Kompositmembran

Details

Veröffentlichungs-Nr.

EP4803953

Anmeldetag

30. Oktober 2023

Veröffentlichung

8. Mai 2025

Rechtsraum

EP

IPC

G02C7/04

Abstract

The present invention provides a composite membrane excellent in interlayer adhesion. A composite membrane according to an embodiment of the present invention includes: a first polymer part including a first polymer; and a second polymer part, which is arranged in direct contact with at least part of the first polymer part and includes a second polymer. The first polymer and the second polymer each include a constituent unit derived from a siloxane monomer, provided that the second polymer (i) is free of a constituent unit derived from a siloxane monomer containing a nitrogen atom, or (ii) includes the constituent unit derived from the siloxane monomer containing a nitrogen atom. In the case (ii), the second polymer includes 4 wt% or more of a constituent unit derived from a monofunctional monomer, which has a molecular weight of 500 or less and is free of a nitrogen atom.

Anmelder

Firma

MENICON CO., LTD.

Land

🇯🇵 Japan

Fachgebiete