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首页> 外文期刊>Materials Technology >Application of nanomaterials in sizings for glass fibre/polypropylene hybrid yarn spinning
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Application of nanomaterials in sizings for glass fibre/polypropylene hybrid yarn spinning

机译：纳米材料在玻璃纤维/聚丙烯混纺纱上浆中的应用

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摘要

Simultaneous spinning of commingled yarns and their investigation in terms of distribution homogeneity and thermal shrinkage is described in comparison with those intermingled by air jet texturing. Furthermore, the incorporation of various nanofillers into glass fibre (GF) sizings is demonstrated as an approach to achieve nanostructured interfaces and interphases in composites materials. Nanoclay, TiO_2 and multiwalled carbon nanotubes (MWNT) were used in the GF sizings. The use of the smallest amounts of different nanofillers affects the GF strength, the fibre-matrix adhesion as well as the mechanical properties of the composites to a varying extent as was evidenced by mechanical testing of the GF and the unidirectional composites. One of the suggested mechanisms of the MWNT in the fibre/matrix interface is the impact on the crystalline morphology of the polymeric matrix. Moreover, fracture mechanisms inherent to MWNT can affect the mechanical performance of the yarns and the composites. Similar to conventional nanocomposites, the dispersion and homogeneous distribution of the nanoparticles is of vital interest if their characteristics as reinforcing material shall be exploited.
机译：与通过喷气变形混合的那些相比，描述了混合纱线的同时纺纱以及它们在分布均匀性和热收缩方面的研究。此外，已证明将各种纳米填料掺入玻璃纤维（GF）浆料中是一种在复合材料中实现纳米结构界面和中间相的方法。 GF浆料中使用了纳米粘土，TiO_2和多壁碳纳米管（MWNT）。最小量的不同纳米填料的使用在不同程度上影响了GF的强度，纤维基质的粘附力以及复合材料的机械性能，这是通过GF和单向复合材料的机械测试证明的。 MWNT在纤维/基质界面中的建议机制之一是对聚合物基质的结晶形态的影响。此外，MWNT固有的断裂机制会影响纱线和复合材料的机械性能。类似于常规的纳米复合材料，如果应利用纳米颗粒作为增强材料的特性，则纳米颗粒的分散性和均匀分布至关重要。

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