| 摘要 |
PURPOSE:To make it possible to form very fine and clear images by using a recording material which comprises a base paper and an ink receiving surface provided on the base paper and having a specified roughness factor and which has a specified wetting time. CONSTITUTION:A recording paper comprises a base paper and an ink-receiving surface provided on the base paper. The ink-receiving surface has a roughness factor, measured by the Bristow method, of at least 10ml/m<2>, and the recording material has a wetting time of at least 10msec. A fibrous substance of the base paper is present in the vicinity of a recording surface of the recording material, and the ink-receiving surface comprises a silicon-containing pigment and/or alumina particles with a BET specific surface area of less than 200m<2>/g. A water-based ink, used at the time of ink jet recording and having a water content of 95-50wt.%, is released effectively from a nozzle to be given to the recording material, whereby a clear and very fine image with excellent dot shape can be obtained, because bleeding is not generated. |
