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首页> 外文期刊>Polymers for advanced technologies >Mechanical properties of rigid polyurethane composites reinforced with surface treated ultrahigh molecular weight polyethylene fibers
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Mechanical properties of rigid polyurethane composites reinforced with surface treated ultrahigh molecular weight polyethylene fibers

机译：用表面处理的超高分子量聚乙烯纤维增强刚性聚氨酯复合材料的力学性能

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摘要

The mechanical properties of ultrahigh molecular weight polyethylene (UHMWPE) fibers reinforced rigid polyurethane (PU) composites were studied, and the effects of the fiber surface treatment and the mass fraction were discussed. Chromic acid was used to treat the UHMWPE fibers, and polyurethane composites were prepared with 0.1 to 0.6wt% as-received and treated UHMWPE fibers. Attenuated total reflection Fourier transform infrared demonstrated that oxygen-containing functional groups were efficiently grafted to the fiber surface. The mechanical performance tests of the UHMWPE fibers/PU composites were conducted, and the results revealed that the treated UHMWPE fibers/PU composites had better tensile, compression, and bending properties than as-received UHMWPE fibers/PU composites. Thermal gravimetric analyzer showed that the thermal stability of the treated fiber composites were improved. The interface bonding of PU composites were investigated by scanning electron microscopy and dynamic mechanical analysis, and the results indicated that the surface modification of UHMWPE fiber could improve the interaction between fiber and PU, which played a positive role in mechanical properties of composites.
机译：研究了超高分子量聚乙烯（UHMWPE）纤维增强刚性聚氨酯（PU）复合材料的机械性能，讨论了纤维表面处理的影响和质量分数。使用铬酸来治疗UHMWPE纤维，并使用0.1至0.6wt％的接收和处理的UHMWPE纤维制备聚氨酯复合材料。衰减的总反射傅里叶变换红外证明含氧官能团被有效地接枝到纤维表面上。进行了UHMWPE纤维/ PU复合材料的机械性能试验，结果表明，处理的UHMWPE纤维/ PU复合材料具有比接收的UHMWPE纤维/ PU复合材料更好的拉伸，压缩和弯曲性能。热重分析仪表明，改善了处理过的纤维复合材料的热稳定性。通过扫描电子显微镜和动态力学分析研究了PU复合材料的界面键合，结果表明，UHMWPE纤维的表面改性可以改善纤维和PU之间的相互作用，这在复合材料的机械性能下起到了阳性作用。

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  • 作者

    Meng Li; Li Weiwei; Ma Renliang; Huang Momo; Cao Yingbo; Wang Jiawen;

  • 作者单位

    Ningbo Univ Fac Mat Sci &

    Chem Engn Ningbo Key Lab Specialty Polymers Ningbo 315211 Zhejiang Peoples R China;

    Ningbo Univ Fac Mat Sci &

    Chem Engn Ningbo Key Lab Specialty Polymers Ningbo 315211 Zhejiang Peoples R China;

    Ningbo Univ Fac Mat Sci &

    Chem Engn Ningbo Key Lab Specialty Polymers Ningbo 315211 Zhejiang Peoples R China;

    Ningbo Univ Fac Mat Sci &

    Chem Engn Ningbo Key Lab Specialty Polymers Ningbo 315211 Zhejiang Peoples R China;

    Ningbo Univ Fac Mat Sci &

    Chem Engn Ningbo Key Lab Specialty Polymers Ningbo 315211 Zhejiang Peoples R China;

    Ningbo Univ Fac Mat Sci &

    Chem Engn Ningbo Key Lab Specialty Polymers Ningbo 315211 Zhejiang 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; polyurethane; UHMWPE fiber;

    机译：复合材料;机械性能;聚氨酯;UHMWPE纤维;

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