Patent ID: 9670372
Date: 2017-06-06
CPC Classifications: C09D

Claim:
1. An inkjet ink composition including one or more volatile organic solvents and one or more colorants, said inkjet ink being characterized in that it includes one or more humectants and a terpene phenolic resin having a weight average molecular weight in the range from 500 to 1000 g/mol and a glass transition temperature from about 40° C. to about 55° C.; wherein the inkjet ink composition does not comprise a styrene-acrylic copolymer resin and/or a polyvinyl butyral resin; said one or more volatile organic solvents are present in an amount less than 35% by weight based on the total weight of the inkjet ink composition and are selected from the group consisting of alcohols, ketones, ethers, and mixtures thereof; said one or more humectants are selected from the group consisting of polyol, glycol ether, glycol ether acetates, diacetone alcohol, 2-pyrrolidinone, N-methylpyrrolidinone, ethyl lactate, butylacetate, propylene carbonate, 1,3-dimethyl-2-imidazolidindione, and alkyl esters, and combinations thereof; the one or more humectants are present in an amount greater than 35% by weight of the inkjet ink composition; and the inkjet ink composition has a decap time of at least one hour and a viscosity of less than about 10 mPas.