Preparation and Performance of Wheat Gluten Composite Membrane by Intermingling Nano-Silver
首发时间:2010-08-31
Abstract:Nano-particles have small size, surface and interface, quantum size, macro-tunnel effect and other special characteristics.To obtain wheat gluten membranes with a good strength, nano-silver was added in the preparation of the membrane to toughen the structure of nano-composite membrane. Performance of the composite membrane was studied by adding a series of different amount of nano-silver. The results indicated that the intermingling of nano-silver had an influence on the performance of the composite membrane in varying degrees. The tensile strength and tensile stretch of the composite membrane had an upward trend with an increasing dosage of nano-silver. However, the moisture permeability, oxygen permeability and break-resistant value of the composite membrane decreased first and increased later. When the density of nano-silver was 0.8×10-6, performance of the composite membrane was the best. In addition, the result of infrared spectroscopy showed that there were some interactions between nano-silver particles and wheat protein molecules.
keywords: wheat gluten nano-silver composite membrane mechanical property
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Preparation and Performance of Wheat Gluten Composite Membrane by Intermingling Nano-Silver
摘要:Nano-particles have small size, surface and interface, quantum size, macro-tunnel effect and other special characteristics.To obtain wheat gluten membranes with a good strength, nano-silver was added in the preparation of the membrane to toughen the structure of nano-composite membrane. Performance of the composite membrane was studied by adding a series of different amount of nano-silver. The results indicated that the intermingling of nano-silver had an influence on the performance of the composite membrane in varying degrees. The tensile strength and tensile stretch of the composite membrane had an upward trend with an increasing dosage of nano-silver. However, the moisture permeability, oxygen permeability and break-resistant value of the composite membrane decreased first and increased later. When the density of nano-silver was 0.8×10-6, performance of the composite membrane was the best. In addition, the result of infrared spectroscopy showed that there were some interactions between nano-silver particles and wheat protein molecules.
关键词: wheat gluten; nano-silver; composite membrane;mechanical property
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