Patent ID: 11945960
Assignee: KAO CORPORATION
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 0:
1. An ink-jet printing method comprising the following steps 1 and 2:
Step 1: ejecting a carbodiimide compound, a polyester resin, a colorant and water onto a surface of a printing medium by an ink-jetting method to print characters or images thereon; and
Step 2: subjecting the characters or images printed in the step 1 to heat treatment at a temperature of not lower than 50° C. and not higher than 200° C.,
wherein an acid value of the polyester resin is not less than 5 mgKOH/g and not more than 45 mgKOH/g, the polyester resin comprises a constitutional unit derived from a carboxylic acid component, and the carboxylic acid component comprises an aromatic dicarboxylic acid, an unsaturated aliphatic dicarboxylic acid, and a trivalent or higher-valent polycarboxylic acid.