| 摘要 |
A printed material as an embodiment of the invention comprising; a substrate; partition walls for partitioning the surface of the substrate into a plurality of regions; and an ink film formed by printing method using a printing apparatus in the plurality of regions, in which the partition wall comprises an ink repellent material containing a resin binder and an ink repellent agent, and the ink repellent agent is a compound having a site showing a compatibility with the resin binder and a site having an ink repellency, the critical surface tension of the partition wall is from 24 to 30 mN/m, and the number average molecular weight of the ink repellent agent is from 40,000 to 100,000.
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