H - Electricity – 01 – B
Patent
H - Electricity
01
B
H01B 3/44 (2006.01) C08F 8/00 (2006.01) C08F 255/02 (2006.01) H02K 3/40 (2006.01)
Patent
CA 2321911
An insulated electric DC-cable having a polymer based insulation system comprising an extruded and cross-linked polyethylene, XLPE, based composition, disposed around a conductor and a method for production of such a cable. The XLPE based composition comprises a polar modification in the form of a polar segment comprising a polar co-monomer having the general formula: CH2=CR-CO-X- (CH2)n-N(CH3)2 or CH2=CR-CO-O-(CH2-CH2O)m-H where n is equal to 2 or 3; m is equal to a number from 1 to 20; R is H or CH3; and X is O or NH. The polar comonomer is introduced into the XLPE composition.
L'invention concerne un câble CC doté d'un système isolant à base de polymère et comprenant une composition à base de XLPE - polyéthylène extrudé et réticulé - qui enveloppe un conducteur. L'invention concerne également un procédé de production d'un tel câble. La composition à base de XLPE comprend une modification polaire sous forme de segment polaire comprenant un co-monomère polaire ayant la formule générale: CH¿2?=CR-CO-X-(CH¿2?)¿n?-N(CH¿3?)¿2? ou CH¿2?=CR-CO-O-(CH¿2?-CH¿2?O)¿m?-H où n vaut 2 ou 3; m vaut un nombre de 1 à 20; R représente H ou CH¿3? et X représente O ou NH. Le co-monomère polaire est introduit dans la composition XLPE.
Bostrom Jan-Ove
Campus Alfred
Carstensen Peter
Ericsson Anders
Farkas Andreas
Abb Ab
Robic
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