申请人:Canon Kabushiki Kaisha
公开号:EP1935949A1
公开(公告)日:2008-06-25
An ink cartridge for storing ink includes a thermal ink-jet head provided with a heating portion (H2107) that generates thermal energy for discharging the ink. The heating portion (H2107) has, on its surface in contact with the ink, a protective layer (H2106) containing at least one of a silicon oxide, a silicon nitride, and a silicon carbide. The ink contains a substance that dissolves the protective layer (H2106) and a compound represented by the following formula (1), and the content X (% by mass) of the compound of the formula (1) satisfies a relationship of 1 ≤ X ≤ 30:
R1-A-R2 Formula (1)
wherein A represents one selected from -S-, -S(=O)-, and - S(=O)2-, and R1 and R2 each independently represent a group selected from a hydrogen atom, a hydroxyl group, an alkyl group, a hydroxyalkyl group, an alkenyl group, an acyl group, a carbamoyl group, a carboxyl group, and a sulfonyl group.
一种用于存储墨水的墨盒包括一个热喷墨头,该喷墨头带有一个加热部分(H2107),该加热部分可产生热能用于释放墨水。加热部分 (H2107) 与墨水接触的表面上有一个保护层 (H2106),该保护层包含氧化硅、氮化硅和碳化硅中的至少一种。油墨中含有溶解保护层(H2106)的物质和下式(1)表示的化合物,式(1)化合物的含量 X(质量百分比)满足 1 ≤ X ≤ 30 的关系:
R1-A-R2 式(1)
其中 A 代表选自-S-、-S(=O)-和-S(=O)2-的一个基团,R1 和 R2 各自独立地代表选自氢原子、羟基、烷基、羟烷基、烯基、酰基、氨基甲酰基、羧基和磺酰基的一个基团。