1) |
申请公布日期 |
2016.07.07 |
| 申请号 |
US201414911665 |
申请日期 |
2014.09.02 |
| 申请人 |
UNIVATION TECHNOLOGIES, LLC |
发明人 |
Mariott Wesley R.;Cann Kevin J.;Moorhouse John H.;Goode Mark G.;Oswald Thomas |
| 分类号 |
C08F210/16 |
主分类号 |
C08F210/16 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A polyethylene comprising:
a molecular weight distribution (MWD) of about 4.5 to about 14; a slope of strain hardening greater than about 0.75, as measured by extensional viscosity fixture (EVF); and wherein the polyethylene has a heterogeneous distribution of short chain branching (SCB) and a melt flow ratio (I21/I2) greater than or equal to 8.33+(4.17×MWD). |
| 地址 |
Houston TX US |
