Modifying Process of Baicalin on the Surface of Polymethyl Methacrylate

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摘要:

为得到一种具有特殊功效的聚甲基丙烯酸甲酯(PMMA),用氢氧化钠溶液对PMMA片的表面进行预处理,在黄芩提取液中用黄芩苷对PMMA表面进行修饰.该修饰工艺在常温常压下,pH值为5的黄芩提取液中进行,修饰后的透明PMMA板材,使用贴膜法进行抑菌测试.使用发光二极管(LED)光源对修饰后的PMMA进行滤光测试,对修饰后的PMMA进行红外光谱扫描,并对黄芩苷上能量分布进行了简单计算,依据修饰后的PMMA板材的红外光谱和黄芩苷上能量分布,初步分析了黄芩苷对透明PMMA板材表面修饰的机理.结果表明,该工艺简单、成本低,易操作,且修饰后的PMMA具有一定的抑菌及去除蓝光的效果.

To obtain a kind of polymethyl methacrylate(PMMA)with special function,the surface of PMMA sheets were pretreated with sodium hydroxide solution,and were modified with the baicalin.The best modification process was carried out in scutellaria extract solution of pH=5,under the normal temperature and pressure.After modified,the surface antibacterial activity against escherichia coli and transmittance spectrum of transparent PMMA sheet were studied by membrane adhering method and light emitting diode(LED)light source,respectively,and the preliminary modifying mechanism was analysed according to the infrared spectrum of modified PMMA sheet and the energy distribution of baicalin.The results show that the process is simple,low cost,easy to operate,and the modified transparent PMMA sheet possesses remarkable antibacterial activity and has some filtration effects against blue light.

作者:

张换平王书红李现常杜慧侯绍刚李安林王芳

机构地区:

安阳工学院化学与环境工程学院安阳工学院数理学院

出处:

《betway官方app 学报：自然科学版》 CAS 北大核心 2017年第6期52-57,共6页

基金:

国家自然科学基金(21302003) 安阳工学院科研基金项目(YJJ2014004)

关键词:

黄芩苷 PMMA 修饰

baicalin polymethyl methacrylate modifying

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