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Surface Modification of Basic Magnesium Sulfate Whiskers

机译：碱性硫酸镁晶须的表面改性

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摘要

Surface modification was conducted on the basic magnesium sulfate whiskers (MSW) using sodium stearate. The modification performance was evaluated by comparing the activation index, oil absorption value, rest angle, and dispersibility in polypropylene (PP) resin prior to and after treatment. It was found that the surface properties of the whiskers were improved by sodium stearate modification. In particular, the improvement in the dispersibility in PP was significant. Surface characterization was conducted using scanning electron microscopy (SEM), thermogravimetric-differential scanning calorimetry (TG-DSC) and fourier transform infrared spectroscopy (FTIR) for the raw and modified whiskers. The results indicated the co-existence of both chemical and physical adsorptions of sodium stearate on the surfaces of MSW.
机译：使用硬脂酸钠对碱性硫酸镁晶须（MSW）进行表面改性。通过比较活化前后的活化指数，吸油值，静止角和在聚丙烯（PP）树脂中的分散性来评估改性性能。发现通过硬脂酸钠改性改善了晶须的表面性质。特别地，在PP中的分散性的改善是显着的。使用扫描电子显微镜（SEM），热重差示扫描量热法（TG-DSC）和傅里叶变换红外光谱（FTIR）对生晶须和改性晶须进行表面表征。结果表明硬脂酸钠在化学废物表面的化学和物理吸附同时存在。

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  • 来源
    《Powder Technology and Application》|2008年|191-198|共8页
  • 会议地点 Beijing(CN)
  • 作者

    Yuexin Han; Lixia Li; Xu Chen; Songbo Zhang; Yubin Wang; Xinchao Wei;

  • 作者单位

    School of Resources and Civil Engineering, Northeastern University, Shenyang 110004, China;

    School of Resources and Civil Engineering, Northeastern University, Shenyang 110004, China;

    School of Resources and Civil Engineering, Northeastern University, Shenyang 110004, China;

    School of Resources and Civil Engineering, Northeastern University, Shenyang 110004, China;

    School of Resources and Civil Engineering, Northeastern University, Shenyang 110004, China;

    Department of Civil and Environmental Engineering, West Virginia University, Morgantown, WV 26506, U.S.A;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 粉末技术;
  • 关键词

    basic magnesium sulfate whiskers; sodium stearate; surface modification; polypropylene;

    机译：碱性硫酸镁晶须；硬脂酸钠表面改性；聚丙烯;

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