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Preparation and characterization of graphene reinforced PA6 fiber

机译：石墨烯增强PA6纤维的制备与表征

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摘要

Here, we report the successful preparation of PA6/GO composite fibers through in situ polymerization and the melting spinning method. The results suggest that graphene has induced only minor changes on the relative viscosity yet exhibits significant effects on the crystallization characteristics. The SEM images of the fibers have shown several expended borders as a consequence of graphene addition. The maximum strength of the composite fibers (5.3 cN/dtex) has been reached 0.05 wt % graphene added to the system; the draw ratio was equaled to 3.8. Compared to the neat PA6 fiber, the fibers with graphene displayed superior creep resistance features; the creep rate constant was 0.38 at a 0.05 graphene concentration, with a draw ratio of 3.5. The approach employed in this research paves the way towards PA6/graphene nanocomposites have been prepared through in situ polymerization using caprolactam and graphene oxide/water pulp as starting materials. In situ polymerization approach facilitated a superior interaction between PA6 and graphene. Compared to graphene oxide powder, the graphene oxide in water pulp has prevented the agglomeration when added to the caprolactam melt, leading to its enhanced dispersion within the system. PA6/graphene as-spun fiber has been produced by the mean of melt-spinning strategy using a melt-spinning machine, obtaining products with different draw ratios after drawing at 120 degrees C. (C) 2017 Wiley Periodicals, Inc.
机译：这里，我们通过原位聚合和熔化纺丝方法报告PA6 /去复合纤维的成功制备。结果表明，石墨烯仅诱导了对相对粘度的微小变化，但对结晶特性表现出显着影响。由于石墨烯添加，纤维的SEM图像显示了几种消耗的边界。复合纤维（5.3CN / DTEX）的最大强度已达到0.05重量％的石墨烯;拉伸比率等于3.8。与整齐的PA6纤维相比，具有石墨烯的纤维显示出优越的蠕变性能;蠕变率常数为0.05石墨烯浓度为0.38，拉伸比为3.5。本研究所采用的方法铺设了通过使用己内酰胺和石墨烯氧化物/水纸浆作为原料的原位聚合制备的PA6 /石墨烯纳米复合材料的方式。在原位聚合方法中促进了PA6和石墨烯之间的优异相互作用。与石墨烯氧化物粉相比，水纸浆中的石墨烯氧化物在加入己内酰胺熔体时防止聚集，导致其在系统内的分散增强。 PA6 /石墨烯AS-Spi纤维已经通过使用熔融纺丝机的熔融纺丝策略的平均制造，在拉伸120摄氏度后用不同的拉伸比率获得产品。（c）2017 Wiley期刊，Inc。

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  • 来源
    《Journal of Applied Polymer Science》 |2018年第10期|共10页
  • 作者

    Tang Lian; Li Yiren; Chen Ye; Ji Peng; Wang Chaosheng; Wang Huaping; Huang Qing;

  • 作者单位

    Donghua Univ State Key Lab Modificat Chem Fibers &

    Polymer Mat Key Lab Text Sci &

    Technol Minist Educ Coll Mat Sci &

    Engn Shanghai 201620 Peoples R China;

    Donghua Univ State Key Lab Modificat Chem Fibers &

    Polymer Mat Key Lab Text Sci &

    Technol Minist Educ Coll Mat Sci &

    Engn Shanghai 201620 Peoples R China;

    Donghua Univ State Key Lab Modificat Chem Fibers &

    Polymer Mat Key Lab Text Sci &

    Technol Minist Educ Coll Mat Sci &

    Engn Shanghai 201620 Peoples R China;

    Donghua Univ State Key Lab Modificat Chem Fibers &

    Polymer Mat Key Lab Text Sci &

    Technol Minist Educ Coll Mat Sci &

    Engn Shanghai 201620 Peoples R China;

    Donghua Univ State Key Lab Modificat Chem Fibers &

    Polymer Mat Key Lab Text Sci &

    Technol Minist Educ Coll Mat Sci &

    Engn Shanghai 201620 Peoples R China;

    Donghua Univ State Key Lab Modificat Chem Fibers &

    Polymer Mat Key Lab Text Sci &

    Technol Minist Educ Coll Mat Sci &

    Engn Shanghai 201620 Peoples R China;

    China Text Acad Beijing 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

    applications; polyamides; textiles;

    机译：应用;聚酰胺;纺织品;

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