柔性防刺材料结构设计与性能研究

发布时间：2018-01-04 01:12

本文关键词：柔性防刺材料结构设计与性能研究　出处：《天津工业大学》2017年硕士论文　论文类型：学位论文

【摘要】：在我国以及世界上大多数国家人们所面临的主要人身伤害包括刀具和其它尖锐类器具造成的刺伤、割伤及划伤。对于应用于防护服装的柔性防刺材料,目前还存在着厚重板硬,透湿性、透气性差等一系列缺点,因此本课题从防刺材料的结构、原料及加工工艺出发,在保证防护性的基础上提高材料的服用性能,使其应用于防刺服装时具备更加良好的隐蔽性及舒适性。本课题在综合比较多种织物组织结构的基础上,选择柔性最好的针织结构与抗剪切性最好的非织造结构进行复合。在高性能纤维原料上选择密度最小且柔软顺滑的超高分子量聚乙烯纤维,另选择吸湿性很好的黏胶纤维和PET-PA6双组分橘瓣纤维改善加工过程中的静电现象并提高材料的透湿性能。加工方法是采用超高分子量聚乙烯长丝直接加捻织造成的1+1罗纹织物作为基布,将黏胶长丝和超高分子量聚乙烯长丝通过多管道间隔输送长丝铺网的方法铺放在基布上,并覆以PET-PA6双组分橘瓣纤维水刺布,采用预针刺和水刺工艺加以复合制得长丝加筋非织造材料。该材料将针织线圈结构的优良弹性和"锁住"刀尖的特点与非织造布的抗剪切性能相结合,将超高分子量聚乙烯纤维的高强度高模量和粘胶纤维的高吸湿性、橘瓣纤维的导湿性相结合,使非织造材料的抗静态穿刺性能提高近2倍,动态穿透厚度减少10.95mm,抗弯模量减少约75%,悬垂系数降低19.73%,透湿性能提高30%,可见该加筋非织造材料具有优良的防刺性和舒适性。另外,对防刺层采取边缘渐薄间隔固定的处理技巧,对防刺服的结构进行优化设计,提高其隐蔽性。最终,本课题采用加筋非织造复合材料制作的新款防刺西服马甲总重1.32kg,厚度5.28mm~19.17mm,比原防刺背心轻0.96kg,薄6.25mm。满足GA68-2008《警用防刺服》和美国 NIJ Standard-0115.00《Stab Resistance of Personal Body Armor》的一级防护标准,外观新颖,柔软透气,舒适性好,可搭配西装穿着,隐蔽性佳。
[Abstract]:In our country and most of the countries in the world, the main personal injuries that people face include stab wounds, cuts and scratches caused by cutting tools and other sharp instruments, as well as flexible anti-prickly materials used in protective clothing. At present, there are a series of shortcomings such as heavy plate hard, moisture permeability, poor gas permeability and so on. Therefore, this subject is based on the structure, raw materials and processing technology of anti-prickly materials, and improves the wearability of the materials on the basis of ensuring the protection. It has better concealment and comfortableness when it is used in the burn-proof clothing. This subject is based on the comprehensive comparison of the fabric structure of many kinds of fabrics. Choose the best knit structure with the best shear resistance of nonwovens and choose the minimum density and soft smooth ultra high molecular weight polyethylene fiber on the high performance fiber raw material. Another good hygroscopic viscose fiber and PET-PA6 two-component orange flap fiber was chosen to improve the electrostatic phenomenon and improve the moisture permeability of the material during the processing. The processing method is to adopt UHMWPE filament directly. Twisting 1. 1 rib fabric as substrate. The viscose filaments and UHMWPE filaments were placed on the substrate and covered with PET-PA6 bicomponent orange fiber spurs. The filaments reinforced nonwovens were prepared by the combination of pre-needling and spurs. This material combines the excellent elasticity of the knitting coil structure and the characteristics of "locking" the tip of the knife with the shear resistance of the nonwovens. By combining the high strength and high modulus of UHMWPE fiber with the high moisture absorption of viscose fiber and the moisture conductivity of orange flap fiber, the static puncture resistance of nonwovens was improved nearly 2 times. The dynamic penetration thickness is reduced by 10.95mm, the flexural modulus is reduced by about 75mm, the drape coefficient is reduced by 19.73mm, and the moisture permeability is improved by 30%. It can be seen that the reinforced nonwoven material has excellent burn-resistance and comfort. In addition, the anti-punching layer is treated with the technique of thinning and fixing the edge, and the structure of the anti-punching suit is optimized to improve its concealment. The total weight and thickness of the new vest made of reinforced nonwovens are 1.32 kg and 5.28 mm and 19.17 mm respectively, which are 0.96 kg lighter than the original vest. Thin 6.25mm. satisfying GA68-2008 < police burr suit] and NIJ Standard-0115.00 < Stab Resistance of. The primary protection standard for Personal Body Armor >. The appearance is novel, soft and breathable, comfortable, can match suit to wear, concealment is good.
【学位授予单位】：天津工业大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TS171

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