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首页> 外文期刊>Nanotechnology >Characterization of network bonding created by intercalated functionalized graphene and polyvinyl alcohol in nanocomposite films for reinforced mechanical properties and barrier performance
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Characterization of network bonding created by intercalated functionalized graphene and polyvinyl alcohol in nanocomposite films for reinforced mechanical properties and barrier performance

机译：纳米复合膜中嵌入式官能化石墨烯和聚乙烯醇产生的网络键合的表征，用于增强机械性能和屏障性能

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摘要

Graphene that consists of less than 10 layers is expensive; moreover, it tends to agglomerate. These disadvantages restrict its utility. In this regard, the present study aimed to reduce the number of layers of a functionalized graphene (FG) with 10-30 layers to less than 10 layers by using an ultrasonic processor. We prepared nanocomposite films of polyvinyl alcohol (PVA) incorporated with FG by a simple hydrothermal method and ultrasonic dispersion. Oxygen transmission rate and water vapor permeability were considerably increased on account of modifying PVA with FG. Furthermore, the mechanical properties, thermostability, and barrier properties were improved. The barrier efficiency of the nanocomposites at different temperatures remained high for long periods of operation because of the network bonding. A simple procedure involving relatively low-cost nanomaterials could unlock the potential of nanocomposite FG/PVA films in the fields of coating, packaging, and semiconductor materials.
机译：由少于10层组成的石墨烯是昂贵的;而且，它往往凝聚。这些缺点限制了其效用。在这方面，本研究旨在通过使用超声波处理器将10-30层的官能化石墨烯（FG）的层数减小到小于10层。通过简单的水热法和超声波分散，我们制备与FG的聚乙烯醇（PVA）的纳米复合材料薄膜。由于用FG改性PVA，显着增加了氧传输速率和水蒸气渗透性。此外，改善了机械性能，热稳定性和阻隔性。由于网络粘合，在不同温度下的纳米复合材料的屏障效率保持高位，因此是长时间的操作。涉及相对低成本的纳米材料的简单程序可以在涂布，包装和半导体材料领域中解锁纳米复合FG / PVA薄膜的电位。

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  • 来源
    《Nanotechnology》 |2020年第38期|共15页
  • 作者

    Tsou Chi-Hui; Zhao Lei; Gao Chen; Duan Hong; Lin Xu; Wen Yihua; Du Juan; Lin Shang-Ming; Suen Maw-Cherng; Yu Yongqi; Liu Xiaohua; De Guzman Manuel Reyes;

  • 作者单位

    Sichuan Univ Sci &

    Engn Sch Mat Sci &

    Engn Mat Corros &

    Protect Key Lab Sichuan Prov Zigong 643000 Peoples R China;

    Sichuan Univ Sci &

    Engn Sch Mat Sci &

    Engn Mat Corros &

    Protect Key Lab Sichuan Prov Zigong 643000 Peoples R China;

    Sichuan Univ Sci &

    Engn Sch Mat Sci &

    Engn Mat Corros &

    Protect Key Lab Sichuan Prov Zigong 643000 Peoples R China;

    Sichuan Univ West China Hosp West China Sch Med Dept Orthoped Chengdu 610041 Peoples R China;

    Fourth Peoples Hosp Zigong Dept Orthoped Zigong 643000 Peoples R China;

    Sichuan Univ Sci &

    Engn Sch Mat Sci &

    Engn Mat Corros &

    Protect Key Lab Sichuan Prov Zigong 643000 Peoples R China;

    Sichuan Univ Sci &

    Engn Sch Mat Sci &

    Engn Mat Corros &

    Protect Key Lab Sichuan Prov Zigong 643000 Peoples R China;

    Oriental Inst Technol Dept Mat &

    Text New Taipei 22061 Taiwan;

    Lee Ming Inst Technol Dept Fash Business Adm New Taipei 24305 Taiwan;

    Sichuan Univ Sci &

    Engn Sch Mat Sci &

    Engn Mat Corros &

    Protect Key Lab Sichuan Prov Zigong 643000 Peoples R China;

    Sichuan Univ Sci &

    Engn Sch Mat Sci &

    Engn Mat Corros &

    Protect Key Lab Sichuan Prov Zigong 643000 Peoples R China;

    Sichuan Univ Sci &

    Engn Sch Mat Sci &

    Engn Mat Corros &

    Protect Key Lab Sichuan Prov Zigong 643000 Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 特种结构材料;
  • 关键词

    polyvinyl alcohol; functionalized graphene; nanocomposite films; mechanical properties; barrier performance; intercalation;

    机译：聚乙烯醇;官能化石墨烯;纳米复合薄膜;机械性能;屏障性能;嵌入;

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