Patent Number: 6,966,944

Title: Anticurling agent, ink jet ink, method for ink jet recording and method for reducing curling

Abstract: The present invention provides an anti-curl agent containing an amide compound of specific structure and molecular weight, an ink jet ink containing the amide compound, a method for ink jet recording to form images by ejecting the ink, and a method for reducing curl of recording media using the ink. The anti-curl agent of the present invention can reduce shape changes of a printed paper with a lapse of time, i.e., the curl phenomenon, tending to occur in particular with a plain paper printed over the entire surface, without deteriorating image quality.

Inventors: Shimomura; Masako (Kanagawa, JP), Noguchi; Hiromichi (Tokyo, JP), Shinjo; Kenji (Kanagawa, JP), Kurabayashi; Yutaka (Tokyo, JP), Ichinose; Hirofumi (Tokyo, JP), Kawabe; Minako (Kanagawa, JP)

Assignee: Canon Kabushiki Kaisha

International Classification: C09D 11/00 (20060101); D21H 27/14 (20060101); C09D 011/02 ()

Expiration Date: 1/22/02018