Extrusion of peroxide crosslinkable polymer parts
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United States of America Patent
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Jun 8, 2010
Grant Date -
May 6, 2004
app pub date -
Oct 23, 2003
filing date -
Oct 31, 2002
priority date (Note) -
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Abstract
A process for the extrusion of peroxide crosslinked polymer parts, mainly tubes, in which the crosslinkable polymer is heated in an extruder in a controlled manner to a value above the crystallite melting point of the polymer, but below the crosslinking temperature, and fed continuously to an extrusion die to create the part and in which at least a partial crosslinking of the polymer is achieved in the extrusion die by heating of the polymer above a crosslinking temperature provision.
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