| 大豆分离蛋白/淀粉可生物降解材料的性能研究 |
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| 引用本文： | 陈复生,宫保文,刘伯业,何乐. 大豆分离蛋白/淀粉可生物降解材料的性能研究[J]. 塑料科技, 2010, 38(12): 39-42 |
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| 作者姓名： | 陈复生 宫保文 刘伯业 何乐 |
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| 作者单位： | 河南工业大学粮油食品学院,河南,郑州,450052;河南工业大学粮油食品学院,河南,郑州,450052;河南工业大学粮油食品学院,河南,郑州,450052;河南工业大学粮油食品学院,河南,郑州,450052 |
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| 基金项目： | 国家自然科学基金资助项目,河南省高校杰出人才创新工程项目 |
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| 摘 要： | 大豆分离蛋白(SPI)和淀粉混合物经丁二酸酐改性,经甘油和水增塑之后,热压得到力学性能较好的可生物降解材料。以材料的断裂伸长率和拉伸强度作为力学性能的考察指标,并利用FTIR对其进行了分析,结果表明:添加淀粉后,材料的力学性能有了很大提高,SPI与淀粉发生了Maillard反应,断裂伸长率为353%,拉伸强度为7.30MPa。
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| 关 键 词： | 大豆分离蛋白 淀粉 可生物降解材料 力学性能 |
Study on Properties of Soybean Protein Isolate/Starch Biodegradable Material |
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| Chen Fusheng,Gong Baowen,Liu Boye,He Le. Study on Properties of Soybean Protein Isolate/Starch Biodegradable Material[J]. Plastics Science and Technology, 2010, 38(12): 39-42 |
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| Authors: | Chen Fusheng Gong Baowen Liu Boye He Le |
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| Abstract: | The biodegradable materials with good mechanical properties were made from the mixture of soybean protein isolated (SPI) and starch, which were modified by succinic anhydride and plasticized by glycerol and water, then with hot pressing. The tensile strength and elongation at break of the material were used as the index of the mechanical properties, and the material were analyzed with FTIR. The results show that the properties of the material added with starch improve a lot, and the Maillard reaction occurs between SPI and starch. The tensile strength and elongation at break are 353% and 7.30 MPa respectively. |
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| Keywords: | Soybean protein isolate Starch Biodegradable materials Mechanical properties |
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