CN104004351A - 高玻纤增强尼龙材料及其制备方法 - Google Patents
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Abstract
本发明公开了一种高玻纤增强尼龙材料及其制备方法,按重量百分比计,其组分和含量为:尼龙6630%-35%,玻璃纤维60%-64%,硅烷偶联剂0.03%-0.05%,抗氧剂10100.15%-0.2%,抗氧剂10680.15%-0.25%,硅酮0.6%-1%,硬脂酸钙0.35%-0.5%,滑石粉3.5%-4.5%;其制备方法包括:按含量配比将PA66、硅烷偶联剂、抗氧剂1010、抗氧剂1068、硅酮、硬脂酸钙、滑石粉混合后,加入高速搅拌锅,在室温环境下高速搅拌4-6分钟,将搅拌好的原料加入双螺杆挤出机,将玻璃纤维由挤出机入口处加入,出料后拉条过水冷却,切粒,干燥,包装。本发明的尼龙材料具有极高的强度,可广泛的应用于汽车、通讯、电子电气设备、机械设备中。
Description
技术领域
本发明涉及一种高玻纤增强尼龙材料,还涉及该高玻纤增强尼龙材料的制备方法。
背景技术
尼龙是聚酰胺树脂(PA),它的酰胺基团具有极性,在它的结构中存在牢固的氢键,使得尼龙的熔点较高,具有良好的力学性能。随着尼龙科技的发展,尼龙在汽车、通讯、电子电气设备、机械设备中的应用逐渐增加,但是现有的尼龙强度不足,无法满足工程设备的使用要求,为了增加强度则需要添加大量的玻璃纤维,但生产时会出现玻璃纤维混合搅拌不效果不佳的问题,因此生产出来的尼龙材料强度还是不够,而且使用寿命短。
发明内容
针对现有技术存在的不足,本发明的目的在于提供一种耐磨性好,强度高的尼龙材料及其制备方法。
为实现上述目的,本发明提供了如下技术方案:一种高玻纤增强尼龙材料,按重量百分比计,其组分和含量为:
尼龙66 30%-35%
玻璃纤维 60%-64%
硅烷偶联剂 0.03%-0.05%
抗氧剂1010 0.15%-0.2%
抗氧剂1068 0.15%-0.25%
硅酮 0.6%-1%
硬脂酸钙 0.35%-0.5%
滑石粉 3.5%-4.5%。
一种制备所述的高玻纤增强尼龙材料的方法,包括如下步骤:
(1)按含量配比将PA66、硅烷偶联剂、抗氧剂1010、抗氧剂1068、硅酮、硬脂酸钙、滑石粉混合后,加入高速搅拌锅,转速控制在400-500r/min,在室温环境下搅拌4-6分钟;
(2)将搅拌好的原料加入双螺杆挤出机,将玻璃纤维由挤出机入口处加入,双螺杆挤出机内的温度分别为:一区温度280℃、二区温度280℃、三区温度280℃、四区温度275℃、五区温度270℃、六区温度270℃、七区温度260℃、八区温度260℃,模头温度为280℃,真空压强≥0.08pa,出料后拉条过水冷却,切粒,干燥,包装。
尼龙中尼龙66具有更高的熔点、更高的强度和更好的耐磨性,故选择尼龙66为主料。
玻璃纤维具有良好的耐热性和较高的机械强度,能够相应的增加该尼龙的耐热性能和强度。
硅烷偶联剂可在无机物质和有机物质的界面之间架起“分子桥”,把两种性质悬殊的材料连接在一起,提高复合材料的性能和增加粘接强度的作用。
抗氧剂1010是一种高分子量的受阻酚抗氧剂,挥发性很低,而且不易迁移,耐萃取,能够提高该尼龙的抗氧性能,可以有效的延长制品的使用寿命;同时抗氧剂1010也是一种高效的加工稳定剂,能改善聚合物材料在高温加工条件下的耐变色性。
抗氧剂1068是抗氧剂1010与抗氧剂168的复配产品,复合的抗氧剂1068具有更低的成本,比单独使用抗氧剂168或者抗氧剂1010的抗氧效果更好。
硅酮能提高该尼龙加工的流动性,减少设备磨损。
硬脂酸钙能够增加该尼龙在挤出成型和压制成型时的可加工性,使得尼龙成型更加省力,大大降低了生产难度,提高了生产效率。
滑石粉具有润滑性、耐火性、熔点高、光泽好、吸附力强等优良的物理、化学特性,由于滑石的结晶构造是呈层状的,所以具有易分裂成鳞片的趋向和特殊的滑润性,能有效提高该尼龙的润滑性能、阻燃性能。
本发明的有益效果是:本发明的玻璃纤维含量较高,使得该尼龙产品具有极高的强度,在尼龙66中加入硅酮和硬脂酸钙,使其在生产时提高混合物的流动性和可加工性,使其与玻璃纤维混合的更加充分,同时加入硅烷偶联剂可以提高该尼龙材料的粘接强度,同时通过滑石粉来增加该尼龙材料的润滑性能和阻燃性能,通过抗氧剂1010和抗氧剂1068的协同作用提高该尼龙材料的抗氧性能,可广泛的应用于汽车、通讯、电子电气设备、机械设备中,不仅满足工程塑料的使用要求,而且具有较高的使用寿命。
具体实施方式
以下将结合具体实施例对本发明作进一步说明,但本发明的保护范围,并不局限于此。
一种高玻纤增强尼龙材料,按重量百分比计,其组分和含量为:
尼龙66 30%-35%
玻璃纤维 60%-64%
硅烷偶联剂 0.03%-0.05%
抗氧剂1010 0.15%-0.2%
抗氧剂1068 0.15%-0.25%
硅酮 0.6%-1%
硬脂酸钙 0.35%-0.5%
滑石粉 3.5%-4.5%。
如表1所示为本发明实施例1-3高玻纤增强尼龙材料含有的组及各组分含量。
表1实施例1-3高玻纤增强尼龙材料含有的组及各组分含量
复合材料含有组分及各组分含量 | 实施例1 | 实施例2 | 实施例3 |
尼龙66 | 30% | 32% | 35% |
玻璃纤维 | 64% | 63% | 60% |
硅烷偶联剂 | 0.04% | 0.03% | 0.05% |
抗氧剂1010 | 0.2% | 0.17% | 0.15% |
抗氧剂1068 | 0.25% | 0.2% | 0.15% |
硅酮 | 0.6% | 0.1% | 0.8% |
硬脂酸钙 | 0.41% | 0.5% | 0.35% |
滑石粉 | 4.5% | 4% | 3.5% |
该高玻纤增强尼龙材料的制备方法如下:
(1)按含量配比将PA66、硅烷偶联剂、抗氧剂1010、抗氧剂1068、硅酮、硬脂酸钙、滑石粉混合后,加入高速搅拌锅,转速控制在400-500r/min,在室温环境下搅拌5分钟;
(2)将搅拌好的原料加入双螺杆挤出机,将玻璃纤维由挤出机入口处加入,双螺杆挤出机内的温度分别为:一区温度280℃、二区温度280℃、三区温度280℃、四区温度275℃、五区温度270℃、六区温度270℃、七区温度260℃、八区温度260℃,模头温度为280℃,真空压强≥0.08pa,出料后拉条过水冷却,切粒,干燥,包装。
根据实施例3制备的尼龙材料做检测后其报告如下:
检测报告
检 测 项 目 | 测 试 标 准 | 单 位 | 实测数据 |
玻纤 | GB/ 9345.1-2008 | % | 60 |
拉伸强度 | GB/T 1040.2-2006 | MPa | 230 |
断裂伸长率 | GB/T 1040.2-2006 | % | 2.5 |
弯曲强度 | GB/T 9341-2008 | MPa | 340 |
弯曲模量 | GB/T 9341-2008 | MPa | 15600 |
简支梁冲击强度(缺口) | GB/T 1043.1-2008 | kJ/m2 | 23 |
悬臂梁冲击强度(缺口) | GB/T 1843.1-2008 | kJ/m2 | 13 |
热变形温度 | GB/T 1634.2-2004 | ℃ | 255 |
Claims (2)
1. 一种高玻纤增强尼龙材料,其特征在于,按重量百分比计,其组分和含量为:
尼龙66 30%-35%
玻璃纤维 60%-64%
硅烷偶联剂 0.03%-0.05%
抗氧剂1010 0.15%-0.2%
抗氧剂1068 0.15%-0.25%
硅酮 0.6%-1%
硬脂酸钙 0.35%-0.5%
滑石粉 3.5%-4.5%。
2.一种制备权利要求1所述的高玻纤增强尼龙材料的方法,其特征在于,包括如下步骤:
(1)按含量配比将PA66、硅烷偶联剂、抗氧剂1010、抗氧剂1068、硅酮、硬脂酸钙、滑石粉混合后,加入高速搅拌锅,转速控制在400-500r/min,在室温环境下搅拌4-6分钟;
(2)将搅拌好的原料加入双螺杆挤出机,将玻璃纤维由挤出机入口处加入,双螺杆挤出机内的温度分别为:一区温度280℃、二区温度280℃、三区温度280℃、四区温度275℃、五区温度270℃、六区温度270℃、七区温度260℃、八区温度260℃,模头温度为280℃,真空压强≥0.08pa,出料后拉条过水冷却,切粒,干燥,包装。
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Cited By (5)
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CN104859928A (zh) * | 2015-04-17 | 2015-08-26 | 柳州蔚园塑料彩印包装有限责任公司 | 快递用塑料包装袋的制作方法 |
CN105131592A (zh) * | 2015-08-31 | 2015-12-09 | 宁波海雨新材料科技有限公司 | 一种高含量玻纤增强尼龙66复合材料及制备方法 |
CN107949602A (zh) * | 2015-09-17 | 2018-04-20 | 陶氏环球技术有限责任公司 | 具有降低点火灵敏度的聚合物涂层组合物 |
CN109438979A (zh) * | 2018-11-22 | 2019-03-08 | 浙江华谊胜德材料科技有限公司 | 一种高光滑工程塑料合金及其制备方法 |
CN114316585A (zh) * | 2022-01-08 | 2022-04-12 | 浙江卡尼尔聚合新材料有限公司 | 一种高强度尼龙66复合材料及其加工工艺 |
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CN107949602A (zh) * | 2015-09-17 | 2018-04-20 | 陶氏环球技术有限责任公司 | 具有降低点火灵敏度的聚合物涂层组合物 |
CN107949602B (zh) * | 2015-09-17 | 2020-11-27 | 陶氏环球技术有限责任公司 | 具有降低点火灵敏度的聚合物涂层组合物 |
CN109438979A (zh) * | 2018-11-22 | 2019-03-08 | 浙江华谊胜德材料科技有限公司 | 一种高光滑工程塑料合金及其制备方法 |
CN114316585A (zh) * | 2022-01-08 | 2022-04-12 | 浙江卡尼尔聚合新材料有限公司 | 一种高强度尼龙66复合材料及其加工工艺 |
CN114316585B (zh) * | 2022-01-08 | 2024-01-02 | 浙江卡尼尔聚合新材料有限公司 | 一种高强度尼龙66复合材料及其加工工艺 |
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