PCL抑菌包装膜的制备及其性能研究  

Preparation and characterization of PCL antibacterial packaging film

作　　者：董同力嘎 赵淑环[1] 张晓燕[1] 孙文秀[1] 丁春明[1] 仁庆考日乐[1] 靳烨[1] 

机构地区：[1]内蒙古农业大学食品科学与工程学院,呼和浩特010018

出　　处：《化工新型材料》2015年第10期48-50,54,共4页New Chemical Materials

基　　金：内蒙古高等学校科学研究项目(NJZY11058);第四十八批中国博士后科学基金面上资助;国家自然科学基金(51163010)

摘　　要：采用熔融共混法制备聚己内酯/茶多酚(PCL/TP),聚己内酯/壳聚糖(PCL/CS),聚己内酯/海藻糖,聚己内酯/TiO2(PCL/TiO2)4种抑菌膜,并研究薄膜的氧气透过率、力学性能和对金黄色葡萄球菌及大肠杆菌的抑制作用。研究表明:与PCL单膜相比,PCL复合膜的断裂伸长率均有所降低,杨氏模量均有所提高,PCL/TP、PCL/10%CS和PCL/10%海藻糖复合膜均很好的改善了PCL单膜的阻氧性能,PCL/TP复合膜具有较好的抑菌功能。The antibacterial films were prepared with PCL as basic material and added tea polyphenol（TP）,Chitosan（CS）,Trehalose and TiO2 by melt blending,respectively.Its oxygen barrier,mechanical and antimicrobial properties on Staphylococcus aureus and Escherichia coli were studied deeply.It is showed that the elongation at break of PCL composite film was decreased,and Young＇s modulus was increased.PCL/TP,PCL/10% CS,PCL/10%trehalose composite films improved the barrier property to oxygen of PCL film.PCL/TP film had good antibacterial function.

关 键 词：聚己内酯 茶多酚 壳聚糖 海藻糖 TIO2 阻隔性 抑菌性 

分 类 号：TS206.4[轻工技术与工程—食品科学]