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首页> 外文期刊>Journal of Applied Polymer Science >Tailoring the structure of Kevlar nanofiber and its effects on the mechanical property and thermal stability of carboxylated acrylonitrile butadiene rubber
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Tailoring the structure of Kevlar nanofiber and its effects on the mechanical property and thermal stability of carboxylated acrylonitrile butadiene rubber

机译：粉红色纳米纤维的结构及其对羧基丙烯腈丁二烯橡胶力学性能和热稳定性的影响

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摘要

Water-dispersible hydrolyzed Kevlar nanofibers (hANFs) prepared by acid-assisted hydrothermal treatments of Kevlar nanofibers (ANFs) were first incorporated into carboxylated acrylonitrile butadiene rubber (XNBR) by a latex co-coagulation method. The obtained hANFs maintained the one-dimensional nanofibrous morphology and crystal structure as ANFs. There were amounts of polar groups appearing at the end of hANFs molecular chains after hydrothermal process, which led to the strong hydrogen bonding interaction between the filler and XNBR matrix. The results indicated that hANFs had significant reinforcement effects on the mechanical properties, crosslink density, and thermal stability of XNBR matrix. In comparison with those of neat XNBR, the tensile strength, tear strength, crosslink density, and maximum heat decomposition temperature (T-max) of XNBR/hANFs nanocomposites filled with 7 phr hANFs increased by 236%, 161%, 35%, and 19.64 degrees C, respectively. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47698.
机译：通过酸氮纳米纤维（ANFS）制备的水分散性水解的Kevlar纳米纤维（HANF）通过乳胶共凝法首先掺入羧化丙烯腈丁二烯橡胶（XNBR）中。获得的HANFS将一维纳米纤维形态和晶体结构保持为ANF。在水热过程后HANFS分子链结束时出现了量的极性基团，其导致填充剂和XNBR基质之间的强氢键相互作用。结果表明，HANF对XNBR基质的机械性能，交联密度和热稳定性具有显着的增强作用。与整齐XNBR的那些相比，XNBr / HANFS纳米复合材料的拉伸强度，撕裂强度，交联密度和最大热分解温度（T-MAX）填充有7氯HANF，增加236％，161％，35％和分别为19.64℃。 （c）2019 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019,136,47698。

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  • 来源
    《Journal of Applied Polymer Science》 |2019年第26期|共10页
  • 作者

    Xue Xiaodong; Jiang Kuan; Yin Qing; Zhang Xumin; Zhang Wanqi; Jia Hongbing; Ji Qingmin;

  • 作者单位

    Nanjing Univ Sci &

    Technol Key Lab Soft Chem &

    Funct Mat Minist Educ Nanjing 210094 Jiangsu Peoples R China;

    Nanjing Univ Sci &

    Technol Key Lab Soft Chem &

    Funct Mat Minist Educ Nanjing 210094 Jiangsu Peoples R China;

    Nanjing Univ Sci &

    Technol Key Lab Soft Chem &

    Funct Mat Minist Educ Nanjing 210094 Jiangsu Peoples R China;

    Nanjing Univ Sci &

    Technol Key Lab Soft Chem &

    Funct Mat Minist Educ Nanjing 210094 Jiangsu Peoples R China;

    Nanjing Univ Sci &

    Technol Key Lab Soft Chem &

    Funct Mat Minist Educ Nanjing 210094 Jiangsu Peoples R China;

    Nanjing Univ Sci &

    Technol Key Lab Soft Chem &

    Funct Mat Minist Educ Nanjing 210094 Jiangsu Peoples R China;

    Nanjing Univ Sci &

    Technol Herbert Gleiter Inst Nanosci Nanjing 210094 Jiangsu Peoples R China;

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  • 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

    composites; mechanical properties; rubber; thermal properties;

    机译：复合材料;机械性能;橡胶;热性能;

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