向宇,吴俊,张晓辉,鲍志强.碳纳米管在氢化丁腈橡胶密封制品中的应用[J].橡胶科技,2019,17(8):0462-0466. |
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碳纳米管在氢化丁腈橡胶密封制品中的应用 |
Application of Carbon Nanotubes in Hydrogenated Nitrile Butadiene Rubber Sealing Products |
投稿时间:2019-04-24 修订日期:2019-04-24 |
DOI:10.12137/j.issn.2095-5448.2019.08.0462 |
中文关键词: 碳纳米管 氢化丁腈橡胶 密封制品 旋转油封 使用寿命 |
英文关键词: carbon nanotubes hydrogenated nitrile butadiene rubber sealing product rotary oil seal service life |
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中文摘要: |
研究碳纳米管在氢化橡胶橡胶(HNBR)密封制品中的应用。结果表明:碳纳米管用量对HNBR胶料的硫化特性影响不大;随着碳纳米管用量增大,硫化胶的100%定伸应力逐渐增大,拉断伸长率呈降低趋势,硬度、拉伸强度、撕裂强度和压缩永久变形均先减小后增大,耐老化性能提高,耐油性能差异不大,混炼胶的损耗因子(tanδ)变化不明显;在应变扫描下,硫化胶tanδ与硬度相关性较大;台架试验中添加8份碳纳米管的旋转油封的使用寿命明显延长,且工作中温升较小。 |
英文摘要: |
The application of carbon nanotubes in hydrogenated rubber(HNBR)seals was studied. The results showed that,the amount of carbon nanotubes had little effect on the vulcanization properties of HNBR compound. As the amount of carbon nanotubes increased,the tensile modulus increased gradually and the elongation at break decreased,the hardness,tensile strength,tear strength and permanent compression deformation decreased first and then increased,the aging resistance was improved,and the oil resistance changed little. With the appropriate amount of carbon nanotubes,the tanδ of the vulcanizates were small under low frequency strain and the increase of heat generation under high frequency strain was not significant. The service life of rotating oil seal with 8 phr carbon nanotubes using bench test was obviously prolonged,and the heat generation in work was small. |
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