The rotogravure ink null polyurethane resin for the polyester film sticking

摘要

PROBLEM TO BE SOLVED: To provide a one-part gravure ink for a polyester film-laminated metal plate having excellent printability and excellent processing and retort resistances in spite of the nontoluene gravure ink therefor.;SOLUTION: The gravure ink for the polyester film-laminated metal plate comprises a polyurethane resin (A), an organotitanium compound (C) having a Ti-O-C bond and a solvent without substantially containing toluene. In the gravure ink therefor, the polyurethane resin (A) contains ≥15 and 60 wt.% of polypropylene glycol (PPG) residues having 1,000-4,000 number-average molecular weight based on the whole resin.;COPYRIGHT: (C)2004,JPO