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用悬浮聚合的方法制备了粒径为50～70μm的均匀球形的分子烙印聚合物，对立体异构体辛可宁和辛可尼丁获得了较好的分离效果（α=2．89，Rs=0．76）。通过对物理性质的研究发现：球形的分子烙印聚合物呈均匀完美的球形，并具有良好的热稳定性。
The uniform spherical molecularly imprinted polymer with particle size of 50 ~ 70μm was prepared by suspension polymerization, and the better separation effect was obtained for the stereoisomers cinchonine and cinchonid (α = 2.89, Rs = 0 .76). Through the physical properties of the study found that: spherical molecularly imprinted polymer was uniform and perfect spherical, and has good thermal stability.