四乙氧基硅烷及甘油对淀粉膜的改性研究  

Research of Starch Film with Tetraethoxysilane and Glycerol Modified

作　　者：肖一 黄菲 袁虎 杨勇 XIAO Yi;HUANG Fei;YUAN Hu;YANG Yong(College of Materials Science and Engineering,Xiamen University of Technology,Xiamen Fujian 361021;College of Mechanical and Manufacturing Engineering,Xiamen Institute of Technology,Xiamen Fujian 361021,China)

机构地区：[1]厦门理工学院材料科学与工程学院,福建厦门361021 [2]厦门工学院机械与制造工程学院,福建厦门361021

出　　处：《萍乡学院学报》2022年第3期50-52,59,共4页Journal of Pingxiang University

基　　金：福建省教育厅中青年教师教育科研项目(JAT200482)。

摘　　要：以高直链淀粉为主要原料,四乙氧基硅烷及甘油做改性剂,制备出一种拉伸强度高、亲水性可调节的改性淀粉薄膜。采用旋转黏度计、万能试验机、接触角测量仪对淀粉溶液的黏度、淀粉薄膜的拉伸强度、接触角进行测试分析。结果表明:四乙氧基硅烷及甘油可以极大改善淀粉薄膜的综合性能,添加2 g四乙氧基硅烷,3 g甘油时,性能最优,可以将淀粉溶液黏度降低69.36%,拉伸强度提高35.29%,同时极大提高淀粉薄膜的亲水性。A modified starch film with high tensile strength and adjustable hydrophilicity was prepared with high amylose as main material with tetraethoxysilane and glycerin modified. The viscosity of starch solution,tensile strength of starch film and contact angle were tested and analyzed by rotary viscometer, universal testing machine and contact angle measuring instrument. The results show that tetraethoxysilane and glycerol can greatly improve the comprehensive properties of starch films. When adding 2 g tetraethoxysilane and 3 g glycerol, the performance is the best. The viscosity of starch solution was reduced by 69.36%, tensile strength was increased by 35.29%, and hydrophilicity of starch film was greatly improved.

关 键 词：淀粉薄膜 四乙氧基硅烷 甘油 拉伸强度 接触角 

分 类 号：TS231[轻工技术与工程—粮食、油脂及植物蛋白工程]