CN103897269A - 阻燃抗老化建筑用复合材料聚丙烯及其制备方法 - Google Patents

阻燃抗老化建筑用复合材料聚丙烯及其制备方法 Download PDF

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CN103897269A
CN103897269A CN201410092150.XA CN201410092150A CN103897269A CN 103897269 A CN103897269 A CN 103897269A CN 201410092150 A CN201410092150 A CN 201410092150A CN 103897269 A CN103897269 A CN 103897269A
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蒋建华
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JIANGSU KANGFEITE POWER TECHNOLOGY Co Ltd
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Abstract

本发明公开了一种阻燃抗老化建筑用复合材料聚丙烯，按重量组份包括：共聚级PP树脂：80-85份，阻燃剂：20-25份，防紫外线剂：1-3份，抗氧剂：0.4-0.5份，偶联剂：1.5-2份，其制备方法包括以下步骤：按重量份数称取共聚级PP树脂、阻燃剂、防紫外线剂、抗氧剂、偶联剂，并投入高速混料机混合，得到造粒用原料；将造粒用原料投入双螺杆挤出机中熔融挤出，得到阻燃抗老化建筑用复合材料聚丙烯。本发明提供的制备方法得到的阻燃抗老化建筑用聚丙烯复合材料经过测试具有如下的性能指数：拉伸强度大于25Mpa，悬臂梁缺口冲击强度大于65kj/㎡,熔融指数大于6.5，阻燃性达到V-0（ul-94），抗老化性能达75%以上。

Description

阻燃抗老化建筑用复合材料聚丙烯及其制备方法
技术领域
本发明属于高分子材料制备领域，具体涉及一种建筑使用阻燃抗老化建筑用聚丙烯复合材料。 
背景技术
聚丙烯（PP）是一种重要的工程塑料，被广泛的用在汽车，工业，器械，医疗，电器，日用消费品等各个领域。它具有良好的防酸防碱的能力和防有机溶剂的能力强。但使用中操作温度低容易发生融体，遇高温极其容易自燃，且容易紫外线下氧化过程中发生老化。 
发明内容
本发明的目的是为了克服以上的不足，提供一种阻燃抗老化建筑用复合材料聚丙烯及其制备方法。 
本发明的技术解决方案是： 
阻燃抗老化建筑用复合材料聚丙烯，所述复合材料按重量组份包括：共聚级PP树脂：80-85份，阻燃剂：20-25份，防紫外线剂：1-3份，抗氧剂：0.4-0.5份，偶联剂：1.5-2份。
阻燃抗老化建筑用复合材料聚丙烯的制备方法，包括以下步骤： 
A、制备造粒用原料：按重量份数称取共聚级PP树脂80-85份，阻燃剂20-25份，防紫外线剂1-3份，抗氧剂0.4-0.5份，偶联剂1.5-2份，并投入高速混料机混合，所述高速混料机的转速为10r/s，得到造粒用原料；
B、将上述步骤得到的造粒用原料投入双螺杆挤出机中熔融挤出，并控制双螺杆挤出机的一区至六区的挤出温度，得到复合材料聚丙烯。
本发明的进一步改进在于：共聚级PP树脂为熔点170℃以上且熔融指数为10的PP树脂。 
本发明的进一步改进在于：阻燃剂为氢氧化铝。 
本发明的进一步改进在于：紫外线吸收剂为2-羟基-4-正辛氧基二苯甲酮。 
本发明的进一步改进在于：抗氧剂为丙酸正十八碳醇脂(3.5-二叔丁基-4-羟基苯基)。 
本发明的进一步改进在于：偶联剂为磷化钛酸酯偶联剂。 
本发明的进一步改进在于：A步骤中的混料时间为10分钟。 
本发明的进一步改进在于：步骤B中的控制双螺杆挤出机的一区至六区的温度是将温度控制为：一区195℃、二区205℃、三区210℃、四区210℃、五区205℃、六区190℃。 
本发明与现有技术相比具有以下有点：本发明提供的制备方法得到的阻燃抗老化建筑用聚丙烯复合材料经过测试具有如下的性能指数：拉伸强度大于25Mpa，悬臂梁缺口冲击强度大于65kj/㎡,熔融指数大于6.5，阻燃性达到V-0（ul-94），抗老化性能达75%以上。 
具体实施方式：
为了加深对本发明的理解，下面将结合实施例对本发明作进一步详述，下列实施例仅用于解释本发明，并不构成对本发明保护范围的限定。
阻燃抗老化建筑用复合材料聚丙烯，所述复合材料按重量组份包括：共聚级PP树脂：80-85份，阻燃剂：20-25份，防紫外线剂：1-3份，抗氧剂：0.4-0.5份，偶联剂：1.5-2份。 
一种阻燃抗老化建筑用复合材料聚丙烯的制备方法，包括以下步骤： 
A、制备造粒用原料：按重量份数称取共聚级PP树脂80-85份，阻燃剂20-25份，防紫外线剂1-3份，抗氧剂0.4-0.5份，偶联剂1.5-2份，并投入高速混料机混合，所述高速混料机的转速为10r/s，得到造粒用原料；
B、将上述步骤得到的造粒用原料投入双螺杆挤出机中熔融挤出，并控制双螺杆挤出机的一区至六区的挤出温度，得到复合材料聚丙烯。
其中，共聚级PP树脂为熔点170℃以上且熔融指数为10的PP树脂；阻燃剂为氢氧化铝；紫外线吸收剂为2-羟基-4-正辛氧基二苯甲酮；抗氧剂为丙酸正十八碳醇脂(3.5-二叔丁基-4-羟基苯基)；偶联剂为磷化钛酸酯偶联剂。 
制备方法中，A步骤中的混料时间为10分钟；步骤B中的控制双螺杆挤出机的一区至六区的温度是将温度控制为：一区195℃、二区205℃、三区210℃、四区210℃、五区205℃、六区190℃。 
实施例1 
制备造粒用原料：按重量份数称取熔点在170℃以上，且熔融指数为10的共聚级PP树脂85份，氢氧化铝阻燃剂20份，2-羟基-4-正辛氧基二苯甲酮紫外线吸收剂1.2份，丙酸正十八碳醇酯抗氧剂0.4份，磷化钛酸酯偶联剂1.5份，并且投入高速混合机中混合10min, 高速混料机的转速为10r/s，得到造粒用原料。
得到的造粒用原料投入双螺杆挤出机中熔融挤出，控制双螺杆挤出机的一区至六区的温度为：一区195℃,二区205℃，三区210℃，四区210℃，五区205℃，六区190℃，得到阻燃抗老化建筑用聚丙烯复合材料。 
实施例2 
制备造粒用原料：按重量份数称取熔点在170℃以上且熔融指数为10的共聚级PP树脂84份，氢氧化铝阻燃剂21份，2-羟基-4-正辛氧基二苯甲酮紫外线吸收剂1.5份，丙酸正十八碳醇酯抗氧剂0.45份，磷化钛酸酯偶联剂1.6份，并且投入高速混合机中混合10min, 高速混料机的转速为10r/s，得到造粒用原料。
得到的造粒用原料投入双螺杆挤出机中熔融挤出，控制双螺杆挤出机的一区至六区的温度为：一区195℃，二区205℃，三区210℃，四区210℃，五区205℃，六区190℃，得到阻燃抗老化建筑用聚丙烯复合材料。 
实施例3 
制备造粒用原料：按重量份数称取熔点在170℃以上且熔融指数为10的共聚级PP树脂83份，氢氧化铝阻燃剂22份，2-羟基-4-正辛氧基二苯甲酮紫外线吸收剂2份，丙酸正十八碳醇酯抗氧剂0.45份，磷化钛酸酯偶联剂1.7份，并且投入高速混合机中混合10min, 高速混料机的转速为10r/s，得到造粒用原料。
得到的造粒用原料投入双螺杆挤出机中熔融挤出，控制双螺杆挤出机的一区至六区的温度为：一区195℃，二区205℃，三区210℃，四区210℃，五区205℃，六区190℃，得到阻燃抗老化建筑用聚丙烯复合材料。 
实施例4 
制备造粒用原料：按重量份数称取熔点在170℃以上且熔融指数为10的共聚级PP树脂82份，氢氧化铝阻燃剂23份，2-羟基-4-正辛氧基二苯甲酮紫外线吸收剂2.5份，丙酸正十八碳醇酯抗氧剂0.5份，磷化钛酸酯偶联剂1.8份，并且投入高速混合机中混合10min, 高速混料机的转速为10r/s，得到造粒用原料。
得到的造粒用原料投入双螺杆挤出机中熔融挤出，控制双螺杆挤出机的一区至六区的温度为：一区195℃，二区205℃，三区210℃，四区210℃，五区205℃，六区190℃，得到阻燃抗老化建筑用聚丙烯复合材料。 
实施例5 
制备造粒用原料：按重量份数称取熔点在170℃以上且熔融指数为10的共聚级PP树脂81份，氢氧化铝阻燃剂24份，2-羟基-4-正辛氧基二苯甲酮紫外线吸收剂2.7份，丙酸正十八碳醇酯抗氧剂0.5份，磷化钛酸酯偶联剂1.9份，并且投入高速混合机中混合10min, 高速混料机的转速为10r/s，得到造粒用原料。
得到的造粒用原料投入双螺杆挤出机中熔融挤出，控制双螺杆挤出机的一区至六区的温度为：一区195℃，二区205℃，三区210℃，四区210℃，五区205℃，六区190℃，得到阻燃抗老化建筑用聚丙烯复合材料。 
实施例6 
制备造粒用原料：按重量份数称取熔点在170℃以上且熔融指数为10的共聚级PP树脂80份，氢氧化铝阻燃剂25份，2-羟基-4-正辛氧基二苯甲酮紫外线吸收剂3份，丙酸正十八碳醇酯抗氧剂0.5份，磷化钛酸酯偶联剂2份，并且投入高速混合机中混合10min, 高速混料机的转速为10r/s，得到造粒用原料。
得到的造粒用原料投入双螺杆挤出机中熔融挤出，控制双螺杆挤出机的一区至六区的温度为：一区195℃，二区205℃，三区210℃，四区210℃，五区205℃，六区190℃，得到阻燃抗老化建筑用聚丙烯复合材料。 
由上述实施例1、实施例3和实施例6得到的阻燃抗老化建筑用聚丙烯复合材料经测试具有下表所示的技术效果： 
测试项目 实施例1 实施例3 实施例6
拉伸强度Mpa 28 27.8 27.2
悬臂梁缺口冲击强度kg/㎡ 67.5 66 65.8
熔融指数 7.1 6.8 6.6
阻燃性（UL-94） V-0 V-0 V-0
抗老化 75.5% 78% 78.6%

Claims (9)

1.一种阻燃抗老化建筑用复合材料聚丙烯，其特征在于：所述复合材料按重量组份包括：共聚级PP树脂：80-85份，阻燃剂：20-25份，防紫外线剂：1-3份，抗氧剂：0.4-0.5份，偶联剂：1.5-2份。
2.一种制备权利要求1所述的阻燃抗老化建筑用复合材料聚丙烯的方法，其特征在于：包括以下步骤：
A、制备造粒用原料：按重量份数称取共聚级PP树脂80-85份，阻燃剂20-25份，防紫外线剂1-3份，抗氧剂0.4-0.5份，偶联剂1.5-2份，并投入高速混料机混合，所述高速混料机的转速为10r/s，得到造粒用原料；
B、将上述步骤得到的造粒用原料投入双螺杆挤出机中熔融挤出，并控制双螺杆挤出机的一区至六区的挤出温度，得到复合材料聚丙烯。
3.根据权利要求1所述的阻燃抗老化建筑用复合材料聚丙烯，其特征在于：所述共聚级PP树脂为熔点170℃以上且熔融指数为10的PP树脂。
4.根据权利要求1所述的阻燃抗老化建筑用复合材料聚丙烯，其特征在于：所述阻燃剂为氢氧化铝。
5.根据权利要求1所述的阻燃抗老化建筑用复合材料聚丙烯，其特征在于：所述紫外线吸收剂为2-羟基-4-正辛氧基二苯甲酮。
6.根据权利要求1所述的阻燃抗老化建筑用复合材料聚丙烯，其特征在于：所述抗氧剂为丙酸正十八碳醇脂(3.5-二叔丁基-4-羟基苯基)。
7.根据权利要求1所述的阻燃抗老化建筑用复合材料聚丙烯，其特征在于：所述偶联剂为磷化钛酸酯偶联剂。
8.根据权利要求书2所述的阻燃抗老化建筑用复合材料聚丙烯的制备方法，其特征在于：所述A步骤中的混料时间为10分钟。
9.根据权利要求书2所述的阻燃抗老化建筑用复合材料聚丙烯的制备方法，其特征在于：所述步骤B中的控制双螺杆挤出机的一区至六区的温度是将温度控制为：一区195℃、二区205℃、三区210℃、四区210℃、五区205℃、六区190℃。
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