| abstract |
Provided is a primer composition having a high adhesion development rate to an inorganic material at a low temperature and having excellent adhesion development even after recoating. A reaction product having an alkoxysilyl group obtained by reacting a polyisocyanate (I) with an alkoxysilane having a functional group capable of reacting with an isocyanate group, a polyisocyanate (II), a polyurethane compound, (meta ) An acrylic resin and a solvent, the molecular weight of the (meth) acrylic resin is 15,000 to 150,000, and the weight ratio of the (meth) acrylic resin to the polyurethane compound [(meth) acrylic resin / polyurethane A laminate comprising a primer composition having a compound of 90/10 to 10/90, and an inorganic material and a primer layer obtained from the primer composition. [Selection figure] None |