US 9,543,056 B2 · Semiconductive polyolefin composition comprising conductive filler

Abstract

The present invention relates to a semiconductive polyolefin composition comprising graphene nanoplatelets. It also relates to a semiconductive polyolefin composition comprising the combination of graphene nanoplatelets and carbon black. Moreover, the present invention is related to a process for producing the semiconductive polyolefin composition as well to the use of the semiconductive polyolefin composition in a power cable. Further, the invention is also related to an article, preferably a power cable comprising at least one semiconductive layer comprising said polyolefin composition.

Claims18

Dependent claims

A power cable, comprising a semiconductive polyolefin composition comprising

(a) an olefin polymer base resin, and
(b) graphene nanoplatelets,
wherein the graphene nanoplatelets (b) have an average thickness in the range of from 1 nm to 50 nm and a lateral diameter of 200 μm or less, both measured with atomic force microscopy (AFM), and a surface roughness characterized by R_RMS, measured on extruded samples, is 100 micrometer or less.

Dependencies are inferred from the claim text.

Semiconductive polyolefin composition comprising conductive filler

Life of this patent

Semiconductive polyolefin composition comprising conductive filler

Life of this patent

Abstract

Claims18