茶多酚的表面性能研究  

Studies on the Surface Properties of Tea Polyphenol

作　　者：于蕾[1] 杜聪[1] 白玮[1] 张礼华[2] 沈青[1,2] 

机构地区：[1]东华大学高分子材料与工程系 [2]东华大学纤维材料改性国家重点实验室,上海201620

出　　处：《广州化学》2010年第1期41-44,共4页Guangzhou Chemistry

基　　金：高等学校学科创新引智计划资助项目(No.111-2-04)

摘　　要：通过分别测试二碘甲烷、水、甲酰胺等液体在茶多酚上的接触角,并根据van Oss-Chaudhury-Good的组合理论对茶多酚的表面性能进行研究。结果表明茶多酚的表面能随着茶多酚的含量增加而提高;且随着茶多酚的含量增加,儿茶素类物质即含酚羟基类物质的含量进一步增加,形成氢键的几率进一步增大,导致分子之间作用力和氢键力加大,因而使茶多酚的表面能提高。The surface properties of tea polyphenol were studied by contact angle measurement. Applying diiodomethane, water and formamide as three probe liquids and the combing rules of van Oss-Chaudhury-Good, results showed that the surface free energy of tea polyphenols was increased with its polyphenoles percent. Due to the phenolic hydroxyl structure reasonable to form hydrogen bond, therefore enhanced the intermolecular forces. The tea polyphenol was found greatly in the Lewis base and small in Lewis acid similar as most biomaterials.

关 键 词：茶多酚 接触角 表面性能 

分 类 号：O625.31[理学—有机化学]