PRINTING INK COMPOSITION OF SOLVENT RECOVERY/REUSE TYPE, DILUENT SOLVENT, AND METHOD OF REUSING RECOVERED SOLVENT

摘要

A method of solvent recovery/reuse in printing or coating with a printing ink composition containing solvents which comprises: a step in which solvents which have volatilized are recovered with a solvent recovery apparatus; a step in which the solvents obtained are separated by multistage distillation into single solvents and/or two or more azeotropic compositions; and a step in which the solvents recovered are reused as a raw printing ink material and/or a raw material for a diluent solvent.