CN106633339A - 成束高阻燃聚烯烃护套材料 - Google Patents
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Abstract
本发明一种成束高阻燃聚烯烃护套材料,由以下重量份的组分组成:茂金属聚乙烯、乙烯‑辛烯共聚物、乙烯‑醋酸乙烯共聚物、热塑性聚氨酯弹性体、马来酸酐接枝无定形聚烯烃、氢氧化铝、勃姆石、聚[1‑ (2’‑羟乙基)‑2,2,6,6‑四甲基‑4‑羟基哌啶丁二酸酯]、4,4’‑硫代双(6‑叔丁基‑3‑甲基苯酚)、β‑ (3,5‑二叔丁基‑4‑羟基苯基)丙酸十八烷基醇酯、协效母粒;所述乙烯‑辛烯共聚物的密度为0.870 g/cm3,熔融熔指数为0.5~5g/10min;所述乙烯‑醋酸乙烯共聚物的VA含量40;所述聚氨酯弹性体的拉伸强度为20~30Mpa。本发明抗张强度和断裂伸长率均得到显著改善同时,阻燃性能大大提高,能够满足IEC60332‑3满足C类成束燃烧以及IEC60332‑3B类以及A类成束燃烧。
Description
技术领域
本发明涉及低烟无卤阻燃电缆料领域,尤其涉及一种成束高阻燃聚烯烃护套材料。
背景技术
随着李克强总理在两会期间的政府工作报告中提出“互联网+”概念,“互联网+”与之密不可分的便是传统企业接轨互联网,为什么传统企业需要拓展线上市场,从80年代末期互联网开始传入中国,到90年代末互联网已经开始在国内逐步普及,到如今我们的生活与之息息相关,人们越来越依赖互联网,足不出户购买、售卖物品已经成为家常便饭。电线电缆由于大量使用易燃的高分子材料而存在火灾安全隐患,最初是通过添加卤系阻燃剂或采用含卤素的高分子材料来实现。但发生火灾时,这些材料释放出大量的烟雾和卤化氢气体,容易使人或动物窒息而死,造成二次灾难;另一方面,现有阻燃方案也影响了电缆护套的力学性能。因此,应运而生无卤阻燃电缆料。本文主要研究如何提高网路线的阻燃性和力学性能,解决行业内网络线难以同时满足力学性能和成束燃烧的难题。
发明内容
本发明的目的是提供一种成束高阻燃聚烯烃护套材料,该热塑性阻燃电缆料抗张强度和断裂伸长率均得到显著改善同时,阻燃性能大大提高,能够满足IEC60332-3满足C类成束燃烧以及IEC60332-3B类以及A类成束燃烧。
为达到上述发明目的,本发明采用的聚烯烃复合材料技术方案是:一种成束高阻燃聚烯烃护套材料,由以下重量份的组分组成:
茂金属聚乙烯 10~15份,
乙烯-辛烯共聚物 10~15份,
乙烯-醋酸乙烯共聚物 10~15份,
热塑性聚氨酯弹性体 1~5份,
马来酸酐接枝无定形聚烯烃 1~5份,
氢氧化铝 40~50份,
勃姆石 1~5份,
聚[1- (2’-羟乙基)-2,2,6,6-四甲基-4-羟基哌啶丁二酸酯] 0.1~0.5份,
4,4’-硫代双(6-叔丁基-3-甲基苯酚) 0.1~0.3份,
β- (3,5-二叔丁基-4-羟基苯基)丙酸十八烷基醇酯 0.1~0.3份,
协效母粒 0.5~1.5份;
所述茂金属聚乙烯的密度为0.918 g/cm3,熔融熔指数为1~3g/10min;
所述乙烯-辛烯共聚物的密度为0.870 g/cm3,熔融熔指数为0.5~5g/10min;
所述乙烯-醋酸乙烯共聚物的VA含量40;
所述热塑性聚酯弹性体的拉伸强度为20~30Mpa,熔融熔指数为5~20g/10min(190℃);密度为1.0~1.2 g/cm3;
所述马来酸酐接枝无定形聚烯烃,接枝率为0.8%~1.5%,其融熔指数为1~5g/10min;
所述勃姆石为d50直径是0.5-5μm;
所述协效母粒的PH值为5.0~7.0,N含量≥40%,P含量≥12%,溶解度< 0.01 %(20℃水),分解温度≤280℃。
上述技术方案进一步改进的技术方案如下:
1. 上述方案中,所述茂金属聚乙烯为韩国SK化学生产的Smart-181或者Smart-181S或者Smart-183
2. 上述方案中,所述乙烯-辛烯共聚物为韩国SK化学生产的Solumer-8705或者Solumer-871或者Solumer-875。
3. 上述方案中,所述乙烯-醋酸乙烯共聚物为美国杜邦生产的EVA40L-03。
4. 根据权利要求1所述的成束高阻燃聚烯烃护套材料,所述热塑性聚酯弹性体为台湾长春公司生产的1130-201LH、台湾长春公司生产的1140-201LH2或者台湾长春公司生产的1140-201LH3。
5. 上述方案中,所述勃姆石为安徽壹石通材料科技股份有限公司生产的BG-601或者BG-611或者BG-613或者BG-403。
6. 上述方案中,所述协效母粒为扬州众森化工生产的PN207C或者PN207D或者PN208C。
由于上述技术方案的运用,本发明与现有技术相比具有下列优点:
本发明一种成束高阻燃聚烯烃护套材料,其采用特定物化参数的茂金属聚乙烯10~15份、乙烯-辛烯共聚物 10~15份、乙烯-醋酸乙烯共聚物10~15份、热塑性聚氨酯弹性体1~5份,形成一种共聚,共聚物体系抗张强度和断裂伸长率均得到显著改善同时,共聚物中进一步添加勃姆石与氢氧化铝、协效母粒协同作用,形成了一种新型膨胀型阻燃体系,阻燃效果与常规阻燃体系相比有显著提高,制成的网络线与市面上常规材料制成的网络线比阻燃性能大大提高,能够满足IEC60332-3满足C类成束燃烧以及IEC60332-3B类以及A类成束燃烧。
具体实施方式
在制备时,按配方称取各原材料,经过高混机混合均匀后,通过密炼机捏合,再通过双螺杆+单螺杆这种双阶式挤出机挤出造粒成型。
下面结合实施例对本发明作进一步描述:
实施例1~3:一种成束高阻燃聚烯烃护套材料,由以下重量份的组分组成:
所述成束高阻燃聚烯烃护套材料由以下重量份组分组成,如表1所示:
表1
所述茂金属聚乙烯的密度为0.918 g/cm3,熔融熔指数为1~3g/10min;
所述乙烯-辛烯共聚物的密度为0.870 g/cm3,熔融熔指数为0.5~5g/10min;
所述乙烯-醋酸乙烯共聚物的VA含量40;
所述热塑性聚酯弹性体的拉伸强度为20~30Mpa,熔融熔指数为5~20g/10min(190℃);密度为1.0~1.2 g/cm3;
所述马来酸酐接枝无定形聚烯烃,接枝率为0.8%~1.5%,其融熔指数为1~5g/10min;
所述勃姆石为d50直径是0.5-5μm;
所述协效母粒的PH值为5.0~7.0,N含量≥40%,P含量≥12%,溶解度< 0.01 %(20℃水),分解温度≤280℃。
实施例1的茂金属聚乙烯为韩国SK化学生产的Smart-181,实施例2的茂金属聚乙烯为Smart-181S,实施例3的茂金属聚乙烯为Smart-183。
实施例1的乙烯-辛烯共聚物为韩国SK化学生产的Solumer-8705,实施例2的乙烯-辛烯共聚物为Solumer-871,实施例3的乙烯-辛烯共聚物为Solumer-875。
实施例1~3的乙烯-醋酸乙烯共聚物为美国杜邦生产的EVA40L-03。
实施例1的热塑性聚酯弹性体为台湾长春公司生产的1130-201LH, 实施例2的热塑性聚酯弹性体为台湾长春公司生产的1140-201LH2, 实施例3的热塑性聚酯弹性体为台湾长春公司生产的1140-201LH3。
实施例1的勃姆石为安徽壹石通材料科技股份有限公司生产的BG-601,实施例2的勃姆石为BG-611,实施例3的勃姆石为BG-613。
实施例1的协效母粒为扬州众森化工生产的PN207C,实施例2的协效母粒为扬州众森化工生产的PN207D,实施例3的协效母粒为扬州众森化工生产的PN208C。
在制备时,按配方称取各原材料,经过高混机混合均匀后,通过密炼机捏合,再通过双螺杆和单螺杆这种双阶式挤出机挤出造粒成型。
对比例1~3:一种成束高阻燃聚烯烃护套材料,由以下重量份的组分组成:
表2
实施例1~3和对比例1~3所得成束高阻燃聚烯烃护套材料性能测试数据如下表3所示:
表3
本发明成束高阻燃聚烯烃护套材料,其采用特定物化参数的茂金属聚乙烯10~15份、乙烯-辛烯共聚物 10~15份、乙烯-醋酸乙烯共聚物10~15份、热塑性聚氨酯弹性体1~5份,形成一种共聚,共聚物体系抗张强度和断裂伸长率均得到显著改善同时,共聚物中进一步添加勃姆石与氢氧化铝、协效母粒协同作用,形成了一种新型膨胀型阻燃体系,阻燃效果与常规阻燃体系相比有显著提高,制成的网络线与市面上常规材料制成的网络线比阻燃性能大大提高,能够满足IEC60332-3满足C类成束燃烧以及IEC60332-3B类以及A类成束燃烧。
上述实施例只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 (7)
1.一种成束高阻燃聚烯烃护套材料,其特征在于:由以下重量份的组分组成:
茂金属聚乙烯 10~15份,
乙烯-辛烯共聚物 10~15份,
乙烯-醋酸乙烯共聚物 10~15份,
热塑性聚酯弹性体 1~5份,
马来酸酐接枝无定形聚烯烃 1~5份,
氢氧化铝 40~50份,
勃姆石 1~5份,
聚[1- (2’-羟乙基)-2,2,6,6-四甲基-4-羟基哌啶丁二酸酯] 0.1~0.5份,
4,4’-硫代双(6-叔丁基-3-甲基苯酚) 0.1~0.3份,
β- (3,5-二叔丁基-4-羟基苯基)丙酸十八烷基醇酯 0.1~0.3份,
协效母粒 0.5~1.5份;
所述茂金属聚乙烯的密度为0.918 g/cm3,熔融熔指数为1~3g/10min;
所述乙烯-辛烯共聚物的密度为0.870 g/cm3,熔融熔指数为0.5~5g/10min;
所述乙烯-醋酸乙烯共聚物的VA含量40;
所述热塑性聚酯弹性体的拉伸强度为20~30Mpa,熔融熔指数为5~20g/10min(190℃);密度为1.0~1.2 g/cm3;
所述马来酸酐接枝无定形聚烯烃,接枝率为0.8%~1.5%,其融熔指数为1~5g/10min;
所述勃姆石为d50直径是0.5-5μm;
所述协效母粒的PH值为5.0~7.0,N含量≥40%,P含量≥12%,溶解度< 0.01 %(20℃水),分解温度≤280℃。
2.根据权利要求1所述的成束高阻燃聚烯烃护套材料,其特征在于:所述茂金属聚乙烯为韩国SK化学生产的Smart-181或者Smart-181S或者Smart-183。
3.根据权利要求1所述的成束高阻燃聚烯烃护套材料,其特征在于:所述乙烯-辛烯共聚物为韩国SK化学生产的Solumer-8705或者Solumer-871或者Solumer-875。
4.根据权利要求1所述的成束高阻燃聚烯烃护套材料,其特征在于:所述乙烯-醋酸乙烯共聚物为美国杜邦生产的EVA40L-03。
5.根据权利要求1所述的成束高阻燃聚烯烃护套材料,其特征在于:所述热塑性聚酯弹性体为台湾长春公司生产的1130-201LH、台湾长春公司生产的1140-201LH2或者台湾长春公司生产的1140-201LH3。
6.根据权利要求1所述的成束高阻燃聚烯烃护套材料,其特征在于:所述勃姆石为安徽壹石通材料科技股份有限公司生产的BG-601或者BG-611或者BG-613或者BG-403。
7.根据权利要求1所述的成束高阻燃聚烯烃护套材料,其特征在于:所述协效母粒为扬州众森化工生产的PN207C或者PN207D或者PN208C。
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