US 12,221,531 B2
Amorphous polyalphaolefin-containing polyolefin blend
Sebastian Babik, Düsseldorf (DE); Steffen Cepa, Marl (DE); Sebastian Heßner, Essen (DE); and Stefan Kirschbaum, Monheim am Rhein (DE)
Assigned to Evonik Operations GmbH, Essen (DE)
Appl. No. 17/763,160
Filed by Evonik Operations GmbH, Essen (DE)
PCT Filed Oct. 13, 2020, PCT No. PCT/EP2020/078736
§ 371(c)(1), (2) Date Mar. 23, 2022,
PCT Pub. No. WO2021/074125, PCT Pub. Date Apr. 22, 2021.
Claims priority of application No. 19203594 (EP), filed on Oct. 16, 2019.
Prior Publication US 2023/0002601 A1, Jan. 5, 2023
Int. Cl. C08L 23/12 (2006.01); C08L 23/06 (2006.01); C08L 23/20 (2006.01)
CPC C08L 23/12 (2013.01) [C08L 23/20 (2013.01); C08L 2203/10 (2013.01); C08L 2203/16 (2013.01); C08L 2205/03 (2013.01); C08L 2207/02 (2013.01); C08L 2207/20 (2013.01)] 19 Claims
 
1. A blend containing at least two different polyolefins, wherein the blend contains as a further constituent an amorphous poly-alpha-olefin which is based on the monomers ethene, propene and 1-butene and has a viscosity at 190° C. measured according to the method reported in the description of from 200 mPa*s to 200,000 mPa*s, wherein the blend contains polyethylene and polypropylene as at least two different polyolefins and wherein the polyethylene has a melt flow index [MFI 2.16 kg@190° C.] determined according to the method ISO 1133 reported in the description of less than 10 g/10 min, and the polypropylene has a melt flow index [MFI 2.16 kg@230° C.] determined according to the method reported in the description of less than 50 g/10 min.