Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 18, 2008
Patent Application Number
10553726
Date Filed
May 19, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
An ethylene-based polymer which is a copolymer obtained from ethylene and a C3 to C10α-olefin and satisfies the following requirements (i), (ii), (iii) and (iv) simultaneously provides a blow-molded product and an extrusion-molded product excellent in moldability, mechanical strength and outward appearance.(i) melt flow rate [MFR2 (g/10 min)] under a loading of 2.16 kg at 190° C. is in the range of 0.01 to 10,(ii) melt tension [MT (g)] and the above melt flow rate [MFR2 (g/10 min)] satisfy the following relationship: MT≧3.2×MFR2−0.55,(iii) an activation energy [Ea] of fluidization is less than 30 (KJ/mol), and(iv) swell ratio is 1.36 or more.
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