CN103772824B - 一种低烟阻燃聚丙烯材料及其制备方法 - Google Patents

一种低烟阻燃聚丙烯材料及其制备方法 Download PDF

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CN103772824B
CN103772824B CN201410033155.5A CN201410033155A CN103772824B CN 103772824 B CN103772824 B CN 103772824B CN 201410033155 A CN201410033155 A CN 201410033155A CN 103772824 B CN103772824 B CN 103772824B
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石磊
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Liuzhou Ling Xiang new Mstar Technology Ltd
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NANTONG RED STON TECHNOLOGY DEVELOPMENT Co Ltd
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Abstract

本发明属于高分子材料领域，公开了一种低烟阻燃聚丙烯材料及其制备方法。该复合材料由包含以下重量份的组分制成：60-70重量份聚丙烯、35-40重量份玻璃纤维、10-15重量份马来酸酐接枝聚丙烯、30-36重量份阻燃剂、0.1-0.5重量份金属钝化剂、3-5重量份成膜剂、3-5重量份乳化剂和2-5重量份抗氧剂1010。各成分通过混合、双螺杆挤压机挤压处理等步骤制备得到，制得的材料的冲击强度、拉伸强度、弯曲强度和极限氧指数等均有显著提高。

Description

一种低烟阻燃聚丙烯材料及其制备方法
技术领域
本发明属于高分子材料领域，尤其涉及一种低烟阻燃聚丙烯材料及其制备方法。
背景技术
聚丙烯具有良好的加工性能、力学性能以及价格低廉等特点，因而被广泛用于化工、化纤、包装、家电等行业。但是，聚丙烯存在耐高温强度不足以及易燃易发烟等缺点，这大大限制了聚丙烯材料的应用范围。
中国专利CN03116100公布了一种新型无卤阻燃剂，以及该阻燃剂在聚烯烃材料中的应用。这一阻燃技术克服了卤素阻燃技术对环境的污染，在保证阻燃的前提下，使得火灾中产生的有害气体降到最低程度。但是，要想达到较好的阻燃效果，必须大量添加阻燃剂，通常添加质量分数为30-60%才能取得明显的阻燃效果。然而，大量添加膨胀型阻燃剂会造成聚合物自身力学性能的大幅下降。
发明内容
本发明目的在于解决现有技术中存在的问题，提供了一种低烟阻燃聚丙烯材料及其制备方法，制得材料的冲击强度、拉伸强度、弯曲强度和极限氧指数等均有显著提高。
本发明的目的可以通过以下技术方案实现：
一种低烟阻燃聚丙烯材料，由包含以下重量份的组分制成：
聚丙烯60-70份，
玻璃纤维35-40份，
马来酸酐接枝聚丙烯10-15份，
阻燃剂30-36份，
金属钝化剂0.1-0.5份,
成膜剂3-5份，
乳化剂3-5份，
抗氧剂10102-5份。
所述的金属钝化剂选自草酸二酰肼、苯并***和亚水杨基乙二胺中的一种；所述成膜剂为聚乙烯。
所述阻燃剂为聚磷酸铵和季戊四醇的混合物，聚磷酸铵所占质量百分数为70%。
所述乳化剂为烷基二苯醚二磺酸钠。
一种低烟阻燃聚丙烯材料的制备方法，该方法包括以下步骤：
称取60-70重量份聚丙烯、35-40重量份玻璃纤维、10-15重量份马来酸酐接枝聚丙烯、30-36重量份阻燃剂、0.1-0.5重量份金属钝化剂、3-5重量份成膜剂、3-5重量份乳化剂和2-5重量份抗氧剂1010，加入到高混机中，混料温度控制在60-80℃，混料5-10分钟后停止，将混合均匀的物料送入双螺杆挤出机中，最后经过挤出、拉条、冷却后，制成粒料；
所述挤出机的各段温度为:第一段90-120℃，第二段120-150℃，第三段150-170℃，第四段170-190℃，第五段190-200℃。
有益效果：
本发明制得的材料不仅因为玻璃纤维的加入具有良好的力学性能，而且本发明在原料的混合过程中加入了乳化剂和成膜剂，并通过在原料的混合中加热60-80℃，使得乳化剂发挥作用，使得玻璃纤维表面有相应成膜剂的包裹，提高树脂与纤维之间的界面粘结，实现聚丙烯阻燃材料与连续纤维增强技术上的互补。此外金属钝化剂与抗氧剂1010配合使用，使得钝化效率升高。
具体实施方式
以下结合实施例对本发明作进一步的说明。
实施例1
称取60kg聚丙烯、38kg玻璃纤维、15kg马来酸酐接枝聚丙烯、21kg聚磷酸铵、9kg季戊四醇、0.5kg草酸二酰肼、5kg聚乙烯、3kg烷基二苯醚二磺酸钠和4kg抗氧剂1010，加入到高混机中，混料温度控制在80℃，混料10分钟后停止，将混合均匀的物料送入双螺杆挤出机中，最后经过挤出、拉条、冷却后，制成粒料；
所述挤出机的各段温度为:第一段110℃，第二段130℃，第三段160℃，第四段180℃，第五段200℃。
制得复合材料的性能测试结果如表1所示。
实施例2
称取70kg聚丙烯、40kg玻璃纤维、10kg马来酸酐接枝聚丙烯、25kg聚磷酸铵、11kg季戊四醇、0.3kg苯并***、3kg聚乙烯、4kg烷基二苯醚二磺酸钠和5kg抗氧剂1010，加入到高混机中，混料温度控制在70℃，混料5分钟后停止，将混合均匀的物料送入双螺杆挤出机中，最后经过挤出、拉条、冷却后，制成粒料；
所述挤出机的各段温度为:第一段90℃，第二段120℃，第三段150℃，第四段170℃，第五段190℃。
制得复合材料的性能测试结果如表1所示。
实施例3
称取68kg聚丙烯、35kg玻璃纤维、12kg马来酸酐接枝聚丙烯、23kg聚磷酸铵、10kg季戊四醇、0.1kg亚水杨基乙二胺、4kg聚乙烯、5kg烷基二苯醚二磺酸钠和2kg抗氧剂1010，加入到高混机中，混料温度控制在60℃，混料8分钟后停止，将混合均匀的物料送入双螺杆挤出机中，最后经过挤出、拉条、冷却后，制成粒料；
所述挤出机的各段温度为:第一段120℃，第二段150℃，第三段170℃，第四段190℃，第五段200℃。
制得复合材料的性能测试结果如表1所示。
表1
测试标准 实施例1 实施例2 实施例3
极限氧指数（%） GB2406-80 50.2 46.7 48.5
悬臂梁缺口冲击强度（KJ/m2） GB/T1447-2005 129.8 123.2 127.9
弯曲强度（MPa） GB/T1447-2005 295.6 274.3 282.1

Claims (1)

1.一种低烟阻燃聚丙烯材料，其特征在于，由包含以下重量份的组分制成：
聚丙烯60-70份，
玻璃纤维35-40份，
马来酸酐接枝聚丙烯10-15份，
阻燃剂30-36份，
金属钝化剂0.1-0.5份,
成膜剂3-5份，
乳化剂3-5份，
抗氧剂10102-5份；
所述的金属钝化剂选自草酸二酰肼、苯并***和亚水杨基乙二胺中的一种；所述成膜剂为聚乙烯；
所述阻燃剂为聚磷酸铵和季戊四醇的混合物，聚磷酸铵所占质量百分数为70%；
所述乳化剂为烷基二苯醚二磺酸钠；
所述的一种低烟阻燃聚丙烯材料的制备方法，该方法包括以下步骤：
称取60-70重量份聚丙烯、35-40重量份玻璃纤维、10-15重量份马来酸酐接枝聚丙烯、30-36重量份阻燃剂、0.1-0.5重量份金属钝化剂、3-5重量份成膜剂、3-5重量份乳化剂和2-5重量份抗氧剂1010，加入到高混机中，混料温度控制在60-80℃，混料5-10分钟后停止，将混合均匀的物料送入双螺杆挤出机中，最后经过挤出、拉条、冷却后，制成粒料；
所述挤出机的各段温度为:第一段90-120℃，第二段120-150℃，第三段150-170℃，第四段170-190℃，第五段190-200℃。
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CN104945577A (zh) * 2015-06-23 2015-09-30 苏州荣昌复合材料有限公司 一种阻燃型改性塑料的制备方法
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CN1386714A (zh) * 2001-05-23 2002-12-25 上海杰事杰新材料股份有限公司 玻璃纤维表面处理剂
CN1765972A (zh) * 2004-10-29 2006-05-03 上海日之升新技术发展有限公司 可用于电器壳体的无卤阻燃抗静电改性聚丙烯组合物
CN102010548A (zh) * 2010-09-27 2011-04-13 松下家电研究开发（杭州）有限公司 一种玻纤增强聚丙烯材料及其耐水解、耐氧化评价方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1386714A (zh) * 2001-05-23 2002-12-25 上海杰事杰新材料股份有限公司 玻璃纤维表面处理剂
CN1765972A (zh) * 2004-10-29 2006-05-03 上海日之升新技术发展有限公司 可用于电器壳体的无卤阻燃抗静电改性聚丙烯组合物
CN102010548A (zh) * 2010-09-27 2011-04-13 松下家电研究开发（杭州）有限公司 一种玻纤增强聚丙烯材料及其耐水解、耐氧化评价方法

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