CN103881185A - 一种阻燃改性聚乙烯材料及其制备方法 - Google Patents

一种阻燃改性聚乙烯材料及其制备方法 Download PDF

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CN103881185A
CN103881185A CN201210559392.6A CN201210559392A CN103881185A CN 103881185 A CN103881185 A CN 103881185A CN 201210559392 A CN201210559392 A CN 201210559392A CN 103881185 A CN103881185 A CN 103881185A
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retardant
flame
polythene material
fire
silicon
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Qingdao Xinzhan Plastic Co Ltd
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Abstract

本发明公开了一种阻燃改性聚乙烯材料及其制备方法。本发明的一种阻燃改性聚乙烯材料，其组分按质量百分数配比为：聚乙烯45%～70%、硅系阻燃剂12%～25%、阻燃协同剂3%～8%、碳酸钙15%～30%、分散剂0.5%～2%、偶联剂0.1%～1%、抗氧剂0.1%～1%。本发明的有益效果是，与现有技术相比，本发明采用添加硅系阻燃剂共混制得的一种阻燃改性聚乙烯材料，不仅具有优异的阻燃性（氧指数为32以上），达到UL94-0阻燃级标准，而且低烟，无毒，防熔滴，环境友好，循环使用效果较好，可满足人们对阻燃的严格要求，同时还能改善材料的加工性能、机械性能、耐热性能等，具有很好的发展潜力和应用前景。

Description

一种阻燃改性聚乙烯材料及其制备方法
技术领域
本发明涉及高分子材料技术领域，具体地说是一种阻燃改性聚乙烯材料及其制备方法。
背景技术
聚乙烯是一种质轻无毒，具有优良的电绝缘性能和耐化学腐蚀性能的热塑性材料，其价格低廉，成型加工容易，广泛应用于电器、化工、食品、机械等行业，其中应用于电线电缆行业尤甚。同时聚乙烯有耐燃性差的缺点，其制作的电缆有时在高温、发热、放电等条件下，很容易燃烧而引起火灾。因此，聚乙烯阻燃问题逐渐被重视。近年来，环保呼声日益增高，使用阻燃剂在获得综合性能优良的聚乙烯材料的同时，也要充分考虑到对环境的影响。
发明内容
本发明的目的在于提供一种无卤硅系阻燃、低烟、无毒、热值低和具有良好加工性能、机械性能、耐热性能的阻燃改性聚乙烯材料及其制备方法。
本发明解决其技术问题所采用的技术方案是：一种阻燃改性聚乙烯材料，其组分按质量百分数配比为：聚乙烯45%～70%、硅系阻燃剂12%～25%、阻燃协同剂3%～8%、碳酸钙15%～30%、分散剂0.5%～2%、偶联剂0.1%～1%、抗氧剂0.1%～1%。
所述的硅系阻燃剂为聚硅氧烷阻燃剂、聚硅硼烷阻燃剂、硅磷酸酯阻燃剂中的一种。
所述的阻燃协同剂为纳米氢氧化铝、硼酸锌、聚磷酸铵（PPA）与季戊四醇混合物、硬脂酸镁中的一种。
所述的分散剂为聚乙烯蜡。
所述的偶联剂为硅烷偶联剂或铝钛复合偶联剂。
所述的抗氧剂为受阻酚抗氧剂1010与亚磷酸酯类抗氧剂168的复配物。
上述的一种阻燃改性聚乙烯材料的制备方法，包括以下步骤：
（1）按重量配比称取碳酸钙和偶联剂，加入高速混合器中混合均匀，温度为80℃～100℃，混合时间为10～30分钟，得到表面处理好的碳酸钙，然后加入按重量配比称取的聚乙烯、硅系阻燃剂、阻燃协同剂、分散剂和抗氧剂，继续混合5～20分钟；
（2）再将上述混合好的物料加入双螺杆挤出机进行熔融混炼5～30分钟，温度控制在150℃～200℃，然后挤出、冷却、造粒、干燥，即得本发明的一种阻燃改性聚乙烯材料。
本发明的有益效果是，与现有技术相比，本发明采用添加硅系阻燃剂共混制得的一种阻燃改性聚乙烯材料，不仅具有优异的阻燃性（氧指数为32以上），达到UL94-0阻燃级标准，而且低烟，无毒，防熔滴，环境友好，循环使用效果较好，可满足人们对阻燃的严格要求，同时还能改善材料的加工性能、机械性能、耐热性能等，具有很好的发展潜力和应用前景。
具体实施方式
下面结合具体实施例来进一步说明本发明的技术方案。
实施例1：
一种阻燃改性聚乙烯材料，其组分按质量百分数配比为：聚乙烯55%、聚硅氧烷阻燃剂18%、纳米氢氧化铝5%、碳酸钙20%、聚乙烯蜡1%、硅烷偶联剂0.4%、受阻酚抗氧剂1010与亚磷酸酯类抗氧剂168的复配物0.6%。
制备方法：（1）按重量配比称取碳酸钙和硅烷偶联剂，加入高速混合器中混合均匀，温度为80℃～100℃，混合时间为10～30分钟，得到表面处理好的碳酸钙，然后加入按重量配比称取的聚乙烯、聚硅氧烷阻燃剂、纳米氢氧化铝、聚乙烯蜡和受阻酚抗氧剂1010与亚磷酸酯类抗氧剂168的复配物，继续混合5～20分钟；（2）再将上述混合好的物料加入双螺杆挤出机进行熔融混炼5～30分钟，温度控制在150℃～200℃，然后挤出、冷却、造粒、干燥，即得本发明的一种阻燃改性聚乙烯材料。
实施例2：
一种阻燃改性聚乙烯材料，其组分按质量百分数配比为：聚乙烯45%、聚硅硼烷阻燃剂24%、硼酸锌8%、碳酸钙20%、聚乙烯蜡1.5%、铝钛复合偶联剂0.6%、受阻酚抗氧剂1010与亚磷酸酯类抗氧剂168的复配物0.9%。
制备方法：（1）按重量配比称取碳酸钙和铝钛复合偶联剂，加入高速混合器中混合均匀，温度为80℃～100℃，混合时间为10～30分钟，得到表面处理好的碳酸钙，然后加入按重量配比称取的聚乙烯、聚硅硼烷阻燃剂、硼酸锌、聚乙烯蜡和受阻酚抗氧剂1010与亚磷酸酯类抗氧剂168的复配物，继续混合5～20分钟；（2）再将上述混合好的物料加入双螺杆挤出机进行熔融混炼5～30分钟，温度控制在150℃～200℃，然后挤出、冷却、造粒、干燥，即得本发明的一种阻燃改性聚乙烯材料。
实施例3：
一种阻燃改性聚乙烯材料，其组分按质量百分数配比为：聚乙烯64%、硅磷酸酯阻燃剂12%、聚磷酸铵（PPA）与季戊四醇混合物3%、碳酸钙20%、聚乙烯蜡0.5%、硅烷偶联剂0.2%、受阻酚抗氧剂1010与亚磷酸酯类抗氧剂168的复配物0.3%。
制备方法：（1）按重量配比称取碳酸钙和硅烷偶联剂，加入高速混合器中混合均匀，温度为80℃～100℃，混合时间为10～30分钟，得到表面处理好的碳酸钙，然后加入按重量配比称取的聚乙烯、硅磷酸酯阻燃剂、聚磷酸铵（PPA）与季戊四醇混合物、聚乙烯蜡和受阻酚抗氧剂1010与亚磷酸酯类抗氧剂168的复配物，继续混合5～20分钟；（2）再将上述混合好的物料加入双螺杆挤出机进行熔融混炼5～30分钟，温度控制在150℃～200℃，然后挤出、冷却、造粒、干燥，即得本发明的一种阻燃改性聚乙烯材料。

Claims (7)

1.一种阻燃改性聚乙烯材料，其特征在于，其组分按质量百分数配比为：聚乙烯45%～70%、硅系阻燃剂12%～25%、阻燃协同剂3%～8%、碳酸钙15%～30%、分散剂0.5%～2%、偶联剂0.1%～1%、抗氧剂0.1%～1%。
2.根据权利要求1所述的一种阻燃改性聚乙烯材料，其特征在于，所述的硅系阻燃剂为聚硅氧烷阻燃剂、聚硅硼烷阻燃剂、硅磷酸酯阻燃剂中的一种。
3.根据权利要求1所述的一种阻燃改性聚乙烯材料，其特征在于，所述的阻燃协同剂为纳米氢氧化铝、硼酸锌、聚磷酸铵（PPA）与季戊四醇混合物、硬脂酸镁中的一种。
4.根据权利要求1所述的一种阻燃改性聚乙烯材料，其特征在于，所述的分散剂为聚乙烯蜡。
5.根据权利要求1所述的一种阻燃改性聚乙烯材料，其特征在于，所述的偶联剂为硅烷偶联剂或铝钛复合偶联剂。
6.根据权利要求1所述的一种阻燃改性聚乙烯材料，其特征在于，所述的抗氧剂为受阻酚抗氧剂1010与亚磷酸酯类抗氧剂168的复配物。
7.根据权利要求1所述的一种阻燃改性聚乙烯材料的制备方法，其特征在于，包括以下步骤：
（1）按重量配比称取碳酸钙和偶联剂，加入高速混合器中混合均匀，温度为80℃～100℃，混合时间为10～30分钟，得到表面处理好的碳酸钙，然后加入按重量配比称取的聚乙烯、硅系阻燃剂、阻燃协同剂、分散剂和抗氧剂，继续混合5～20分钟；
（2）再将上述混合好的物料加入双螺杆挤出机进行熔融混炼5～30分钟，温度控制在150℃～200℃，然后挤出、冷却、造粒、干燥，即得本发明的一种阻燃改性聚乙烯材料。
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WO2015197984A1 (fr) * 2014-06-26 2015-12-30 Saint-Gobain Placo Composition pour joints
CN108164781A (zh) * 2016-12-07 2018-06-15 上海凯波特种电缆料厂有限公司 一种布电线用无卤低烟阻燃聚乙烯电缆料及其制备方法
CN113912919A (zh) * 2021-08-20 2022-01-11 江苏上上电缆集团新材料有限公司 一种环保型抗开裂硅系阻燃聚乙烯电缆料及其制备方法
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WO2015197984A1 (fr) * 2014-06-26 2015-12-30 Saint-Gobain Placo Composition pour joints
FR3022905A1 (fr) * 2014-06-26 2016-01-01 Saint Gobain Placo Composition pour joints
US10131581B2 (en) 2014-06-26 2018-11-20 Saint-Gobain Placo Composition for joints
CN105001577A (zh) * 2015-07-21 2015-10-28 江苏经纬技术创新咨询有限公司 一种保温隔热阻燃材料及其制备方法
CN108164781A (zh) * 2016-12-07 2018-06-15 上海凯波特种电缆料厂有限公司 一种布电线用无卤低烟阻燃聚乙烯电缆料及其制备方法
CN108164781B (zh) * 2016-12-07 2020-06-16 上海凯波特种电缆料厂有限公司 一种布电线用无卤低烟阻燃聚乙烯电缆料及其制备方法
CN113912919A (zh) * 2021-08-20 2022-01-11 江苏上上电缆集团新材料有限公司 一种环保型抗开裂硅系阻燃聚乙烯电缆料及其制备方法
CN114456460A (zh) * 2022-02-12 2022-05-10 东莞市毅锦实业有限公司 一种食品级抗菌阻燃tpe材料的制备方法

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