作　　者： ; ; ; ; ; ;

机构地区： 仲恺农业工程学院

出　　处： 《高分子材料科学与工程》 2014年第12期139-143,共5页

摘　　要： 以羽毛角蛋白(FK)和羧甲基纤维素钠(CMC)为原料,甘油为增塑剂,采用浇铸法制备了FK/CMC复合膜,并对不同CMC和甘油含量的复合膜的共混结构、透光性、力学性能和透湿性进行了系统研究。红外测试表明FK与CMC之间发生了美拉德(Maillard)反应;力学性能测试表明CMC和甘油的含量影响了力学性能的各个参数,CMC的加入增强了薄膜的拉伸强度,而甘油的添加可以有效地改善薄膜的韧性;透湿性的结果显示,复合膜的水蒸气透过量数值范围为932.37~2298.51 g/(m2·24h),其大小随着CMC和甘油含量的增加而增大;SEM结果表明FK/CMC复合膜具有平整的表面和致密的内部结构。 Blend films based on feather keratin( FK) and sodium carboxy methyl cellulose( CMC),compatibilized by glycerol,were prepared by solution casting. The effects of CMC and glycerol content on blend structure,transparency,permeability and mechanical properties were investigated. ATR-FT-IR shows that Maillard reaction occurred between FK and CMC. Tensile tests indicate that the content of CMC and glycerine has significant effect on the mechanical properties of blend films. CMC enhances the tensile strength of the film,and glycerine can effectively improve the toughness of the blend films. The results of the moisture permeability show that the amount of water vapor through the film is in the range of 932. 37 g /( m2·24h) and 2298. 51 g /( m2·24h),and the values increase with increase of the CMC and glycerol content. SEM results show that FK / CMC blend films have flat surface and dense internal structure.

关 键 词： 羽毛蛋白 羧甲基纤维素 美拉德反应

领　　域： [化学工程]