| abstract |
(57) [Summary] (Modified) [Structure] 10 to 30 mol% of repeating unit A [formula (I)], repeating unit B [formula (II)] and repeating unit C 5 to 30 mol% in total of [Formula (III)] and 40 to 85 mol% of other repeating units D, and the molar ratio between repeating units A, B and C is within a predetermined range. Hairdressing resin. {In the formula, R 1 , R 6 , and R 7 are H and CH 3 ; R 2 is C Is R 3, R 4 C 1~4 - alkyl group; - 2-4 alkylene group is R 5 C 1 to 4 - alkyl group, -CH 2 CH 2 OH, benzyl group, glycidyl group, etc .; A is O, NH; X is Br, CH 3 SO 4, etc .; B is Na, K, Li, NH 4 )} [Effect] Soap-free aerosol foam is formed, has no sticking and flaking, has excellent smoothness, and exhibits excellent setting force under high temperature and high humidity without losing the feel. . |