B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 47/00 (2006.01) B29C 35/02 (2006.01) B29C 47/20 (2006.01) B29C 47/70 (2006.01) C08J 3/24 (2006.01)
Patent
CA 2587453
The present invention relates to preparing extruded article by flowing heat plastified stream of extrudable resinous thermoplastic material through an extrusion orifice. In the invention crosslinking additives are introduced and mixed to the surface portion of the stream of extrudable resinous thermoplastic material before the extrusion step. After the extrusion step the crosslinking of the surface portion of the extruded article provided with the crosslinking additives is initiated by special initiation means.
L'invention concerne la fabrication d'un article extrudé consistant à extruder un flux plastifié à chaud de matériau thermoplastique résineux extrudable au travers d'un orifice d'extrusion ; à introduire et mélanger des additifs de réticulation dans la partie de surface du flux de matériau thermoplastique résineux extrudable avant l'étape d'extrusion ; et à déclencher au moyen d'éléments de réticulation spécifique, après l'étape d'extrusion, la réticulation de la partie de surface de l'article extrudé pourvue des additifs de réticulation.
Cassan Maclean
Maillefer S.a.
LandOfFree
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