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首页> 外文期刊>RSC Advances >Effect of reactive organoclay on physicochemical properties of vegetable oil-based waterborne polyurethane nanocomposites
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Effect of reactive organoclay on physicochemical properties of vegetable oil-based waterborne polyurethane nanocomposites

机译：反应性有机粘土对植物油水性聚氨酯纳米复合材料的物理化学性质的影响

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摘要

The environmentally friendly vegetable oil-based waterborne polyurethane-organoclay nanocomposites have been successfully synthesized from castor oil polyols, isophorone diisocyanate and dimethylolpropionic acid. WAXD and TEM results showed that the addition of C30B containing a hydroxyl group led to the nearly exfoliated structures in WPUs. The thermal and mechanical properties of the nanocomposite films have been carefully investigated by FT-IR, DMTA, DSC, TGA, and tensile tests. As the C30B loading-level increased from 0 to 2%, the tensile strength and Young's modulus of the nanocomposites increased 16.7 to 27.9 MPa and from 22.3 to 134.8 MPa, respectively. The enhanced mechanical and thermal performance was primarily attributed to the formation of the strong interfacial interactions between filler and matrix. Morphological changes induced by the addition of clays were analyzed using rheological studies. This work produced new nanocomposites derived from castor oil polyols with a high-biomass content, and its high performance could contribute to a sustainable chemical industry.
机译：已从蓖麻油多元醇，异佛酮二异氰酸酯和二甲基丙烯酸成功地合成环保的植物油基水性聚氨酯纳米复合材料。 WAXD和TEM结果表明，加入含有羟基的C30B导致了WPU中的几乎剥离的结构。通过FT-IR，DMTA，DSC，TGA和拉伸试验仔细研究了纳米复合膜的热和力学性能。随着C30B的加载水平从0增加到2％，纳米复合材料的拉伸强度和杨氏模量分别增加了16.7％至27.9MPa和22.3至134.8MPa。增强的机械和热性能主要归因于填充物和基质之间的强界面相互作用的形成。通过流变研究分析通过添加粘土引起的形态学变化。这项工作产生了具有高生物量含量的蓖麻油多元醇的新型纳米复合材料，其高性能可能有助于可持续的化学工业。

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  • 来源
    《RSC Advances》 |2015年第15期|共10页
  • 作者

    Gurunathan T.; Mohanty Smita; Nayak Sanjay K.;

  • 作者单位

    Cent Inst Plast Engn &

    Technol ARSTPS Chennai 600032 Tamil Nadu India;

    Cent Inst Plast Engn &

    Technol ARSTPS Chennai 600032 Tamil Nadu India;

    Cent Inst Plast Engn &

    Technol ARSTPS Chennai 600032 Tamil Nadu India;

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  • 正文语种 eng
  • 中图分类 化学;
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