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Application of carbon nano tube in polyethylene fiber composite weftless fabric

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CN100567606C
CN100567606C CN 200710037719 CN200710037719A CN100567606C CN 100567606 C CN100567606 C CN 100567606C CN 200710037719 CN200710037719 CN 200710037719 CN 200710037719 A CN200710037719 A CN 200710037719A CN 100567606 C CN100567606 C CN 100567606C
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composite
carbon
nano
fabric
tube
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CN 200710037719
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CN101016678A (en )
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刘术佳
彼·杰·莱姆斯特
王依民
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东华大学
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Abstract

本发明涉及碳纳米管在聚乙烯纤维复合无纬布中的应用,纳米粒子为二维纳米碳纳米管,由六边形碳原子网格围成的无缝中空管体,两端由半球形的大富勒烯分子罩住,直径为零点几纳米到几十纳米,长度为几到几百个微米。 The present invention relates to the use of carbon nanotubes in the composite polyethylene fiber cloth is laid, two-dimensional nanoparticles are carbon nanotubes, surrounded by a hexagonal lattice of carbon atoms into a seamless hollow tube, both ends of the hemisphere shaped covering large fullerene molecules, having a diameter of a few tenths of nanometers to several tens of nanometers and a length of several to several hundred microns. 制备包括:(1)碳纳米管的前处理:纯化和有机化处理;将1-4g碳纳米管/ml与0.01-0.04g/ml钛酸酯偶联剂在有机溶剂中回流1-3小时;(2)将碳纳米管与胶粘剂混合,在60-80℃搅拌1-2h,真空脱泡;(3)将增强体UHMWPE纤维于卷绕机上均匀铺展;(4)涂胶,涂胶次数为1-2次,于40-70℃干燥;(5)涂胶后在60±3℃下烘干,干燥10-20min。 Preparation comprising: (1) pre-treatment of carbon nanotubes: Purification and organically treated; the carbon nanotubes 1-4g / ml and 0.01-0.04g / ml a titanate coupling agent in an organic solvent at reflux for 1-3 hours ; (2) mixing the carbon nanotubes with an adhesive, was stirred at 60-80 ℃ 1-2h, vacuum degassing; (3) the reinforcement UHMWPE fibers uniformly spread on a winder; (4) coating, coating times 1-2 times, dried at 40-70 ℃; (5) after the glue dried at 60 ± 3 ℃, dried 10-20min. 本发明使聚乙烯纤维复合无纬布使用温度提高10℃,抗冲击性提高20%,具有优良的耐热性、强度和抗蠕变性,能抗冲击、防弹、防刀刺。 The present invention makes no polyethylene fiber composite sheeting temperature increase 10 ℃, impact resistance of 20%, has excellent heat resistance, strength and creep resistance, can impact, ballistic, anti stabbed.

Description

碳纳米管在聚乙烯纤维复合无纬布中的应用 Applications of carbon nanotubes in the composite polyethylene fiber cloth is laid

技术领域 FIELD

本发明属纳米纺织应用领域,特别是涉及碳纳米管在聚乙烯(UHMWPE)纤维复合无纬布中的应用。 The present invention belongs to the field of nano-textile applications, particularly in applications involving carbon nanotubes polyethylene (UHMWPE) fiber composite fabric is laid. 背景技术 Background technique

聚乙烯(UHMWPE)纤维复合无讳布是由UHMWPE纤维通过均匀、平行、挺直排列后,对其进行涂胶、干燥后制成的,US4,916,000和US5,149,391已经描述了此过程。 Polyethylene (UHMWPE) fiber composite fabric is no taboo UHMWPE fibers by a uniform, parallel, upright arrangement after its coating, made after drying, US4,916,000 and US5,149,391 This process has been described. 其中涂胶的胶粘剂一般包括聚乙烯、交联聚乙烯、聚丙烯、乙烯基共聚物、丙烯共聚物、乙烯一丙烯共聚物和其他烯烃聚合物和共聚物,还有不饱和聚酯、聚丁二烯、聚异戊二烯、天然橡胶、环氧树脂、聚亚胺等等许多低模量的树脂,此外,还有EVA、 EEA、 SBS、 SIS、TPR、 SEBS等及丁钠胶、丁苯胶PVB、 PVA等等这些热塑性高韧胶液。 Wherein the adhesive coating typically include polyethylene, crosslinked polyethylene, polypropylene, vinyl copolymers, propylene copolymers, ethylene-propylene copolymers and other olefin polymers and copolymers, as well as an unsaturated polyester, polybutadiene dienes, polyisoprene, natural rubber, epoxy resin, polyimide, etc. many low modulus resins, addition, EVA, EEA, SBS, SIS, TPR, SEBS and the like Buna rubber, butyl benzene glue PVB, PVA glue, etc. these thermoplastic high toughness. 这些低模量的弹性体包覆在每一根纤维上,除了可固定作为增强体的纤维外,还可以提高复合材料的抗冲击防弹、防刺性能。 These low modulus elastomer coating on each fiber, in addition to the fixed body as a fiber-reinforced, can also improve impact ballistic, stab composites. 对此,早些年已有US 4,403,012专利,近两年的US6,825,137和CN1278566专利上也有报道。 In this regard, the early years has been US 4,403,012 patent, it has also been reported on the past two years and the US6,825,137 patent CN1278566.

然而这种复合无纬布,由于作为基体的胶粘剂自身的缺点,使得复合无纬布的综合性能受到影响,体现在耐热性差,综合机械强度也较差,蠕变严重,由其制成的UHMWPE纤维复合无纬布,不能有效地"钝化"子弹的冲击力,只能通过增加无纬布层数来达到防弹效果,但这样又会引起增加一般作为战士、警察的负荷。 However, no such composite sheeting, since the matrix as an adhesive own drawbacks, such non-integrative properties affected sheeting, reflected in poor heat resistance, poor comprehensive mechanical strength, serious creep, made therefrom UHMWPE fiber composite without sheeting, can not effectively "passive" impact of the bullet, bullet-proof effect can be achieved by increasing the number of layers of fabric laid, but this would lead to an increase in general as soldiers, police load. 因此,如何改变UHMWPE纤维复合无纬布的耐热性,使其具有更高的抗冲击性,有效"钝化"子弹的冲击力,已经成为防弹护品研究的必然趋势。 Therefore, how to change without UHMWPE fiber composite sheeting heat resistance, it has a higher impact resistance, the effective "passive" impact of bullets, has become an inevitable trend research products ballistic protection. 发明内容 SUMMARY

本发明所需要解决的技术问题是提供碳纳米管在聚乙烯纤维复合无纬布中的应用,改善其抗冲击防弹、防刺性能。 The need to address the technical problem of the present invention to provide applications of carbon nanotubes in the composite polyethylene fiber cloth is laid, to improve its impact ballistic, stab performance.

本发明的碳纳米管在聚乙烯纤维复合无纬布中的应用,碳纳米管在空间中有二维尺度处于纳米尺度。 Carbon nanotube in the present invention without polyethylene fiber composite sheeting application, the carbon nanotube has two dimensions in space at the nanometer scale.

所述的碳纳米管是由六边形碳原子网格围成的无缝中空管体,两端由半球形的大富勒烯分子罩住,直径为零点几纳米到几十纳米,长度为几到几百个微米。 The carbon nanotubes are surrounded by a hexagonal lattice of carbon atoms into a seamless hollow tube, covering both ends of the fullerene molecules by a large hemispherical, having a diameter of a few tenths of nanometers to several tens of nanometers and a length to several hundreds of microns. 所述的碳纳米管制备方法,包括如下步骤:(1)碳纳米管的前处理,a.碳纳米管的纯化: The method for preparing carbon nanotubes, comprising the steps: pre-treatment (1) a carbon nanotube, a is the purifying carbon nanotubes:

将碳纳米管浸渍于硫酸和高锰酸钾的混合溶液,高锰酸钾在硫酸中的浓度为1一8g/100ml,在回流温度下处理1一5小时,氧化除去纳米碳管表面的杂质,经清洗,得到纯化后的碳管;b.碳纳米管的有机化处理- The carbon nanotubes was immersed in a mixed solution of sulfuric acid and potassium permanganate, potassium permanganate in sulfuric acid of a concentration of a 1 8g / 100ml, at reflux temperature for a 5 hours, to remove oxide impurities on the surface of carbon nanotubes after the carbon nanotubes, cleaned, purified; B organically treated carbon nanotubes -.

将已经纯化后的1 一4g碳纳米管/ml与0.01-0.04g/ml钛酸酯偶联剂在有机溶剂中回流1 —3小时,得到偶联剂接枝后的碳管; 1 after a 4g carbon nanotube which has been purified / ml and 0.01-0.04g / ml titanate coupling agent, 1 to 3 hours at reflux in an organic solvent, to give the coupling agent grafted carbon tubes;

(2) 将碳纳米管与胶粘剂混合,在60—80'C搅拌1一2h,真空脱泡; (2) mixing the carbon nanotubes with an adhesive, was stirred at 60-80'C 1 a 2h, vacuum defoaming;

(3) 将增强体UHMWPE纤维于巻绕机上均匀铺展; (3) The reinforcement fibers in UHMWPE evenly spread Volume rewinding machine;

(4) 涂胶,涂胶次数为1-2次,于40-70'C干燥; (4) coating, secondary coating 1-2 times, dried at 40-70'C;

(5) 涂胶后在60土3。 (5) After the glue in the soil 60 3. C下烘干,干燥10-20min,即可制得。 C drying, the dried 10-20min, can be prepared. 所述的高锰酸钾在硫酸中的浓度优选为处理量为1一3g碳纳米管/100ml.所述的有机溶剂是乙醇、异丙醇或丙醇, The potassium permanganate in sulfuric acid concentration is preferably in an amount of 1 processing a carbon nanotube 3g / 100ml said. The organic solvent is ethanol, propanol or isopropanol,

所述的钛酸酯偶联剂为CrC4的钛酸酯,如钛酸丁酯或钛酸甲酯,所述的胶粘剂是聚苯乙烯三嵌段共聚体或氢化聚苯乙烯三嵌段共聚体的混合溶剂型胶粘剂;较理想的是:KRATON D-1107、 KRATON D-1161、 KRATON G-1650等。 Said titanate coupling agent is a titanate CrC4 such as methyl, butyl titanate or titanium, said adhesive is a polystyrene tri-block copolymer or a hydrogenated polystyrene triblock copolymer a mixed solvent-based adhesives; ideal is: KRATON D-1107, KRATON D-1161, KRATON G-1650 and the like. 该胶粘剂的溶剂是溶解度参数为8.0-8.5之间易挥发的溶剂,如:苯、甲苯;氯仿、四氯化碳;已烷、环已烷、氯化环巳烷;二乙醚、甲基异丁基醚等.不同的溶剂对嵌段共聚物的软硬段溶解略有差异,溶解聚合体的溶剂以混合溶剂为佳.胶粘剂与溶剂的重量比例为10~40%:90-60%,混合溶剂的重量比为烷烃:醚类:酯类=3-10:0.1-0.5:1。 The solvent of the adhesive is between the solubility parameter of 8.0-8.5 volatile solvents, such as: benzene, toluene; chloroform, carbon tetrachloride; hexane, cyclohexane, chlorinated -cyclohexane; diethyl ether, methyl isobutyl .-butyl ether dissolved in a solvent, such as different hard and soft segments of the block copolymer differ slightly dissolves the polymer at a weight ratio of the mixed solvent is preferred and an adhesive solvent is 10 to 40%: 90-60%, a mixed solvent weight ratio of alkane: ether: ester = 3-10: 0.1-0.5: 1.

UHMWPE纤维复合无讳布是一种由UHMWPE纤维和胶粘剂复合而成,为了更好地提高材料的防弹抗力,改善UHMWPE纤维的耐热性能,在胶粘剂中添加纳米材料,本发明选择在空间中有二维尺度处于纳米尺度的碳纳米管作为胶粘剂中的填充剂,将碳纳米管填充到基体材料中,用以改善防弹复合纤维的防抗冲击力,钝化子弹、刀具的冲击。 No taboo UHMWPE fiber composite is a composite fabric and an adhesive made from UHMWPE fibers, in order to better improve the ballistic resistance of the material, to improve the heat resistance of UHMWPE fibers, nano material in the adhesive, in the present invention has a selected space carbon nanotubes in two dimensions in the nanoscale filler as an adhesive, carbon nanotubes filled into the base material, to improve the impact resistance of the anti-ballistic resistant composite fiber, the passivation bullet impact tool.

碳纳米管的强度比钢高100多倍,杨氏模量高达1TPa,而比重却只有钢的1/6,同时碳纳米管还具有极高的韧性,十分柔软,是复合材料中极好的加强材料。 Than 100 times the strength of the carbon nanotubes steel high Young's modulus as high as 1 TPa, while the proportion is only 1/6 of steel, while the carbon nanotube also has a high toughness, very soft, the composite material is excellent reinforcing material. 碳纳米管可以在两维尺度上保持纳米级,由于纳米中空管和螺旋度的共同作用决定了它是一种绝好的、最细的纤维材料,既具有碳纤维的固有性质,又具有金属材料的导电导热性、陶瓷材料的耐热耐蚀性、纺织纤维的柔软可编性、以及高分子材料的易加工性。 Nanoscale carbon nanotubes may be maintained in the two-dimensional scale, since the hollow tube and the interaction of nano helicity determines that it is a perfect, the finest fiber material, both the inherent properties of carbon fibers, but also metal having electrical and thermal conductivity, heat and corrosion resistant ceramic materials, soft textile fibers can be programmed, as well as polymer material easy processing materials.

碳纳米管除了具有非常优异的物理性能,如极高的强度、模量外,由于是大长径比结构,可以分散应力,钝化冲击力。 In addition to carbon nanotubes having very excellent physical properties, such as high outer strength, modulus, since the structure of large aspect ratio, the stress can be dispersed, the passivation impact. 碳纳米管的添加使得分子以小块的形式整体运动,除了减小大分子的蠕变外,受到的阻力就较大。 The carbon nanotubes are added in such small molecules in the form of global motion, in addition to reducing creep macromolecules, the resistance will be large. 另外,添加碳纳米管可以改善耐热性能,是因为碳纳米管可以起到物理交联点和成核剂的作用,使得胶粘剂或者聚乙烯分子依附在其上或者沿着碳纳米管壁取向结晶,形成对刀具、子弹的阻碍。 Further, carbon nanotubes may be added to improve heat resistance, because the carbon nanotubes can function as physical crosslinking points and a nucleating agent, such as polyethylene or molecules attached to the adhesive on its wall carbon nanotubes or crystalline orientation along , a barrier to the tool, bullets.

本发明在复合无纬布纤维用的胶粘剂中加入碳纳米管等纳米材料,不仅提高了基质 The present invention is added to the carbon nanotubes in the composite fiber fabric laid with adhesive nanomaterials, improving not only the substrate

材料粘合剂的机械性能,同时也改变了材料的热稳定性,提高了UHMWPE纤维复合无纬布的耐热性,使其使用温度提高1(TC,抗冲击性提高20%左右。 Mechanical properties of the binder material, but also changes the thermal stability, heat resistance is improved UHMWPE fiber laid composite fabric, so temperature increase 1 (TC, 20% higher impact resistance.

试验证明,本发明的UHMWPE纤维复合无纬布可以在很大程度上克服现有技术存在的缺陷,得到防抗冲击性能优良的复合防弹纤维,由于碳纳米管有着很多优良性能,其具有优良的耐热性、强度和抗蠕变性,于是根据复合材料的抗冲击原理,从理论上可以达到改善UHMWPE纤维的耐热性和抗蠕变性,从而可以有效的钝化子弹的冲击力。 Tests proved that, the UHMWPE fiber composite according to the present invention may not overcome sheeting drawbacks of the prior art to a large extent, the excellent impact resistance of the anti-ballistic fiber composite, since the carbon nanotube has a lot of excellent performance, which have excellent heat resistance, strength and creep resistance, impact resistance according to the principles of composite material thus theoretically be achieved to improve the heat resistance of UHMWPE fibers and creep resistance, so that the impact can be effectively passivated bullet.

具体实施方式 detailed description

下面结合具体实施例,进一步阐述本发明。 The following embodiments with reference to specific embodiments, further illustrate the present invention. 应理解,这些实施例仅用于说明本发明而不用于限制本发明的范围。 It should be understood that these embodiments are illustrative only and the present invention is not intended to limit the scope of the invention. 此外应理解,在阅读了本发明讲授的内容之后,本领域技术人员可以对本发明作各种改动或修改,这些等价形式同样落于本申请所附权利要求书所限定的范围。 Furthermore, it should be understood that, after reading the teachings of the present invention, those skilled in the art that various changes or modifications may be made to the present invention, and these equivalents also fall within the scope of the appended claims of the present application as defined.

实施例1 Example 1

将2g碳纳米管浸渍于100ml硫酸和高锰酸钾的混合溶液中,在回流温度下处理1. 5小时,高锰酸钾在硫酸中的浓度为5g/100ml;将2g纯化后的碳纳米管与钛酸丁酯偶联剂在乙醇中回流2小时,得到偶联剂接枝后的碳纳米管,乙醇中钛酸酯偶联剂的浓度为0. 03g/tnl。 2g of carbon nanotubes was immersed, treatment in a mixed solution of sulfuric acid and potassium permanganate in 100ml at reflux temperature for 1.5 hours, the concentration of potassium permanganate in sulfuric acid of 5g / 100ml; 2g carbon nano after purification butyl titanate coupling tube and reflux in ethanol for 2 hours to obtain a carbon nanotube graft after coupling, a titanate coupling agent in the ethanol concentration was 0. 03g / tnl.

将一定量的碳纳米管与胶粘剂混合,在60—8(TC搅拌l一2h,真空脱泡。将增强体U丽PE纤维于巻绕机上平行缠绕,之后涂胶于UHMWPE纤维上(或将UHMWPE纤维浸入胶粘剂中)。涂胶次数为1一2次,注意涂胶要均匀。本实施例釆用的胶粘剂为KRATONG-1650,按重量比15%溶解于混合溶剂(已烷:二乙醚:醋酸乙酯=5:0. 5:1,再添加抗氧剂),涂胶后用刮胶刀涂胶均匀,置于烘箱中60'C烘干、固化,烘箱温度为60±3°C,干燥时间约为20min。将上述所得的复合材料进行正交复合。它们可以是二层交错,也可以是四层交错,所得到的产品结构相应是[0°/90°]或[0°/90°]2。(碳纳米管的掺入量为4.6 g/n^无纬布) The carbon nanotubes mixed with a binder an amount of at 60-8 (TC l a stirred 2h, vacuum degassing. The reinforcement fibers in the PE U Korea parallel Volume rewinding machine is wound, after coating on the UHMWPE fibers (or UHMWPE fibers immersed in adhesive) coating a number of times 1 2, note that a uniform coating of the present embodiment to preclude the use of adhesive as KRATONG-1650, a weight ratio of 15% was dissolved in a mixed solvent (hexane: diethyl ether: ethyl acetate = 5: 05: 1, and then an antioxidant), even after coating with a doctor knife coating, 60'C drying in an oven, the curing oven temperature was 60 ± 3 ° C , the drying time is about 20min. the composite material obtained above orthogonal complex. they may be interleaved Layer, four may be staggered, the resulting product is the corresponding configuration [0 ° / 90 °] or [0 ° / 90 °] 2. (a carbon nanotube incorporated in an amount of 4.6 g / n ^ no sheeting)

防弹效果:将40层、450mmX450咖AD=160g/m2 UD材料整齐叠加置于背衬为胶泥的靶架上,采用51式普通弹、按美军662EVso试验标准,用51式长枪管、51式普通弹(铅芯弹)测得V5o^612m/s。 Bulletproof: layer 40, 450mmX450 coffee AD = 160g / m2 UD target material placed in neatly superposed shelves backing is cement, the use of ordinary type 51 shells, according to the US standard test 662EVso, with long barrel-type 51, 51 general formula shells (lead core bullet) measured V5o ^ 612m / s.

实施例2除了碳纳米管的掺入量为2g/n^无纬布外,其他均与实施例l相同,制得复合无纬布。 Example 2 except that incorporation of carbon nanotubes is 2g / n ^ no sheeting, other embodiments are the same as in Example L, to prepare a composite non-sheeting.

防弹效果:将40层、450mmX450mm AD=160g/m2 UD材料整齐叠加置于背衬为胶泥的靶架上,采用51式普通弹、按美军662EVso试验标准,用51式长枪管、51式普通弹(铅芯弹) 测得V5o》557m/s。 Bulletproof: layer 40, 450mmX450mm AD = 160g / m2 UD material placed in neatly superposed clay backing is a target frame, using the general formula 51 shells, according to the US standard test 662EVso, Formula 51 with a long barrel, elastic general formula 51 (lead core bullet) measured V5o "557m / s.

实施例3 Example 3

除了不加碳纳米管,而将一定量的有机蒙脱土与胶粘剂混合,混合比例为1: 19,在60—80。 In addition to mixing with the organic montmorillonite adhesive without carbon nanotubes, and the amount of mixing ratio of 1: 19, 60-80. C搅拌l一2h,真空脱泡外,其他均与实施例l相同,制得复合无纬布。 C l a stirred for 2h, vacuum de outer bulb, other embodiments are the same as in Example l, to obtain compound no sheeting. 蒙脱土掺入量为4.6 g/n^无纬布。 Montmorillonite incorporated in an amount of 4.6 g / n ^ no sheeting.

防弹效果:将40层、450mraX450mm AD=160g/m2 UD材料整齐叠加置于背衬为胶泥的靶架上,采用51式普通弹、按美军662EVso试验标准,用51式长枪管、51式普通弹(铅芯弹) 测得V5。 Bulletproof: layer 40, 450mraX450mm AD = 160g / m2 UD material placed in neatly superposed clay backing is a target frame, using the general formula 51 shells, according to the US standard test 662EVso, Formula 51 with a long barrel, elastic general formula 51 (lead core bullet) measured V5. 》580ra/s. "580ra / s.

实施例4 Example 4

除了有机蒙脱土的掺入量为2 g/n^无玮布外,其均与实施例3相同,制得复合无纬布。 In addition to incorporation of the organic montmorillonite was 2 g / n ^ Wei no external cloth, which are the same as in Example 3, to obtain compound no sheeting. 防弹效果:将40层、450mmX450mm AD=160g/m2 UD材料整齐叠加置于背衬为胶泥的靶 Bulletproof: layer 40, 450mmX450mm AD = 160g / m2 UD material placed in neatly superposed target backing is mastic

架上,采用51式普通弹、按美军662EVw试验标准,用51式长枪管、51式普通弹(铅芯弹) Frame, using the general formula 51 shells, according to the US standard test 662EVw, with long barrel-type 51, type 51 Normal shells (lead core bullet)

测得V5。 Measured V5. 》538m/s。 "538m / s.

实施例5 Example 5

除了不加碳纳米管,而将一定量的石墨粉与胶粘剂混合,混合比例为h 19,在60— 80'C搅拌l一2h,真空脱泡外,其他均与实施例l相同,制得复合无纬布。 In addition to mixing without carbon nanotubes, and a quantity of graphite powder with a binder, the mixing ratio is h 19, a 60- 80'C l stirred 2h, vacuum defoaming, other embodiments are the same as in Example L, prepared no composite sheeting. 石墨粉掺入量为4.6 g/m2无纬布。 Graphite powder incorporation to 4.6 g / m2 without sheeting.

防弹效果:将40层、45(kmX450nmi AD=160g/m2 UD材料整齐叠加置于背衬为胶泥的靶架上,采用51式普通弹、按美军662EVso试验标准,用51式长枪管、51式普通弹(铅芯弹) 测得D584m/s. Bulletproof: layer 40, 45 (kmX450nmi AD = 160g / m2 UD material placed in neatly superposed clay backing is a target frame, using the general formula 51 shells, according to the US standard test 662EVso, with long barrel-type 51, type 51 Common projectile (lead core bullet) as measured D584m / s.

实施例6 Example 6

除了石墨粉的掺入量为2g/i^无纬布外,其他均与实施例3相同,制得复合无纬布。 In addition to incorporation of graphite powder 2g / i ^ no sheeting, the others are the same as in Example 3, to obtain compound no sheeting. 防弹效果:将40层、450mmX450mra AD=160g/m2 UD材料整齐叠加置于背衬为胶泥的耙 Bulletproof: layer 40, 450mmX450mra AD = 160g / m2 UD material placed in neatly superposed backing is mastic rake

架上,采用51式普通弹、按美军662EVso试验标准,用51式长枪管、51式普通弹(铅芯弹) Frame, using the general formula 51 shells, according to the US standard test 662EVso, with long barrel-type 51, type 51 Normal shells (lead core bullet)

测得VM》540m/s。 Measured VM "540m / s. 比较例 Comparative Example

除了不添加任何添加剂外,其他均与实验例l相同。 In addition to not add any additives, other experiments were the same as in Example l. 防弹效果:将40层、450mmX450mm AD=160g/m2 UD材料整齐叠加置于背衬为胶泥的靶架上,采用51式普通弹、按美军662EVso试验标准,用51式长枪管、51式普通弹(铅芯弹) 测得V5o^525m/s. Bulletproof: layer 40, 450mmX450mm AD = 160g / m2 UD material placed in neatly superposed clay backing is a target frame, using the general formula 51 shells, according to the US standard test 662EVso, Formula 51 with a long barrel, elastic general formula 51 (lead core bullet) measured V5o ^ 525m / s.

Claims (10)

1.碳纳米管在聚乙烯纤维复合无纬布中的应用,所述碳纳米管在空间中有二维尺度处于纳米尺度。 1. Application of nanotubes in the composite polyethylene fiber cloth is laid, the carbon nanotubes have a space in two dimensions in the nanoscale.
2. 根据权利要求1所述的碳纳米管在聚乙烯纤维复合无纬布中的应用,所述的碳纳米管是由六边形碳原子网格围成的无缝中空管体,两端由半球形的大富勒烯分子罩住,直径为零点几纳米到几十纳米,长度为几到几百个微米。 The carbon nanotube according to claim 1 Application laid composite polyethylene fiber cloth, said carbon nanotubes are surrounded by a hexagonal lattice of carbon atoms into a seamless hollow tubular body, two big end by a hemispherical covering fullerene molecule, a diameter of a few tenths of nanometers to several tens of nanometers and a length of several to several hundred microns.
3. 根据权利要求1所述的碳纳米管在聚乙烯纤维复合无纬布中的应用,所述的制备方法,包括如下步骤:(1) 碳纳米管的前处理a. 碳纳米管的纯化:将碳纳米管浸渍于硫酸和高锰酸钾的混合溶液,高锰酸钾在硫酸中的浓度为1一8g/100ml, 回流温度下处理1一5小时,氧化除去表面杂质,清洗得到纯化后的碳管; b. 碳纳米管的有机化处理:将上述1 —4g碳纳米管/ml与0.01-0.04g/ml钛酸酯偶联剂在有机溶剂中回流1 —3小时, 得到偶联剂接枝后的碳管;(2) 将上述碳纳米管与胶粘剂混合,在60—8(TC搅拌1—2h,真空脱泡;(3) 将增强体聚乙烯(UHMWPE)纤维均匀铺展;(4) 涂胶1-2次,40-70'C干燥;(5) 涂胶后在60士3。C下烘干,干燥10-20min即制得。 The carbon nanotube according to claim 1 Application laid composite fabric of polyethylene fiber, preparation method, comprising the steps of: (1) a pretreatment of the carbon nanotubes purified carbon nanotubes. : immersing the carbon nanotube in a mixed solution of sulfuric acid and potassium permanganate, potassium permanganate in sulfuric acid of a concentration of a 1 8g / 100ml, for 1 5 hours at a reflux temperature, to remove impurities from the surface oxidation, cleaning purified after the carbon nanotubes; B organically treated carbon nanotubes: carbon nanotubes above 1 -4g / ml and 0.01-0.04g / ml a titanate coupling agent in an organic solvent at reflux for 1-3 hr, to give even carbon nanotubes after the graft-linking agent; mixing the carbon nanotubes with the adhesive (2), in 60-8 (TC stirred for 1-2h, vacuum degassing; (3) the reinforcement polyethylene (UHMWPE) fibers are uniformly spread ; (4) coating 1-2 times, 40-70'C sulfate; (5) after the glue 60 in the drying 3.C persons, i.e. prepared dried 10-20min.
4. 根据权利要求3所述的碳纳米管在聚乙烯纤维复合无纬布中的应用,其特征在于:所述步骤(1)的高锰酸钾在硫酸中的浓度为1一3g碳纳米管/100ml。 4. The carbon nanotube of claim 3 in polyethylene fiber application laid composite fabric of claim wherein: the concentration of potassium permanganate in the step (1) in a sulfuric acid of a carbon nano 3g tube / 100ml.
5. 根据权利要求3所述的碳纳米管在聚乙烯纤维复合无纬布中的应用,其特征在于:所述步骤(1)的有机溶剂是乙醇、异丙醇或丙醇。 The carbon nanotube according to claim 3 in the polyethylene fiber application laid composite fabric of claim, wherein: said step (1) the organic solvent is ethanol, isopropanol or propanol.
6. 根据权利要求3所述的碳纳米管在聚乙烯纤维复合无纬布中的应用,其特征在于:所述步骤(1)的钛酸酯偶联剂为CrC4的钛酸酯。 6. The carbon nanotube according to claim 3 in the polyethylene fiber application laid composite fabric of claim, wherein: said step (1) of the titanate coupling agent is a titanate CrC4.
7. 根据权利要求6所述的碳纳米管在聚乙烯纤维复合无纬布中的应用,其特征在于:所述步骤(1)的钛酸酯偶联剂是钛酸丁酯或钛酸甲酯。 The carbon nanotube according to claim 6 Application laid composite fabric of polyethylene fiber, wherein: said step (1) is a titanate coupling agent or titanate, butyl titanate A ester.
8. 根据权利要求3所述的碳纳米管在聚乙烯纤维复合无纬布中的应用,其特征在于:所述步骤(2)的胶粘剂是聚苯乙烯三嵌段共聚体或氢化聚苯乙烯三嵌段共聚体的混合剂。 8. The carbon nanotube according to claim 3 in the polyethylene fiber application laid composite fabric of claim, wherein: said adhesive step (2) is a polystyrene triblock copolymer or a hydrogenated polystyrene mixture of a triblock copolymer.
9. 根据权利要求8所述的碳纳米管在聚乙烯纤维复合无讳布中的应用,其特征在于:所述步骤(2)混合剂的溶剂选自苯、甲苯、氯仿、四氯化碳;已烷、环巳烷、氯化环已垸;二乙醚、甲基异丁基醚,混合溶剂的重量比为垸烃:醚类:酯类=3 10:0.1-0.5:1。 A carbon nanotube according to claim 8 in a composite polyethylene fiber cloth without the application of a limb, wherein: said step (2) mixture solvent selected from benzene, toluene, chloroform, carbon tetrachloride ; hexane, -cyclohexane, ring chlorination is embankment; diethyl ether, methyl isobutyl ether, a mixed solvent weight ratio of hydrocarbon embankment: ether: ester = 310: 0.1 to 0.5: 1.
10.根据权利要求8或9所述的碳纳米管在聚乙烯纤维复合无纬布中的应用,其特征在于: 胶粘剂与溶剂的重量比为10"40%:90-60%。 10. The carbon nanotube of claim 8 or claim 9 in composite polyethylene fibers without application of sheeting, characterized in that: the weight ratio of adhesive to solvent is 10 "40%: 90-60%.
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