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首页> 外文期刊>Journal of Applied Polymer Science >Effect of coal filler on the properties of soy protein plastics
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Effect of coal filler on the properties of soy protein plastics

机译：煤粉填料对大豆蛋白塑料性能的影响

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摘要

The influence of ultrafine coal filler (UFC) content on tensile properties, water absorption, and biodegradability of soy protein plastics were investigated. The addition of UFC in the soy protein plastics, with different content of glycerol as a plasticizer, was at different ratio varying from 10:0 to 6:4. Blend sheets of the soy protein composites were prepared by the compression molding processing. The results show that, with 23.08 wt % glycerol, the tensile strength and elongation at break for the soy protein sheet with coal filler (range from 5 to 30 parts) can be enhanced as compared with nonfilled soy protein plastics. Water resistance of the soy protein plastics improves with the increase in UFC content. The derivative thermogravimetry (DTG) curves indicate a double-stage degradation process for defatted soy flour (SPF), while three-stage degradation process for soy plastics and the soy protein composites. FT-IR, XPS, and SEM were applied to study the interfacial interaction between coal macromolecules and soy protein molecules in UFC filled soy protein plastics. The results demonstrated that there is strong interfacial interaction in the soy protein plastics caused by the compression molding processing. (c) 2006 Wiley Periodicals, Inc.
机译：研究了超细煤填料（UFC）含量对大豆蛋白塑料的拉伸性能，吸水率和生物降解性的影响。在大豆蛋白塑料中添加了不同含量的甘油作为增塑剂的UFC的比例从10：0到6：4不等。大豆蛋白复合材料的共混片通过压模加工制备。结果表明，与未填充的大豆蛋白塑料相比，使用23.08 wt％的甘油，含煤填料（5至30份）的大豆蛋白片的拉伸强度和断裂伸长率可以得到提高。大豆蛋白塑料的耐水性随着UFC含量的增加而提高。导数热重分析（DTG）曲线显示了脱脂大豆粉（SPF）的双阶段降解过程，而大豆塑料和大豆蛋白复合物的三阶段降解过程。 FT-IR，XPS和SEM用于研究UFC填充大豆蛋白塑料中煤大分子与大豆蛋白分子之间的界面相互作用。结果表明，由压缩成型加工引起的大豆蛋白塑料中存在很强的界面相互作用。 （c）2006年Wiley Periodicals，Inc.

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