	US 12,404,392 B2
	Moisture cureable polymer for flexible cables
Kjell Fossum, Stenungsund (SE); Stefan Hellstrom, Stenungsund (SE); and Bernt-Ake Sultan, Stenungsund (SE)
Assigned to BOREALIS AG, Vienna (AT)
Appl. No. 17/599,053
Filed by Borealis AG, Vienna (AT)
PCT Filed Apr. 29, 2020, PCT No. PCT/EP2020/061944 § 371(c)(1), (2) Date Sep. 28, 2021, PCT Pub. No. WO2020/221822, PCT Pub. Date Nov. 5, 2020.
Claims priority of application No. 19171915 (EP), filed on Apr. 30, 2019.
Prior Publication US 2022/0177680 A1, Jun. 9, 2022
Int. Cl. H01B 3/44 (2006.01); C08F 210/02 (2006.01); C08F 220/18 (2006.01); C08F 230/08 (2006.01); C08L 23/0869 (2025.01); C08L 23/0892 (2025.01); C08L 23/26 (2006.01)

CPC C08L 23/0892 (2013.01) [H01B 3/441 (2013.01); C08F 220/1804 (2020.02); C08F 230/085 (2020.02); C08L 23/0869 (2013.01); C08L 23/26 (2013.01); C08L 2203/202 (2013.01); C08L 2666/44 (2013.01); C08L 2666/84 (2013.01); H01B 3/447 (2013.01); H01B 3/448 (2013.01)]

13 Claims

1. A method, comprising:

adhering a layer of a cable comprising a polyethylene composition to a polyurethane cast resin at a cable joint;

wherein the polyethylene composition comprises:

a) one or more ethylene copolymer(s) wherein the ethylene copolymer is a terpolymer containing monomer units with polar groups and monomer units with hydrolysable silane groups, wherein the monomer units with polar groups are present in an amount of more than 5 mol. % based on the total polyethylene composition, and

b) a silanol condensation catalyst in an amount of 0.0001 to 5 wt. %, based on the total polyethylene composition

wherein the monomer units with polar groups are methyl acrylate and/or methyl methacrylate and wherein the polyurethane resin and the layer comprising the polyethylene composition adhere with an adhesion strength greater than 10 N/mm.