基本信息:
- 专利标题： IN-LINE TRIMMING OF DRY CATALYST FEED
- 申请号：US17279708 申请日：2019-10-30
- 公开(公告)号：US20210395404A1 公开(公告)日：2021-12-23
- 发明人： David F. Sanders , Matthew W. Holtcamp , Kevin A. Stevens , Joshua P. Olson
- 申请人： EXXONMOBIL CHEMICAL PATENTS INC.
- 申请人地址： US TX Baytown
- 专利权人： EXXONMOBIL CHEMICAL PATENTS INC.
- 当前专利权人： EXXONMOBIL CHEMICAL PATENTS INC.
- 当前专利权人地址： US TX Baytown
- 国际申请： PCT/US2019/058886 WO 20191030
- 主分类号： C08F10/02
- IPC分类号： C08F10/02 ; B01J8/22 ; B01J8/00
摘要：
A process for polymerizing polyethylene is disclosed. The process comprises contacting ethylene and at least one comonomer with a catalyst system to produce a polyolefin. The first catalyst and at least a portion of the second catalyst are co-supported to form a commonly-supported catalyst system. The catalyst system is introduced to a line as a dry-feed. The line is coupled with a polymerization reactor. A carrier fluid is added to the line to form a slurry. The slurry is introduced to the polymerization reactor.
公开/授权文献:
- US11976140B2 In-line trimming of dry catalyst feed 公开/授权日：2024-05-07
IPC结构图谱:
| C | 化学；冶金 |
| --C08 | 有机高分子化合物；其制备或化学加工；以其为基料的组合物 |
| ----C08F | 仅用碳—碳不饱和键反应得到的高分子化合物 |
| ------C08F10/00 | 只有1个碳—碳双键的不饱和脂族烃的均聚物或共聚物 |
| --------C08F10/02 | .乙烯 |