Patent ID: 11911725
Assignee: NITTO DENKO CORPORATION
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 0:
1. A separation membrane comprising:
a separation functional layer;
a porous support member supporting the separation functional layer; and
an intermediate layer disposed between the separation functional layer and the porous support member, and including a matrix and nanoparticles dispersed in the matrix,, wherein
the separation functional layer includes a polyether block amide resin or an ionic liquid,
the intermediate layer has a thickness of 30 μm or less,
the matrix includes a silicone resin,
the nanoparticle has a spherical shape, and
at least one of requirements (i) and (ii) below holds:
(i) the nanoparticle has a surface modified with a modifying group including a carbon atom;
(ii) the nanoparticle includes silica.