Ink composition for ink-jet recording

Details Ink composition for ink-jet recording Ink composition for ink-jet recording

C - Chemistry, Metallurgy

09

D

31/153

C09D 11/02 (2006.01) C09D 11/00 (2006.01)

Patent

CA 1157640

ABSTRACT OF THE DISCLOSURE An ink composition for ink-jet recording which consists of an aqueous solution comprising a water-soluble acid dye or direct dye and a polyhydric alcohol containing 1 to 4 carbon atoms. This composition has a viscosity of 4 to 20 c.p.s., a surface tension of 40 to 60 dyn/cm and a specific resistance of 5 x 103 to 1 x 105 .OMEGA. .cm. With this composition, no serious clogging occurs at the orifice of a recording apparatus, no substantial changes take place in physical and chemical properties, there is no precipitate during storage and the recorded image has a good contrast.

371564

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