摘要:
The present invention relates to a use of a polymer composition preferably in electrical devices as well as to a cable surrounded by at least one layer including the polymer composition.
摘要:
The invention relates to power cable polymer composition which comprises a thermoplastic polyethylene having a chlorine content which is less than X, wherein X is 10 ppm, a power cable, for example, a high voltage direct current (HV DC), a power cable polymer insulation, use of a polymer composition for producing a layer of a power cable, and a process for producing a power cable.
摘要:
The invention relates to a polymer composition with improved DC electrical properties and to a cable surrounded by at least one layer comprising the polymer composition.
摘要:
The present invention relates to a polymer composition comprising a polyolefin, peroxide and a sulphur containing antioxidant, wherein said peroxide is present in an amount which corresponds to X mmol —O—O—/kg polymer composition and said sulphur containing antioxidant is present in an amount which corresponds to Y mmol —OH/kg polymer composition, wherein Y1≦Y≦Y2, X≦45 and 0.9*Y+m≦X≦n−k*Y, wherein Y1 is 0.50 and Y2 is 10, and m is 0.8, n is 70 and k is 4.7; and wherein said polymer composition has a melt flow rate (MFR) of less than 1.7, and said polymer composition comprises less than 0.05% by weight (wt %) 2,4-Diphenyl-4-methyl-1-pentene; a crosslinked polymer composition, and use thereof, a power cable insulation, a power cable, useful in high voltage (HV DC) and extra high voltage (EHV DC) direct current applications, and a method for reducing electrical conductivity of a crosslinked polymer composition.
摘要:
The present invention relates to a use of a polymer composition preferably in electrical devices as well as to a cable surrounded by at least one layer including the polymer composition.
摘要:
A cable comprising a conductor surrounded by at least an inner semiconductive layer, an insulation layer and an outer semiconductive layer, in that order, wherein the insulation layer is not crosslinked or is cross-linked and comprises at least 90 wt% of a polymer composition, said polymer composition comprising: (I) 95.5 to 99.9 wt% of an LDPE; and (II) 0.1 to 4.5 wt% of an HDPE having a density of at least 940 kg/m 3 .
摘要翻译:一种电缆,其包括依次由至少内半导体层,绝缘层和外半导体层包围的导体,其中绝缘层不交联或交联,并且包含至少90重量%的聚合物组合物 所述聚合物组合物包含:(I)95.5至99.9重量%的LDPE; 和(II)0.1至4.5重量%的密度为至少940kg / m 3的HDPE。