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Development and Application of Green Composites: Using Coffee Ground and Bamboo Flour

机译：绿色复合材料的开发和应用：以咖啡渣和竹粉为原料

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摘要

Environmental degradation and global warming are increasing as a result of the use of petroleum. Therefore, many industries are seeking more eco-friendly materials that will decrease the level of environmental contamination and economic cost. Recently, the level of coffee consumption has increased rapidly. Therefore, the amount of coffee grounds discarded is increasing. In this study, polylactic acid, coffee grounds and bamboo flour were compounded for green composites. Coffee grounds are used in the recycling of food waste. In addition, 4,4-methylene diphenyl diisocyanate (MDI) was used as a coupling agent. The mechanical strength of green composites decreased with increasing natural filler content. However, mechanical and thermal properties were increased by the addition of MDI as a coupling agent. The hydroxyl groups of natural fillers reacted with the isocyanate group of MDI, and a urethane linkage was created between the polymer and natural fillers.
机译：由于使用石油，环境退化和全球变暖正在加剧。因此，许多行业正在寻求更加环保的材料，以减少环境污染和经济成本。最近，咖啡的​​消费水平迅速增加。因此，丢弃的咖啡渣的数量在增加。在这项研究中，将聚乳酸，咖啡渣和竹粉复合为绿色复合材料。咖啡渣用于食物垃圾的回收。另外，将4，4-亚甲基二苯基二异氰酸酯（MDI）用作偶联剂。随着天然填料含量的增加，绿色复合材料的机械强度降低。但是，通过加入MDI作为偶联剂可以提高机械性能和热性能。天然填料的羟基与MDI的异氰酸酯基反应，在聚合物和天然填料之间建立了氨基甲酸酯键。

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  • 来源
    《Journal of Polymers and the Environment》 |2013年第3期|702-709|共8页
  • 作者

    Bong-San Baek; Ji-Won Park; Byoung-Ho Lee; Hyun-Joong Kim;

  • 作者单位

    Laboratory of Adhesion and Bio-Composites Program in Environmental Materials Science Seoul National University">(1);

    Laboratory of Adhesion and Bio-Composites Program in Environmental Materials Science Seoul National University">(1);

    Laboratory of Adhesion and Bio-Composites Program in Environmental Materials Science Seoul National University">(1);

    Laboratory of Adhesion and Bio-Composites Program in Environmental Materials Science Seoul National University">(1);

    Research Team for Biomass-based Bio-Materials Research Institute for Agriculture and Life Sciences Seoul National University">(2);

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Green composites; Biodegradable polymer; PLA; Coffee ground; Bamboo flour; 4,4-Methylene diphenyl diisocyanate (MDI);

    机译：绿色复合材料;可生物降解的聚合物;解放军咖啡渣;竹粉;4,4-亚甲基二苯基二异氰酸酯（MDI）;

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