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首页> 外文期刊>RSC Advances >Construction and functional effects of a compatible nano-TiO2 interface between wood fiber and polypropylene via adopting chemical polyethyleneimine-(3-aminopropyl) triethoxysilane assembly on the fiber surface
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Construction and functional effects of a compatible nano-TiO2 interface between wood fiber and polypropylene via adopting chemical polyethyleneimine-(3-aminopropyl) triethoxysilane assembly on the fiber surface

机译：通过采用化学聚乙烯亚胺 - （3-氨基丙基）三乙氧基硅烷组件在纤维表面上采用化学聚乙烯 - （3-氨基丙基）三乙氧基硅烷组装在木纤维和聚丙烯之间的构建和功能作用

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摘要

A simple chemical assembly to construct a compatible nano-TiO2-coating on a wood surface has been reported using polyethyleneimine and (3-aminopropyl) triethoxysilane for recycled wood-polypropylene composites (WPCs). Crystal features, ZETA potential, and FTIR analysis indicated that the assembly was stable and sufficient, which could be verified further using SEM imaging. Via a three-dimensional hydrophobic network in the composite, water absorbance decreased from 2.89 wt% to 0.72 wt%. Ultraviolet and near-infrared resistance were found to be increased for the dispersive nano-network in the composite matrix. In particular, when the assembling nano-interface was 2.0 wt% for the composite, as well as the tensile strength, the elongation at break was enhanced by about 85%. T-g was also enhanced for strong interfacial adhesion and sufficient load transfer. Also, due to the shielding of the nano-network and the coupling aspect of the assembly, the decomposition temperature (T-d) of wood and polypropylene were enhanced by 79 degrees C and 27 degrees C, respectively.
机译：用聚乙烯亚胺和（3-氨基丙基）三乙氧基硅烷用于再循环木聚丙烯复合材料（WPC），报道了一种简单的化学组件在木材表面上构建在木材表面上的化学组件。晶体特征，Zeta电位和FTIR分析表明，组装稳定且足够，可以使用SEM成像进行进一步验证。通过复合材料中的三维疏水性网络，吸水性从2.89wt％降低至0.72wt％。发现复合基质中的分散纳米网络增加了紫外线和近红外抗性。特别地，当复合材料的组装纳米界面为2.0wt％时，以及拉伸强度，突破的伸长率提高了约85％。对于强烈的界面粘附和足够的负载转移，T-G也增强。而且，由于纳米网络的屏蔽和组件的耦合方面，木材和聚丙烯的分解温度（T-D）分别增强79℃和27℃。

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  • 来源
    《RSC Advances》 |2016年第29期|共10页
  • 作者

    Ye Xianzhu; Wang Hua; Zheng Kang; Wu Zhaofeng; Zhou Haifeng; Tian Xingyou;

  • 作者单位

    Chinese Acad Sci Hefei Inst Phys Sci Inst Appl Technol Hefei 230031 Peoples R China;

    Chinese Acad Sci Hefei Inst Phys Sci Inst Appl Technol Hefei 230031 Peoples R China;

    Chinese Acad Sci Hefei Inst Phys Sci Inst Appl Technol Hefei 230031 Peoples R China;

    Chinese Acad Sci Hefei Inst Phys Sci Inst Appl Technol Hefei 230031 Peoples R China;

    Chinese Acad Sci Hefei Inst Phys Sci Inst Appl Technol Hefei 230031 Peoples R China;

    Chinese Acad Sci Hefei Inst Phys Sci Inst Appl Technol Hefei 230031 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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