公开(公告)号：US20170349678A1

公开(公告)日：2017-12-07

申请号：US15539125

申请日：2015-12-21

Applicant: BOREALIS AG

Inventor： Bernd KRETZSCHMAR ,  Carl-Gustaf EK ,  Thomas RÄTZSCH ,  Yi LIU ,  Sandeep TYAGI

IPC: C08F10/02 ,  C08L23/06 ,  C08F2/00

Abstract: The present application relates to a process for producing a multimodal polyethylene composition comprising the steps of blending a polyethylene fraction (A-1) having a weight average molecular weight Mw of equal to or more than 700 kg/mol to equal to or less than 10,000 kg/mol and a density of equal to or more than 920 kg/m3 to equal to or less than 960 kg/m3 and a polyethylene fraction (A-2) having a lower Mw as polyethylene fraction (A-1) and a density of equal to or more than 910 kg/m3 to equal to or less than 960 kg/m3 with a weight ratio of (A-1) to (A-2) of 45:55 to 80:20 to form a first polyethylene resin (A) having a Mw of equal to or more than 200 kg/mol to equal to or less than 1500 kg/mol, a melt flow rate MFR5 (190° C., 5 kg) of 0.001 to 10 g/10 min and a density of equal to or more than 910 kg/m3 to equal to or less than 960 kg/m3, blending the first polyethylene resin (A) with a second polyethylene resin (B) having a Mw of equal to or more than 50 kg/mol to less than 700 kg/mol, and a density of equal to or more than 910 kg/m3 to equal to or less than 960 kg/m3 to form the multimodal polyethylene composition, wherein the multimodal polyethylene composition a melt flow rate MFR5 (190° C., 5 kg) of 0.01 to 10 g/10 min and a density of equal to or more than 910 kg/m3 to equal to or less than 970 kg/m3, a polyethylene composition obtainable by said process and the polyethylene resin of said first blending step.

公开(公告)号：US20230303886A1

公开(公告)日：2023-09-28

申请号：US17786141

申请日：2020-12-18

Applicant: BOREALIS AG

Inventor： Mirela Tury PASTORINI ,  Johan DEFOER ,  Carl-Gustaf EK ,  Gavin LEWIS

IPC: C09D123/08 ,  C09D5/18 ,  C09D5/00 ,  C09D7/61 ,  D06N3/00 ,  D06N3/04 ,  D06N3/18

CPC classification number: C09D123/0815 ,  C09D5/18 ,  C09D5/002 ,  C09D7/61 ,  D06N3/0009 ,  D06N3/0038 ,  D06N3/0059 ,  D06N3/045 ,  D06N3/183 ,  D06N3/047 ,  D06N2201/0254 ,  D06N2203/042 ,  D06N2203/044 ,  D06N2207/14 ,  D06N2209/067 ,  D06N2209/1635 ,  D06N2211/103 ,  D10B2503/04 ,  D10B2505/08 ,  D10B2505/10 ,  D10B2507/00

Abstract: The invention provides a flame retardant material comprising a substrate, an optionally corona-treated coating on the substrate, the coating comprising a polyolefin composition comprising a) an ethylene based plastomer with a density in the range of 0.857 to 0.915 g/cm3 and an MFR2 in the range 0.5-30 g/10 min; b) a propylene based plastomer with a density in the range of 0.860 to 0.910 g/cm3 and an MFR2 in the range 0.01-30 g/10 min; and c) a flame retardant, a primer layer on top of the coating and a lacquer topcoat.

公开(公告)号：US20210163722A1

公开(公告)日：2021-06-03

申请号：US16770703

申请日：2018-12-14

Applicant: BOREALIS AG

Inventor： Markus GAHLEITNER ,  Jingbo WANG ,  Carl-Gustaf EK ,  Klaus BERNREITNER ,  Floran Régis PRADES

IPC: C08L23/06 ,  C09J123/06 ,  C08L23/08

Abstract: The invention provides a polyolefin composition comprising a) 60 to 99 wt % of a polyethylene plastomer, wherein said polyethylene is a copolymer of ethylene and one or more C3-C12 α-olefins, having a density of less than 904 kg/m3; and b) 1 to 40 wt % of a polypropylene copolymer wax having a melt flow rate (MFR) at 230° C./2.16 kg of more than 400 g/10 min.