Invention Grant
US08637691B2 Polymerization catalysts for producing polymers with low melt elasticity
有权
用于生产低熔体弹性聚合物的聚合催化剂
- Patent Title: Polymerization catalysts for producing polymers with low melt elasticity
- Patent Title (中): 用于生产低熔体弹性聚合物的聚合催化剂
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Application No.: US13874161Application Date: 2013-04-30
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Publication No.: US08637691B2Publication Date: 2014-01-28
- Inventor: Qing Yang , Max P. McDaniel , Joel L. Martin , Youlu Yu , David C. Rohlfing , Michael D. Jensen
- Applicant: Chevron Phillips Chemical Company LP
- Applicant Address: US TX The Woodlands
- Assignee: Chevron Phillips Chemical Company LP
- Current Assignee: Chevron Phillips Chemical Company LP
- Current Assignee Address: US TX The Woodlands
- Agency: Fletcher Yoder, P.C.
- Main IPC: C07F17/00
- IPC: C07F17/00
Abstract:
The present techniques relate to catalyst compositions, methods, and polymers encompassing a Group 4 metallocene compound comprising bridging η5-cyclopentadienyl-type ligands, typically in combination with a cocatalyst, and a activator. The compositions and methods presented herein include ethylene polymers with low melt elasticity.
Public/Granted literature
- US20130245302A1 POLYMERIZATION CATALYSTS FOR PRODUCING POLYMERS WITH LOW MELT ELASTICITY Public/Granted day:2013-09-19
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