Patent ID: 9365726
Filing Date: 2016-06-14
CPC Classification: C09D

Claim Text:
1. An ink jet recording method, the method comprising forming a image on a recording medium by applying an image forming ink composition onto the recording medium, and then applying a protective ink composition onto the applied image forming ink composition using ink jet nozzles, wherein the protective ink composition contains a weather resistance enhancer and is substantially free from a colorant, the protective ink composition comprises at least any one of water and solvent in an amount of not less than 50%, the weather resistance enhancer is a material selected from the group of benzotriazole, benzophenone, Avobenzone, benzoylmethane, oxybenzone, cerium oxide, zinc oxide, and titanium oxide, wherein a coating film formed by the protective ink composition, which is applied onto the image forming ink composition, satisfies the following requirements: requirement (1): an integrated value of the light transmittance of the coating film for each nanometer is not more than 2000 at wavelengths of 320 nm to 360 nm, requirement (2) an integrated value of the light transmittance of the coating film for each nanometer is not less than 36000 at wavelengths of 380 nm to 780 nm further comprising, and requirement (3): an integrated value of the light transmittance of the coating film for each nanometer is not more than 1500 at wavelengths of 360 nm to 380 nm the image forming ink composition comprises a yellow ink composition and a non-yellow ink composition, and the image is formed by application of the yellow ink composition and application of the non-yellow ink composition and then the protective ink composition is applied, wherein an amount of the protective ink composition mainly applied is changed depending on regions where the yellow ink composition is applied or non-yellow ink composition is mainly applied, such that an amount of the protective ink composition applied on the region where the non-yellow ink composition is mainly applied is smaller than the amount of the protective ink composition applied on the region where the yellow ink composition is mainly applied.