Patent ID: 8506067
Filing Date: 2013-08-13
Classification: B41M,C09D

Abstract:
1. An ink jet image-forming method for forming an image by applying an ink in a fixed amount of from 0.5 pl or more to 6.0 pl or less to plain paper, wherein: the ink comprises a self-dispersion pigment, water, a water-soluble compound having a coefficient of hydrophilicity-hydrophobicity of 0.37 or more as defined by the following equation (A) and a water-soluble compound having a coefficient of hydrophilicity-hydrophobicity of 0.25 or less as defined by the following equation (A), and has a surface tension of 34 mN/m or less, and wherein when an image having a portion where the ink is applied in a duty of 80% or more and in an amount of 5.0 μl/cm