Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1999-03-12
2000-06-27
Cain, Edward J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524495, C08K 303
Patent
active
060808101
ABSTRACT:
A semiconducting, cross-linkable and silane-containing polymer composition is disclosed, as is a cable sheathing for an electric cable which, as semiconducting layer, includes the cross-linked polymer composition. The composition is based on ethylene and contains carbon black. Preferably, the polymer is a terpolymer of ethylene, a (meth)acrylate of an alcohol having 1-8 carbon atoms, such as methyl, ethyl or butyl acrylate, and an unsaturated silane compound, such as vinyltrimethoxy silane. The polymer composition is distinguished by the fact that the carbon black has a specific surface area of approximately 30-80 m.sup.2 /g, which reduces the problems associated with undesirable cross-linking of the polymer composition, for instance in extrusion.
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File WPI, Derwent accession No./ 95-258175, Yazaki Corp: "Resin Compsn. for semi-electro-conductive layer of high voltage insulated cable-contains ethylene-vinyl acetate copolymer and electroconductive-carbon TM-black", JP, A, 7161225, 950623, DW9534.
Fagrell Ola
Isaksson Lars
kermark Gustav
Ribarits Elisabeth
Sultan Bernt-.ANG.ke
Borealis A/S
Cain Edward J.
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