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A Study on Functionalization of Waste Tire Rubber Powder Through Ozonization

机译：臭氧化处理废旧轮胎胶粉的研究

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摘要

In this study, ozone treatment was used to improve the surface wettability of waste tire rubber (WTR) powders. Fourier transform infrared (FTIR) and X-ray photoelectron spectroscopy (XPS) were performed in order to characterize the surface composition of the treated samples. The progress of surface modification was also monitored by contact angle measurements of different test liquids (water and liquid paraffin). The surface energy values were evaluated in terms of the Owens' method and the contact angle data were compared with the results obtained by the surface analytical methods (i.e. FTIR and XPS measurements). These results showed that ozone treatment lead to a remarkable decrease in water contact angle owing to the implantation of oxygen-containing functional groups. Using XPS and FTIR, the oxygen-con taining groups can be identified as C-O, O-C=O and C=O. With prolongation of ozone treatment time, WTR exhibited increasing oxygen-containing groups, surface energy and wettability.
机译：在这项研究中，臭氧处理被用来提高废轮胎橡胶（WTR）粉末的表面润湿性。进行傅里叶变换红外（FTIR）和X射线光电子能谱（XPS），以表征处理过的样品的表面成分。还通过不同测试液体（水和液体石蜡）的接触角测量来监测表面改性的进度。根据欧文斯方法评估表面能值，并将接触角数据与通过表面分析方法（即FTIR和XPS测量）获得的结果进行比较。这些结果表明，由于含氧官能团的注入，臭氧处理导致水接触角显着降低。使用XPS和FTIR，可以将含氧基团鉴定为C-O，O-C = O和C = O。随着臭氧处理时间的延长，WTR显示出增加的含氧基团，表面能和润湿性。

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  • 来源
    《Journal of Polymers and the Environment》 |2011年第4期|p.943-949|共7页
  • 作者

    Ping Fan; Canhui Lu;

  • 作者单位

    The State Key Laboratory of Polymer Materials Engineering,Polymer Research Institute of Sichuan University, Chengdu610065, China;

    The State Key Laboratory of Polymer Materials Engineering,Polymer Research Institute of Sichuan University, Chengdu610065, China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    waste tire rubber; ozone; functionalization; XPS; FTIR;

    机译：废轮胎橡胶;臭氧;功能化;XPS;红外光谱;

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