| abstract |
The present invention provides a (meth)acrylic copolymer that has excellent low-temperature coating properties and can form an adhesive layer with excellent retention and substrate contamination resistance even under low UV irradiation. The (meth)acrylic copolymer of the present invention includes a structural unit a derived from a macromonomer and a structural unit b derived from a monomer represented by the following formula (b), with respect to the (meth)acrylic acid Based on the total mass of the copolymer, the content of the structural unit b is 0.01% by mass to 25% by mass. In the following formula (b), R A and R B each independently represent an alkyl group, a carboxyl group, or a halogen atom, n represents an integer from 0 to 5, m represents an integer from 0 to 4, and X represents (meth)acrylic acid Oxy group, or (meth)acryloyloxyalkyleneoxy. |