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首页> 外文期刊>Journal of Applied Polymer Science >Improvement of thermal stability and flame retardancy of polypolypropylene composite modified by ZnO and MoO3 nanowires
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Improvement of thermal stability and flame retardancy of polypolypropylene composite modified by ZnO and MoO3 nanowires

机译：通过ZnO和MOO3纳米线改性萘二丙烯复合材料的热稳定性和阻燃性的改善

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Herein, zinc oxide (ZnO) and molybdenum trioxide (MoO3) nanowires were prepared via the hydrothermal method. Then as-prepared ZnO and MoO3 nanowires were fabricated to form ZnO/MoO3 compound nanostructure. ZnO/MoO3 compounds were incorporated into polypropylene (PP) with various loadings by melt blending. The D-Optimal mixing design in Design-Expert software was employed to study the effects of ZnO/MoO3 compound content on flame retardancy and mechanical properties of nanocomposites. Information on performance of thermal stability and flame retardancy of PP/ZnO/MoO3 nanocomposites was obtained through thermogravimetric analysis, cone calorimeter tests, and limiting oxygen index (LOI). The results reflected that the synthesized ZnO/MoO3 compound possessed high thermal stability and flame retardancy. The addition of 15 wt % ZnO nanowires and 13 wt % MoO3 nanowires increased LOI from 18.2 to 23.0%. Meanwhile, the tensile strength of the PP/ZnO/MoO3 nanocomposite decreased by 13.8% and the elongation at break of the PP nanocomposite increased by 20.4% compared with pure PP. Response surface analysis results also indicated that the loading of ZnO/MoO3 compound had an influence on the mechanical properties and flame retardancy of PP. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 48312.
机译：这里，通过水热法制体制备氧化锌（ZnO）和三氧化钼（MOO3）纳米线。然后制备如制备的ZnO和MOO3纳米线以形成ZnO / MOO3化合物纳米结构。将ZnO / MOO3化合物掺入聚丙烯（PP）中，通过熔融共混，各种载体。使用设计专家软件中的D-最佳混合设计来研究ZnO / MOO3化合物含量对纳米复合材料的阻燃性和机械性能的影响。通过热量分析，锥形量热检测，限制氧指数（LOI），获得了PP / ZnO / MOO3纳米复合材料的热稳定性和阻燃性的性能信息。结果反映了合成的ZnO / MOO3化合物具有高热稳定性和阻燃性。加入15wt％ZnO纳米线和13wt％Moo3纳米线从18.2-23.0％增加。同时，与纯PP相比，PP / ZnO / MOO3纳米复合材料的拉伸强度降低了13.8％，PP纳米复合材料的断裂伸长量增加了20.4％。响应表面分析结果还表明，ZnO / MOO3化合物的负载对PP的机械性能和阻燃性的负载影响。 （c）2019 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019,136,48312。

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