Abstract: Extrusion processability of non-fluorinated melt-processable polymers is improved by introducing a fluoropolymer process aid by means whereby the weight average particle size of the fluoropolymer is greater than 2 microns as it reaches the extruder die entrance.
Type:
Grant
Filed:
December 6, 2005
Date of Patent:
June 24, 2008
Assignee:
DuPont Performance Elastomas LLC
Inventors:
George Richard Chapman, Jr., Steven Richard Oriani