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A facile approach to fabricate waterborne, nanosized polyaniline-graft-(sulfonated polyurethane) as environmental antistatic coating

机译:制造水性,纳米化聚苯胺 - 移植物(磺化聚氨酯)作为环境抗静电涂层的容易方法

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摘要

Waterborne polyurethane (WPU) has been intensively utilized as host materials for intrinsic conducting polymers. However, the stability and compatibility between polyaniline (PANI) and WPU remain a challenge for their composites. In this research, anionic-nonionic sulfonated waterborne polyurethane (SWPU) is adopted as matrix to prepare nanosized PANI-g-SWPU dispersions through chemical graft polymerization method, and the stability mechanism is systematically investigated. The PANI-g-SWPU dispersion is endowed with much higher stability and no PANI precipitation is detected after storage for 1 year when the PEG molecular weight is 1000 and R value is 1.2. The surface resistivity reaches the minimum when the graft time is 2.5 h, pH value is 2, n(APS)/n(aniline) is 1, and the aniline content is 20 wt %. And the resistivity of the coated paper reaches 1.39 cm, indicating that the as-prepared PANI-g-SWPU dispersion can be directly used as the antistatic coatings, which is also suitable for large scalable production. (C) 2017 Wiley Periodicals, Inc.
机译:水性聚氨酯(WPU)被密集地用作固有导电聚合物的主体材料。然而,聚苯胺(PANI)和WPU之间的稳定性和相容性仍然是它们复合材料的挑战。在这项研究中,阴离子 - 非离子的磺化的水性聚氨酯(西南石油大学)作为基质来制备纳米尺寸的通过化学接枝聚合法PANI-G-西南石油大学分散体和稳定机构被系统地研究。 PANI-G-SWPU分散体具有更高的稳定性,并且当PEG分子量为1000并且R值为1.2时,储存后1年内未检测到PANI沉淀。当移植时间为2.5小时时,表面电阻率达到最小值,pH值为2,N(AP)/ N(苯胺)为1,苯胺含量为20wt%。涂布纸的电阻率达到1.39厘米,表明可以直接用作抗静电涂层的制备的PANI-G-SWPU分散体,这也适用于大型可扩展生产。 (c)2017 Wiley期刊,Inc。

著录项

  • 来源
    《Journal of Applied Polymer Science》 |2017年第42期|共12页
  • 作者单位

    Shaanxi Univ Sci &

    Technol Key Lab Auxiliary Chem &

    Technol Chem Ind Minist Educ Xian 710021 Shaanxi Peoples R China;

    Shaanxi Univ Sci &

    Technol Key Lab Auxiliary Chem &

    Technol Chem Ind Minist Educ Xian 710021 Shaanxi Peoples R China;

    Shaanxi Univ Sci &

    Technol Key Lab Auxiliary Chem &

    Technol Chem Ind Minist Educ Xian 710021 Shaanxi Peoples R China;

    Shaanxi Univ Sci &

    Technol Key Lab Auxiliary Chem &

    Technol Chem Ind Minist Educ Xian 710021 Shaanxi Peoples R China;

    Shaanxi Univ Sci &

    Technol Key Lab Auxiliary Chem &

    Technol Chem Ind Minist Educ Xian 710021 Shaanxi Peoples R China;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 高分子化合物工业(高聚物工业);
  • 关键词

    coatings; conducting polymers; polyurethane;

    机译:涂料;导电聚合物;聚氨酯;

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