CN103524893A - 一种125℃辐照交联epcv光伏用无卤阻燃护套材料及其制备方法 - Google Patents

一种125℃辐照交联epcv光伏用无卤阻燃护套材料及其制备方法 Download PDF

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CN103524893A
CN103524893A CN201310460854.3A CN201310460854A CN103524893A CN 103524893 A CN103524893 A CN 103524893A CN 201310460854 A CN201310460854 A CN 201310460854A CN 103524893 A CN103524893 A CN 103524893A
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parts
district
halogen
weight
ethylene
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CN103524893B (zh
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罗超华
范伟伟
范魏魏
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JIANGSU DASHENG POLYMER CO., LTD.
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JIANGSU DASHENG POLYMER CO Ltd
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Priority to PCT/CN2014/070594 priority patent/WO2015043122A1/zh
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Abstract

本发明公开了一种125℃辐照交联EPCV光伏用低烟无卤护套电缆材料,该材料按重量份数主要由如下原料制成:三元乙丙橡胶10-20份;热塑性弹性体0-5份;聚乙烯0-25份;乙烯-醋酸乙烯共聚物0-15份;相容剂1-5;氢氧化铝45-65份;安定剂1-3份;硅酮母粒1-3份。本发明的产品具有优异的防油性能和阻燃性能,燃烧时烟释放量极低,烟中透光率可达到90%以上,同时具有优良的力学性能和耐气候性,完全满足UL4703-2010标准性能要求。

Description

一种125℃辐照交联EPCV光伏用无卤阻燃护套材料及其制备方法
技术领域
本发明涉及一种低烟无卤电力电缆材料及其制备方法,具体涉及一种125℃辐照交联EPCV光伏用低烟无卤阻燃护套材料及其制备方法。
背景技术
近年来,随着能源危机的日益加剧以及人们环保意识的逐渐加强,世界各国纷纷制定发展新能源政策,全球太阳能光伏产业得到了迅速发展。根据我国能源发展政策,太阳能应用已列入重点发展能源之一,国内光伏产业项目不断推出,呈现出欣欣向荣的光伏产业热。在此背景下,光伏电缆的用量也随之不断增加,进入稳定的市场成长期,光伏电缆组件需求将保持高速发展。
光伏电线电缆作为光伏产业的重要组成部分,其安全性和可靠性对于光伏发电系统至关重要,而光伏线缆的安全性和可靠性则主要取决于光伏线缆材料。目前在光伏线缆领域应用最广的是XLPE类材料,XLPE类光伏线缆材料在应用过程中存在着硬度大,狭小空间内安装不便,无法实现低烟无卤VW-1阻燃级别等不足之处。
EPCV是一种橡胶和塑料的共混物,具有橡胶优异的弹性和高填充性以及塑料出色的力学性能和加工性能。其应用于光伏线缆,不仅具有优异的力学性能和电气性能,而且具有极佳的阻燃性能和优异的防油性能,可实现无卤阻燃VW-1级别,不含磷氮系阻燃剂,在燃烧过程中烟释放量极低,真正做到绿色环保。因此,125℃EPCV光伏用低烟无卤护套材料具有非常好的经济效益和社会效益。
CN102766293A公开了一种辐照交联低烟无卤无红磷阻燃材料,包括:乙烯-乙酸乙烯酯共聚物10-80重量份;乙烯-辛烯共聚物和/或乙烯-丁烯共聚物和/或三元乙丙橡胶5-30重量份;聚乙烯0-100重量份;聚合物相容剂1-20重量份;有机硅聚合物0.5-10重量份;复合抗氧剂1-10重量份;氢氧化铝和/或氢氧化镁和/或改性氢氧化铝和/或改性氢氧化镁0-200重量份;高分子量聚磷酸铵0.1-100重量份和/或磷酸酯类阻燃剂0.1-50重量份和/或三聚氰胺氰脲酸盐0.1-50重量份,应用于热缩套管阻燃等级达到美国UL224VW-1标准,应用于电线电缆达到美国UL1581VW-1标准,且不含卤素及红磷,对环境友好。
发明内容
针对现有技术中的问题,本发明的目的在于提供一种125℃辐照交联EPCV光伏用无卤阻燃护套材料,所述无卤阻燃护套材料具有优异的防油性能和阻燃性能,燃烧时烟释放量极低,烟中透光率高,同时具有优异的力学性能和电气性能。
为了实现上述目的,本发明采用了如下技术方案:
一种125℃辐照交联EPCV光伏用无卤阻燃护套材料,其按重量份数主要由以下原料制成:
所述三元乙丙橡胶的重量份数例如为11份、12份、13份、14份、15份、16份、17份、18份或19份。
所述热塑性弹性体(TPE)的重量份数例如为0.5份、1份、1.5份、2份、2.5份、3份、3.5份、4份或4.5份。
所述聚乙烯的重量份数例如为1份、3份、5份、7份、9份、11份、13份、15份、17份、19份、21份或23份。
所述乙烯-醋酸乙烯共聚物的重量份数例如为0.5份、1份、2份、3份、4份、5份、6份、7份、8份或9份。
所述相容剂的重量份数例如为1.5份、2份、2.5份、3份、3.5份、4份或4.5份。
所述氢氧化铝的重量份数例如为47份、49份、51份、52份、54份、57份、60份或63份。
所述安定剂的重量份数例如为1.2份、1.5份、1.8份、2.1份、2.4份、2.7份或2.9份。
所述硅酮母粒的重量份数例如为1.2份、1.5份、1.8份、2.1份、2.4份、2.7份或2.9份。
优选地,一种125℃辐照交联EPCV光伏用无卤阻燃护套材料,其按重量份数主要由以下原料制成:
Figure BDA0000390948600000031
Figure BDA0000390948600000041
优选地,一种125℃辐照交联EPCV光伏用无卤阻燃护套材料,其按重量份数主要由以下原料制成:
三元乙丙橡胶11~18份
热塑性弹性体1~5份
聚乙烯2~23份
乙烯-醋酸乙烯共聚物2~15份
相容剂1~5份
氢氧化铝50~60份
安定剂1~3份
硅酮母粒1~3份。
上述125℃辐照交联EPCV光伏用无卤阻燃护套材料可由配方量的原料经常规的密炼机共混造粒,挤出机挤出造粒制得。
优选地,所述三元乙丙橡胶(EPDM)乙烯丙烯链段摩尔比为60:40~70:30,第三单体为乙叉冰片烯,第三单体占三种单体的总质量的质量百分比为1~3%,数均分子量为5~15万,100℃门尼粘度为30~70Pa·s,邵氏A硬度为20~50。
优选地,所述热塑性弹性体(TPE)为乙烯-丙烯共聚物,其数均分子量为10~20万,100℃门尼粘度为30~60Pa·s,邵氏A硬度为30~60,190℃和2.16kg下的熔融指数为1~5g/10min。
优选地,所述聚乙烯为低密度聚乙烯,数均分子量5~15万,190℃和2.16kg下的熔融指数为1~5g/10min。
优选地,所述乙烯-醋酸乙烯共聚物的醋酸乙烯含量为40~60wt%,190℃和2.16kg下的熔融指数为3~5g/10min。
优选地,所述相容剂为马来酸酐接枝聚乙烯,接枝率为1~2%,190℃和2.16kg下的熔融指数为1~3g/10min。
优选地,所述氢氧化铝为拜耳-烧结联合法制备。优选地,所述氢氧化铝采用氨基硅烷进行改性,其粒径D50为1~2微米,目数4000~8000目。
优选地,所述安定剂由下述组分按重量份组成:硬脂酸钙35~55份,硬脂酸锌5~35份,四[β-(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯35~60份。
优选地,所述硅酮母粒由下述组分按重量份组成:10~20份低密度聚乙烯,45~75份硅氧烷,15~55份二氧化硅。
优选地,所述低密度聚乙烯数均分子量5~10万,190℃和2.16kg下的熔融指数5~10g/10min。
优选地,所述硅氧烷为甲基乙烯基硅氧烷,数均分子量60~100万。
优选地,所述二氧化硅为沉淀法二氧化硅,目数5000~6000目。
本发明的目的之二在于提供一种如上所述的125℃辐照交联EPCV光伏用低烟无卤阻燃护套材料的制备方法,经密炼机共混造粒,挤出机挤出造粒,即可制得本发明的125℃辐照交联EPCV光伏用低烟无卤阻燃护套材料。
一种如上所述的125℃辐照交联EPCV光伏用低烟无卤阻燃护套材料的制备方法,所述方法包括如下步骤:
(1)将配方量的各组分通过密炼机熔融共混,然后通过单螺杆挤出机造粒;
(2)将步骤(1)得到的粒子通过挤出机挤出线材;
(3)线材经过电子加速器进行辐照交联,得到125℃辐照交联EPCV光伏用低烟无卤阻燃护套材料。
优选地,步骤(1)的密炼温度为160~175℃,密炼时间为15~25分钟。
所述密炼温度例如为162℃、164℃、166℃、168℃、170℃、172℃或174℃。
所述密炼时间例如为16分钟、17分钟、18分钟、19分钟、20分钟、21分钟、22分钟、23分钟或24分钟。
优选地,步骤(1)所述单螺杆挤出机分为七个区,各区的工作温度为:第一区110~115℃,第二区115~120℃,第三区115~120℃,第四区120~125℃,第五区120~125℃,第六区120~130℃,第七区125~130℃。
所述第一区的温度例如为110.5℃、111℃、111.5℃、112℃、112.5℃、113℃、113.5℃、114℃或114.5℃。
所述第二区的温度例如为115.5℃、116℃、116.5℃、117℃、117.5℃、118℃、118.5℃、119℃或119.5℃。
所述第三区的温度例如为115.5℃、116℃、116.5℃、117℃、117.5℃、118℃、118.5℃、119℃或119.5℃。
所述第四区的温度例如为120.5℃、121℃、121.5℃、122℃、122.5℃、123℃、123.5℃、124℃或124.5℃。
所述第五区的温度例如为120.5℃、121℃、121.5℃、122℃、122.5℃、123℃、123.5℃、124℃或124.5℃。
所述第六区的温度例如为121℃、122℃、123℃、124℃、125℃、126℃、127℃、128℃或129℃。
所述第七区的温度例如为125.5℃、126℃、126.5℃、127℃、127.5℃、128℃、128.5℃、129℃或129.5℃。
优选地,步骤(2)中所述挤出机分为四个区,各区的工作温度为:第一区150~160℃,第二区165~175℃,第三区165~175℃,第四区170~180℃。
所述第一区的温度例如为151℃、152℃、153℃、154℃、155℃、156℃、157℃、158℃或159℃。
所述第二区的温度例如166℃、167℃、168℃、169℃、170℃、171℃、172℃、173℃或174℃。
所述第三区的温度例如为166℃、167℃、168℃、169℃、170℃、171℃、172℃、173℃或174℃。
所述第四区的温度例如为171℃、172℃、173℃、174℃、175℃、176℃、177℃、178℃或179℃。
与已有技术相比,本发明具有如下有益效果:
本发明的产品具有优异的阻燃性能和防油性能,可实现无卤阻燃VW-1,以及可通过UL44中的防油要求。
本发明的产品燃烧时烟释放量极低,烟中透光率可达到90%以上,同时具有优良的力学性能和耐气候性,完全满足UL4703-2010标准性能要求。
具体实施方式
下面通过具体实施方式来进一步说明本发明的技术方案。
实施例1
一种125℃辐照交联EPCV光伏用低烟无卤护套电缆材料,按重量份数主要由以下原料制成:三元乙丙橡胶(EPDM):15份;热塑性弹性体(TPE):1份;聚乙烯:5份;乙烯-醋酸乙烯共聚物:10份;相容剂:2;氢氧化铝63份;安定剂:2份;硅酮母粒:2份。
所述三元乙丙橡胶(EPDM)乙烯丙烯链段摩尔比为60:40,第三单体为乙叉冰片烯,第三单体占三种单体的总质量的质量百分比为3%,数均分子量为15万,100℃门尼粘度为50Pa·s,邵氏A硬度为40。
所述热塑性弹性体(TPE)为乙烯~丙烯共聚物,其数均分子量15万,100℃门尼粘度为50Pa·s,邵氏A硬度为60,190℃和2.16kg下的熔融指数为1~5g/10min。
所述聚乙烯为低密度聚乙烯,数均分子量8万,190℃和2.16kg下熔融指数为5g/10min。
所述乙烯-醋酸乙烯共聚物的醋酸乙烯含量为50wt%,190℃和2.16kg下熔融指数为5g/10min。
所述相容剂为马来酸酐接枝聚乙烯,接枝率为2%,190℃和2.16kg下熔融指数为2g/10min。
所述氢氧化铝为拜耳-烧结联合法制备的,采用氨基硅烷进行改性,其粒径D50为2微米,目数5000目。
所述安定剂由下述组分按重量份组成:硬脂酸钙:40份,硬脂酸锌:10份,四[β-(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯:50份。
所述硅酮母粒由下述组分按重量份组成:低密度聚乙烯:10份,硅氧烷:50份,二氧化硅:40份。所述低密度聚乙烯数均分子量5万,190℃和2.16kg下的熔融指数5g/10min。所述的硅氧烷为甲基乙烯基硅氧烷,数均分子量80万。所述二氧化硅为沉淀法二氧化硅,目数6000目。
上述125℃辐照交联EPCV光伏用低烟无卤护套电缆材料制备方法包括步骤:
(1)准确称量配方各组分;
(2)将称量好的原料通过密炼机熔融共混然后依次通过单螺杆挤出机造粒;
(3)将造好的粒子通过挤出机挤出线材。
(4)线材经过电子加速器进行辐照交联。
将各组分通过密炼机熔融共混,具体参数为:密炼温度为160-175℃,密炼时间为15-25分钟。
所述步骤(2)中,单螺杆挤出机分为七个区,各区的工作温度为:第一区110-115℃,第二区115-120℃,第三区115-120℃,第四区120-125℃,第五区120-125℃,第六区120-130℃,第七区125-130℃
所述步骤(3)中,挤出机分为四个区,各区的工作温度为:第一区150-160℃,第二区165-175℃,第三区165-175℃,第四区170-180℃。
实施例2
一种125℃辐照交联EPCV光伏用低烟无卤护套电缆材料,按重量份数主要由以下原料制成:三元乙丙橡胶(EPDM):12份;热塑性弹性体(TPE):2份;聚乙烯:10份;乙烯-醋酸乙烯共聚物:10份;相容剂:2;氢氧化铝60份;安定剂:2份;硅酮母粒:2份。
所述三元乙丙橡胶(EPDM)乙烯丙烯链段摩尔比为60:40,第三单体为乙叉冰片烯,第三单体占三种单体的总质量的质量百分比为3%,数均分子量为15万,100℃门尼粘度为50Pa·s,邵氏A硬度为40。
所述的热塑性弹性体(TPE)为乙烯-丙烯共聚物,数均分子量15万,100℃门尼粘度为50Pa·s,邵氏A硬度为60,190℃和2.16kg下的熔融指数为1-5g/10min
所述聚乙烯为低密度聚乙烯,数均分子量8万,190℃和2.16kg下的熔融指数为5g/10min。
所述的乙烯-醋酸乙烯共聚物的醋酸乙烯含量为50wt%,190℃和2.16kg下的熔融指数为5g/10min。
所述相容剂为马来酸酐接枝聚乙烯,接枝率为2%,190℃和2.16kg下熔融指数为2g/10min。
所述的氢氧化铝为拜耳-烧结联合法制备的,采用氨基硅烷进行改性,其粒径D50为2微米,目数5000目。
所述的安定剂由下述组分按重量份组成:硬脂酸钙:40份,硬脂酸锌:10份,四[β-(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯:50份。
所述的硅酮母粒由下述组分按重量份组成:低密度聚乙烯:10份,硅氧烷:50份,二氧化硅:40份。所述的低密度聚乙烯数均分子量5万,190℃和2.16kg下的熔融指数5g/10min。所述的硅氧烷为甲基乙烯基硅氧烷,数均分子量80万。所述的二氧化硅为沉淀法二氧化硅,目数6000目。
上述125℃辐照交联EPCV光伏用低烟无卤护套电缆材料制备方法包括如下步骤:
(1)准确称量配方各组分;
(2)将称量好的原料通过密炼机熔融共混然后依次通过单螺杆挤出机造粒;
(3)将造好的粒子通过挤出机挤出线材。
(4)线材经过电子加速器进行辐照交联。
将各组分通过密炼机熔融共混,具体参数为:密炼温度为160-175℃,密炼时间为15-25分钟。
所述步骤(2)中,单螺杆挤出机分为七个区,各区的工作温度为:第一区110-115℃,第二区115-120℃,第三区115-120℃,第四区120-125℃,第五区120-125℃,第六区120-130℃,第七区125-130℃
所述步骤(3)中,挤出机分为四个区,各区的工作温度为:第一区150-160℃,第二区165-175℃,第三区165-175℃,第四区170-180℃。
实施例3
一种125℃辐照交联EPCV光伏用低烟无卤护套电缆材料,按重量份数主要由以下原料制成:三元乙丙橡胶(EPDM):18份;热塑性弹性体(TPE):2份;聚乙烯:5份;乙烯-醋酸乙烯共聚物:12份;相容剂:2;氢氧化铝59份;安定剂:2份;硅酮母粒:2份。
所述的三元乙丙橡胶(EPDM)乙烯丙烯链段摩尔比为60:40,第三单体为乙叉冰片烯,第三单体占三种单体的总质量的质量百分比为3%,数均分子量为15万,100℃门尼粘度为50Pa·s,邵氏A硬度为40。
所述的热塑性弹性体(TPE)为乙烯-丙烯共聚物,数均分子量15万,100℃门尼粘度为50Pa·s,邵氏A硬度为60,190℃和2.16kg下熔融指数为1-5g/10min。
所述的聚乙烯为低密度聚乙烯,数均分子量8万,190℃和2.16kg下熔融指数为5g/10min。
所述的乙烯-醋酸乙烯共聚物的醋酸乙烯含量为50wt%,190℃和2.16kg下熔融指数为5g/10min。
所述的相容剂为马来酸酐接枝聚乙烯,接枝率为2%,190℃和2.16kg下熔融指数为2g/10min
所述的氢氧化铝为拜耳-烧结联合法制备的,采用氨基硅烷进行改性,其粒径D50为2微米,目数5000目。
所述的安定剂由-下述组分按重量份组成:硬脂酸钙:40份,硬脂酸锌:10份,四[β-(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯:50份。
所述的硅酮母粒由下述组分按重量份组成:低密度聚乙烯:10份,硅氧烷:50份,二氧化硅:40份。所述的低密度聚乙烯数均分子量5万,190℃和2.16kg下的熔融指数9g/10min。所述的硅氧烷为甲基乙烯基硅氧烷,数均分子量80万。所述的二氧化硅为沉淀法二氧化硅,目数6000目。
上述125℃辐照交联EPCV光伏用低烟无卤护套电缆材料制备方法包括如下步骤:
(1)准确称量配方各组分;
(2)将称量好的原料通过密炼机熔融共混然后依次通过单螺杆挤出机造粒;
(3)将造好的粒子通过挤出机挤出线材。
(4)线材经过电子加速器进行辐照交联。
将各组分通过密炼机熔融共混,具体参数为:密炼温度为160-175℃,密炼时间为15-25分钟。
所述步骤(2)中,单螺杆挤出机分为七个区,各区的工作温度为:第一区110-115℃,第二区115-120℃,第三区115-120℃,第四区120-125℃,第五区120-125℃,第六区120-130℃,第七区125-130℃
所述步骤(3)中,挤出机分为四个区,各区的工作温度为:第一区150-160℃,第二区165-175℃,第三区165-175℃,第四区170-180℃。
实施例4
一种125℃辐照交联EPCV光伏用低烟无卤护套电缆材料,按重量份数主要由以下原料制成:三元乙丙橡胶(EPDM):16份;热塑性弹性体(TPE):1.5份;聚乙烯:8份;乙烯-醋酸乙烯共聚物:12份;相容剂:2.5;氢氧化铝56份;安定剂:2份;硅酮母粒:2份。
所述的三元乙丙橡胶(EPDM)乙烯丙烯链段摩尔比为60:40,第三单体为乙叉冰片烯,第三单体占三种单体的总质量的质量百分比为3%,数均分子量为15万,100℃门尼粘度为50Pa·s,邵氏A硬度为40。
所述的热塑性弹性体(TPE)为乙烯-丙烯共聚物,数均分子量15万,100℃门尼粘度为50Pa·s,邵氏A硬度为60,190℃和2.16kg下熔融指数为1-5g/10min。
所述的聚乙烯为低密度聚乙烯,数均分子量8万,190℃和2.16kg下熔融指数为5g/10min。
所述的乙烯-醋酸乙烯共聚物的醋酸乙烯含量为50wt%,190℃和2.16kg下熔融指数为5g/10min。
所述的相容剂为马来酸酐接枝聚乙烯,接枝率为2%,190℃和2.16kg下熔融指数为2g/10min。
所述的氢氧化铝为拜耳-烧结联合法制备的,采用氨基硅烷进行改性,其粒径D50为2微米,目数5000目。
所述的安定剂由下述组分按重量份组成:硬脂酸钙:40份,硬脂酸锌:10份,四[β-(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯:50份。
所述的硅酮母粒由下述组分按重量份组成:低密度聚乙烯:10份,硅氧烷:50份,二氧化硅:40份。所述的低密度聚乙烯数均分子量5万,190℃和2.16kg下的熔融指数9g/10min。所述的硅氧烷为甲基乙烯基硅氧烷,数均分子量80万。所述的二氧化硅为沉淀法二氧化硅,目数6000目。
上述125℃辐照交联EPCV光伏用低烟无卤护套电缆材料制备方法包括步骤:
(1)准确称量配方各组分;
(2)将称量好的原料通过密炼机熔融共混然后依次通过单螺杆挤出机造粒;
(3)将造好的粒子通过挤出机挤出线材。
(4)线材经过电子加速器进行辐照交联。
将各组分通过密炼机熔融共混,具体参数为:密炼温度为160-175℃,密炼时间为15-25分钟。
所述步骤(2)中,单螺杆挤出机分为七个区,各区的工作温度为:第一区110-115℃,第二区115-120℃,第三区115-120℃,第四区120-125℃,第五区120-125℃,第六区120-130℃,第七区125-130℃
所述步骤(3)中,挤出机分为四个区,各区的工作温度为:第一区150-160℃,第二区165-175℃,第三区165-175℃,第四区170-180℃。
实施例5
一种125℃辐照交联EPCV光伏用低烟无卤护套电缆材料,按重量份数主要由以下原料制成:三元乙丙橡胶(EPDM):10份;聚乙烯:25份;相容剂:1份;氢氧化铝45份;安定剂:1份;硅酮母粒:1份。
所述的三元乙丙橡胶(EPDM)乙烯丙烯链段摩尔比为60:40,第三单体为乙叉冰片烯,第三单体占三种单体的总质量的质量百分比为1%,数均分子量为5万,100℃门尼粘度为30Pa·s,邵氏A硬度为20。。
所述的聚乙烯为低密度聚乙烯,数均分子量5万,190℃和2.16kg下熔融指数为3.6g/10min。
所述的相容剂为马来酸酐接枝聚乙烯,接枝率为1%,190℃和2.16kg下熔融指数为1g/10min。
所述的氢氧化铝为拜耳-烧结联合法制备的,采用氨基硅烷进行改性,其粒径D50为1微米,目数4000目。
所述的安定剂由下述组分按重量份组成:硬脂酸钙:35份,硬脂酸锌:5份,四[β-(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯:60份。
所述的硅酮母粒由下述组分按重量份组成:低密度聚乙烯:10份,硅氧烷:45份,二氧化硅:15份。所述的低密度聚乙烯数均分子量5万,190℃和2.16kg下的熔融指数5g/10min。所述的硅氧烷为甲基乙烯基硅氧烷,数均分子量60万。所述的二氧化硅为沉淀法二氧化硅,目数5000目。
采用与实施例1相同的方法制备上述125℃辐照交联EPCV光伏用低烟无卤护套电缆材料。
实施例6
一种125℃辐照交联EPCV光伏用低烟无卤护套电缆材料,按重量份数主要由以下原料制成:三元乙丙橡胶(EPDM):20份;热塑性弹性体(TPE):5份;乙烯-醋酸乙烯共聚物:5份;相容剂:5;氢氧化铝65份;安定剂:3份;硅酮母粒:3份。
所述的三元乙丙橡胶(EPDM)乙烯丙烯链段摩尔比为70:30,第三单体为乙叉冰片烯,第三单体占三种单体的总质量的质量百分比为2%,数均分子量为10万,100℃门尼粘度为70Pa·s,邵氏A硬度为50。
所述的热塑性弹性体(TPE)为乙烯-丙烯共聚物,数均分子量10万,100℃门尼粘度为30Pa·s,邵氏A硬度为30,190℃和2.16kg下熔融指数为4g/10min。
所述的乙烯-醋酸乙烯共聚物的醋酸乙烯含量为60wt%,190℃和2.16kg下熔融指数为5g/10min。
所述的相容剂为马来酸酐接枝聚乙烯,接枝率为1.5%,190℃和2.16kg下熔融指数为3g/10min。
所述的氢氧化铝为拜耳-烧结联合法制备的,采用氨基硅烷进行改性,其粒径D50为2微米,目数8000目。
所述的安定剂由下述组分按重量份组成:硬脂酸钙:55份,硬脂酸锌:35份,四[β-(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯:35份。
所述的硅酮母粒由下述组分按重量份组成:低密度聚乙烯:20份,硅氧烷:75份,二氧化硅:55份。所述的低密度聚乙烯数均分子量10万,190℃和2.16kg下的熔融指数10g/10min。所述的硅氧烷为甲基乙烯基硅氧烷,数均分子量100万。所述的二氧化硅为沉淀法二氧化硅,目数5000目。
采用与实施例1相同的方法制备上述125℃辐照交联EPCV光伏用低烟无卤护套电缆材料。
实施例7
一种125℃辐照交联EPCV光伏用低烟无卤护套电缆材料,按重量份数主要由以下原料制成:三元乙丙橡胶(EPDM):14份;热塑性弹性体(TPE):4份;聚乙烯:10份;乙烯-醋酸乙烯共聚物:8份;相容剂:2;氢氧化铝60份;安定剂:2份;硅酮母粒:2份。
所述的三元乙丙橡胶(EPDM)乙烯丙烯链段摩尔比为60:40,第三单体为乙叉冰片烯,第三单体占三种单体的总质量的质量百分比为2%,数均分子量为10万,100℃门尼粘度为50Pa·s,邵氏A硬度为40。
所述的热塑性弹性体(TPE)为乙烯~丙烯共聚物,其数均分子量15万,100℃门尼粘度为60Pa·s,邵氏A硬度为50,190℃和2.16kg下的熔融指数为1~5g/10min。
所述聚乙烯为低密度聚乙烯,数均分子量8万,190℃和2.16kg下熔融指数为3g/10min。
所述乙烯-醋酸乙烯共聚物的醋酸乙烯含量为50%,190℃和2.16kg下熔融指数为4g/10min。
所述的相容剂为马来酸酐接枝聚乙烯,接枝率为1.5%,190℃和2.16kg下熔融指数为2g/10min。
所述的氢氧化铝为拜耳-烧结联合法制备的,采用氨基硅烷进行改性,其粒径D50为1微米,目数5000目。
所述安定剂由下述组分按重量份组成:硬脂酸钙:40份,硬脂酸锌:10份,四[β-(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯:50份。
所述硅酮母粒由下述组分按重量份组成:低密度聚乙烯:10份,硅氧烷:50份,二氧化硅:40份。所述低密度聚乙烯数均分子量8万,190℃和2.16kg下的熔融指数8g/10min。所述的硅氧烷为甲基乙烯基硅氧烷,数均分子量80万。所述的二氧化硅为沉淀法二氧化硅,目数5500目。
采用与实施例1相同的方法制备125℃辐照交联EPCV光伏用低烟无卤护套电缆材料。
对实施例1-7的125℃辐照交联EPCV光伏用低烟无卤护套电缆材料进行性能测试,具体数据见下表:
Figure BDA0000390948600000171
申请人声明,本发明通过上述实施例来说明本发明的详细组成及方法,但本发明并不局限于上述详细组成及方法,即不意味着本发明必须依赖上述详细组成及方法才能实施。所属技术领域的技术人员应该明了,对本发明的任何改进,对本发明产品各原料的等效替换及辅助组分的添加、具体方式的选择等,均落在本发明的保护范围和公开范围之内。

Claims (10)

1.一种125℃辐照交联EPCV光伏用无卤阻燃护套材料,其特征在于,其按重量份数主要由以下原料制成:
2.如权利要求1所述的无卤阻燃护套材料,其特征在于,其按重量份数主要由以下原料制成:
3.如权利要求1或2所述的无卤阻燃护套材料,其特征在于,其按重量份数主要由以下原料制成:
Figure FDA0000390948590000021
4.如权利要求1-3之一所述的无卤阻燃护套材料,其特征在于,所述三元乙丙橡胶乙烯丙烯链段摩尔比为60:40~70:30,第三单体为乙叉冰片烯,第三单体占三种单体的总质量的质量百分比为1~3%,数均分子量为5~15万,100℃门尼粘度为30~70Pa·s,邵氏A硬度为20~50;
优选地,所述热塑性弹性体为乙烯-丙烯共聚物,其数均分子量为10~20万,100℃门尼粘度为30~60Pa·s,邵氏A硬度为30~60,190℃和2.16kg下的熔融指数为1~5g/10min。
5.如权利要求1-4之一所述的无卤阻燃护套材料,其特征在于,所述聚乙烯为低密度聚乙烯,数均分子量5~15万,190℃和2.16kg下的熔融指数为1~5g/10min;
优选地,所述乙烯-醋酸乙烯共聚物的醋酸乙烯含量为40~60wt%,190℃和2.16kg下的熔融指数为3~5g/10min。
6.如权利要求1-5之一所述的无卤阻燃护套材料,其特征在于,所述相容剂为马来酸酐接枝聚乙烯,接枝率为1~2%,190℃和2.16kg下的熔融指数为1~3g/10min;
优选地,所述氢氧化铝为拜耳-烧结联合法制备;优选地,所述氢氧化铝采用氨基硅烷进行改性,其粒径D50为1~2微米,目数4000~8000目。
7.如权利要求1-6之一所述的无卤阻燃护套材料,其特征在于,所述安定剂由下述组分按重量份组成:硬脂酸钙35~55份,硬脂酸锌5~35份,四[β-(3,5-二叔丁基-4-羟基苯基)丙酸酯]季戊四醇酯35~60份。
8.如权利要求1-7之一所述的无卤阻燃护套材料,其特征在于,所述硅酮母粒由下述组分按重量份组成:10~20份低密度聚乙烯,45~75份硅氧烷,15~55份二氧化硅;
优选地,所述的低密度聚乙烯数均分子量5~10万,190℃和2.16kg下的熔融指数5~10g/10min;
优选地,所述硅氧烷为甲基乙烯基硅氧烷,数均分子量60~100万;
优选地,所述二氧化硅为沉淀法二氧化硅,目数5000~6000目。
9.一种如权利要求1-8之一所述的125℃辐照交联EPCV光伏用无卤阻燃护套材料的制备方法,其特征在于,所述方法包括如下步骤:
(1)将配方量的各组分通过密炼机熔融共混,然后通过单螺杆挤出机造粒;
(2)将步骤(1)得到的粒子通过挤出机挤出线材;
(3)线材经过电子加速器进行辐照交联,得到125℃辐照交联EPCV光伏用无卤阻燃护套材料。
10.如权利要求9所述的方法,其特征在于,步骤(1)的密炼温度为160~175℃,密炼时间为15~25分钟;
优选地,步骤(1)所述单螺杆挤出机分为七个区,各区的工作温度为:第一区110~115℃,第二区115~120℃,第三区115~120℃,第四区120~125℃,第五区120~125℃,第六区120~130℃,第七区125~130℃;
优选地,步骤(2)中所述挤出机分为四个区,各区的工作温度为:第一区150~160℃,第二区165~175℃,第三区165~175℃,第四区170~180℃。
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CN105017627A (zh) * 2015-06-24 2015-11-04 江苏达胜高聚物股份有限公司 充电电缆用超柔软高弹性体绝缘材料及其制备
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CN107163418A (zh) * 2017-07-11 2017-09-15 江苏达胜高聚物股份有限公司 一种电缆料及其制备方法和应用
CN107337859A (zh) * 2017-08-31 2017-11-10 远东电缆有限公司 潜油泵电力用电缆耐油乙丙橡胶护套材料及其制备方法
CN109401080A (zh) * 2018-10-31 2019-03-01 江苏达胜高聚物股份有限公司 一种电缆料及其制备方法和应用
CN109666207A (zh) * 2018-12-11 2019-04-23 远东电缆有限公司 一种智慧能源高性能内燃机车软电缆及制造方法及绝缘料
CN111004433A (zh) * 2019-12-23 2020-04-14 新远东电缆有限公司 一种光伏电缆用辐照交联低烟无卤护套材料及其制备方法
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