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首页> 外文期刊>The Journal of the Textile Institute >Preparation and characterization of shear thickening fluid coated polypropylene fabric for soft armour application
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Preparation and characterization of shear thickening fluid coated polypropylene fabric for soft armour application

机译：软装甲应用的剪切增稠流体涂层聚丙烯织物的制备与表征

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Presently, high performance fibres have been used for soft body armours. However, the use of multilayer high performance fibres involves high cost and complex manufacturing process. The present analysis focused on preparation and characterization of shear thickening fluid coated, cost effective polypropylene fabric with high strength and modulus. Silicon dioxide (SiO2) nanoparticles with different morphologies were synthesised through two different chemical routes. Various volume fractions of SiO(2)nanoparticles were dispersed in polyethylene glycol 200 M(w)and the shear thickening behaviour was investigated. This analysis reveals that the viscosity of the fluid extensively depends on morphology, volume fraction and particle size distribution of the nanoparticles. The optimized composition of SiO(2)nanoparticles exhibiting shear thickening behaviour was coated on polypropylene fabric and subjected to the evaluation of puncture resistance at low and high speed with two different geometry of projectiles (elliptical and flat). The coating thickness of STF was optimized based on high strength, modulus and high puncture resistance.
机译：目前，高性能纤维已用于软体臂。然而，使用多层高性能纤维涉及高成本和复杂的制造过程。本分析专注于制备和表征剪切增稠流体涂层，具有高强度和模量的成本有效的聚丙烯织物。通过两种不同的化学途径合成具有不同形态的二氧化硅（SiO 2）纳米颗粒。将各种体积分数的SiO（2）纳米颗粒分散在聚乙二醇200m（w）中，研究了剪切增厚行为。该分析表明，流体的粘度广泛取决于纳米颗粒的形态，体积分数和粒度分布。将剪切增稠行为的SiO（2）纳米粒子的优化组合物涂覆在聚丙烯织物上，并以低速和高速进行刺穿抗性的评价，射弹两种不同的几何形状（椭圆形和平坦）。基于高强度，模量和高穿刺性，优化STF的涂层厚度。

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