Patent ID: 8377516
Filing Date: 2013-02-19
Classification: B41J,C09D,Y10T

Abstract:
1. A radiation-curable ink-jet ink substantially free of water and volatile organic solvents, having a viscosity of 30 mPas or less at 25° C., the ink comprising: at least two monofunctional (meth)acrylate monomers which comprise 10 to 25 wt% of a cyclic monofunctional (meth)acrylate monomer and 5 to 15 wt% of 2-(2-ethoxyethoxy)ethyl acrylate; 16 to 25 wt% of a monofunctional monomer selected from an N-vinyl amide, an N-acryloyl amine or a mixture thereof; 5 to 15 wt% of a multifunctional (meth)acrylate monomer; 5 to 35 wt% a polymerisable (meth)acrylate oligomer; a radical photoinitiator; and a colouring agent, wherein the percentages by weight are based on the total weight of the ink.