Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yuki Iseki0
Tadahiro Mitsuno0
Yasuro Suzuki0
Date of Patent
November 28, 2006
0Patent Application Number
106500350
Date Filed
August 28, 2003
0Patent Primary Examiner
Patent abstract
An object of the present invention is to provide an ethylene-α-olefin copolymer excellent in extrusion molding processability and in the balance between the appearance and impact strength. This object is achieved by a copolymer of ethylene and α-olefin of from 4 to 20 carbon atoms having melt flow rate (MFR; unit is g/10 minutes), melt tension at 190° C. (MT; unit is cN), intrinsic viscosity ([η]; unit is dl/g), the chain length A and characteristic relaxation time at 190° C. (τ; unit is sec) which satisfy the specific relations.
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