石墨烯/镁离子掺杂羟基磷灰石纳米复合材料的制备

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英文篇名：Preparation of GR/Mg-HA nano-composites 作者：王昊 ; 黄晓东 ; 杨志杰 ; 王玉栋 ; 刘意 英文作者：Wang Hao;Huang Xiaodong;Yang Zhijie;Wang Yudong;Liu Yi;School of Chemistry and Chemical Engineering of Guangdong Pharmaceutical University;The First Af?liated Hospital of Guangdong Pharmaceutical University; 关键词：复合材料 ; 纳米羟基磷灰石 ; 石墨烯 ; 水热法 英文关键词：composite;;nano-hydroxyapatite;;graphene;;hydrothermal method 中文刊名：HCSZ 英文刊名：China Synthetic Resin and Plastics 机构：广东药科大学医药化工学院;广东药科大学附属第一医院; 出版日期：2019-03-25 出版单位：合成树脂及塑料 年：2019 期：v.36 基金：广东省科技计划项目(2016A010103039);; 广州市越秀区科技计划项目(2017-WS-016) 语种：中文; 页：HCSZ201902006 页数：5 CN：02 ISSN：11-2769/TQ 分类号：18-22

摘要

以明胶为模板,镁离子为形貌调节剂,采用水热法及热处理制备了具有球形形貌的石墨烯(GR)/镁离子掺杂羟基磷灰石(Mg-HA)纳米复合材料,并对其进行了表征。结果表明:当反应体系的pH值为5.1,明胶溶液质量分数为12%,硝酸钙与磷酸氢二胺摩尔比为1.67,MgCl2浓度为0.088 mol/L时,可制备粒径为30~40 nm且具有球形形貌的明胶/Mg-HA复合材料,然后经560℃热处理,最终得到GR/Mg-HA纳米复合材料。
        Graphene(GR)/magnesium ion doped hydroxyapatite(Mg-HA) nano-composites(GR/MgHA) were prepared via hydrothermal method and thermal treatment with gelatin as matrix,magnesium ion as morphology modulator and then the spherical composites were characterized. The results show that the spherical gelatin/Mg-HA composites with the particle size between 30 and 40 nm are obtained when the pH value of the reaction system reaches 5.1,the mass fraction of gelatin in solution is 12%,the mole ratio of calcium nitrate to dihydrogen phosphate is 1.67,and the concentration of magnesium chloride is 0.088 mol/L. GR/Mg-HA nanocomposites are obtained by further heat treatment at 560 ℃.

引文

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