| abstract |
PROBLEM TO BE SOLVED: To provide an adhesive that can obtain a strong adhesive strength between laminate substrates and can maintain a strong adhesive strength for a long period of time, and a highly acidic food or oily food, and is bonded and manufactured using the adhesive Even in such a case, a packaging laminate is provided in which there is no decrease in the adhesive strength between laminated substrates over time. A urethane-based adhesive composition comprising a resin (A) obtained by copolymerizing (meth) acrylic acid ester and maleic anhydride, a polymer polyol (B), and an organic isocyanate compound (C). object. [Selection figure] None |