B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
B29C 35/06 (2006.01) H01B 1/20 (2006.01) H01B 1/24 (2006.01) H01B 13/14 (2006.01)
Patent
CA 2729561
The present invention is a method for degassing an electrical cable having a crosslinked, semiconductive shield layer prepared from a composition made from or containing (i) a phase I material consisting essentially of a polar copolymer of ethylene and an unsaturated ester having 4 to 20 carbon atoms, (ii) a phase II material consisting essentially of a nonpolar, low density polyethylene, and (iii) a conducting filler material dispersed in the phase I material and/or the phase II material. The degassing temperature is greater than 70 degrees Celsius.
La présente invention concerne un procédé pour dégazer un câble électrique ayant une couche écran semi-conductrice réticulée, préparée à partir d'une composition fabriquée à partir de ou contenant (i) un matériau de phase I consistant essentiellement en un copolymère polaire d'éthylène et un ester insaturé ayant 4 à 20 atomes de carbone, (ii) un matériau de phase II consistant essentiellement en un polyéthylène basse densité apolaire, et (iii) un matériau de remplissage conducteur dispersé dans le matériau de phase I et/ou le matériau de phase II. La température de dégazage est supérieure à 70 degrés Celsius.
Goethel Gabriele
Kjellqvist Jerker B.l.
Dow Global Technologies Inc.
Smart & Biggar
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