Printing ink

An inkjet ink contains 0.5-15 wt.% vinyl resin dissolved in a liquid medium comprising a radiation-curable monomer, wherein the ink has a viscosity of 30-100 mPa s at 40°C. Typically, the vinyl resin is solid at 25°C and has a molecular weight of 20-200 KDa. The vinyl resin may be present in an amount of 5-12 wt.% and may be a vinyl chloride/hydroxy acrylate copolymer or a terpolymer of vinyl chloride, vinyl acetate and either vinyl alcohol or an unsaturated dicarboxylic acid ester. The ink preferably comprises 20-90 wt.% (meth)acrylate and/or 10-30 wt.% N-vinyl amide as radiation-curable monofunctional monomers. The radiation-curable monomer may be N-vinyl caprolactam, N-acryloylmorpholine, cyclic TMP formal acrylate, tetrahydrofurfuryl acrylate, (2-methyl-2-ethyl-1,3-dioxolane-4-yl)methyl acrylate (Medol 10), isobornyl acrylate, 2-(2-vinyloxy ethoxy)ethyl acrylate, or 2-(2-vinyloxy ethoxy)ethyl methacrylate. Additionally, the liquid medium may comprise 1-10 wt.% difunctional monomer. A method of preparing vinyl tiles, planks, or sheets using the ink is also disclosed.