Venable LLP
Ink, ink cartridge, and image recording method
Provided is an ink containing a pigment, a water-soluble organic solvent, and a surfactant, and having a viscosity at 25° C. of 5 mPa·s or more. The ink has a static surface tension of 30.5 mN/m or more to 35.0 mN/m or less, which is measured at 25° C. by a Wilhelmy method. The ink also has a dynamic surface tension at a bubble life time of 150 msec of 30.5 mN/m or more to 37.0 mN/m or less, which is measured at 25° C. by a maximum bubble pressure method.
Canon Kabushiki Kaisha
C C B C C
C09D C09D B41J C09D C09D
inventional inventional inventional inventional inventional
Masanobu Akihiro Yutaka Takaharu Masahiro Hidetaka Shoji Yohei
Ootsuka Taya Yoshimasa Aotani Terada Kawamura Koike Masada