US 7,600,868 B2
Recording paper and image recording method thereof
Chizuru Koga, Ebina (Japan); Kiyoshi Hosoi, Ebina (Japan); Takashi Ogino, Ebina (Japan); and Tsukasa Matsuda, Ebina (Japan)
Assigned to Fuji Xerox Co., Ltd., Tokyo (Japan)
Filed on Dec. 27, 2004, as Appl. No. 11/20,268.
Claims priority of application No. 2004-133514 (JP), filed on Apr. 28, 2004.
Prior Publication US 2005/0244593 A1, Nov. 03, 2005
Int. Cl. B41M 5/50 (2006.01)
U.S. Cl. 347—105  [428/32.31; 428/195.1; 430/48] 14 Claims
 
10. An ink-jet image recording method for forming an image, the method comprising:
applying a droplet of ink containing a colorant and at least one kind of solvent selected from the group consisting of water and a water-soluble organic solvent to the surface of a recording paper,
wherein:
the recording paper comprises:
a base paper containing pulp fibers and filler as main components, said base paper further comprising calcium thiocyanate and a water-soluble polymer,
the recording paper does not have a coating layer with a pigment content of more than 20% by weight, and
a conductivity of water is not less than 0.002 S/m as measured at 1 second after immersing a piece of the recording paper with an area of 0.05 m2 in 40 ml of pure water.