CN111635573A - 一种低烟无卤三元乙丙橡胶绝缘胶料及其制备方法 - Google Patents
一种低烟无卤三元乙丙橡胶绝缘胶料及其制备方法 Download PDFInfo
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Abstract
本发明提供一种低烟无卤三元乙丙橡胶绝缘胶料,其包括在配方中加入阻燃剂和低烟组分,各组分用量单位,其含量如下:三元乙丙橡胶5‑8份,复合性弹性体10‑15份;复合阻燃剂5‑15份;氢氧化铝10‑20份;氢氧化镁10‑20份;硫化体系2‑5份;硬脂酸5‑10份;偶联剂3‑5份;促进剂10‑15份。本发明提供的低烟无卤三元乙丙橡胶绝缘胶料中添加复合阻燃剂,用于电缆时,阻燃性能好,防老化,无烟且燃烧时无有毒害气体产生是一种绿色环保的产品。
Description
技术领域
本发明涉及一种低烟无卤三元乙丙橡胶绝缘胶料,特别涉及一种低烟无卤三元乙丙橡胶绝缘胶料及其制备方法,属于橡胶材料领域。
背景技术
现有技术中,阻燃电缆在阻止火灾蔓延方面取得了重大进展,但是传统的阻燃电缆主要是采用阻燃聚氯乙烯、氯丁橡胶、氯磺化聚乙烯等含卤素材料作为电缆的护层来达到抑制火焰蔓延的目的。但是这些阻燃电缆在燃烧中会释放出大量的腐蚀性气体和浓烟,烟雾阻挡视线,给火灾现场逃生带来困难;毒性气体使人窒息,危及人的生命安全。这种潜在的“二次灾害”的危险性较直接燃烧的危险性更大。随着技术的进步,一些空间密闭、人员密集的场所如地铁、高层建筑以及舰船、核电站等重要设施对安全性和可靠性的要求越来越高,因此,迫切需要开发具有低烟、无卤、阻燃性能的新一代电缆。
发明内容
本发明的目的在于提供一种低烟无卤三元乙丙橡胶绝缘胶料及其制备方法,以克服现有技术中的不足。
为实现前述发明目的,本发明采用的技术方案包括:
本发明实施例中提供一种低烟无卤三元乙丙橡胶绝缘胶料,其包括在配方中加入阻燃剂和低烟组分,各组分用量单位,其含量如下:三元乙丙橡胶5-8份,复合性弹性体10-15份;复合阻燃剂5-15份;氢氧化铝10-20份;氢氧化镁10-20份;硫化体系2-5份;硬脂酸5-10份;偶联剂3-5份;促进剂10-15份。
进一步的,所述复合阻燃剂包括磷-氮系阻燃剂,所述磷-氮系阻燃剂中磷元素和氮元素的质量比为1-2:3-5。
较为优选的,所述复合性弹性体中包括聚乙烯、聚丙烯和聚烯烃弹性体中的任意一种或两种以上的组合,但不限于此。
进一步的,所述氢氧化铝和氢氧化镁的质量比为2-3:3-5。
本发明实施例中还提供一种低烟无卤三元乙丙橡胶绝缘胶料的制备方法,其包括以下步骤:将三元乙丙橡胶、复合性弹性体、复合阻燃剂、氢氧化铝、氢氧化镁、硫化体系、硬脂酸、偶联剂和促进剂混炼均匀后排胶,放置于温度为20-25℃条件下排胶8-10h,之后投入密练机并通入冷凝水在温度为50-60℃条件下练胶2-5mins,制得所述低烟无卤三元乙丙橡胶绝缘胶料。
进一步的,所述复合阻燃剂包括磷-氮系阻燃剂,所述磷-氮系阻燃剂中磷元素和氮元素的质量比为1-2:3-5。
较为优选的,所述复合性弹性体中包括聚乙烯、聚丙烯和聚烯烃弹性体中的任意一种或两种以上的组合,但不限于此。
进一步的,所述氢氧化铝和氢氧化镁的质量比为2-3:3-5。
本发明实施例中所述的低烟无卤三元乙丙橡胶绝缘胶料于网线外胶皮中的应用。
与现有技术相比,本发明的优点包括:本发明提供的低烟无卤三元乙丙橡胶绝缘胶料中添加复合阻燃剂,用于电缆时,阻燃性能好,防老化,无烟且燃烧时无有毒害气体产生是一种绿色环保的产品。
具体实施方式
鉴于现有技术中的不足,本案发明人经长期研究和大量实践,得以提出本发明的技术方案。如下将对该技术方案、其实施过程及原理等作进一步的解释说明。
本发明实施例中提供一种低烟无卤三元乙丙橡胶绝缘胶料,其包括在配方中加入阻燃剂和低烟组分,各组分用量单位,其含量如下:三元乙丙橡胶5-8份,复合性弹性体10-15份;复合阻燃剂5-15份;氢氧化铝10-20份;氢氧化镁10-20份;硫化体系2-5份;硬脂酸5-10份;偶联剂3-5份;促进剂10-15份。
进一步的,所述复合阻燃剂包括磷-氮系阻燃剂,所述磷-氮系阻燃剂中磷元素和氮元素的质量比为1-2:3-5。
较为优选的,所述复合性弹性体中包括聚乙烯、聚丙烯和聚烯烃弹性体中的任意一种或两种以上的组合,但不限于此。
进一步的,所述氢氧化铝和氢氧化镁的质量比为2-3:3-5。
本发明实施例中还提供一种低烟无卤三元乙丙橡胶绝缘胶料的制备方法,其包括以下步骤:将三元乙丙橡胶、复合性弹性体、复合阻燃剂、氢氧化铝、氢氧化镁、硫化体系、硬脂酸、偶联剂和促进剂混炼均匀后排胶,放置于温度为20-25℃条件下排胶8-10h,之后投入密练机并通入冷凝水在温度为50-60℃条件下练胶2-5mins,制得所述低烟无卤三元乙丙橡胶绝缘胶料。
进一步的,所述复合阻燃剂包括磷-氮系阻燃剂,所述磷-氮系阻燃剂中磷元素和氮元素的质量比为1-2:3-5。
较为优选的,所述复合性弹性体中包括聚乙烯、聚丙烯和聚烯烃弹性体中的任意一种或两种以上的组合,但不限于此。
进一步的,所述氢氧化铝和氢氧化镁的质量比为2-3:3-5。
本发明实施例中所述的低烟无卤三元乙丙橡胶绝缘胶料于网线外胶皮中的应用。
本发明提供的低烟无卤三元乙丙橡胶绝缘胶料中添加复合阻燃剂,用于电缆时,阻燃性能好,防老化,无烟且燃烧时无有毒害气体产生是一种绿色环保的产品。
以下结合若干实施例对本发明的技术方案作进一步的解释说明。
实施例1
按如下组分各量混合三元乙丙橡胶5-8份、复合性弹性体10-15份、复合阻燃剂5-15份、氢氧化铝10-20份、氢氧化镁10-20份、硫化体系2-5份、硬脂酸5-10份、偶联剂3-5份以及促进剂10-15份。
将三元乙丙橡胶6份、复合性弹性体10份、复合阻燃剂10份、氢氧化铝10份、氢氧化镁10份、硫化体系4份、硬脂酸10份、偶联剂5份、促进剂15份,剩余为有机溶剂混炼均匀后排胶,放置于温度为25℃条件下排胶10h,之后投入密练机并通入冷凝水在温度为60℃条件下练胶5mins,制得所述低烟无卤三元乙丙橡胶绝缘胶料。
实施例2
按如下组分各量混合三元乙丙橡胶5-8份、复合性弹性体10-15份、复合阻燃剂5-15份、氢氧化铝10-20份、氢氧化镁10-20份、硫化体系2-5份、硬脂酸5-10份、偶联剂3-5份以及促进剂10-15份。
将三元乙丙橡胶5份、复合性弹性体15份、复合阻燃剂15份、氢氧化铝20份、氢氧化镁10份、硫化体系4份、硬脂酸10份、偶联剂5份、促进剂15份,剩余为有机溶剂混炼均匀后排胶,放置于温度为25℃条件下排胶10h,之后投入密练机并通入冷凝水在温度为50℃条件下练胶5mins,制得所述低烟无卤三元乙丙橡胶绝缘胶料。
实施例3
按如下组分各量混合三元乙丙橡胶5-8份、复合性弹性体10-15份、复合阻燃剂5-15份、氢氧化铝10-20份、氢氧化镁10-20份、硫化体系2-5份、硬脂酸5-10份、偶联剂3-5份以及促进剂10-15份。
将三元乙丙橡胶5份、复合性弹性体15份、复合阻燃剂15份、氢氧化铝20份、氢氧化镁10份、硫化体系10份、硬脂酸20份、偶联剂2份、促进剂15份,剩余为有机溶剂混炼均匀后排胶,放置于温度为25℃条件下排胶10h,之后投入密练机并通入冷凝水在温度为60℃条件下练胶5mins,制得所述低烟无卤三元乙丙橡胶绝缘胶料。
按照国家防火标准测试上述实施例1、实施例2和实施例3制得的低烟无卤三元乙丙橡胶绝缘胶料,结果如下:
测试项目 | 密度 | 氧指数 | 烟密度 | 吸水率 |
实施例1 | 40 | 35 | 40 | 2% |
实施例2 | 41 | 34 | 41 | 1% |
实施例3 | 42 | 33 | 42 | 3% |
上述测试结果表明,本发明上述的低烟无卤三元乙丙橡胶绝缘胶料阻燃性能好,防老化,无烟且燃烧时无有毒害气体产生是一种绿色环保的产品。
应当理解,上述实施例仅为说明本发明的技术构思及特点,其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施,并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰,都应涵盖在本发明的保护范围之内。
Claims (9)
1.一种低烟无卤三元乙丙橡胶绝缘胶料,其特征在于:包括在配方中加入阻燃剂和低烟组分,各组分用量单位,其含量如下:三元乙丙橡胶5-8份,复合性弹性体10-15份;复合阻燃剂5-15份;氢氧化铝10-20份;氢氧化镁10-20份;硫化体系2-5份;硬脂酸5-10份;偶联剂3-5份;促进剂10-15份。
2.根据权利要求1所述的低烟无卤三元乙丙橡胶绝缘胶料,其特征在于:所述复合阻燃剂包括磷-氮系阻燃剂,所述磷-氮系阻燃剂中磷元素和氮元素的质量比为1-2:3-5。
3.根据权利要求1所述的低烟无卤三元乙丙橡胶绝缘胶料,其特征在于:所述复合性弹性体中包括聚乙烯、聚丙烯和聚烯烃弹性体中的任意一种或两种以上的组合。
4.根据权利要求1所述的低烟无卤三元乙丙橡胶绝缘胶料,其特征在于:所述氢氧化铝和氢氧化镁的质量比为2-3:3-5。
5.一种制备权利要求1-4中任一项所述的低烟无卤三元乙丙橡胶绝缘胶料的方法,其特征在于包括以下步骤:将三元乙丙橡胶、复合性弹性体、复合阻燃剂、氢氧化铝、氢氧化镁、硫化体系、硬脂酸、偶联剂和促进剂混炼均匀后排胶,放置于温度为20-25℃条件下排胶8-10h,之后投入密练机并通入冷凝水在温度为50-60℃条件下练胶2-5mins,制得所述低烟无卤三元乙丙橡胶绝缘胶料。
6.根据权利要求5所述的低烟无卤三元乙丙橡胶绝缘胶料的制备方法,其特征在于:所述复合阻燃剂包括磷-氮系阻燃剂,所述磷-氮系阻燃剂中磷元素和氮元素的质量比为1-2:3-5。
7.根据权利要求5所述的低烟无卤三元乙丙橡胶绝缘胶料的制备方法,其特征在于:所述复合性弹性体中包括聚乙烯、聚丙烯和聚烯烃弹性体中的任意一种或两种以上的组合。
8.根据权利要求5所述的低烟无卤三元乙丙橡胶绝缘胶料的制备方法,其特征在于:所述氢氧化铝和氢氧化镁的质量比为2-3:3-5。
9.权利要求1-4或权利要求5-8中任一项所述的低烟无卤三元乙丙橡胶绝缘胶料于网线外胶皮中的应用。
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