Provided is a composition including an acrylamide compound having a molecular weight of 150 or greater but 250 or less (A1), and a monomer having a cyclic structure represented by General Formula (3) below, or General Formula (4) below, or both (A2),
where, in General Formulae (3) and (4), L is a single bond or a straight chain or branched alkylene group that has from 1 through 10 carbon atoms and may include an oxygen atom, a nitrogen atom, or a sulfur atom; A is a cyclic structure that has from 2 through 10 carbon atoms and may include an oxygen atom, a nitrogen atom, or a sulfur atom; R6 is a hydrogen atom or a methyl group; and R7 and R8 are each a straight chain or branched alkyl group having from 1 through 10 carbon atoms.
本发明提供了一种组合物,其中包括分子量大于或等于 150 但小于或等于 250 的
丙烯酰胺化合物(A1),以及具有下式(3)或下式(4)或两者所代表的环状结构的单体(A2)、
其中,在通式(3)和(4)中,L 是单键或直链或支链亚烷基,具有 1 到 10 个碳原子,可包括氧原子、氮原子或
硫原子;A 是环状结构,具有 2 到 10 个碳原子,可包括氧原子、氮原子或
硫原子;R6 是氢原子或甲基;R7 和 R8 分别是直链或支链烷基,具有 1 到 10 个碳原子。