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CN116100883A - Light composite armor and preparation method thereof - Google Patents

Light composite armor and preparation method thereof
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CN116100883A
CN116100883ACN202211230632.8ACN202211230632ACN116100883ACN 116100883 ACN116100883 ACN 116100883ACN 202211230632 ACN202211230632 ACN 202211230632ACN 116100883 ACN116100883 ACN 116100883A
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resin
fiber cloth
aramid fiber
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composite armor
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CN116100883B (en
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孙九霄
李雪
蔡子青
谭海英
彭家顺
张斌
罗芳
刘欣
王桦
张科
罗怡航
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Wuhan Haiwei Ship And Ocean Engineering Technology Co ltd
Xianning Haiwei Composite Material Products Co ltd
Wuhan Textile University
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Xianning Haiwei Composite Material Products Co ltd
Wuhan Textile University
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Abstract

Translated fromChinese

本发明属于防护复合材料技术领域,更具体地,涉及一种轻型复合装甲及其制备方法。该轻型复合装甲包括n层对位芳纶纤维布和n‑1层热塑性树脂,所述对位芳纶纤维布和热塑性树脂交替层叠设置,且顶层与底层均为对位芳纶纤维布,n为整数,且n≥2。本发明轻型复合装甲以热塑性聚烯烃树脂作为树脂基体,与芳纶纤维布交替层叠得到,热塑性聚烯烃树脂具有较高的断裂伸长率,实验证明相较于环氧树脂或聚碳酸酯等常规的树脂基体,本发明采用的热塑性聚烯烃弹性体树脂与芳纶纤维布复合表现出更为优异的防护性能。

Figure 202211230632

The invention belongs to the technical field of protective composite materials, and more specifically relates to a light composite armor and a preparation method thereof. The lightweight composite armor includes n layers of para-aramid fiber cloth and n-1 layers of thermoplastic resin, the para-aramid fiber cloth and thermoplastic resin are alternately stacked, and the top and bottom layers are para-aramid fiber cloth, n is an integer, and n≥2. The light-duty composite armor of the present invention uses thermoplastic polyolefin resin as the resin matrix, and is alternately laminated with aramid fiber cloth. The resin matrix, the thermoplastic polyolefin elastomer resin used in the present invention is combined with the aramid fiber cloth to show more excellent protection performance.

Figure 202211230632

Description

Translated fromChinese
一种轻型复合装甲及其制备方法A kind of light composite armor and its preparation method

技术领域technical field

本发明属于防护复合材料技术领域,更具体地,涉及一种轻型复合装甲及其制备方法。The invention belongs to the technical field of protective composite materials, and more specifically relates to a light composite armor and a preparation method thereof.

背景技术Background technique

目前防弹材料的主要材质是对位芳纶机织布,机织布由经向、纬向芳纶长丝编织而成,与树脂通过模压制备成芳纶纤维增强树脂基复合材料,芳纶纤维以其高比模量、高比强度、密度低、耐疲劳、耐高温等优异性能在航空航天等多个领域得到了广泛应用,但芳纶纤维的结晶度高,表面缺少活性基团,分子间氢键结合较弱,与树脂的浸润性差,与树脂制备的复合材料的界面粘结性能较低,粘附性及浸润性很差,两相之间的界面粘结较低。At present, the main material of bulletproof materials is para-aramid woven fabric, which is woven from aramid filaments in warp and weft directions, and is molded with resin to form aramid fiber-reinforced resin-based composite material. Aramid fiber With its high specific modulus, high specific strength, low density, fatigue resistance, high temperature resistance and other excellent properties, it has been widely used in aerospace and other fields, but the crystallinity of aramid fiber is high, the surface lacks active groups, and the molecular The interfacial hydrogen bond is weak, the wettability with the resin is poor, the interfacial bonding performance of the composite material prepared with the resin is low, the adhesion and wettability are very poor, and the interfacial bonding between the two phases is low.

目前作为最常用的树脂之一环氧树脂,其存在脆性高,抗开裂性能差等缺点。其中作为纤维增强的树脂基体,环氧树脂主要作用是传递纤维之间的应力;减缓外力对复合材料的冲击,但是环氧树脂作为复合材料的基体,其制备的防护装甲的防护性能还有待进一步提高。As one of the most commonly used resins, epoxy resin has the disadvantages of high brittleness and poor crack resistance. Among them, as a fiber-reinforced resin matrix, the main function of epoxy resin is to transmit the stress between fibers; to slow down the impact of external forces on composite materials, but as the matrix of composite materials, epoxy resin has a need for further protection in the preparation of protective armor. improve.

近些年有人发现超高分子量聚乙烯纤维与芳纶纤维相比,具有更优异的防弹性能,但是超高分子量聚乙烯纤维耐温性能和阻燃性能不佳,不能满足实际应用时的耐温和阻燃要求。In recent years, it has been found that ultra-high molecular weight polyethylene fiber has better bulletproof performance than aramid fiber, but the temperature resistance and flame retardancy of ultra-high molecular weight polyethylene fiber are not good, which cannot meet the temperature and temperature resistance in practical applications. Flame retardant requirements.

发明内容Contents of the invention

本发明的目的在于提供一种轻型复合装甲及其制备方法,以解决现有技术复合装甲防护性能欠佳等的技术问题。The object of the present invention is to provide a light composite armor and its preparation method to solve the technical problems of poor protective performance of the composite armor in the prior art.

为实现上述目的,本发明提供了一种轻型复合装甲,包括n层对位芳纶纤维布和n-1层热塑性树脂,所述对位芳纶纤维布和热塑性树脂交替层叠设置,且顶层与底层均为对位芳纶纤维布,n为整数,且n≥2。To achieve the above object, the present invention provides a lightweight composite armor, comprising n layers of para-aramid fiber cloth and n-1 layers of thermoplastic resin, the para-aramid fiber cloth and thermoplastic resin are alternately stacked, and the top layer and The bottom layer is all para-aramid fiber cloth, n is an integer, and n≥2.

优选地,所述热塑性树脂包含断裂伸长率大于或等于300%的弹性体树脂,优选为断裂伸长率大于或等于400%的弹性体树脂。Preferably, the thermoplastic resin comprises an elastomeric resin with an elongation at break greater than or equal to 300%, preferably an elastomeric resin with an elongation at break greater than or equal to 400%.

优选地,所述弹性体树脂为聚烯烃树脂。Preferably, the elastomer resin is polyolefin resin.

进一步优选地,所述弹性体树脂为断裂伸长率大于或等于400%的聚烯烃树脂,其中聚丙烯的摩尔百分含量大于70%。Further preferably, the elastomer resin is a polyolefin resin with an elongation at break greater than or equal to 400%, wherein the mole percentage of polypropylene is greater than 70%.

优选地,所述聚烯烃树脂为颗粒状或无纺布状。Preferably, the polyolefin resin is in the form of granules or non-woven fabrics.

进一步优选地,所述聚烯烃树脂为无纺布状,所述无纺布状的聚烯烃树脂为由熔喷工艺制备得到。Further preferably, the polyolefin resin is in the form of a non-woven fabric, and the polyolefin resin in the form of a non-woven fabric is prepared by a melt-blowing process.

优选地,任意两层对位芳纶纤维布的夹角为0°、90°或45°。Preferably, the angle between any two layers of para-aramid fiber cloth is 0°, 90° or 45°.

优选地,所述热塑性树脂中还含有阻燃剂,所述阻燃剂为聚磷酸铵、氢氧化铝和蒙脱石的混合物,其中聚磷酸铵、氢氧化铝和蒙脱石的质量比为(12-18):(3-7):(3-7)。Preferably, the thermoplastic resin also contains a flame retardant, which is a mixture of ammonium polyphosphate, aluminum hydroxide and montmorillonite, wherein the mass ratio of ammonium polyphosphate, aluminum hydroxide and montmorillonite is (12-18):(3-7):(3-7).

优选地,所述对位芳纶纤维布的面密度为300-400g/cm2;所述对位芳纶纤维布为平纹、斜纹、缎纹、方平或双轴向织物,组成所述对位芳纶纤维布的单纱断裂强度≥22.5cN/dtex,进一步优选单纱断裂强度≥23.5cN/dtex;该复合装甲中所述热塑性树脂的质量百分含量在15%-40%,所述热塑性树脂中阻燃剂的质量百分含量为15%-30%;所述复合装甲的面密度为5-30kg/m2Preferably, the surface density of the para-aramid fiber cloth is 300-400g/cm2 ; the para-aramid fiber cloth is plain weave, twill weave, satin weave, square basket or biaxial fabric, forming the para-aramid fiber cloth The single-yarn breaking strength of the aramid fiber cloth is more than or equal to 22.5cN/dtex, more preferably the single-yarn breaking strength is more than or equal to 23.5cN/dtex; the mass percentage of the thermoplastic resin in the composite armor is 15%-40%, and the The mass percent content of the flame retardant in the thermoplastic resin is 15%-30%; the surface density of the composite armor is 5-30kg/m2 .

按照本发明的另一个方面,提供了一种所述的轻型复合装甲的制备方法,将所述对位芳纶纤维布和热塑性树脂交替层叠设置后,在100-200℃、2-20MPa压力下压制10-70min制成。According to another aspect of the present invention, a method for preparing the lightweight composite armor is provided. After the para-aramid fiber cloth and the thermoplastic resin are alternately stacked, the Made by pressing for 10-70min.

总体而言,通过本发明所构思的以上技术方案与现有技术相比,具有以下有益效果:Generally speaking, compared with the prior art, the above technical solution conceived by the present invention has the following beneficial effects:

(1)本发明提供的一种轻型复合装甲,其以热塑性聚烯烃树脂作为基体,与芳纶纤维布交替层叠得到,热塑性聚烯烃树脂具有较高的断裂伸长率,实验证明相较于环氧树脂或聚碳酸酯等常规的树脂基体,本发明采用的热塑性聚烯烃弹性体树脂与芳纶纤维布复合表现出更为优异的吸能性能。(1) A light-duty composite armor provided by the present invention, which uses thermoplastic polyolefin resin as a matrix and is alternately laminated with aramid fiber cloth, and thermoplastic polyolefin resin has a higher elongation at break. Conventional resin matrices such as oxygen resin or polycarbonate, etc., the compounding of thermoplastic polyolefin elastomer resin and aramid fiber cloth in the present invention exhibits more excellent energy absorption performance.

(2)本发明提供的轻型复合装甲,优选实施例中将热塑性树脂制成无纺布,相对于颗粒状树脂材料,复合得到的复合装甲防护性能更好。(2) For the lightweight composite armor provided by the present invention, thermoplastic resins are made into non-woven fabrics in preferred embodiments. Compared with granular resin materials, the composite armor obtained by compounding has better protection performance.

(3)本发明提供的轻型复合装甲,优选实施例中采用断裂伸长率大于400%,且其中聚丙烯摩尔百分含量大于或等于70%的弹性体聚烯烃树脂作为本发明复合装甲的树脂基体,实验发现相较于其他树脂基体,本发明复合装甲防护性能有显著的提升。(3) In the light composite armor provided by the present invention, in a preferred embodiment, the elongation at break is greater than 400%, and wherein the polypropylene molar percentage is greater than or equal to 70% elastomeric polyolefin resin as the resin of the composite armor of the present invention As for the matrix, experiments have found that compared with other resin matrixes, the protection performance of the composite armor of the present invention is significantly improved.

(4)本发明提供轻型复合装甲,优选实施例在热塑性树脂中引入阻燃剂,在树脂基体中引入阻燃材料,不影响复合装甲整体的吸能性能的同时,确保复合装甲具有优异的耐高温、阻燃性能。(4) The present invention provides lightweight composite armor. In preferred embodiments, flame retardants are introduced into thermoplastic resins, and flame retardant materials are introduced into the resin matrix to ensure that the composite armor has excellent resistance to heat while not affecting the overall energy absorption performance of the composite armor. High temperature, flame retardant properties.

(5)本发明轻型复合装甲,采用的热塑性弹性体树脂不含有氮、卤素等元素,应用时不具有烟毒性,更环保更安全。(5) The thermoplastic elastomer resin used in the light-duty composite armor of the present invention does not contain elements such as nitrogen and halogen, and does not have smoke toxicity when applied, and is more environmentally friendly and safer.

附图说明Description of drawings

图1为本发明轻型复合装甲的结构示意图。Fig. 1 is the structural representation of lightweight composite armor of the present invention.

在所有附图中,相同的附图标记用来表示相同的元件或结构,其中:Throughout the drawings, the same reference numerals are used to designate the same elements or structures, wherein:

1-对位芳纶纤维布;2-热塑性树脂。1-para-aramid fiber cloth; 2-thermoplastic resin.

具体实施方式Detailed ways

为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及实施例,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

本发明提供的一种轻型复合装甲,包括n层对位芳纶纤维布和n-1层热塑性树脂,所述对位芳纶纤维布和热塑性树脂交替层叠设置,且顶层与底层均为对位芳纶纤维布,n为整数,且n≥2。该轻型复合装甲中,热塑性树脂作为基体,对位芳纶纤维布作为增强纤维材料,二者通过模压进行复合,有效提高了复合材料抗侵彻性能,提高了该复合装甲的防弹性能。A light composite armor provided by the present invention comprises n layers of para-aramid fiber cloth and n-1 layers of thermoplastic resin, the para-aramid fiber cloth and thermoplastic resin are alternately stacked, and the top layer and the bottom layer are para-position Aramid fiber cloth, n is an integer, and n≥2. In the lightweight composite armor, thermoplastic resin is used as a matrix, and para-aramid fiber cloth is used as a reinforcing fiber material. The two are composited by molding, which effectively improves the penetration resistance of the composite material and improves the ballistic performance of the composite armor.

对位芳纶纤维布根据需要可织成平纹、斜纹、缎纹、双轴向、方平等织造结构。一些实施例中,所述热塑性树脂包含断裂伸长率大于或等于300%的弹性体树脂,优选为断裂伸长率大于或等于400%的弹性体树脂。本发明在实验中发现,断裂伸长率较高的弹性体树脂用作本发明复合装甲的树脂基体时,相对于传统的断裂伸长率低的树脂材料,比如环氧树脂或聚碳酸酯,能够显著提高该复合装甲的抗侵彻性能即防弹性能。Para-aramid fiber cloth can be woven into plain weave, twill weave, satin weave, biaxial, square and equal weaving structure according to needs. In some embodiments, the thermoplastic resin comprises an elastomeric resin with an elongation at break greater than or equal to 300%, preferably an elastomeric resin with an elongation at break greater than or equal to 400%. The present invention finds in experiment, when the elastomeric resin with higher elongation at break is used as the resin matrix of the composite armor of the present invention, compared with traditional resin materials with low elongation at break, such as epoxy resin or polycarbonate, The anti-penetration performance of the composite armor, that is, the bulletproof performance, can be significantly improved.

一些优选实施例中,所述弹性体树脂为聚烯烃树脂。包括但不限于为聚乙烯、聚丙烯、嵌段共聚聚丙烯、聚乙烯和聚丙烯的共聚物等,其中较佳的弹性体树脂为断裂伸长率大于或等于400%的聚烯烃树脂,其中聚丙烯的摩尔百分含量大于或等于70%。一些实施例中,所述聚乙烯和聚丙烯的共聚物的制备方法包括如下步骤:以乙烯和丙烯为单体,在茂金属催化剂的催化作用下,采用溶液聚合方法制备得到所述共聚物,其中所述单体中丙烯单体的摩尔百分分数大于或等于70%。另一些实施例中,所述聚烯烃为注塑级共聚PP聚丙烯,优选为扬子石化K8003注塑级共聚PP聚丙烯,其断裂伸长率为500%。In some preferred embodiments, the elastomer resin is polyolefin resin. Including but not limited to polyethylene, polypropylene, block copolymerized polypropylene, copolymers of polyethylene and polypropylene, etc., wherein the preferred elastomer resin is a polyolefin resin with an elongation at break greater than or equal to 400%, wherein The mole percentage of polypropylene is greater than or equal to 70%. In some embodiments, the preparation method of the copolymer of polyethylene and polypropylene includes the following steps: using ethylene and propylene as monomers, and under the catalysis of a metallocene catalyst, the copolymer is prepared by a solution polymerization method, Wherein the mole percentage of propylene monomer in the monomer is greater than or equal to 70%. In some other embodiments, the polyolefin is injection molding grade copolymerized PP polypropylene, preferably Yangzi Petrochemical K8003 injection molding grade copolymerized PP polypropylene, and its elongation at break is 500%.

本发明复合装甲中热塑性树脂可以为颗粒状或无纺布材质。实验中发现,采用颗粒状热塑性树脂与芳纶纤维布进行交替层叠设置,与制成无纺布材质的热塑性树脂相比,颗粒状树脂可能由于与芳纶纤维布复合后分布不均匀会一定程度上影响复合装甲材料的吸能性能。较佳实施例中,采用无纺布材质的热塑性树脂与芳纶纤维布进行复合。本发明无纺布材质的热塑性树脂为由熔喷工艺制备得到。熔喷工艺可采用常规的熔喷设备,比如对于本发明聚烯烃热塑性树脂,可采用定制短纤插层熔喷非织造系统设备在240-260℃,2.5-3.5MPa下熔喷得到无纺布。The thermoplastic resin in the composite armor of the present invention can be granular or non-woven material. In the experiment, it was found that the granular thermoplastic resin and aramid fiber cloth are alternately stacked. Compared with the thermoplastic resin made of non-woven fabrics, the granular resin may be unevenly distributed after being combined with the aramid fiber cloth to a certain extent. affect the energy absorption performance of composite armor materials. In a preferred embodiment, the thermoplastic resin made of non-woven fabric is combined with the aramid fiber cloth. The thermoplastic resin of the non-woven material of the present invention is prepared by a melt-blown process. The melt-blown process can use conventional melt-blown equipment. For example, for the polyolefin thermoplastic resin of the present invention, a customized short fiber intercalation melt-blown non-woven system equipment can be used to melt-blown at 240-260 ° C and 2.5-3.5 MPa to obtain non-woven fabrics .

为了提高制备得到的复合轻型装甲的阻燃性,一些实施例中,本发明热塑性树脂中还含有阻燃剂,所述阻燃剂包括但不限于为聚磷酸铵、氢氧化铝和蒙脱石中的一种或多种等。一些实施例中,所述阻燃剂中聚磷酸铵、氢氧化铝和蒙脱石的质量比为(12-18):(3-7):(3-7)。In order to improve the flame retardancy of the prepared composite lightweight armor, in some embodiments, the thermoplastic resin of the present invention also contains a flame retardant, which includes but is not limited to ammonium polyphosphate, aluminum hydroxide and montmorillonite one or more of them. In some embodiments, the mass ratio of ammonium polyphosphate, aluminum hydroxide and montmorillonite in the flame retardant is (12-18):(3-7):(3-7).

一些实施例中,所述对位芳纶纤维布的面密度为300-400g/cm2;所述对位芳纶纤维布为平纹、斜纹、缎纹、方平或双轴向织物,组成所述对位芳纶纤维布的单纱断裂强度≥22.5cN/dtex,单纱断裂强度更佳为≥23.5cN/dtex;该复合装甲中所述热塑性树脂的质量百分含量在15%-40%,所述热塑性树脂中阻燃剂的质量百分含量为15%-30%;所述复合装甲的面密度为5-30kg/m2,在上述参数范围内的复合装甲防护性能较好。In some embodiments, the areal density of the para-aramid fiber cloth is 300-400g/cm2 ; the para-aramid fiber cloth is a plain weave, twill weave, satin weave, square basket or biaxial fabric, which constitutes the The single-yarn breaking strength of the para-aramid fiber cloth is ≥22.5cN/dtex, and the single-yarn breaking strength is more preferably ≥23.5cN/dtex; the mass percentage of the thermoplastic resin in the composite armor is 15%-40% , the mass percentage of the flame retardant in the thermoplastic resin is 15%-30%; the surface density of the composite armor is 5-30kg/m2 , and the protective performance of the composite armor is better within the above parameter range.

本发明还提供了所述的轻型复合装甲的制备方法,将所述对位芳纶纤维布和热塑性树脂交替层叠设置后,在100-200℃、2-20MPa压力下压制10-70min制成。The present invention also provides the preparation method of the lightweight composite armor, which is prepared by alternately laminating the para-aramid fiber cloth and thermoplastic resin, and then pressing at 100-200°C and 2-20MPa pressure for 10-70min.

以下为实施例:The following are examples:

实施例1Example 1

一种防弹复合材料,由27层方平对位芳纶纤维布及两者之间的热塑性树脂相间隔铺层(0°铺层角度,其它实施例同)压制而成,顶层与底层均为方平芳纶纤维布,一层方平对位芳纶纤维布定义为1,一层热塑性树脂定义为2。因此这种防弹复合材料从上到下对位芳纶纤维布与热塑性树脂的排列顺序为:121212121……1。A kind of bulletproof composite material, is formed by pressing 27 layers of square planar para-aramid fiber cloths and thermoplastic resin between them (0 ° laying angle, other embodiments are the same), the top layer and the bottom layer are Square aramid fiber cloth, one layer of square para-aramid fiber cloth is defined as 1, and one layer of thermoplastic resin is defined as 2. Therefore, the arrangement sequence of the para-aramid fiber cloth and the thermoplastic resin from top to bottom of this bulletproof composite material is: 121212121...1.

所述热塑性树脂为热塑性聚烯烃树脂,其为聚乙烯和聚丙烯的共聚物,其制备方法如下:以乙烯和丙烯为单体,氮气抽排后切换成丙烯气和乙烯气,依次加入甲苯、助催化剂MAO(10%的甲苯溶液,Witco公司产品),待溶解平衡后在茂金属催化剂rac-Me2Si(Ind)2ZrCl2的催化作用下,采用溶液聚合方法制备得到颗粒状热塑性树脂,聚合产物用酸化乙醇终止反应,其中单体中丙烯的摩尔百分数为80%,乙烯的摩尔百分数为20%。本实施例热塑性聚烯烃树脂的制备方法参考文献(朱银邦等,rac-Me2Si(Ind)2ZrCl2负载型催化剂催化丙烯等规聚合的研究,高分子学报,2000年8月第4期)。本实施例制备得到的聚乙烯和聚丙烯的共聚物,其断裂伸长率为650%。The thermoplastic resin is a thermoplastic polyolefin resin, which is a copolymer of polyethylene and polypropylene, and its preparation method is as follows: take ethylene and propylene as monomers, switch to propylene gas and ethylene gas after nitrogen pumping, add toluene, Cocatalyst MAO (10% toluene solution, product of Witco Company), after being dissolved and balanced, under the catalysis of metallocene catalyst rac-Me2 Si(Ind)2 ZrCl2 , the granular thermoplastic resin is prepared by solution polymerization method, The polymerization product was terminated with acidified ethanol, wherein the mole percentage of propylene in the monomer was 80%, and the mole percentage of ethylene was 20%. References for the preparation method of the thermoplastic polyolefin resin in this example (Zhu Yinbang et al., Research on Isotactic Polymerization of Propylene Catalyzed by rac-Me2 Si(Ind)2 ZrCl2 Supported Catalyst, Acta Polymer Sinica, Issue 4, August 2000) . The copolymer of polyethylene and polypropylene prepared in this example had an elongation at break of 650%.

将27层对位芳纶纤维布及两者之间的上述热塑性聚烯烃树脂颗粒,同时每100克热塑性聚烯烃树脂颗粒中添加聚磷酸铵15克,氢氧化铝5克,蒙脱石5克,在150℃、10MPa压力下压制60min,得到上述防弹复合材料。27 layers of para-aramid fiber cloth and the above-mentioned thermoplastic polyolefin resin particles between the two, while adding 15 grams of ammonium polyphosphate, 5 grams of aluminum hydroxide, and 5 grams of montmorillonite in every 100 grams of thermoplastic polyolefin resin particles , pressed at 150° C. and 10 MPa pressure for 60 minutes to obtain the above bulletproof composite material.

上述防弹复合材料采用的芳纶布的面密度是340g/cm2,单根纱线断裂强度是23.5cN/dtex,复合材料中胶(胶为聚乙烯和聚丙烯的共聚物)含量在18%,复合材料面密度为10.5Kg/m2。靶板命名为1#。The surface density of the aramid fiber cloth used in the above-mentioned bulletproof composite material is 340g/cm2 , the breaking strength of a single yarn is 23.5cN/dtex, and the content of glue (the glue is a copolymer of polyethylene and polypropylene) in the composite material is 18%. , the areal density of the composite material is 10.5Kg/m2 . The target board is named 1#.

实施例2Example 2

一种防弹复合材料,由27层方平对位芳纶纤维布及两者之间的热塑性树脂相间隔铺层压制而成,顶层与底层均为方平芳纶纤维布,一层方平对位芳纶纤维布定义为1,一层热塑性树脂定义为2。因此这种防弹复合材料从上到下对位芳纶纤维布与热塑性树脂的排列顺序为:121212121……1。A bulletproof composite material, which is formed by pressing 27 layers of square-square para-aramid fiber cloth and thermoplastic resin between them, the top layer and the bottom layer are square-square aramid fiber cloth, and one layer of square square A fiber cloth is defined as 1, and a layer of thermoplastic resin is defined as 2. Therefore, the arrangement sequence of the para-aramid fiber cloth and the thermoplastic resin from top to bottom of this bulletproof composite material is: 121212121...1.

所述热塑性树脂为实施例1的热塑性聚烯烃树脂,热塑性树脂为无纺布材质,即将实施例1的聚烯烃树脂颗粒制成无纺布,其制备工艺如下:采用熔喷工艺在定制短纤插层熔喷非织造系统设备上将颗粒状聚合物喂入上料机中抽吸至螺杆挤出机料斗,送料量为80g/min。模头温度设置为250℃,压力设置为3MPa,利用高速热空气对模头喷丝孔挤出的聚合物熔体细流进行牵伸,由此形成超细纤维并凝聚滚筒上,依靠自身粘合作用制成非织造布。用冷空气进行鼓风,收卷速度为120r/min。制备厚度为1mm,面密度为500Kg/m2的热塑性树脂无纺布。The thermoplastic resin is the thermoplastic polyolefin resin of Example 1, and the thermoplastic resin is a non-woven fabric material, and the polyolefin resin particles of Example 1 are made into a non-woven fabric. On the intercalation meltblown nonwoven system equipment, the granular polymer is fed into the feeding machine and sucked to the hopper of the screw extruder, and the feeding rate is 80g/min. The temperature of the die head is set at 250°C, the pressure is set at 3MPa, and the high-speed hot air is used to draw the fine stream of polymer melt extruded from the spinneret hole of the die head, thereby forming superfine fibers and agglomerating them on the roller, relying on self-adhesive Cooperate to make non-woven fabric. Use cold air to blast, and the winding speed is 120r/min. A thermoplastic resin nonwoven fabric with a thickness of 1mm and an areal density of 500Kg/m2 was prepared.

上述防弹复合材料是将27层对位芳纶纤维布及两者之间的热塑性聚烯烃树脂无纺布,同时每100克热塑性聚烯烃树脂无纺布中添加聚磷酸铵15克,氢氧化铝5克,蒙脱石5克,在150℃、10MPa压力下压制60min制成。The above-mentioned bulletproof composite material is made of 27 layers of para-aramid fiber cloth and thermoplastic polyolefin resin non-woven fabric between the two, and at the same time, 15 grams of ammonium polyphosphate, aluminum hydroxide 5 grams, 5 grams of montmorillonite, made by pressing at 150 °C and 10 MPa pressure for 60 minutes.

上述防弹复合材料采用的芳纶布的面密度是340g/cm2,单根纱线断裂强度是23.5cN/dtex,复合材料中胶含量在18%,面密度为10.5kg/㎡。靶板命名为2#。The surface density of the aramid fabric used in the bulletproof composite material is 340g/cm2 , the breaking strength of a single yarn is 23.5cN/dtex, the glue content in the composite material is 18%, and the surface density is 10.5kg/㎡. The target board is named 2#.

实施例3Example 3

一种防弹复合材料,由27层方平对位芳纶纤维布及两者之间的热塑性树脂相间隔铺层压制而成,顶层与底层均为方平芳纶纤维布,一层方平对位芳纶纤维布定义为1,一层热塑性树脂定义为2。因此这种防弹复合材料从上到下对位芳纶纤维布与热塑性树脂的排列顺序为:121212121……1。A bulletproof composite material, which is formed by pressing 27 layers of square-square para-aramid fiber cloth and thermoplastic resin between them, the top layer and the bottom layer are square-square aramid fiber cloth, and one layer of square square A fiber cloth is defined as 1, and a layer of thermoplastic resin is defined as 2. Therefore, the arrangement sequence of the para-aramid fiber cloth and the thermoplastic resin from top to bottom of this bulletproof composite material is: 121212121...1.

所述热塑性树脂为热塑性聚丙烯树脂颗粒(K8003,即扬子石化K8003注塑级共聚PP聚丙烯)。将27层对位芳纶纤维布及两者之间的热塑性聚丙烯颗粒K8003,同时每100克热塑性聚丙烯颗粒中添加聚磷酸铵15克,氢氧化铝5克,蒙脱石5克,在150℃、10MPa压力下压制60min,得到上述防弹复合材料。The thermoplastic resin is thermoplastic polypropylene resin particles (K8003, ie Yangzi Petrochemical K8003 injection molding grade copolymerized PP polypropylene). With 27 layers of para-aramid fiber cloth and thermoplastic polypropylene particles K8003 between them, add 15 grams of ammonium polyphosphate, 5 grams of aluminum hydroxide, and 5 grams of montmorillonite in every 100 grams of thermoplastic polypropylene particles. Press at 150° C. and 10 MPa pressure for 60 minutes to obtain the above bulletproof composite material.

上述防弹复合材料采用的芳纶布的面密度是340g/cm2,单根纱线断裂强度是23.5cN/dtex,压制得到的防弹复合材料中的胶(即热塑性聚丙烯树脂)含量在18%,复合材料的面密度为10.5Kg/㎡。靶板命名为3#。The surface density of the aramid fabric used in the above-mentioned bulletproof composite material is 340g/cm2 , the breaking strength of a single yarn is 23.5cN/dtex, and the glue (ie thermoplastic polypropylene resin) content in the bulletproof composite material obtained by pressing is 18%. , The areal density of the composite material is 10.5Kg/㎡. The target board is named 3#.

实施例4Example 4

一种防弹复合材料,由27层方平对位芳纶纤维布及两者之间的热塑性树脂相间隔铺层压制而成,顶层与底层均为方平芳纶纤维布,一层方平对位芳纶纤维布定义为1,一层热塑性树脂定义为2。因此这种防弹复合材料从上到下对位芳纶纤维布与热塑性树脂的排列顺序为:121212121……1。A bulletproof composite material, which is formed by pressing 27 layers of square-square para-aramid fiber cloth and thermoplastic resin between them, the top layer and the bottom layer are square-square aramid fiber cloth, and one layer of square square A fiber cloth is defined as 1, and a layer of thermoplastic resin is defined as 2. Therefore, the arrangement sequence of the para-aramid fiber cloth and the thermoplastic resin from top to bottom of this bulletproof composite material is: 121212121...1.

所述热塑性树脂为实施例3的热塑性聚丙烯树脂,热塑性树脂为无纺布材质,即将实施例3的聚丙烯树脂颗粒制成无纺布,其制备工艺如下:采用熔喷工艺在定制短纤插层熔喷非织造系统设备上将颗粒状聚合物喂入上料机中抽吸至螺杆挤出机料斗,送料量为80g/min。模头温度设置为250℃,压力设置为3MPa,利用高速热空气对模头喷丝孔挤出的聚合物熔体细流进行牵伸,由此形成超细纤维并凝聚滚筒上,依靠自身粘合作用制成非织造布。用冷空气进行鼓风,收卷速度为120r/min。制备厚度为1mm,面密度为500Kg/m2的热塑性树脂无纺布。The thermoplastic resin is the thermoplastic polypropylene resin of Example 3, and the thermoplastic resin is a non-woven fabric material, and the polypropylene resin particles of Example 3 are made into a non-woven fabric. On the intercalation meltblown nonwoven system equipment, the granular polymer is fed into the feeding machine and sucked to the hopper of the screw extruder, and the feeding rate is 80g/min. The temperature of the die head is set at 250°C, the pressure is set at 3MPa, and the high-speed hot air is used to draw the thin stream of polymer melt extruded from the spinneret hole of the die head, thereby forming superfine fibers and agglomerating them on the roller, relying on self-adhesive Cooperate to make non-woven fabric. Use cold air to blast, and the winding speed is 120r/min. A thermoplastic resin nonwoven fabric with a thickness of 1mm and an areal density of 500Kg/m2 was prepared.

上述防弹复合材料是将27层对位芳纶纤维布及两者之间的热塑性聚丙烯树脂无纺布,同时每100克热塑性聚丙烯无纺布中添加聚磷酸铵15克,氢氧化铝5克,蒙脱石5克,在150℃、10MPa压力下压制60min制成。The above-mentioned bulletproof composite material is made of 27 layers of para-aramid fiber cloth and thermoplastic polypropylene resin non-woven fabric between the two. grams, 5 grams of montmorillonite, made by pressing at 150°C and 10MPa pressure for 60min.

上述防弹复合材料采用的芳纶布的面密度是340g/cm2,单根纱线断裂强度是23.5cN/dtex,压制得到的防弹复合材料中的胶(即热塑性聚丙烯树脂)含量在18%,复合材料的面密度为10.5Kg/m2。靶板命名为4#。The surface density of the aramid fabric used in the above-mentioned bulletproof composite material is 340g/cm2 , the breaking strength of a single yarn is 23.5cN/dtex, and the glue (ie thermoplastic polypropylene resin) content in the bulletproof composite material obtained by pressing is 18%. , the areal density of the composite material is 10.5Kg/m2 . The target board is named 4#.

对比例1Comparative example 1

一种防弹复合材料,由27层方平对位芳纶纤维布及两者之间的热塑性树脂相间隔铺层压制而成,顶层与底层均为方平芳纶纤维布,一层方平对位芳纶纤维布定义为1,一层热塑性树脂定义为2。因此这种防弹复合材料从上到下对位芳纶纤维布与热塑性树脂的排列顺序为:121212121……1。A bulletproof composite material, which is formed by pressing 27 layers of square-square para-aramid fiber cloth and thermoplastic resin between them, the top layer and the bottom layer are square-square aramid fiber cloth, and one layer of square square A fiber cloth is defined as 1, and a layer of thermoplastic resin is defined as 2. Therefore, the arrangement sequence of the para-aramid fiber cloth and the thermoplastic resin from top to bottom of this bulletproof composite material is: 121212121...1.

所述热塑性树脂为热塑性聚乙烯树脂颗粒(北京燕化石油化工股份有限公司,DHPE-5000s)。将27层对位芳纶纤维布及两者之间的热塑性聚乙烯颗粒,同时每100克热塑性聚乙烯颗粒中添加聚磷酸铵15克,氢氧化铝5克,蒙脱石5克,在150℃、10MPa压力下压制60min,得到上述防弹复合材料。The thermoplastic resin is thermoplastic polyethylene resin particles (Beijing Yanhua Petrochemical Co., Ltd., DHPE-5000s). 27 layers of para-aramid fiber cloth and thermoplastic polyethylene particles between the two, while adding 15 grams of ammonium polyphosphate, 5 grams of aluminum hydroxide, and 5 grams of montmorillonite in every 100 grams of thermoplastic polyethylene particles, at 150 °C and 10 MPa pressure for 60 minutes to obtain the above-mentioned bulletproof composite material.

上述防弹复合材料采用的芳纶布的面密度是340g/cm2,单根纱线断裂强度是23.5cN/dtex,压制得到的防弹复合材料中的胶(即热塑性聚乙烯树脂)含量在18%,复合材料的面密度为10.74Kg/m2。靶板命名为5#。The surface density of the aramid fabric used in the above-mentioned bulletproof composite material is 340g/cm2 , the breaking strength of a single yarn is 23.5cN/dtex, and the glue (ie thermoplastic polyethylene resin) content in the bulletproof composite material obtained by pressing is 18%. , the areal density of the composite material is 10.74Kg/m2 . The target board is named 5#.

对比例2Comparative example 2

其它条件同实施例1,不同的是,将实施例1的热塑性树脂替换成本对比例的环氧树脂(凤凰牌WSR6101环氧树脂,南通星辰合成材料有限公司)。Other conditions are the same as in Example 1, except that the thermoplastic resin of Example 1 is replaced with the epoxy resin of the cost comparison example (Phoenix brand WSR6101 epoxy resin, Nantong Xingchen Synthetic Materials Co., Ltd.).

具体为:Specifically:

一种防弹复合材料,由27层方平对位芳纶纤维布及两者之间的环氧树脂相间隔铺层压制而成,顶层与底层均为方平芳纶纤维布,一层方平对位芳纶纤维布定义为1,一层环氧树脂定义为2。因此这种防弹复合材料从上到下对位芳纶纤维布与环氧树脂的排列顺序为:121212121……1。如图1所示。A kind of bulletproof composite material, which is made of 27 layers of square planar aramid fiber cloth and epoxy resin spaced layers between them, the top and bottom layers are square square aramid fiber cloth, and one layer of square Aramid fiber cloth is defined as 1, and a layer of epoxy resin is defined as 2. Therefore, the arrangement order of the para-aramid fiber cloth and epoxy resin from top to bottom of this bulletproof composite material is: 121212121...1. As shown in Figure 1.

上述防弹复合材料是将27层对位芳纶纤维布及两者之间的环氧树脂在150℃、10MPa压力下压制60min制成。The above-mentioned bulletproof composite material is made by pressing 27 layers of para-aramid fiber cloth and epoxy resin between them at 150°C and 10MPa pressure for 60min.

上述防弹复合材料采用的芳纶布的面密度是340g/cm2,单根纱线断裂强度是23.5cN/dtex,压制得到的防弹复合材料中的胶(即环氧树脂)含量在18%,复合材料的面密度为10.5g/m2。靶板命名为6#。The surface density of the aramid fabric used in the above bulletproof composite material is 340g/cm2 , the breaking strength of a single yarn is 23.5cN/dtex, and the glue (ie epoxy resin) content in the bulletproof composite material obtained by pressing is 18%. The areal density of the composite material was 10.5 g/m2 . The target board is named 6#.

对比例3Comparative example 3

其它条件同实施例1,不同的是,将实施例1的热塑性树脂替换成本对比例的聚碳酸酯。具体为:Other conditions are the same as in Example 1, except that the thermoplastic resin in Example 1 is replaced with the polycarbonate of the cost comparison example. Specifically:

一种防弹复合材料,由27层方平对位芳纶纤维布及两者之间的聚碳酸酯相间隔铺模压而成,顶层与底层均为方平芳纶纤维布,一层方平对位芳纶纤维布定义为1,一层聚碳酸酯定义为2。因此这种防弹复合材料从上到下对位芳纶纤维布与聚碳酸酯的排列顺序为:121212121……1。A bulletproof composite material, which is made of 27 layers of square square para-aramid fiber cloth and polycarbonate in between. A fiber cloth is defined as 1, and a layer of polycarbonate is defined as 2. Therefore, the arrangement sequence of the bulletproof composite material from top to bottom is: 121212121...1.

所述热塑性树脂为聚碳酸酯PC,(longhua PC-835,四川龙华光电薄膜股份有限公司),厚度为0.125mm,面密度为0.13Kg/m2的热塑性树脂。The thermoplastic resin is polycarbonate PC, (longhua PC-835, Sichuan Longhua Photoelectric Film Co., Ltd.), a thermoplastic resin with a thickness of 0.125mm and an area density of 0.13Kg/m2 .

上述防弹复合材料是将27层对位芳纶纤维布及两者之间的聚碳酸酯在150℃、10MPa压力下压制60min制成。The above-mentioned bulletproof composite material is made by pressing 27 layers of para-aramid fiber cloth and polycarbonate between them at 150°C and 10MPa pressure for 60min.

上述防弹复合材料采用的芳纶布的面密度是340g/cm2,单根纱线断裂强度是23.5cN/dtex,压制得到的防弹复合材料中的胶(即聚碳酸酯)含量在18%,复合材料的面密度为10.5kg/m2。靶板命名为7#。The surface density of the aramid fabric used in the above-mentioned bulletproof composite material is 340g/cm2 , the breaking strength of a single yarn is 23.5cN/dtex, and the glue (ie polycarbonate) content in the bulletproof composite material obtained by pressing is 18%. The areal density of the composite material was 10.5 kg/m2 . The target board is named 7#.

对实施例1至实施例4与对比例1至对比例3的复合装甲进行抗侵彻性能测试,根据GB/T32493-2016在常温常压下进行抗侵彻性能测试,选用直径10mm的球形碎片弹,射距为5m,入射法线角为0°,测速间距Ⅰ为1140mm,测点Ⅰ与靶点间距2000mm,测速间距Ⅱ为1100mm,测点Ⅱ与靶点间距2700mm,选用设备仪器有计时器,游标卡尺,米尺以及电子体重秤等。测得的结果见表1。The penetration resistance performance test was carried out on the composite armor of Examples 1 to 4 and Comparative Examples 1 to 3, and the penetration resistance performance test was carried out at normal temperature and pressure according to GB/T32493-2016, and spherical fragments with a diameter of 10mm were selected. Projectile, the shooting distance is 5m, the incident normal angle is 0°, the speed measuring distance I is 1140mm, the distance between measuring point I and the target point is 2000mm, the speed measuring distance II is 1100mm, the distance between measuring point II and the target point is 2700mm, and the selected equipment and instruments have timing Instruments, vernier calipers, meter rulers and electronic weighing scales, etc. The measured results are shown in Table 1.

表1芳纶打靶吸能数据表Table 1 Aramid target energy absorption data sheet

编号serial number靶前速度target speed靶后速度Speed behind target吸收动能absorb kinetic energy单位面密度吸能Energy absorption per unitarea density备注Remark1#1#851.1851.1687.6687.6411.5411.545.5745.57穿透penetrate2#2#875.4875.4724.2724.2501.6501.647.6347.63穿透penetrate3#3#882.2882.2752.8752.8439.2439.241.741.7穿透penetrate4#4#902.1902.1771.6771.6453.4453.443.0543.05穿透penetrate5#5#798.4798.4661.4661.4391.1391.138.638.6穿透penetrate6#6#894.4894.4775.7775.7411.5411.538.7538.75穿透penetrate7#7#968.9968.9867.6867.6386.4386.438.438.4穿透penetrate

实施例1采用聚乙烯和聚丙烯的共聚物热塑性树脂颗粒,实施例2采用实施例1热塑性树脂颗粒制成的无纺布,实施例3采用K8003嵌段共聚聚丙烯热塑性树脂颗粒,实施例4采用K8003嵌段共聚聚丙烯热塑性树脂无纺布,对比例1采用聚乙烯热塑性树脂颗粒,对比例2和对比例3分别采用环氧树脂和聚碳酸酯,以上鄂中树脂材料作为各实施例或对比例制备轻型复合装甲复合材料的树脂基体,且复合材料中纤维增强材料以及层数均相同,从表1可以看出,实施例2和实施例4采用无纺布状的热塑性树脂作为树脂基体取得了较实施例1和实施例3颗粒状的聚烯烃热塑性树脂略高的单位面密度吸能,可能是由于颗粒状树脂分布不均匀一定程度上影响了其吸能效果。此外,实施例1、实施例2、实施例3和实施例4采用的聚烯烃树脂聚丙烯含量均高于70%,相对于对比例1的聚乙烯以及对比例2的环氧树脂和对比例3的聚碳酸酯作为复合防护材料的树脂基体,防护性能提升了20%多;可能的原因是聚烯烃树脂本身的断裂伸长率较高,聚丙烯含量高的聚烯烃弹性体树脂其断裂伸长率达500%以上,实施例1和实施例2热塑性树脂的断裂伸长率为650%,实施例3和实施例4为500%,远高于聚乙烯、环氧树脂和聚碳酸酯的断裂伸长率,与芳纶纤维复合压制复合防护材料,能够显著提升防护材料的防护性能。Embodiment 1 adopts the copolymer thermoplastic resin particles of polyethylene and polypropylene,embodiment 2 adopts the non-woven fabric made of the thermoplastic resin particles ofembodiment 1, embodiment 3 adopts K8003 block copolymerized polypropylene thermoplastic resin particles, embodiment 4 Adopt K8003 block copolymerized polypropylene thermoplastic resin non-woven fabric, comparative example 1 adopts polyethylene thermoplastic resin particles, comparative example 2 and comparative example 3 adopt epoxy resin and polycarbonate respectively, and above-mentioned resin material in the mouth is used as each embodiment or Comparative example The resin matrix of light-weight composite armor composite material was prepared, and the fiber reinforced material and the number of layers in the composite material were the same. It can be seen from Table 1 that non-woven thermoplastic resin was used as the resin matrix in Example 2 and Example 4 The energy absorption per unit area density is slightly higher than that of the granular polyolefin thermoplastic resins in Examples 1 and 3, probably because the uneven distribution of the granular resin affects its energy absorption effect to a certain extent. In addition, the content of polyolefin resin polypropylene used in Example 1, Example 2, Example 3 and Example 4 is higher than 70%, compared to the polyethylene of Comparative Example 1 and the epoxy resin of Comparative Example 2 and Comparative Example 3, polycarbonate is used as the resin matrix of the composite protective material, and the protective performance has been improved by more than 20%. Elongation reaches more than 500%, and the elongation at break ofembodiment 1 andembodiment 2 thermoplastic resin is 650%, embodiment 3 and embodiment 4 are 500%, are far higher than polyethylene, epoxy resin and polycarbonate The elongation at break, combined with aramid fiber to press the composite protective material, can significantly improve the protective performance of the protective material.

实施例5Example 5

一种防弹复合材料,由54层方平对位芳纶纤维布及两者之间的热塑性树脂相间隔铺层压制而成,顶层与底层均为方平芳纶纤维布,一层方平对位芳纶纤维布定义为1,一层热塑性树脂定义为2。因此这种防弹复合材料从上到下对位芳纶纤维布与热塑性树脂的排列顺序为:121212121……1。A bulletproof composite material, which is formed by pressing 54 layers of square-square para-aramid fiber cloth and thermoplastic resin between them, the top layer and the bottom layer are square-square aramid fiber cloth, and one layer of square-square para-aramid fiber cloth A fiber cloth is defined as 1, and a layer of thermoplastic resin is defined as 2. Therefore, the arrangement sequence of the para-aramid fiber cloth and the thermoplastic resin from top to bottom of this bulletproof composite material is: 121212121...1.

所述热塑性树脂为实施例2的热塑性聚烯烃树脂,热塑性树脂为无纺布材质,即将实施例1的聚烯烃树脂颗粒制成无纺布。其制备工艺如下:采用熔喷工艺在定制短纤插层熔喷非织造系统设备上将颗粒状聚合物喂入上料机中抽吸至螺杆挤出机料斗,送料量为80g/min。模头温度设置为250℃,压力设置为3MPa,利用高速热空气对模头喷丝孔挤出的聚合物熔体细流进行牵伸,由此形成超细纤维并凝聚滚筒上,依靠自身粘合作用制成非织造布。用冷空气进行鼓风,收卷速度为120r/min。制备厚度为1mm,面密度为500Kg/m2的热塑性树脂无纺布。The thermoplastic resin is the thermoplastic polyolefin resin of Example 2, and the thermoplastic resin is made of non-woven fabric, that is, the polyolefin resin particles of Example 1 are made into non-woven fabric. The preparation process is as follows: the granular polymer is fed into the feeding machine and sucked to the hopper of the screw extruder on the customized short fiber intercalation melt blown nonwoven system equipment by using the melt blowing process, and the feeding rate is 80g/min. The temperature of the die head is set at 250°C, the pressure is set at 3MPa, and the high-speed hot air is used to draw the fine stream of polymer melt extruded from the spinneret hole of the die head, thereby forming superfine fibers and agglomerating them on the roller, relying on self-adhesive Cooperate to make non-woven fabric. Use cold air to blast, and the winding speed is 120r/min. A thermoplastic resin nonwoven fabric with a thickness of 1mm and an areal density of 500Kg/m2 was prepared.

上述防弹复合材料是将54层对位芳纶纤维布及两者之间的热塑性聚烯烃树脂无纺布,同时每100克热塑性聚烯烃无纺布中添加聚磷酸铵15克,氢氧化铝5克,蒙脱石5克,在150℃、10MPa压力下压制60min制成。The above-mentioned bulletproof composite material is made of 54 layers of para-aramid fiber cloth and thermoplastic polyolefin resin non-woven fabric between the two. grams, 5 grams of montmorillonite, made by pressing at 150°C and 10MPa pressure for 60min.

上述防弹复合材料采用的芳纶布的面密度是340g/cm2,单根纱线断裂强度是23.5cN/dtex,压制得到的防弹复合材料中的胶(即热塑性聚烯烃树脂)含量在18%,复合材料的面密度为21.98Kg/m2The surface density of the aramid fabric used in the above bulletproof composite material is 340g/cm2 , the breaking strength of a single yarn is 23.5cN/dtex, and the glue (ie thermoplastic polyolefin resin) content in the bulletproof composite material obtained by pressing is 18%. , the areal density of the composite material is 21.98Kg/m2 .

本领域的技术人员容易理解,以上所述仅为本发明的较佳实施例而已,并不用以限制本发明,凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明的保护范围之内。It is easy for those skilled in the art to understand that the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention, All should be included within the protection scope of the present invention.

Claims (10)

Translated fromChinese
1.一种轻型复合装甲,其特征在于,包括n层对位芳纶纤维布和n-1层热塑性树脂,所述对位芳纶纤维布和热塑性树脂交替层叠设置,且顶层与底层均为对位芳纶纤维布,n为整数,且n≥2。1. A light composite armor, characterized in that it comprises n layers of para-aramid fiber cloth and n-1 layers of thermoplastic resin, the para-aramid fiber cloth and thermoplastic resin are alternately stacked, and the top and bottom layers are Para-aramid fiber cloth, n is an integer, and n≥2.2.如权利要求1所述的复合装甲,其特征在于,所述热塑性树脂包含断裂伸长率大于或等于300%的弹性体树脂,优选为断裂伸长率大于或等于400%的弹性体树脂。2. The composite armor of claim 1, wherein the thermoplastic resin comprises an elastomeric resin having an elongation at break greater than or equal to 300%, preferably an elastomeric resin having an elongation at break greater than or equal to 400% .3.如权利要求2所述的复合装甲,其特征在于,所述弹性体树脂为聚烯烃树脂。3. The composite armor of claim 2, wherein the elastomeric resin is a polyolefin resin.4.如权利要求3所述的复合装甲,其特征在于,所述弹性体树脂为断裂伸长率大于或等于400%的聚烯烃树脂,其中聚丙烯的摩尔百分含量大于70%。4. The composite armor according to claim 3, wherein the elastomer resin is a polyolefin resin with an elongation at break greater than or equal to 400%, wherein the mole percentage of polypropylene is greater than 70%.5.如权利要求4所述的复合装甲,其特征在于,所述聚烯烃树脂为颗粒状或无纺布状。5. The composite armor according to claim 4, characterized in that the polyolefin resin is in the form of granules or non-woven fabrics.6.如权利要求5所述的复合装甲,其特征在于,所述聚烯烃树脂为无纺布状,所述无纺布状的聚烯烃树脂为由熔喷工艺制备得到。6. The composite armor according to claim 5, wherein the polyolefin resin is in the form of a non-woven fabric, and the polyolefin resin in the form of a non-woven fabric is prepared by a melt blown process.7.如权利要求1所述的轻型复合装甲,其特征在于,任意两层对位芳纶纤维布的夹角为0°、90°或45°。7. The lightweight composite armor according to claim 1, wherein the angle between any two layers of para-aramid fiber cloth is 0°, 90° or 45°.8.如权利要求2所述的复合装甲,其特征在于,所述热塑性树脂中还含有阻燃剂,所述阻燃剂为聚磷酸铵、氢氧化铝和蒙脱石的混合物,其中聚磷酸铵、氢氧化铝和蒙脱石的质量比为(12-18):(3-7):(3-7)。8. The composite armor as claimed in claim 2, characterized in that, said thermoplastic resin also contains flame retardant, said flame retardant is a mixture of ammonium polyphosphate, aluminum hydroxide and montmorillonite, wherein polyphosphoric acid The mass ratio of ammonium, aluminum hydroxide and montmorillonite is (12-18):(3-7):(3-7).9.如权利要求8所述的轻型复合装甲,其特征在于,所述对位芳纶纤维布的面密度为300-400g/cm2;所述对位芳纶纤维布为平纹、斜纹、缎纹、方平或双轴向织物,组成所述对位芳纶纤维布的单纱断裂强度≥22.5cN/dtex;9. The lightweight composite armor according to claim 8, characterized in that, the surface density of the para-aramid fiber cloth is 300-400g/cm2 ; the para-aramid fiber cloth is plain weave, twill weave, satin weave Texture, square flat or biaxial fabric, the single yarn breaking strength of the para-aramid fiber cloth is ≥22.5cN/dtex;该复合装甲中所述热塑性树脂的质量百分含量在15%-40%,所述热塑性树脂中阻燃剂的质量百分含量为15%-30%;所述复合装甲的面密度为5-30kg/m2The mass percentage of the thermoplastic resin in the composite armor is 15%-40%, and the mass percentage of the flame retardant in the thermoplastic resin is 15%-30%; the surface density of the composite armor is 5-40%. 30kg/m2 .10.如权利要求1至9任一项所述的轻型复合装甲的制备方法,其特征在于,将所述对位芳纶纤维布和热塑性树脂交替层叠设置后,在100-200℃、2-20MPa压力下压制10-70min制成。10. The method for preparing lightweight composite armor according to any one of claims 1 to 9, characterized in that, after the para-aramid fiber cloth and the thermoplastic resin are alternately stacked, at 100-200°C, 2- It is made by pressing under 20MPa pressure for 10-70min.
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