Copolymer of ethylene and alpha-olefin, and method for preparing same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 13, 2016
Grant Date -
Sep 24, 2015
app pub date -
Nov 15, 2013
filing date -
Nov 19, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A liquid random copolymer of ethylene and alpha-olefin prepared by using specific metallocene catalyst and ionic compound and a method for preparing the same are disclosed. The liquid random copolymer has high viscosity index and shear stability so that it is useful as synthetic lubricants. The liquid random copolymer of ethylene and alpha-olefin (1) comprises 60 to 40 mol % of ethylene units and 40 to 60 mol % of alpha-olefin unit having 3 to 20 carbon atoms, (2) has number average molecular weight (Mn) of 500 to 10,000 and a molecular weight distribution (Mw/Mn, Mw is the weight average molecular weight) of 3 or less measured by Gel Permeation Chromatography (GPC) (3) has Kinematic Viscosity at 100° C. of 30 to 5,000, (4) has pour point of 30 to −45° C., and (5) has Bromine Number of 0.1 or less.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully