SOLVENT-FREE ACRYLIC RESIN COMPOSITION, SOLVENT-FREE ACRYLIC ADHESIVE USING SAME, ADHESIVE SHEET, AND PRODUCTION METHOD FOR SOLVENT-FREE ACRYLIC RESIN COMPOSITION

摘要

A solvent-free acrylic resin composition includes an acrylic resin (A), wherein the acrylic resin (A) contains 5 wt. % to 60 wt. % of a structural moiety derived from a hydroxy group-containing monomer (a1), and an acid value in the resin composition is from 0.001 mgKOH/g to 0.3 mgKOH/g. The solvent-free acrylic resin composition is suppressed in viscosity rise due to heating, and is hence excellent in thermal stability; the composition can be thickly applied when used as an adhesive; and the composition can provide an adhesive excellent in step followability, corrosion resistance, and moist-heat haze resistance.