CN104119597A - 一种汽车线束聚乙烯护套材料用改性硅灰石及其制备方法 - Google Patents

一种汽车线束聚乙烯护套材料用改性硅灰石及其制备方法 Download PDF

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CN104119597A
CN104119597A CN201410315175.1A CN201410315175A CN104119597A CN 104119597 A CN104119597 A CN 104119597A CN 201410315175 A CN201410315175 A CN 201410315175A CN 104119597 A CN104119597 A CN 104119597A
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stir
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朱节霞
杨月琴
杨晓伟
郑海波
武子静
万丽丽
沈先明
牛保
余海飞
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Hefei Hean Machinery Manufacturing Co Ltd
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Abstract

本发明公开了一种汽车线束聚乙烯护套材料用改性硅灰石及其制备方法，其由以下重量份的原料制成：硅灰石70-90、煤沥青15-20、双异丁烯5-10、聚己二酸丙二醇酯10-15、辛基十二醇蜂蜡酸酯2-3、乙氧基氨丙基聚二甲基硅氧烷3-4、马来酸二丁酯5-10、十一烯酸锌1-2、2-己基癸酸季戊四醇酯3-5、钠硼解石10-15、高炉矿渣9-16、三壬基苯基亚磷酸酯2-4、低分子量聚丙烯3-6、乙酰丙酮钙2-3、N,N'-二仲丁基对苯二胺1-2、α-硫辛酸0.5-1、苯骈三氮唑1-2、助剂2.5-4.5。本发明改性硅灰石可以改进与聚乙烯的相容性，增强填充效果，不仅可使制品的成本下降，还能改善制品的综合性能，填充到聚乙烯中，其拉伸强度、断裂伸长率、弯曲强度和弯曲模量均大幅度提高，且具有优异的耐磨性、耐腐蚀性和耐热性。

Description

一种汽车线束聚乙烯护套材料用改性硅灰石及其制备方法
技术领域
本发明涉及一种汽车线束聚乙烯护套材料用改性硅灰石及其制备方法，属于无机填料技术领域。
背景技术
硅灰石是一种新型工业填料，因其无毒、耐化学腐蚀、热稳定性及尺寸稳定性良好、力学性能及电性能优良以及具有补强作用等优点，广泛用作高聚基复合材料的增强填料。随着复合材料工业的迅速发展，人们在向聚乙烯护套材料中添加硅灰石的同时，要使制品的各项物理机械性能等得以保证，为了满足这些要求，需对硅灰石进行改性，以提高其综合性能。
发明内容
本发明的目的在于提供一种汽车线束聚乙烯护套材料用改性硅灰石及其制备方法，降低制品成本，改善制品的综合性能。
为实现上述目的，本发明采用的技术方案如下：
一种汽车线束聚乙烯护套材料用改性硅灰石，由以下重量份的原料制成：硅灰石70-90、煤沥青15-20、双异丁烯5-10、聚己二酸丙二醇酯10-15、辛基十二醇蜂蜡酸酯2-3、乙氧基氨丙基聚二甲基硅氧烷3-4、马来酸二丁酯5-10、十一烯酸锌1-2、2-己基癸酸季戊四醇酯3-5、钠硼解石10-15、高炉矿渣9-16、三壬基苯基亚磷酸酯2-4、低分子量聚丙烯3-6、乙酰丙酮钙2-3、N,N'-二仲丁基对苯二胺1-2、α-硫辛酸0.5-1、苯骈三氮唑1-2、助剂2.5-4.5；
所述助剂的制备方法如下：a、取以下重量份的原料:片钠铝石10-15、偏硼酸钡5-10、肌醇六磷酸酯1-2、十二硫醇二丁基锡2-3、碱式碳酸铋3-5、异十三醇肉豆蔻酸酯2.5-4.5、苯磺酰三羟甲基甲胺1.5-2.5、8-羟基喹啉铜0.5-1、间苯二酚单苯甲酸酯4-6、茶多酚2-3、七水硫酸镁6-9、山梨醇酐单棕榈酸酯1-2；b、将片钠铝石、偏硼酸钡、碱式碳酸铋混合均匀，粉碎，过150-200目筛，然后加入肌醇六磷酸酯、十二硫醇二丁基锡、8-羟基喹啉铜、异十三醇肉豆蔻酸酯，搅拌5-10min，然后加入余下原料，继续搅拌4-6min，烘干即得所述助剂。
本发明的汽车线束聚乙烯护套材料用改性硅灰石的制备方法，包括以下步骤：首先将硅灰石、钠硼解石、高炉矿渣混合均匀，650-750℃煅烧2-3h，冷却至室温，粉碎，过400-600目筛后投入高速搅拌机内，于150-200℃下搅拌10-15min，使得物料含水量小于0.5％；然后将物料装入冷混机中搅拌降温，待物料温度降至80-90℃时，加入马来酸二丁酯、十一烯酸锌、辛基十二醇蜂蜡酸酯、乙氧基氨丙基聚二甲基硅氧烷和2-己基癸酸季戊四醇酯，继续搅拌4-6min，待机内物料温度降至40℃以下时，出料，烘干；最后将烘干后的物料与余下原料混合均匀，高速分散6-9min，烘干，研细，包装即可。
本发明的有益效果：
本发明改性硅灰石可以改进与聚乙烯的相容性，增强填充效果，不仅可使制品的成本下降，还能改善制品的综合性能，填充到聚乙烯中，其拉伸强度、断裂伸长率、弯曲强度和弯曲模量均大幅度提高，且具有优异的耐磨性、耐腐蚀性和耐热性。
具体实施方式
一种汽车线束聚乙烯护套材料用改性硅灰石，由以下重量(kg)的原料制成：硅灰石80、煤沥青18、双异丁烯7、聚己二酸丙二醇酯12、辛基十二醇蜂蜡酸酯2.5、乙氧基氨丙基聚二甲基硅氧烷3、马来酸二丁酯8、十一烯酸锌1.5、2-己基癸酸季戊四醇酯4、钠硼解石12、高炉矿渣14、三壬基苯基亚磷酸酯3、低分子量聚丙烯5、乙酰丙酮钙2.5、N,N'-二仲丁基对苯二胺1.5、α-硫辛酸0.5、苯骈三氮唑1.5、助剂3.5；
所述助剂的制备方法如下：a、取以下重量(kg)的原料:片钠铝石12、偏硼酸钡8、肌醇六磷酸酯1.5、十二硫醇二丁基锡3、碱式碳酸铋4、异十三醇肉豆蔻酸酯3.5、苯磺酰三羟甲基甲胺2、8-羟基喹啉铜0.5、间苯二酚单苯甲酸酯5、茶多酚2、七水硫酸镁7、山梨醇酐单棕榈酸酯1.5；b、将片钠铝石、偏硼酸钡、碱式碳酸铋混合均匀，粉碎，过150目筛，然后加入肌醇六磷酸酯、十二硫醇二丁基锡、8-羟基喹啉铜、异十三醇肉豆蔻酸酯，搅拌8min，然后加入余下原料，继续搅拌5min，烘干即得所述助剂。
汽车线束聚乙烯护套材料用改性硅灰石的制备方法，包括以下步骤：首先将硅灰石、钠硼解石、高炉矿渣混合均匀，720℃煅烧2h，冷却至室温，粉碎，过500目筛后投入高速搅拌机内，于180℃下搅拌10min，使得物料含水量小于0.5％；然后将物料装入冷混机中搅拌降温，待物料温度降至85℃时，加入马来酸二丁酯、十一烯酸锌、辛基十二醇蜂蜡酸酯、乙氧基氨丙基聚二甲基硅氧烷和2-己基癸酸季戊四醇酯，继续搅拌5min，待机内物料温度降至40℃以下时，出料，烘干；最后将烘干后的物料与余下原料混合均匀，高速分散7min，烘干，研细，包装即可。
上述实施例制得的改性硅灰石用于填充汽车线束聚乙烯护套材料的性能测试结果如下表所示：
表1填充改性硅灰石的聚乙烯护套材料的性能测试结果
项目 普通硅灰石 本发明改性后的硅灰石
拉伸强度(MPa) 22.3 29.7
断裂伸长率(％) 254 296
热变形(％) 25 18
冲击脆化温度(℃) -25 -35
200℃稳定时间(min) 100 120
20℃体积电阻率(W·m) 5.2×1012 6.6×1012
介电强度(mV/m) 25 30
70℃体积电阻率(W·m) 6.4×109 7.9×109
热老化后拉伸强度变化率(％) -7.8 -5.9
热老化后断裂伸长率变化率(％) -6.6 -4.8
热老化质量损失(g/m2) 16.9 11.5

Claims (2)

1.一种汽车线束聚乙烯护套材料用改性硅灰石，其特征在于，由以下重量份的原料制成：硅灰石 70-90、煤沥青15-20、双异丁烯5-10、聚己二酸丙二醇酯10-15、辛基十二醇蜂蜡酸酯2-3、乙氧基氨丙基聚二甲基硅氧烷3-4、马来酸二丁酯5-10、十一烯酸锌1-2、2-己基癸酸季戊四醇酯3-5、钠硼解石10-15、高炉矿渣9-16、三壬基苯基亚磷酸酯2-4、低分子量聚丙烯3-6、乙酰丙酮钙2-3、N,N'-二仲丁基对苯二胺1-2、α-硫辛酸 0.5-1、苯骈三氮唑1-2、助剂 2.5-4.5；
所述助剂的制备方法如下：a、取以下重量份的原料: 片钠铝石10-15、偏硼酸钡 5-10、肌醇六磷酸酯1-2、十二硫醇二丁基锡 2-3、碱式碳酸铋 3-5、异十三醇肉豆蔻酸酯 2.5-4.5、苯磺酰三羟甲基甲胺 1.5-2.5、8-羟基喹啉铜 0.5-1、间苯二酚单苯甲酸酯 4-6、茶多酚 2-3、七水硫酸镁 6-9、山梨醇酐单棕榈酸酯 1-2；b、将片钠铝石、偏硼酸钡、碱式碳酸铋混合均匀，粉碎，过150-200目筛，然后加入肌醇六磷酸酯、十二硫醇二丁基锡、8-羟基喹啉铜、异十三醇肉豆蔻酸酯，搅拌5-10min，然后加入余下原料，继续搅拌4-6min，烘干即得所述助剂。
2.根据权利要求1所述的汽车线束聚乙烯护套材料用改性硅灰石的制备方法，其特征在于包括以下步骤：首先将硅灰石、钠硼解石、高炉矿渣混合均匀，650-750℃煅烧2-3h，冷却至室温，粉碎，过400-600目筛后投入高速搅拌机内，于150-200℃下搅拌10-15min，使得物料含水量小于0.5%；然后将物料装入冷混机中搅拌降温，待物料温度降至80-90℃时，加入马来酸二丁酯、十一烯酸锌、辛基十二醇蜂蜡酸酯、乙氧基氨丙基聚二甲基硅氧烷和2-己基癸酸季戊四醇酯，继续搅拌4-6min，待机内物料温度降至40℃以下时，出料，烘干；最后将烘干后的物料与余下原料混合均匀，高速分散6-9min，烘干，研细，包装即可。
CN201410315175.1A 2014-07-02 2014-07-02 一种汽车线束聚乙烯护套材料用改性硅灰石及其制备方法 Pending CN104119597A (zh)

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Application publication date: 20141029