Patent ID: 9745486
Date: 2017-08-29
CPC Classifications: B41M,C08K,C09D,D06P,Y10T

Claim:
1. An ink jet ink set for sublimation transfer, comprising: a first ink composition containing a first disperse dye and a first dispersant; and a second ink composition containing a second disperse dye and a second dispersant, wherein the first disperse dye is the same as the second disperse dye, the content of the first disperse dye in the first ink composition is equal to or greater than the content of the second disperse dye in the second ink composition, the ratio A of the content of the first dispersant in the first ink composition to the content of the first disperse dye in the first ink composition is equal to or greater than the ratio B of the content of the second dispersant in the second ink composition to the content of the second disperse dye in the second ink composition, and each of the first dispersant and the second dispersant contains at least one compound selected from the group consisting of lithium and potassium salts of aromatic sulfonic acid, lithium and potassium salts of aromatic sulfonic acid-formalin condensates, lithium and potassium salts of β-naphthalenesulfonic acid, and lithium and potassium salts of β-naphthalenesulfonic acid-formalin condensates.