CN103214840A - 玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料的制备方法 - Google Patents

玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料的制备方法 Download PDF

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CN103214840A
CN103214840A CN2013101318498A CN201310131849A CN103214840A CN 103214840 A CN103214840 A CN 103214840A CN 2013101318498 A CN2013101318498 A CN 2013101318498A CN 201310131849 A CN201310131849 A CN 201310131849A CN 103214840 A CN103214840 A CN 103214840A
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方云祥
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Changshu Kailida Honeycomb Package Material Co Ltd
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Abstract

一种玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料的制备方法，属于高分子材料制备技术领域。其是将聚酰胺610树脂60～68份、聚酰胺6树脂12～17份、增韧剂7~11份、阻燃剂8~14份、磷酸盐9~18份、抗氧剂0.5~0.9份、增强纤维23~29份和炭黑2~3份投入高速混合机中混合；将混合料投入并行双螺杆挤出机中熔融挤出并且经切粒和干燥后包装，得到成品，其中，并行双螺杆挤出机的一区至十二区的温度控制为：一区210℃、二区220℃、三区230℃、四区235℃、五区240℃、六区240℃、七区245℃、八区245℃、九区245℃、十区245℃、十一区245℃、十二区245℃。具有的性能指标：拉伸强度大于110～150MPa，弯曲强度大于200～220MPa，悬臂梁缺口冲击强度大于10～14kJ/m2，阻燃性达到V-0(UL-94-1.6mm)。

Description

玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料的制备方法
技术领域
本发明属于高分子材料制备技术领域，具体涉及一种玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料的制备方法。
背景技术
聚酰胺材料广泛应用在国民经济各个领域如汽车、建筑、电子、日用电气、小家电等。由于聚酰胺材料燃烧时会产生一种特殊臭味，并且产生一定的烟雾场，又由于随着经济的快速增长，对此类材料的需求呈不断增长态势，因而为了减少聚酰胺材料燃烧时对环境和人体影响，要求该类材料必须阻燃并且环保。中国专利CN101503570A公开了使用含卤的阻燃剂来提高制品的阻燃性，而这类材料丢弃后或者回收焚烧处理时，仍然产生诸多有毒有害物质，危害环境。因此，利用合理的原料并且辅以合理的制备方法使得到的聚酰胺复合材料具有无卤环保特点，即使丢弃在环境中，也不会释放有毒有害物质具有一定的积极意义。
发明内容
本发明的任务是要提供一种玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料的制备方法，由该方法制备的聚酰胺复合材料具有无卤阻燃、不会释放有毒有害物质的长处。
本发明的任务是这样来完成的，一种玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料的制备方法，其是先将按重量份数称取的聚酰胺610树脂60～68份、聚酰胺6树脂12～17份、增韧剂7~11份、阻燃剂8~14份、磷酸盐9~18份、抗氧剂0.5~0.9份、增强纤维23~29份和炭黑2~3份投入高速混合机中混合15min，高速混合机的转速为550-600n/min，得到混合料；再将混合料投入并行双螺杆挤出机中熔融挤出并且经切粒和干燥后包装，得到玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料，其中，并行双螺杆挤出机的一区至十二区的温度分别控制为：一区温度210℃、二区温度220℃、三区温度230℃、四区温度235℃、 五区温度 240℃、六区温度240℃、七区温度245℃、八区温度245℃、九区温度245℃、十区温度245℃、十一区温度245℃、十二区温度245℃。
在本发明的一个实施例中，所述的聚酰胺610树脂为熔点在230℃以上，特性黏度指数为2.4 的聚酰胺610树脂。
在本发明的另一个实施例中，所述的聚酰胺6树脂为聚己内酰胺树脂，熔点210℃。
在本发明的又一个实施例中，所述的增韧剂为马来酸酐接枝的乙烯-辛烯共聚物，接枝率为0.8%。
在本发明的再一个实施例中，所述的阻燃剂为次磷酸铝。
在本发明的还有一个实施例中，所述的磷酸盐为三聚氰氨聚磷酸盐。
在本发明的更而一个实施例中，所述的抗氧剂为β（3，5-二叔丁基-4-羟基苯）丙酸十八碳醇酯。
在本发明的进而一个实施例中，所述的增强纤维为长度3mm的无碱短切玻璃纤维。
在本发明的又更而一个实施例中，所述的炭黑为槽法炭黑。
本发明方法得到的玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料经测试具有如下的性能指标：拉伸强度大于110～150MPa，弯曲强度大于200～220MPa,悬臂梁缺口冲击强度大于10～14kj/m2,阻燃性达到V-0(UL-94-1.6mm)。
具体实施方式
实施例1：
先将按重量份数称取的熔点在230℃以上并且特性黏度指数为2.4 的聚酰胺610树脂    68份、熔点为210℃的聚己内酰胺树脂12份、由马来酸酐接枝的乙烯-辛烯共聚物11份、次磷酸铝8份、三聚氰氨聚磷酸盐9份、β（3，5-二叔丁基-4-羟基苯）丙酸十八碳醇酯0.9份、长度为3mm的无碱短切玻璃纤维27份和槽法生产的炭黑2份投入高速混合机中并且在转速为550n/min速度下混合15min，得到混合料；再将混合料投入并行双螺杆挤出机中熔融挤出并且经切粒、干燥后包装，得到玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料，其中，并行双螺杆挤出机的一区至十二区的温度分别控制为：一区温度210℃、二区温度220℃、三区温度230℃、四区温度235℃、 五区温度 240℃、六区温度240℃、七区温度245℃、八区温度245℃、九区温度245℃、十区温度245℃、十一区温度245℃、十二区温度245℃。
实施例2：
先将按重量份数称取的熔点在230℃以上并且特性黏度指数为2.4 的聚酰胺610树脂    60份、熔点为210℃的聚己内酰胺树脂17份、由马来酸酐接枝的乙烯-辛烯共聚物7份、次磷酸铝14份、三聚氰氨聚磷酸盐12份、β（3，5-二叔丁基-4-羟基苯）丙酸十八碳醇酯0.5份、长度为3mm的无碱短切玻璃纤维29份和槽法生产的炭黑2.3份投入高速混合机中并且在转速为600n/min速度下混合15min，得到混合料；再将混合料投入并行双螺杆挤出机中熔融挤出并且经切粒、干燥后包装，得到玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料，其中，并行双螺杆挤出机的一区至十二区的温度分别控制为：一区温度210℃、二区温度220℃、三区温度230℃、四区温度235℃、 五区温度 240℃、六区温度240℃、七区温度245℃、八区温度245℃、九区温度245℃、十区温度245℃、十一区温度245℃、十二区温度245℃。
实施例3：
先将按重量份数称取的熔点在230℃以上并且特性黏度指数为2.4 的聚酰胺610树脂    66份、熔点为210℃的聚己内酰胺树脂13份、由马来酸酐接枝的乙烯-辛烯共聚物9份、次磷酸铝12份、三聚氰氨聚磷酸盐18份、β（3，5-二叔丁基-4-羟基苯）丙酸十八碳醇酯0.7份、长度为3mm的无碱短切玻璃纤维23份和槽法生产的炭黑3份投入高速混合机中并且在转速为570n/min速度下混合15min，得到混合料；再将混合料投入并行双螺杆挤出机中熔融挤出并且经切粒、干燥后包装，得到玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料，其中，并行双螺杆挤出机的一区至十二区的温度分别控制为：一区温度210℃、二区温度220℃、三区温度230℃、四区温度235℃、 五区温度 240℃、六区温度240℃、七区温度245℃、八区温度245℃、九区温度245℃、十区温度245℃、十一区温度245℃、十二区温度245℃。
实施例4：
先将按重量份数称取的熔点在230℃以上并且特性黏度指数为2.4 的聚酰胺610树脂    63份、熔点为210℃的聚己内酰胺树脂15份、由马来酸酐接枝的乙烯-辛烯共聚物10份、次磷酸铝10份、三聚氰氨聚磷酸盐15份、β（3，5-二叔丁基-4-羟基苯）丙酸十八碳醇酯0.6份、长度为3mm的无碱短切玻璃纤维26份和槽法生产的炭黑2.7份投入高速混合机中并且在转速为590n/min速度下混合15min，得到混合料；再将混合料投入并行双螺杆挤出机中熔融挤出并且经切粒、干燥后包装，得到玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料，其中，并行双螺杆挤出机的一区至十二区的温度分别控制为：一区温度210℃、二区温度220℃、三区温度230℃、四区温度235℃、 五区温度 240℃、六区温度240℃、七区温度245℃、八区温度245℃、九区温度245℃、十区温度245℃、十一区温度245℃、十二区温度245℃。
由上述实施例1至4得到的玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料经测试具有如下技术效果：
测试项目 实施例1 实施例2 实施例3 实施例4
拉伸强度MPa 112 126 137 148
弯曲强度MPa 201 209 215 218
悬臂梁缺口冲击强度kj/m2 10.2 11．8 12.8 13.7
阻燃性(UL-94-1.6mm) V-0 V-0 V-0 V-0
是否含卤素 不含 不含 不含 不含

Claims (9)

1.一种玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料的制备方法，其特征在于其是先将按重量份数称取的聚酰胺610树脂60～68份、聚酰胺6树脂12～17份、增韧剂7~11份、阻燃剂8~14份、磷酸盐9~18份、抗氧剂0.5~0.9份、增强纤维23~29份和炭黑2~3份投入高速混合机中混合15min，高速混合机的转速为550-600n/min，得到混合料；再将混合料投入并行双螺杆挤出机中熔融挤出并且经切粒和干燥后包装，得到玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料，其中，并行双螺杆挤出机的一区至十二区的温度分别控制为：一区温度210℃、二区温度220℃、三区温度230℃、四区温度235℃、五区温度 240℃、六区温度240℃、七区温度245℃、八区温度245℃、九区温度245℃、十区温度245℃、十一区温度245℃、十二区温度245℃。
2.根据权利要求1所述的玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料，其特征在于所述的聚酰胺610树脂为熔点在230℃以上，特性黏度指数为2.4 的聚酰胺610树脂。
3.根据权利要求1所述的玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料，其特征在于所述的聚酰胺6树脂为聚己内酰胺树脂，熔点210℃。
4.根据权利要求1所述的玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料，其特征在于所述的增韧剂为马来酸酐接枝的乙烯-辛烯共聚物，接枝率为0.8%。
5.根据权利要求1所述的玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料，其特征在于所述的阻燃剂为次磷酸铝。
6.根据权利要求1所述的玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料，其特征在于所述的磷酸盐为三聚氰氨聚磷酸盐。
7.根据权利要求1所述的玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料，其特征在于所述的抗氧剂为β（3，5-二叔丁基-4-羟基苯）丙酸十八碳醇酯。
8.根据权利要求1所述的玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料，其特征在于所述的增强纤维为长度3mm的无碱短切玻璃纤维。
9.根据权利要求1所述的玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料，其特征在于所述的炭黑为槽法炭黑。
CN2013101318498A 2013-04-16 2013-04-16 玻璃纤维增强的黑色无卤阻燃聚酰胺复合材料的制备方法 Pending CN103214840A (zh)

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