Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Thomas Redden Veariel0
Bainian Qian0
Costas George Gogos0
David Burton Todd0
Date of Patent
December 15, 2009
0Patent Application Number
107233890
Date Filed
November 25, 2003
0Patent Primary Examiner
Patent abstract
Melt fracture is reduced, without the necessity of polymer processing-aid additives specifically designed to alleviate exit region surface melt fracture phenomenon, by heating at least a portion of the die through which the polymer is extruded. The die exit region is maintained at a temperature above the bulk melt temperature of the polymer extruded through the die exit hole.
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