| 摘要 |
PROBLEM TO BE SOLVED: To provide an acrylic copolymer giving a cured product with excellent heat resistance.SOLUTION: This invention provides a copolymer in which the proportion of a repeating unit represented by the following formula (I) is 40-80 mol% and the proportion of a repeating unit represented by the following formula (II) is 20-60 mol%. The total of a compound represented by the following formula (I') and a compound represented by the following formula (II') included in the copolymer is 5 wt.% or less. |
