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将磺丙基甲基丙烯酸钾（ＳＰＭＫ）和甲基丙烯酸甲酯（ＭＭＡ）聚合，得到ＰＳＰＭＫ－ＭＭＡ树脂。将该树脂溶于蒸馏水／去离子水中，再加入药物盐酸普萘洛尔，收集药物ＰＳＰＭＫ－ＭＭＡ树脂酸盐沉淀，一部分直接干燥，另一部分经水洗后溶于９５％乙醇，再冷冻干燥，干燥后
Sulfopropylmethacrylate (SPMK) and methylmethacrylate (MMA) were polymerized to give PSPMK-MMA resin. The resin was dissolved in distilled water / deionized water, and then the drug propranolol hydrochloride was added to collect the drug PSPMK-MMA resinate precipitate. Some were directly dried, the other part was washed with water and dissolved in 95% ethanol, lyophilized and dried Rear