CN104004352A - 一种改性尼龙材料及其制备方法 - Google Patents

一种改性尼龙材料及其制备方法 Download PDF

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CN104004352A
CN104004352A CN201410017674.2A CN201410017674A CN104004352A CN 104004352 A CN104004352 A CN 104004352A CN 201410017674 A CN201410017674 A CN 201410017674A CN 104004352 A CN104004352 A CN 104004352A
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modified nylon
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穆云
杨阿微
杨贤福
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WENZHOU JUXING PETROCHEMISTRY CO Ltd
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Abstract

本发明公开了一种改性尼龙材料及其制备方法，按重量百分比计，其组分和含量为：PA6645%-55%、红磷阻燃剂10%-15%、玻璃纤维22%-30%、耐寒剂5-8%、云母粉1%-4.5%、协助剂0.5%-1.5%。其制备方法包括按重量比秤取PA66,红磷阻燃剂，云母粉，协助剂，混合后加入高速搅拌锅高速搅拌3-5分钟，再加入到双螺杆挤出机中，将玻璃纤维由挤出机入口处加入，调节好指定的温度，最后出料，过水冷却，切粒，包装。本发明的优点是的该尼龙材料具有优异的耐磨性能、机械强度、抗寒性能和阻燃性能，可广泛的应用于汽车、通讯、电子电气设备、机械设备中，并且能够保证这些设备的使用寿命，无形中减低了生产成本。

Description

一种改性尼龙材料及其制备方法
技术领域
本发明涉及一种改性尼龙材料,还涉及该改性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，但是现有的尼龙耐磨性不足，阻燃性不佳，机械强度不够，在寒冷天气里，容易破裂，无法满足设备的需求，因此也相对减少了使用其设备的寿命，无形中增加了生产成本。
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，强度高的尼龙复合材料及其制备方法。
为实现上述目的，本发明提供了如下技术方案：一种改性尼龙材料，按重量百分比计，其组分和含量为：
PA66                        45%-55%；
红磷阻燃剂                  10%-15%；
玻璃纤维                    22%-30%；
耐寒剂                       5%-8%；
云母粉                      1%-4.5%；
协助剂                     0.5%-1.5%。
所述的协助剂为抗氧剂1098和抗氧剂168复配。
一种制备所述的改性尼龙材料的方法，包括如下步骤：
（1）按重量配比秤取原料；
（2）将PA66,红磷阻燃剂，润滑剂，抗氧剂混合后，加入高速搅拌锅，转速控制在300-400r/min，在室温环境下搅拌3-5分钟；
（3）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250℃、二区温度250℃、三区温度250℃、四区温度250℃ 、五区温度245℃、六区温度240℃、七区温度230℃、八区温度220℃，模头温度为240℃，压强大于0.08pa,出料后过水冷却，切粒，包装。
与现有技术相比，本发明的优点是：尼龙中PA66具有更高的熔点、更高的强度和更好的耐磨性，故选择PA66为主料；红磷阻燃剂具有优良的热稳定性，不挥发性，不产生腐蚀性气体，阻燃效果好，电绝缘性佳等特点，在使用过程中没有毒性危险，安全环保；玻璃纤维的绝缘性好、耐热性强、抗腐蚀性好，机械强度高，主要可以增加该尼龙材料的耐热性和机械强度；耐寒剂由乙烯和辛烯的高聚物构成，乙烯和辛烯的高聚物具有较好的耐寒性能，在寒冷的环境下仍有良好的韧性，能偶提高该尼龙材料的耐寒性能；云母粉是一种天然的功能性粉体填充材料，具有高径厚比、耐高温、耐酸碱、耐磨的特点，能够提高该尼龙材料的强度、耐高温性能和耐磨性能；抗氧剂1098和抗氧剂168具有良好的协同作用，可以防止尼龙基础注塑中的热降解，给聚合物额外的长效保护，该尼龙材料具有优异的耐磨性能、机械强度、抗寒性能和阻燃性能，可广泛的应用于汽车、通讯、电子电气设备、机械设备中，并且能够保证这些设备的使用寿命，无形中降低了生产成本。
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。
一种改性尼龙材料，按重量百分比计，其组分和含量为：
PA66                        45%-55%；
红磷阻燃剂                  10%-15%；
玻璃纤维                    22%-30%；
耐寒剂                        5%-8%；
云母粉                      1%-4.5%；
协助剂                    0.5%-1.5%。
所述的耐寒剂为乙烯和辛烯的高聚物。乙烯和辛烯的高聚物具有较好的耐寒性能，在寒冷的环境下仍有良好的韧性，而且其具有强度较好，刚性大，有利于提高该尼龙材料的强度。
所述的协助剂为抗氧剂1098和抗氧剂168复配。抗氧剂1098和抗氧剂168具有良好的协同作用，可以防止尼龙基础注塑中的热降解，给聚合物额外的长效保护，两者复配的具体比例由原料成分而定，本发明的协助剂由抗氧剂1098和抗氧剂168按比例1:2复配。
如表1所示为本发明实施例1-4改性尼龙材料含有的组及各组分含量。
表1实施例1-4改性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 实施例4
PA66 45% 50% 51% 55%
红磷阻燃剂 15% 13% 14% 10%
玻璃纤维 30% 26% 22% 25.5%
耐寒剂 5% 6% 8% 7%
云母粉 4.5% 4% 3.8% 1%
协助剂 0.5% 1% 1.2% 1.5%
搅拌时间 5min 4min 4.5min 4.2min
本技术应用主要是加入不同含量的PA66、玻璃纤维、红磷阻燃剂、耐寒剂和云母粉，其耐磨性能、强度、耐寒性能和阻燃性能会随之变化，可以根据不同的配比制造处不同性能的产品，以满足客户不同的要求。
该改性尼龙材料的制备方法如下：
（1）根据各实施例中的组分含量配比秤取原料；
（2）将PA66,红磷阻燃剂，润滑剂，抗氧剂混合后，加入高速搅拌锅，转速控制在300-400r/min，在室温环境下搅拌设定的时间；
（3）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250℃、二区温度250℃、三区温度250℃、四区温度250℃ 、五区温度245℃、六区温度240℃、七区温度230℃、八区温度220℃，模头温度为240℃，压强大于0.08pa,出料后过水冷却，切粒，包装。
根据实施例2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
拉伸强度 GB/T 1040.2-2006 MPa 100
断裂伸长率 GB/T 1040.2-2006 % 8
弯曲强度 GB/T 9341-2008 MPa 130
弯曲模量 GB/T 9341-2008 MPa 6500
简支梁冲击强度（缺口） GB/T 1043.1-2008 kJ/m2 25
悬臂梁冲击强度（缺口） GB/T 1843.1-2008 kJ/m2 8.0
垂直燃烧(δ=3.2mm) GB/T 2408-2008 / FV-0
阻燃性（灼热丝） GB/T 5169.11-2006 s 850℃通过
球压 GB16915.1-2003 - 压痕直径1.2mm
熔体流动速率 GB/T 3682-2000 g/10min 20
收缩率 GB/T17037.4-2003 % 0.42%

Claims (4)

1.一种改性尼龙材料，其特征在于，按重量百分比计，其组分和含量为：
PA66                        45%-55%；
红磷阻燃剂                  10%-15%；
玻璃纤维                    22%-30%；
耐寒剂                       5%-8%；
云母粉                      1%-4.5%；
协助剂                     0.5%-1.5%。
2.根据权利要求1所述的一种改性尼龙材料，其特征在于：所述的耐寒剂为乙烯和辛烯的高聚物。
3.根据权利要求2所述的一种改性尼龙材料，其特征在于：所述的协助剂为抗氧剂1098和抗氧剂168复配。
4.一种制备权利要求 2或3所述的改性尼龙材料的方法，其特征在于，包括如下步骤：
（1）按重量配比秤取原料；
（2）将PA66、红磷阻燃剂、润滑剂、抗氧剂混合后，加入高速搅拌锅，转速控制在300-400r/min，在室温环境下搅拌3-5分钟；
（3）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250℃、二区温度250℃、三区温度250℃、四区温度250℃ 、五区温度245℃、六区温度240℃、七区温度230℃、八区温度220℃，模头温度为240℃，压强大于0.08pa,出料后过水冷却，切粒，包装。
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104945900A (zh) * 2015-07-29 2015-09-30 苏州新区华士达工程塑胶有限公司 一种耐低温增韧汽车用塑料
CN104987707A (zh) * 2015-07-29 2015-10-21 苏州新区华士达工程塑胶有限公司 一种增强阻燃汽车配件塑料
CN111187512A (zh) * 2019-12-31 2020-05-22 宁波伊德尔新材料有限公司 一种阻燃耐磨耐刮擦pa66复合材料及其制备方法
CN114589973A (zh) * 2022-04-21 2022-06-07 宁波市铁壳虫管业有限公司 一种耐低温复合管及其制备方法

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CN104945900A (zh) * 2015-07-29 2015-09-30 苏州新区华士达工程塑胶有限公司 一种耐低温增韧汽车用塑料
CN104987707A (zh) * 2015-07-29 2015-10-21 苏州新区华士达工程塑胶有限公司 一种增强阻燃汽车配件塑料
CN111187512A (zh) * 2019-12-31 2020-05-22 宁波伊德尔新材料有限公司 一种阻燃耐磨耐刮擦pa66复合材料及其制备方法
CN111187512B (zh) * 2019-12-31 2022-07-08 宁波伊德尔新材料有限公司 一种阻燃耐磨耐刮擦pa66复合材料及其制备方法
CN114589973A (zh) * 2022-04-21 2022-06-07 宁波市铁壳虫管业有限公司 一种耐低温复合管及其制备方法

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Application publication date: 20140827