To provide a medium suitable for high speed/high resolution, rich in hydrophilicity and resistant to a high concentration aqueous alkaline solution.
A medium comprising crosslinked polymer particles containing from 20 to 95 mol% of repeating units derived from a (meth)acryloyl monomer represented by the formula (1) :
wherein R2 is a hydrogen atom or a C1-4 alkyl group, R1 is -NR3-R4-R5 or -O-R4-R5, R3 is a hydrogen atom or a C1-4 alkyl group, R4 is a C6-15 alkylene group containing an alicyclic ring or a C4-8 linear alkylene group, and R5 is a halogen atom, an alcoholic OH group, an amino group, a glycidyl group or an epoxy group.
提供一种适用于高速/高分辨率、富亲
水性和耐高浓度碱性
水溶液的介质。
一种介质,包含交联聚合物颗粒,其中含有 20 至 95 摩尔%的由式(1)表示的(甲基)
丙烯酰基单体衍生的重复单元:
其中 R2 是氢原子或 C1-4 烷基,R1 是-NR3-R4-R5 或-O-R4-R5,R3 是氢原子或 C1-4 烷基,R4 是含有脂环的 C6-15 亚烷基或 C4-8 直链亚烷基,R5 是卤原子、醇羟基、
氨基、
缩水甘油基或环氧基。