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- W1570201661 abstract "以油酸包裹的γ-Fe2O3为磁性来源,选用苯乙烯(St)、二乙烯苯(DVB)和甲基丙烯酸(MAA)为共聚单体,通过改进的悬浮聚合法,制备了表面含有羧基的多孔磁性高分子微球.利用红外光谱(FTIR)、扫描电子显微镜(SEM)、光学显微镜以及热重分析仪(TG)等对聚合物进行了性能表征.FTIR和光学显微镜结果分析表明,苯乙烯、二乙烯苯和甲基丙烯酸在磁性粒子的表面发生了聚合反应,生成了聚合物包埋磁粉的磁性聚合物复合微球,且微球表面含有羧基;SEM和光学显微镜分析测试结果显示合成的磁性γ-Fe2O3/P(St-DVB-MAA)复合粒子呈球形,微球具有多孔结构,且微球之间不发生团聚,微球粒子粒径分布均匀,大多数粒子粒径分布在0.4~0.9 mm之间;TG测试的结果表明,磁性γ-Fe2O3被包覆在聚合物微球之中,且磁性粒子在微球中的包覆率达到12.12％." @default.
- W1570201661 created "2016-06-24" @default.
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- W1570201661 date "2008-02-20" @default.
- W1570201661 modified "2023-09-26" @default.
- W1570201661 title "PREPARATION AND CHARACTERIZATION OF MAGNETIC POROUS <I>γ</I>-Fe<SUB>2</SUB>O<SUB>3</SUB>/P(St-DVB-MAA) POLYMER MICROSPHERES" @default.
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- W1570201661 doi "https://doi.org/10.3724/sp.j.1105.2008.00168" @default.
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