| abstract |
The present invention relates to a resin composition comprising a core portion, a polymeric chain containing a structural unit represented by Chemical Formula (1) and a structural unit represented by Chemical Formula (2), and having at least three arm portions , A Mw of 100,000 or more, and a Mw / Mn of 1.6 or less. Formula 1 (2) [In the above formulas (1) and (2) R 1 is hydrogen or a methyl group, R 2 is a group represented by the formula (3), and R 3 is an alkyl group having 1 to 18 carbon atoms. (3) In Formula 3, and m and n are integers satisfying m? 5 and n? 4 and m + n? 31, |