Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tjaart Andries Du Plessis0
Horst Seute0
Song Cheng0
Date of Patent
August 22, 2006
Patent Application Number
10686779
Date Filed
October 17, 2003
Patent Primary Examiner
Patent abstract
The invention relates to ethylene polymers that are modified by ionizing radiation, prior to article formation, at a temperature less than the crystalline melt temperature and preferably under ambient atmosphere, as well as articles made from said polymers. The irradiated ethylene polymers exhibit enhanced melt strength, tensile strength, impact resistance, tear strength, adhesion to polar substances and thermal stability, decreased elongation, and lower melt flow index, but are easily processed and converted into and onto articles by conventional technologies including injection molding, extrusion, film and bottle blowing and powder coating.
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