Release agent based on ethylene multi-block copolymer
AssigneeTesa SE
InventorNicole Behrens
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Abstract
Release agent more particularly for an adhesive with an ethylene multi-block copolymer, the ethylene multi-block copolymer being composed of hard segment blocks, comprising at least 95% (w/w) ethylene and a comonomer, and of soft segment blocks, comprising ethylene and a comonomer, the fraction of comonomer in the soft segment blocks being between 10 and 20 mol %, and the fraction of the hard segment blocks in the ethylene multi-block copolymer being not more than 45% (w/w).
Claims11
A release agent comprising an ethylene multi-block copolymer, the ethylene multi-block copolymer comprising hard segment blocks and soft segment blocks, said hard segment blocks comprising at least 95% (w/w) ethylene and a comonomer, and said soft segment blocks comprising ethylene and a comonomer, wherein the fraction of comonomer in the soft segment blocks is between 10 and 20 mol %, and the fraction of the hard segment blocks in the ethylene multi-block copolymer is not more than 45% (w/w).
Dependencies are inferred from the claim text.