Patent ID: 8961674
Filing Date: 2015-02-24
Classification: B41J,C09D

Abstract:
1. An inkjet ink comprising: water; a water-soluble organic material in an amount of from 40 to 50% by weight based on a total weight of the inkjet ink; and a colorant, wherein the water-soluble organic material includes at least one of 1,3-dimethyl-2-imidazolidinone, β-methoxy-N,N-dimethylpropionamide, and 2-pyrrolidone in an amount of from 5 to 35% by weight based on the total weight of the inkjet ink, and further includes a compound having the following formula (1) in an amount of from 10 to 40% by weight based on the total weight of the inkjet ink: wherein R represents a hydrogen atom, or an alkyl group having 1 to 2 carbon atoms, and n is an integer of from 2 to 7.