CN106393894A - 一种防弹复合材料用芳纶无纬布的制备方法 - Google Patents
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Abstract
本发明公开了一种防弹复合材料用芳纶无纬布的制备方法,包括以下步骤:取ABS树脂、聚碳酸酯、纳米二氧化钛、阻燃剂、增强剂、玻璃纤维、陶瓷纤维、芳纶纤维备用;将芳纶纤维以经线、纬线正交固结得芳纶织物;将ABS树脂加热至完全熔化后,加入聚碳酸酯、纳米二氧化钛、阻燃剂、增强剂、玻璃纤维、陶瓷纤维,高速搅拌混合均匀,得混合胶料;将混合胶料匀速挤出,用压延机碾压在芳纶织物的两面,得无纬布;将无纬布精切成所需尺寸。本发明提出的一种防弹复合材料用芳纶无纬布的制备方法,操作简单,制备效率高,原料利用充分,成本低,制备的芳纶无纬布,阻燃性好,强度高、硬度高、比重轻,具有携带方便,防腐、抗菌、使用寿命长的优点。
Description
技术领域
本发明涉及复合材料技术领域,尤其涉及一种防弹复合材料用芳纶无纬布的制备方法。
背景技术
随着社会经济的发展,人们安全防护意识的提高,安全防护装备需求越来越大,加之近些年恐怖袭击与暴力事件时有发生,人们越来越意识到自身安全防护的重要性,国家也加大了对安全防护领域的支持力度,国家在“十二五”规划当中也明确指明对公共安全领域加大扶持力度,特别是在《产业用纺织品十二五规划》中第四点重点发展领域特别提到开发柔性防刺防割面料,所以安全防护材料的发展符合国家纺织品产业发展的方向。芳纶防弹复合材料,是一种新型高科技合成纤维,具有超高强度、高模量和耐高温、耐酸耐碱、重量轻、绝缘、抗老化、生命周期长等优良性能,广泛应用于复合材料、防弹制品、建材、特种防护服装、电子设备等领域。目前芳纶防弹复合材料的制备多采用树脂将芳纶布预浸,树脂干燥后,在模具中热压成型。此类方法费时费力,效率不高,且制备成本高。基于上述问题,本发明提出了一种防弹复合材料用芳纶无纬布的制备方法。
发明内容
本发明的目的是为了解决现有技术中存在的缺点,而提出的一种防弹复合材料用芳纶无纬布的制备方法。
一种防弹复合材料用芳纶无纬布的制备方法,包括以下步骤:
S1、取ABS树脂20~45份、聚碳酸酯10~20份、纳米二氧化钛2~5份、阻燃剂1~4份、增强剂0.2~1份、玻璃纤维5~10份、陶瓷纤维5~10份、芳纶纤维15~30份备用;
S2、将芳纶纤维从1~3个纤维轴引出,通过张力装置控制张力送入无纬布生产设备中,调节设备工艺参数,保证每条芳纶纤维经纬线均匀分布,以芳纶纤维经线、纬线正交固结得芳纶织物;
S3、将ABS树脂加热至175~190℃,待完全熔化后,加入聚碳酸酯、纳米二氧化钛、阻燃剂、增强剂、玻璃纤维、陶瓷纤维,以400~600r/min的转速,高速搅拌15~30min,带混合均匀,得混合胶料;
S4、将步骤S3中所得的混合胶料以5~10kg/min的速度挤出,在温度为70~100℃的条件下,用压延机碾压在步骤S2中所得的芳纶织物的两面,得厚度为0.5~5mm无纬布;
S5、待步骤S4中所得的无纬布自然冷却至室温后,将其精切成所需尺寸的无纬布即得。
优选的,所述步骤S1中ABS树脂24~40.5份、聚碳酸酯12~18份、纳米二氧化钛3~4份、阻燃剂2~3份、增强剂0.4~0.8份、玻璃纤维6~8份、陶瓷纤维7~9份、芳纶纤维18~25份。
优选的,所述ABS树脂32份、聚碳酸酯15份、纳米二氧化钛4份、阻燃剂2份、增强剂0.5份、玻璃纤维8份、陶瓷纤维6份、芳纶纤维20份。
优选的,所述步骤S1中ABS树脂、聚碳酸酯的重量比为2~2.25∶1。
优选的,所述步骤S1中阻燃剂为十溴二苯乙烷、溴化聚苯乙烯和溴化环氧树脂中的一种。
优选的,所述步骤S1中增强剂为DH-1增强剂、DH-2增强剂、DH-3增强剂和DH-4增强剂中的一种。
本发明提出的一种防弹复合材料用芳纶无纬布的制备方法,将芳纶纤维以经线、纬线正交固结形成内基层,将ABS树脂、聚碳酸酯、玻璃纤维、陶瓷纤维与其他助剂熔融混合做外层料,通过压延机将外层料压合在内基层的两面,固化成型而得,相比于传统的用树脂将芳纶布预浸,树脂干燥后,在模具中热压成型的方法,本发明提出的方法操作简单,制备效率高,原料利用充分,成本低,制备出的芳纶无纬布,阻燃性好,强度高、硬度高、比重轻,具有携带方便,防腐、抗菌、使用寿命长的优点。
具体实施方式
下面结合具体实施例对本发明作进一步解说。
实施例一
本发明提出的一种防弹复合材料用芳纶无纬布的制备方法,包括以下步骤:
S1、取ABS树脂25份、聚碳酸酯12份、纳米二氧化钛4份、十溴二苯乙烷3份、DH-1增强剂0.5份、玻璃纤维6份、陶瓷纤维8份、芳纶纤维20份备用;
S2、将芳纶纤维从1个纤维轴引出,通过张力装置控制张力送入无纬布生产设备中,调节设备工艺参数,保证每条芳纶纤维经纬线均匀分布,以芳纶纤维经线、纬线正交固结得芳纶织物;
S3、将ABS树脂加热至182℃,待完全熔化后,加入聚碳酸酯、纳米二氧化钛、十溴二苯乙烷、DH-1增强剂、玻璃纤维、陶瓷纤维,以500r/min的转速,高速搅拌25min,带混合均匀,得混合胶料;
S4、将步骤S3中所得的混合胶料以6kg/min的速度挤出,在温度为88℃的条件下,用压延机碾压在步骤S2中所得的芳纶织物的两面,得厚度为0.8mm无纬布;
S5、待步骤S4中所得的无纬布自然冷却至室温后,将其精切成所需尺寸的无纬布即得。
实施例二
本发明提出的一种防弹复合材料用芳纶无纬布的制备方法,包括以下步骤:
S1、取ABS树脂45份、聚碳酸酯20份、纳米二氧化钛2份、溴化聚苯乙烯1份、DH-2增强剂0.8份、玻璃纤维5份、陶瓷纤维6份、芳纶纤维18份备用;
S2、将芳纶纤维从3个纤维轴引出,通过张力装置控制张力送入无纬布生产设备中,调节设备工艺参数,保证每条芳纶纤维经纬线均匀分布,以芳纶纤维经线、纬线正交固结得芳纶织物;
S3、将ABS树脂加热至180℃,待完全熔化后,加入聚碳酸酯、纳米二氧化钛、溴化聚苯乙烯、DH-2增强剂、玻璃纤维、陶瓷纤维,以450r/min的转速,高速搅拌22min,带混合均匀,得混合胶料;
S4、将步骤S3中所得的混合胶料以9kg/min的速度挤出,在温度为80℃的条件下,用压延机碾压在步骤S2中所得的芳纶织物的两面,得厚度为1.5mm无纬布;
S5、待步骤S4中所得的无纬布自然冷却至室温后,将其精切成所需尺寸的无纬布即得。
实施例三
本发明提出的一种防弹复合材料用芳纶无纬布的制备方法,包括以下步骤:
S1、取ABS树脂32份、聚碳酸酯15份、纳米二氧化钛3份、溴化环氧树脂2份、DH-3增强剂1份、玻璃纤维10份、陶瓷纤维9份、芳纶纤维25份备用;
S2、将芳纶纤维从2个纤维轴引出,通过张力装置控制张力送入无纬布生产设备中,调节设备工艺参数,保证每条芳纶纤维经纬线均匀分布,以芳纶纤维经线、纬线正交固结得芳纶织物;
S3、将ABS树脂加热至175℃,待完全熔化后,加入聚碳酸酯、纳米二氧化钛、溴化环氧树脂、DH-3增强剂、玻璃纤维、陶瓷纤维,以600r/min的转速,高速搅拌15min,带混合均匀,得混合胶料;
S4、将步骤S3中所得的混合胶料以10kg/min的速度挤出,在温度为90℃的条件下,用压延机碾压在步骤S2中所得的芳纶织物的两面,得厚度为4mm无纬布;
S5、待步骤S4中所得的无纬布自然冷却至室温后,将其精切成所需尺寸的无纬布即得。
实施例四
本发明提出的一种防弹复合材料用芳纶无纬布的制备方法,包括以下步骤:
S1、取ABS树脂22份、聚碳酸酯10份、纳米二氧化钛5份、溴化聚苯乙烯4份、DH-4增强剂0.2份、玻璃纤维8份、陶瓷纤维5份、芳纶纤维30份备用;
S2、将芳纶纤维从3个纤维轴引出,通过张力装置控制张力送入无纬布生产设备中,调节设备工艺参数,保证每条芳纶纤维经纬线均匀分布,以芳纶纤维经线、纬线正交固结得芳纶织物;
S3、将ABS树脂加热至190℃,待完全熔化后,加入聚碳酸酯、纳米二氧化钛、溴化聚苯乙烯、DH-4增强剂、玻璃纤维、陶瓷纤维,以550r/min的转速,高速搅拌28min,带混合均匀,得混合胶料;
S4、将步骤S3中所得的混合胶料以8kg/min的速度挤出,在温度为70℃的条件下,用压延机碾压在步骤S2中所得的芳纶织物的两面,得厚度为3.2mm无纬布;
S5、待步骤S4中所得的无纬布自然冷却至室温后,将其精切成所需尺寸的无纬布即得。
实施例五
本发明提出的一种防弹复合材料用芳纶无纬布的制备方法,包括以下步骤:
S1、取ABS树脂40份、聚碳酸酯18份、纳米二氧化钛2.5份、十溴二苯乙烷2份、DH-3增强剂0.6份、玻璃纤维7份、陶瓷纤维10份、芳纶纤维15份备用;
S2、将芳纶纤维从2个纤维轴引出,通过张力装置控制张力送入无纬布生产设备中,调节设备工艺参数,保证每条芳纶纤维经纬线均匀分布,以芳纶纤维经线、纬线正交固结得芳纶织物;
S3、将ABS树脂加热至185℃,待完全熔化后,加入聚碳酸酯、纳米二氧化钛、十溴二苯乙烷、DH-3增强剂、玻璃纤维、陶瓷纤维,以400r/min的转速,高速搅拌30min,带混合均匀,得混合胶料;
S4、将步骤S3中所得的混合胶料以5kg/min的速度挤出,在温度为100℃的条件下,用压延机碾压在步骤S2中所得的芳纶织物的两面,得厚度为2.8mm无纬布;
S5、待步骤S4中所得的无纬布自然冷却至室温后,将其精切成所需尺寸的无纬布即得。
将本发明提出的五组实施例中制备出的防弹复合材料用芳纶无纬布,利用布氏硬度测试方法分别对其硬度进行测试,用直径为1cm的淬硬钢球在外力为300N的情况下,压入试件表面,停留10s后,撤去外力,立即测量压痕面积,得出如下结果:(压痕越小,硬度越大)
实施例 | 一 | 二 | 三 | 四 | 五 |
压痕面积 | 0.17cm2 | 0.145cm2 | 0.245cm2 | 0.205cm2 | 0.165cm2 |
本发明提出的一种防弹复合材料用芳纶无纬布的制备方法,将芳纶纤维以经线、纬线正交固结形成内基层,将ABS树脂、聚碳酸酯、玻璃纤维、陶瓷纤维与其他助剂熔融混合做外层料,通过压延机将外层料压合在内基层的两面,固化成型而得,相比于传统的用树脂将芳纶布预浸,树脂干燥后,在模具中热压成型的方法,本发明提出的方法操作简单,制备效率高,原料利用充分,成本低,制备出的芳纶无纬布,阻燃性好,强度高、硬度高、比重轻,具有携带方便,防腐、抗菌、使用寿命长的优点。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (6)
1.一种防弹复合材料用芳纶无纬布的制备方法,其特征在于,包括以下步骤:
S1、取ABS树脂20~45份、聚碳酸酯10~20份、纳米二氧化钛2~5份、阻燃剂1~4份、增强剂0.2~1份、玻璃纤维5~10份、陶瓷纤维5~10份、芳纶纤维15~30份备用;
S2、将芳纶纤维从1~3个纤维轴引出,通过张力装置控制张力送入无纬布生产设备中,调节设备工艺参数,保证每条芳纶纤维经纬线均匀分布,以芳纶纤维经线、纬线正交固结得芳纶织物;
S3、将ABS树脂加热至175~190℃,待完全熔化后,加入聚碳酸酯、纳米二氧化钛、阻燃剂、增强剂、玻璃纤维、陶瓷纤维,以400~600r/min的转速,高速搅拌15~30min,带混合均匀,得混合胶料;
S4、将步骤S3中所得的混合胶料以5~10kg/min的速度挤出,在温度为70~100℃的条件下,用压延机碾压在步骤S2中所得的芳纶织物的两面,得厚度为0.5~5mm无纬布;
S5、待步骤S4中所得的无纬布自然冷却至室温后,将其精切成所需尺寸的无纬布即得。
2.根据权利要求1所述的一种防弹复合材料用芳纶无纬布的制备方法,其特征在于,所述步骤S1中ABS树脂24~40.5份、聚碳酸酯12~18份、纳米二氧化钛3~4份、阻燃剂2~3份、增强剂0.4~0.8份、玻璃纤维6~8份、陶瓷纤维7~9份、芳纶纤维18~25份。
3.根据权利要求1所述的一种防弹复合材料用芳纶无纬布的制备方法,其特征在于,所述ABS树脂32份、聚碳酸酯15份、纳米二氧化钛4份、阻燃剂2份、增强剂0.5份、玻璃纤维8份、陶瓷纤维6份、芳纶纤维20份。
4.根据权利要求1所述的一种防弹复合材料用芳纶无纬布的制备方法,其特征在于,所述步骤S1中ABS树脂、聚碳酸酯的重量比为2~2.25∶1。
5.根据权利要求1所述的一种防弹复合材料用芳纶无纬布的制备方法,其特征在于,所述步骤S1中阻燃剂为十溴二苯乙烷、溴化聚苯乙烯和溴化环氧树脂中的一种。
6.根据权利要求1所述的一种防弹复合材料用芳纶无纬布的制备方法,其特征在于,所述步骤S1中增强剂为DH-1增强剂、DH-2增强剂、DH-3增强剂和DH-4增强剂中的一种。
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