Borealis Ag

Love Pallon

Richard Olsson

Stanislaw Gubanski

Ulf Gedde

Amir Masoud Pourrahimi

Dongming Liu

Mikael Hedenqvist

The invention relates to a polymer composition comprising a polymer (a) and a nanoparticle filler (b), wherein the polymer composition comprises a volume percentage (vol. %) of the nanoparticle filler (b), which is Dvol vol. %, and has a center-to-center average distance, in nanometer (nm), in two dimensions (2D) and with a free radius, from one nanoparticle to its nearest nanoparticle neighbour, which is R1st nm, and wherein the polymer composition shows a dependency between said center-to-center average distance to nearest neighbour, R1st, and said volume percentage, Dvol vol. %, which is R1st=E/(Dvol+0.3)+F, wherein Dvol&#x2264;Dvol&#x2264;Dvol, E&#x2264;E&#x2264;E, F&#x2264;F&#x2264;F, and Dvolis 0.010 and Dvolis 4.4, Eis 100 and Eis 280, and Fis 50 and Fis 140; an electrical device, e.g. a power cable; and a process for producing an electrical device.

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Stockholm, Sweden

Love Pallon