Invention Grant
US08828529B2 Catalyst systems and polymer resins having improved barrier properties
有权
具有改进的阻挡性能的催化剂体系和聚合物树脂
- Patent Title: Catalyst systems and polymer resins having improved barrier properties
- Patent Title (中): 具有改进的阻挡性能的催化剂体系和聚合物树脂
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Application No.: US12890448Application Date: 2010-09-24
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Publication No.: US08828529B2Publication Date: 2014-09-09
- Inventor: Guylaine St. Jean , Errun Ding , Chung Tso , Qing Yang , Albert P. Masino , Joel L. Martin
- Applicant: Guylaine St. Jean , Errun Ding , Chung Tso , Qing Yang , Albert P. Masino , Joel L. Martin
- 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: Conley Rose, P.C.
- Agent Rodney B. Caroll; Cheryl L. Huseman
- Main IPC: B32B27/32
- IPC: B32B27/32 ; C08F4/00 ; C08F110/02 ; C08F10/02 ; C08F4/639 ; C08F210/16

Abstract:
A unimodal polymeric resin having a density of from about 0.946 g/ml to about 0.97 g/ml and a zero shear viscosity of from about 8×102 Pa-s to about 6×104 Pa-s. A method comprising (a) providing a catalyst system comprising a half-sandwich transition metal complex; (b) contacting the catalyst system with an olefin under conditions suitable to form a polyolefin, wherein the polyolefin is unimodal; and (c) recovering the polyolefin, wherein the polyolefin has a density of from about 0.946 g/ml to about 0.97 g/ml and a zero shear viscosity of from about 8×102 Pa-s to about 6×104 Pa-s. A unimodal polymeric resin having a density of from about 0.946 g/ml to about 0.97 g/ml and a CY-a parameter of from about 0.5 to about 0.6.
Public/Granted literature
- US20120077008A1 Novel Catalyst Systems and Polymer Resins Having Improved Barrier Properties Public/Granted day:2012-03-29
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