Invention Application
US20170066857A1 Methods for Controlling Die Swell in Dual Catalyst Olefin Polymerization Systems
有权
控制双催化剂烯烃聚合体系中模头膨胀的方法
- Patent Title: Methods for Controlling Die Swell in Dual Catalyst Olefin Polymerization Systems
- Patent Title (中): 控制双催化剂烯烃聚合体系中模头膨胀的方法
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Application No.: US14848405Application Date: 2015-09-09
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Publication No.: US20170066857A1Publication Date: 2017-03-09
- Inventor: Jeff F. Greco , Qing Yang , Vivek Rohatgi , Mark L. Hlavinka , Jim B. Askew
- Applicant: Chevron Phillips Chemical Company LP
- Main IPC: C08F210/14
- IPC: C08F210/14
Abstract:
Methods for controlling the die swell of an olefin polymer produced using a dual catalyst system are disclosed. The die swell of the olefin polymer can be increased or decreased as a function of the catalyst weight ratio and the reactant molar ratio used during the olefin polymerization process.
Public/Granted literature
- US09650459B2 Methods for controlling die swell in dual catalyst olefin polymerization systems Public/Granted day:2017-05-16
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