| abstract |
[PROBLEMS] To provide a primer layer having a low thickness and almost no change in viscosity, so that the workability is excellent, there is no mixing of bubbles, and a uniform thickness can be formed. To provide a primer composition that is excellent in adhesion with a base material by reducing generated stress due to its high flexibility. The present invention provides a primer composition comprising a modified bisphenol-type epoxy resin having a flexible skeleton, a bisphenol-type epoxy resin not having a flexible skeleton, and a mixed solvent of toluene and methyl ethyl ketone, wherein the modified bisphenol is used. The primer composition is characterized in that the epoxy resin is contained in an amount of 5 to 80% by weight based on the total amount of the epoxy resin contained in the primer composition. [Selection] Figure 1 |