| 摘要 |
To provide an inkjet recording head in which a high ink repelling property is kept even against the repeated use and which is excellent in film strength and abrasion resistance and is excellent with respect to printing quality of the resulting image, the inkjet recording head includes a nozzle having: a hole for discharging a recording liquid including an ink; and a portion capable of repelling the ink at the periphery of the hole, wherein the portion includes a cured film formed from a composition having a block copolymer, and the block copolymer includes a unit A and a unit B, wherein the unit A represents a block polymer (A) having at least one of a fluorine-containing polymer and a siloxane-containing polymer having a specific structure; and the unit B represents a block polymer (B) having a polyester polymer.
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