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Ballistic Behaviour of PACVD-Modified Textiles

机译：PACVD改性纺织品的弹道行为

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摘要

A comprehensive study was performed using the Plasma Assisted Chemical Vapour Deposition (PACYD) mod t cation of ultrahigh molecular weight polyethylene (UHMWPE)fibrous composites and paramid fabrics with the deposition offluoro-or silane-like-potymer onto their surface. Research on the resistance to fragments was performed on the basis of our own testing procedure elaborated on the basis of the STANAG 2920 Ballistic Test Method For Personal Armour Materials And Combat Clothing, revision 2. The model insert systems made of the modified or unmodified unwoven sheets of UHMWPE fibres exhibited significantly different trends of changes in fragment-proofiiess when the temperature together with humidity were applied as the ageing factors. In the inserts made of modified unwoven sheets, an increase in the V50 value was observed, while the V50 of the inserts made of unmodified sheets decreased along with the extension of the accelerated ageing process. Modification with low-temperature plasma in the presence of vapours of low-molecular fluorine- or silane-genic substrates altered the properties of the fabrics and unwoven sheets. PACVD modification allows to prevent the destructive influence of humidity during the aging process.
机译：使用超高分子量聚乙烯（UHMWPE）纤维复合材料和对位芳纶织物的等离子体辅助化学气相沉积（PACYD）修饰，并在其表面上沉积了氟或类硅烷聚合物，进行了全面的研究。在我们自己的测试程序的基础上进行了抗碎片性的研究，该程序基于STANAG 2920个人装甲材料和战斗服弹道测试方法，修订版2进行了详细说明。模版系统由改性或未改性的无纺布制成当温度和湿度作为老化因子时，UHMWPE纤维的抗断裂性变化趋势显着不同。在由改性非织造片材制成的插入物中，观察到V50值增加，而由未改性片材制成的插入物的V50随着加速老化过程的延长而降低。在低分子氟或硅烷类底物的蒸气存在下，用低温等离子体进行的改性改变了织物和非织造片的性能。 PACVD改性可以防止老化过程中湿度的破坏性影响。

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