CPC B01D 53/228 (2013.01) [B01D 69/1218 (2022.08); B01D 69/148 (2013.01); B01D 69/14111 (2022.08); B01D 71/021 (2013.01); B01D 71/027 (2013.01); B01D 71/5211 (2022.08); B01D 71/5222 (2022.08); B01D 71/701 (2022.08); B01D 2257/504 (2013.01); B82Y 30/00 (2013.01)] | 8 Claims |
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.
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