公开(公告)号：US20200291208A1

公开(公告)日：2020-09-17

申请号：US16082038

申请日：2017-03-02

Applicant: BOREALIS AG

Inventor： Love PALLON ,  Amir Masoud POURRAHIMI ,  Dongming LIU ,  Richard OLSSON ,  Mikael HEDENQVIST ,  Stanislaw GUBANSKI ,  Ulf GEDDE

IPC: C08L23/06

Abstract: 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 Dvol1≤Dvol≤Dvol2, E1≤E≤E2, F1≤F≤F2, and Dvol1 is 0.010 and Dvol2 is 4.4, E1 is 100 and E2 is 280, and F1 is 50 and F2 is 140; an electrical device, e.g. a power cable; and a process for producing an electrical device.

公开(公告)号：US20230070748A1

公开(公告)日：2023-03-09

申请号：US17796339

申请日：2021-01-29

Applicant: BOREALIS AG

Inventor： Thomas GKOURMPIS ,  Per-Ola HAGSTRAND ,  Nilsson FRITJOF ,  Ulf GEDDE ,  Mikael HEDENQVIST ,  Richard OLSSON ,  Mattias KARLSSON ,  Christian MÜLLER ,  Roland KÁDÁR ,  Karolina GASKA

IPC: C08L23/06 ,  C08K9/06 ,  H01B3/44 ,  H01B9/00

Abstract: A polymer composition comprising (i) at least 70 wt% of low-density polyethylene (LDPE) homopolymer or copolymer having a density of 905 to 935 kg/m3 (ISO 1183-2) and an MFR2 of 0.1 to 10 g/10 min (ISO1133 at 190° C., 2.16 kg); (ii) 0.5 to 20 wt % of a high density polyethylene (HDPE) having a density of 940 kg/m3 or more and an MFR2 of 0.1 to 50 g/10 min; and (iii) 0.05 to 10 wt% of an aliphatic, preferably alkyl, functional inorganic nanoparticle filler.

公开(公告)号：US20200291209A1

公开(公告)日：2020-09-17

申请号：US16082041

申请日：2017-03-02

Applicant: BOREALIS AG

Inventor： Love PALLON ,  Amir Masoud POURRAHIMI ,  Dongming LIU ,  Richard OLSSON ,  Mikael HEDENQVIST ,  Stanislaw GUBANSKI ,  Ulf GEDDE

IPC: C08L23/06 ,  C08L23/12

Abstract: The invention relates to a polymer composition comprising a polymer (a)and a nanoparticle filler (b), wherein the polymer composition comprises a weight percentage (wt. %) of the nanoparticle filler (b) which is A, wherein A is 0.05 wt. %,or more, and wherein the polymer composition has a first nanoparticle aggregate ratio which is B, wherein B is 0.50, or less, wherein a first aggregate size is defined as a cluster of nanoparticles with a cluster size larger than d1, wherein d is 1.0 μm; an electrical device, e.g. a power cable; and a process for producing an electrical device.