abstract |
A water-based adhesive for a plastic substrate capable of exhibiting excellent adhesive strength to a plastic substrate even when left for a relatively long period of time is provided. A hydrophobic polyisocyanate (A), a vinyl polymer (B) having a nonionic group and an isocyanate group, and an aqueous medium, the hydrophobic polyisocyanate (A) comprising An aqueous adhesive for plastic substrates, characterized by being dispersed in an aqueous medium by a vinyl polymer (B). [Selection figure] None |