玉米醇溶蛋白-乙基纤维素复合薄膜的 制备工艺优化及其表征和应用Optimization of preparation process of zein-ethyl cellulose composite film and its characteristics and application
为制备一种可用于高含油食品的涂膜保鲜包装材料,以玉米醇溶蛋白和乙基纤维素为原料制备复合薄膜,通过单因素实验研究玉米醇溶蛋白与乙基纤维素质量比、乙醇体积分数、增塑剂种类及添加量和固化温度对复合薄膜机械性能和阻隔水蒸气、氧气性能的影响,对复合薄膜的制备工艺进行优化,对复合薄膜的断面形貌、化学结构、表面水接触角进行表征,并探究复合薄膜的应用效果。结果表明:复合薄膜的最佳制备工艺条件为玉米醇溶蛋白与乙基纤维素质量比3∶ 7、乙醇体积分数87%、增塑剂为油酸、油酸添加量0.2 g/g(以总固体质量计)、固化温度60 ℃,在此条件下复合薄膜的拉伸强度为23.29 MPa,断裂伸长率为12.03%,水蒸气透...
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| Main Author: | 张书凝,周家劲,许盼盼,闫枫丹,毕艳兰,彭丹,李军 ZHANG Shuning, ZHOU Jiajin, XU Panpan, YAN Fengdan, BI Yanlan, PENG Dan, LI Jun |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
中粮工科(西安)国际工程有限公司
2025-06-01
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| Series: | Zhongguo youzhi |
| Subjects: | |
| Online Access: | http://tg.chinaoils.cn/zgyz/ch/reader/create_pdf.aspx?file_no=20250609&flag=1 |
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