CN109320813A - 一种陶瓷化低烟无卤聚烯烃颗粒及其制备方法 - Google Patents
一种陶瓷化低烟无卤聚烯烃颗粒及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种陶瓷化低烟无卤聚烯烃颗粒及其制备方法。以质量份计,其原料包括:高软化点玻璃粉5~10份、低软化点玻璃粉5~10份、有机蒙脱土3~5份、聚烯烃70~90份、改性聚吡咙5~10份和聚苯并咪唑5~10份;所述的高软化点玻璃粉的软化温度为600‑800℃;所述的低软化点玻璃粉的软化温度为500‑600℃。本发明提供的陶瓷化低烟无卤聚烯烃颗粒阻燃性、耐火性、绝缘性、耐高低温性能、可加工性能以及环保性能俱佳。
Description
技术领域
本发明涉及一种陶瓷化低烟无卤聚烯烃颗粒及其制备方法。
背景技术
聚烯烃是烯烃的聚合物,即由乙烯、丙烯、1-丁烯、1-戊烯、1-己烯、1-辛烯、4-甲基-1-戊烯等α-烯烃以及某些环烯烃单独聚合或共聚合而得到的一类热塑性树脂的总称。聚烯烃具有相对密度小、耐化学药品性、耐水性好;良好的机械强度、电绝缘性等特点。可用于薄膜、管材、板材、各种成型制品、电线电缆等。在农业、包装、电子、电气、汽车、机械、日用杂品等方面有广泛的用途。
但是现有的聚烯烃都存在阻燃性能、耐火性能不佳的缺陷,这在一定程度上使聚烯烃的用途受限。
发明内容
本发明所要解决的技术问题在于现有的聚烯烃都存在阻燃性能、耐火性能不佳的缺陷,而提供了一种陶瓷化低烟无卤聚烯烃颗粒及其制备方法。本发明提供的陶瓷化低烟无卤聚烯烃颗粒阻燃性、耐火性、绝缘性、耐高低温性能、可加工性能以及环保性能俱佳。
本发明提供了一种陶瓷化低烟无卤聚烯烃颗粒,其特点在于,以质量份计,其原料包括:高软化点玻璃粉5~10份、低软化点玻璃粉5~10份、有机蒙脱土3~5份、聚烯烃70~90份、改性聚吡咙5~10份和聚苯并咪唑5~10份;所述的高软化点玻璃粉的软化温度为600-800℃;所述的低软化点玻璃粉的软化温度为500-600℃。
本发明中,所述的陶瓷化低烟无卤聚烯烃颗粒较佳地由以下原料制成:高软化点玻璃粉8份、低软化点玻璃粉8份、有机蒙脱土4份、聚烯烃80份、改性聚吡咙8份和聚苯并咪唑8份。
其中,所述的高软化点玻璃粉较佳地为硅酸盐玻璃粉、硼酸盐玻璃粉、磷酸盐玻璃粉、氧化钙玻璃粉和氧化铋玻璃粉中的一种或多种。
其中,所述的低软化点玻璃粉较佳地为硅酸盐玻璃粉、硼酸盐玻璃粉、磷酸盐玻璃粉、氧化钙玻璃粉和氧化铋玻璃粉中的一种或多种。
其中,所述的有机蒙脱土为本领域常规物质,是由蒙脱石与插层剂通过阳离子交换制得的。所述的有机蒙脱土较佳地为层间距为0.9~1.2nm、阳离子交换能力为60~110meq/100g的层状硅酸盐。
其中,所述的聚烯烃为本领域常规物质,较佳地为聚乙烯和/或聚丙烯。所述的聚乙烯的分子量较佳地为40000~300000,所述的聚丙烯的分子量较佳地为100000~500000。
其中,所述的改性聚吡咙为本领域常规物质,较佳地为硅烷改性聚吡咙,其分子量为100000~500000。
其中,所述的聚苯并咪唑为本领域常规物质,较佳地为超支化聚苯并咪唑,其分子量为100000~500000。
本发明还提供了一种上述陶瓷化低烟无卤聚烯烃颗粒的制备方法,其包括如下步骤:
(1)将所有原料依次溶解于溶剂中,形成聚烯烃溶液;
(2)在表面活性剂作用下,将聚烯烃溶液分散于一种非溶剂中,形成多相体系;
(3)在搅拌下,使多相体系冷却,形成聚烯烃颗粒;
(4)分离,干燥,即可。
步骤(1)中,所述的溶剂较佳地为环烷烃,更佳地为环己烷。
步骤(2)中,所述的表面活性剂较佳地为乙氧基化脂肪胺。
步骤(2)中,所述的非溶剂较佳地为异丙醇。
在符合本领域常识的基础上,上述各优选条件,可任意组合,即得本发明各较佳实例。
本发明所用试剂和原料均市售可得。
本发明的积极进步效果在于:本发明提供的陶瓷化低烟无卤聚烯烃颗粒的阻燃性、耐火性、绝缘性、耐高低温性能、可加工性能以及环保性能俱佳。
具体实施方式
下面通过实施例的方式进一步说明本发明,但并不因此将本发明限制在所述的实施例范围之中。下列实施例中未注明具体条件的实验方法,按照常规方法和条件,或按照商品说明书选择。
实施例1
本实施例提供的陶瓷化低烟无卤聚烯烃颗粒的原料包括:高软化点玻璃粉8份、低软化点玻璃粉8份、有机蒙脱土4份、聚烯烃80份、改性聚吡咙8份和聚苯并咪唑8份;所述的高软化点玻璃粉的软化温度为700℃;所述的低软化点玻璃粉的软化温度为550℃。
其中,所述的高软化点玻璃粉为硅酸钠玻璃粉。
其中,所述的低软化点玻璃粉为硼酸钠玻璃粉。
其中,所述的聚烯烃为聚乙烯,聚乙烯的分子量为40000~300000。
其中,所述的改性聚吡咙为硅烷改性聚吡咙,其分子量为100000~500000。
其中,所述的聚苯并咪唑为超支化聚苯并咪唑,其分子量为100000~500000。
本实施例中,陶瓷化低烟无卤聚烯烃颗粒的制备方法,包括如下步骤:
(1)将所有原料依次溶解于环己烷中,形成聚烯烃溶液;
(2)在乙氧基化脂肪胺作用下,将聚烯烃溶液分散于异丙醇中,形成多相体系;
(3)在搅拌下,使多相体系冷却,形成聚烯烃颗粒;
(4)分离,干燥,即可。
效果实施例1
对实施例1得到的陶瓷化低烟无卤聚烯烃颗粒进行检测,结果表明,其氧指数为36%,平均烟密度为190Dm,拉伸强度为10Mpa,磨损率为l82mm3,同时不含Pb、Cd、Hg等重金属及卤化氢气体。说明本发明提供的陶瓷化低烟无卤聚烯烃颗粒的阻燃性、耐火性、绝缘性、耐高低温性能、可加工性能以及环保性能俱佳。
Claims (10)
1.一种陶瓷化低烟无卤聚烯烃颗粒,其特征在于,以质量份计,其原料包括:高软化点玻璃粉5~10份、低软化点玻璃粉5~10份、有机蒙脱土3~5份、聚烯烃70~90份、改性聚吡咙5~10份和聚苯并咪唑5~10份;所述的高软化点玻璃粉的软化温度为600-800℃;所述的低软化点玻璃粉的软化温度为500-600℃。
2.如权利要求1所述的陶瓷化低烟无卤聚烯烃颗粒,其特征在于,其由以下原料制成:高软化点玻璃粉8份、低软化点玻璃粉8份、有机蒙脱土4份、聚烯烃80份、改性聚吡咙8份和聚苯并咪唑8份。
3.如权利要求1或2所述的陶瓷化低烟无卤聚烯烃颗粒,其特征在于,所述的高软化点玻璃粉为硅酸盐玻璃粉、硼酸盐玻璃粉、磷酸盐玻璃粉、氧化钙玻璃粉和氧化铋玻璃粉中的一种或多种。
4.如权利要求1或2所述的陶瓷化低烟无卤聚烯烃颗粒,其特征在于,所述的低软化点玻璃粉为硅酸盐玻璃粉、硼酸盐玻璃粉、磷酸盐玻璃粉、氧化钙玻璃粉和氧化铋玻璃粉中的一种或多种。
5.如权利要求1或2所述的陶瓷化低烟无卤聚烯烃颗粒,其特征在于,所述的有机蒙脱土为层间距为0.9~1.2nm、阳离子交换能力为60~110meq/100g的层状硅酸盐;所述的聚烯烃为聚乙烯和/或聚丙烯,所述的聚乙烯的分子量为40000~300000,所述的聚丙烯的分子量为100000~500000。
6.如权利要求1或2所述的陶瓷化低烟无卤聚烯烃颗粒,其特征在于,所述的改性聚吡咙为硅烷改性聚吡咙,其分子量为100000~500000。
7.如权利要求1或2所述的陶瓷化低烟无卤聚烯烃颗粒,其特征在于,所述的聚苯并咪唑为超支化聚苯并咪唑,其分子量为100000~500000。
8.一种如权利要求1~7任一项所述的陶瓷化低烟无卤聚烯烃颗粒的制备方法,其特征在于,其包括如下步骤:
(1)将原料依次溶解于溶剂中,形成聚烯烃溶液;
(2)在表面活性剂作用下,将聚烯烃溶液分散于非溶剂中,形成多相体系;
(3)在搅拌下,使多相体系冷却,形成聚烯烃颗粒;
(4)分离,干燥,即可。
9.如权利要求8所述的制备方法,其特征在于,步骤(1)中,所述的溶剂为环烷烃;步骤(2)中,所述的表面活性剂为乙氧基化脂肪胺,所述的非溶剂为异丙醇。
10.如权利要求9所述的制备方法,其特征在于,所述的溶剂为环己烷。
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