MICROCHANNEL DEVICE AND METHOD FOR PRODUCING SAME

WIPO Patent Application WO/2023/204087

A1

The present invention provides a microchannel device, channel walls of which have high hydrophobicity, and which has high cracking resistance. Provided is a microchannel device in which channels sandwiched by channel walls are formed inside a porous base material, wherein: a channel wall formation material which forms the channel walls contains a thermoplastic resin and a wax; when the abundance ratio of wax on the surface side of the porous base material in the channel walls is defined as X, and the abundance ratio of wax in pores inside the porous base material is defined as Y, X