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首页> 美国卫生研究院文献>Polymers >Phenol-Furfural Resin/Montmorillonite Based High-Pressure Green Composite from Renewable Feedstock (Saccharum munja) with Improved Thermo-Mechanical Properties
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Phenol-Furfural Resin/Montmorillonite Based High-Pressure Green Composite from Renewable Feedstock (Saccharum munja) with Improved Thermo-Mechanical Properties

机译：基于酚醛树脂/蒙脱石基于可再生原料（Saccharum Munja）的高压绿色复合材料具有改进的热机械性能

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This research endeavour aimed to explore the potential of a native, nonedible and low market value plant feedstock, i.e., for green synthesis of woodware materials and improve its features by incorporating an economical blending material. A significant amount of furfural, i.e., 58%, was extracted from through the modified acid digestion method. Extracted furfural was reacted with phenol to prepare phenol-furfural resin, an alternative to phenol-formaldehyde resin but with no harmful effects for humans. The synthesized resin was also blended with montmorillonite clay after modification via Dimethyl Sulfoxide (DMSO) treatment for improved thermo-mechanical properties. These resins and composites were characterized by XRD, SEM, and FTIR spectroscopy. Resultant resins and composites were further employed as a binding agent to make high-pressure composite from leftover plant residue by hot-press method. The resultant product was subjected to TGA analysis and furnished high value of degradation temperature ( ), i.e., 607 °C. Prepared high-pressure composite samples were mechanically tested through compression tests by Tinius Olsen Testing Machine and hardness tests by Rockwell Hardness Tester. Its tensile strength value was 58.3 MPa while hardness value was found to be 64 RHB which was greater than mild copper with hardness value 48.9 RHB. Thus, green high-pressure composite material was successfully developed by employing montmorillonite clay while no toxic resin was used, nor was any residue left over.
机译：该研究旨在探讨天然，不可用和低位市场价值植物原料的潜力，即木制品材料的绿色合成，并通过结合经济的混合材料来改善其特征。通过改性酸消化方法提取大量糠醛，即58％。提取的糠醛与苯酚反应以制备酚糠醛树脂，替代酚醛树脂，但对人类没有有害影响。在通过二甲基亚甲醚（DMSO）处理后，还将合成的树脂与蒙脱石粘土混合，以改善热机械性能。这些树脂和复合材料的特征在于XRD，SEM和FTIR光谱。将得到的树脂和复合材料进一步用作粘合剂，通过热压方法从剩余的植物残留物中制备高压复合物。将所得产物进行TGA分析，并为降解温度（），即607℃的高值。通过Tinius Olsen试验机和罗克韦尔硬度测试仪通过压缩试验机械测试制备的高压复合样品。其拉伸强度值为58.3MPa，而发现硬度值为64 rhB，其具有高于低于温和铜的硬度值48.9 rhB。因此，通过使用蒙脱石粘土成功开发了绿色高压复合材料，同时没有使用任何有毒树脂，也不留下任何残留物。

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