Riso Kagaku Corporation

Yuki Urano

Takahisa Yamazaki

Shunsuke Uozumi

Hideki Imanishi

Akiko Hayashi

Mamoru Fukuda

Sayako Arai

Hiroyuki Ogawa

Kokoro Kinoe

An ink set for textile printing is disclosed which includes a pretreatment liquid containing a metal salt, a water-dispersible resin (A), an organic solvent (B) having an SP value of 10 to 14 (cal/cm)and water, and an ink containing a pigment, a water-dispersible resin (C) having a glass transition point of 10&#xb0; C. or higher, an organic solvent (D) and water. A method for producing a printed textile item is also disclosed.

Ink set for textile printing and method for producing printed textile item

A method for producing printed matter that includes applying one of a first pretreatment liquid and a second pretreatment liquid, the other of the first pretreatment liquid and the second pretreatment liquid, and then an aqueous ink, in this order, to a recording region of a substrate using an inkjet recording apparatus, wherein the first pretreatment liquid and the second pretreatment liquid are jetted so as to land on the substrate in a fixed order, the first pretreatment liquid contains a coagulant, and the second pretreatment liquid does not contain a coagulant, but contains a penetrant.

Method for producing printed matter

A method for producing printed matter is disclosed that includes applying a pretreatment liquid containing a resin and a pretreatment liquid containing a coagulant to a substrate, and after the applying of these pretreatment liquids, applying an aqueous inkjet ink to the substrate using an inkjet system.

An aqueous inkjet ink set for textile printing is disclosed, the aqueous inkjet ink set including a first ink containing a water-dispersible resin having a glass transition point of less than &#x2212;5&#xb0; C., a coloring material and water, and a second ink containing a water-dispersible resin having a glass transition point of from &#x2212;5&#xb0; C. to 35&#xb0; C., a coloring material and water. A method for producing a printed textile item is also disclosed.

Aqueous inkjet ink set for textile printing and method for producing printed textile item

An aqueous inkjet ink set for textile printing is disclosed, the aqueous inkjet ink set including two or more aqueous inkjet inks that include a black ink, wherein among the charge density Cd values measured by the streaming potential method for the two or more aqueous inkjet inks, the Cd value (CdK) for the black ink is the highest, and the absolute value of the difference between the Cd value (CdK) for the black ink and the Cd value (Cd2) for the aqueous inkjet ink having the second highest Cd value is 80 &#x3bc;eq/g or greater. A method for producing a printed item is also disclosed.

Growing community of inventors

Ibaraki, Japan

Yuki Urano