CN106280137A - 一种抗裂耐温复合电缆料及其制备方法 - Google Patents
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Abstract
本发明公开了一种电缆料由以下重量份的原料组成:聚氯乙烯树脂70‑80、丁苯橡胶30‑35、硅橡胶25‑35、聚醋酸乙烯酯15‑19、抗氧剂1‑3、PE蜡1‑3、聚乙二醇1‑3、石墨烯2、硅酸铝纤维10‑20、纳米氧化物3‑5、聚丙烯15‑25、硬脂酸钙1‑2、白云石1、海泡石1、N330炭黑2‑3.5、阻燃剂1.5、增塑剂1‑3、明矾环氧大豆油1、稳定剂2‑4。本发明中,通过将聚氯乙烯树脂、丁苯橡胶和硅橡胶进行复合,从而能够把硅橡胶的耐高温和低温性能引入到聚氯乙烯电缆料中,随着丁苯橡胶的加入,提高了电缆料的耐磨、耐热以及耐老化性能,同时也提高了聚氯乙烯树脂和硅橡胶的复合度,提高了电缆料的稳定性,本发明的制备方法步骤简单,节约时间,制备出来的抗裂耐温复合电缆性能优良。
Description
技术领域
本发明涉及电缆料技术领域,尤其涉及一种抗裂耐温复合电缆料及其制备方法。
背景技术
电线电缆绝缘及护套用塑料俗称电缆料,其中包括了橡胶、塑料、尼龙等多种品种。电缆料生产企业是以电缆生产企业为用户,只要有电线电缆需求就有电缆料的市场。电线电缆产品中除钢芯铝绞线、电磁线等裸线产品外几乎都需要绝缘层口。目前我国有电线电缆生产企业近5000家,又有城乡电网改造、西部大开发及通信设施大面积升级改造对电线电缆产品的巨大需求,因而从一段时间来看,电缆料在我国具有广泛的市场发展前景。
电缆料在常温使用时较为稳定,但在特种环境如温度较高或温度较低时,容易发生开裂现象,需要对其配比和制备方法进行改进。
发明内容
基于背景技术存在的技术问题,本发明提出了一种抗裂耐温复合电缆料及其制备方法。
本发明提出的一种抗裂耐温复合电缆料,所述电缆料由以下重量份的原料组成:聚氯乙烯树脂70-80、丁苯橡胶30-35、硅橡胶25-35、聚醋酸乙烯酯15-19、抗氧剂1-3、PE蜡1-3、聚乙二醇1-3、石墨烯2、硅酸铝纤维10-20、纳米氧化物3-5、聚丙烯15-25、硬脂酸钙1-2、白云石1、海泡石1、N330炭黑2-3.5、阻燃剂1.5、增塑剂1-3、明矾环氧大豆油1、稳定剂2-4。
优选地,所述纳米氧化物包括纳米氧化锌、纳米氧化钛和纳米氧化铝,所述纳米氧化锌、纳米氧化钛和纳米氧化铝的重量比为2:1:1。
优选地,所述纳米氧化锌、纳米氧化钛和纳米氧化铝的粒径为300-500nm。
优选地,所述阻燃剂包括氢氧化镁和氢氧化铝,所述氢氧化镁与氢氧化铝的重量比为1:1。
优选地,所述稳定剂为稀土稳定剂XT-1。
优选地,所述硅酸铝纤维的直径为0.3-0.5mm,长度为3-6mm。
优选地,所述增塑剂为柠檬酸三乙酯。
优选地,所述抗氧剂为2,6-三级丁基-4-甲基苯酚、四〔β-(3,5-三级丁基-4-羟基苯基)丙酸〕季戊四醇酯的其中一种。
本发明进一步提供了上述抗裂耐温复合电缆料的制备方法,该制备方法包括以下步骤:
S1,将白云石和海泡石混合研磨,然后筛取粒径小于0.5mm的白云石和海泡石的混合物A;
S2,将混合物A、抗氧剂、PE蜡、聚乙二醇、石墨烯、纳米氧化物、聚丙烯、硬脂酸钙、N330炭黑、阻燃剂、增塑剂和明矾环氧大豆油混合加入到高速混合机中升温到90-120℃以1000-1400r/min混合6-10分钟后获得混合物B;
S3,将聚氯乙烯树脂、丁苯橡胶、硅橡胶、聚醋酸乙烯酯、碳酸铝纤维、明矾环氧大豆油、稳定剂和混合物B加入到密炼机中,然后给密炼机内部加热到120-140℃,密炼6-8min得到混合物C;
S4,将混合物C注入到挤出机中在80-120℃,螺杆转速10-30r/min进行挤出,得到抗裂复合电缆料。
优选地,在S3中密炼机密炼时的蒸汽压力为0.35-0.4MPa,密炼机密炼时的压缩空气压力为0.5MPa。
本发明中,通过将聚氯乙烯树脂、丁苯橡胶和硅橡胶进行复合,从而能够把硅橡胶的耐高温和低温性能引入到聚氯乙烯电缆料中,随着丁苯橡胶的加入,提高了电缆料的耐磨、耐热以及耐老化性能,同时也提高了聚氯乙烯树脂和硅橡胶的复合度,提高了电缆料的稳定性,利用碳酸铝纤维、纳米氧化物、聚乙二醇和聚醋酸乙烯酯的复合,提高了电缆料的韧性和塑性,增强了电缆料的抗裂性能,本发明的制备方法步骤简单,节约时间,制备出来的抗裂耐温复合电缆性能优良。
具体实施方式
一种抗裂耐温复合电缆料,电缆料由以下重量份(kg)的原料组成:聚氯乙烯树脂70-80、丁苯橡胶30-35、硅橡胶25-35、聚醋酸乙烯酯15-19、抗氧剂1-3、PE蜡1-3、聚乙二醇1-3、石墨烯2、硅酸铝纤维10-20、纳米氧化物3-5、聚丙烯15-25、硬脂酸钙1-2、白云石1、海泡石1、N330炭黑2-3.5、阻燃剂1.5、增塑剂1-3、明矾环氧大豆油1、稳定剂2-4。
纳米氧化物包括纳米氧化锌、纳米氧化钛和纳米氧化铝,纳米氧化锌、纳米氧化钛和纳米氧化铝的重量比为2:1:1,纳米氧化锌、纳米氧化钛和纳米氧化铝的粒径为300-500nm,阻燃剂包括氢氧化镁和氢氧化铝,氢氧化镁与氢氧化铝的重量比为1:1,稳定剂为稀土稳定剂XT-1,硅酸铝纤维的直径为0.3-0.5mm,长度为3-6mm,增塑剂为柠檬酸三乙酯,抗氧剂为2,6-三级丁基-4-甲基苯酚、四〔β-(3,5-三级丁基-4-羟基苯基)丙酸〕季戊四醇酯的其中一种。
一种抗裂耐温复合电缆料的制备方法,包括以下步骤:
S1,将白云石和海泡石混合研磨,然后筛取粒径小于0.5mm的白云石和海泡石的混合物A;
S2,将混合物A、抗氧剂、PE蜡、聚乙二醇、石墨烯、纳米氧化物、聚丙烯、硬脂酸钙、N33O炭黑、阻燃剂、增塑剂和明矾环氧大豆油混合加入到高速混合机中升温到90-120℃以1000-1400r/min混合6-10分钟后获得混合物B;
S3,将聚氯乙烯树脂、丁苯橡胶、硅橡胶、聚醋酸乙烯酯、碳酸铝纤维、明矾环氧大豆油、稳定剂和混合物B加入到密炼机中,密炼机密炼时的蒸汽压力为0.35-0.4MPa,密炼机密炼时的压缩空气压力为0.5MPa,然后给密炼机内部加热到120-140℃,密炼6-8min得到混合物C;
S4,将混合物C注入到挤出机中在80-120℃,螺杆转速10-30r/min进行挤出,得到抗裂复合电缆料。
下面结合具体实施例对本发明作进一步解说:
实施例一:
一种抗裂耐温复合电缆料,电缆料由以下重量份(kg)的原料组成:聚氯乙烯树脂70、丁苯橡胶35、硅橡胶25、聚醋酸乙烯酯15、抗氧剂1、PE蜡1、聚乙二醇1、石墨烯2、硅酸铝纤维10、纳米氧化物3、聚丙烯15、硬脂酸钙1、白云石1、海泡石1、N330炭黑2、阻燃剂1.5、增塑剂1、明矾环氧大豆油1、稳定剂2。
实施例二:
一种抗裂耐温复合电缆料,电缆料由以下重量份(kg)的原料组成:聚氯乙烯树脂72、丁苯橡胶34、硅橡胶27.5、聚醋酸乙烯酯16、抗氧剂1、PE蜡2、聚乙二醇2、石墨烯2、硅酸铝纤维12、纳米氧化物3.5、聚丙烯17、硬脂酸钙1、白云石1、海泡石1、N330炭黑2.5、阻燃剂1.5、增塑剂1.5、明矾环氧大豆油1、稳定剂3。
实施例三:
一种抗裂耐温复合电缆料,电缆料由以下重量份(kg)的原料组成:聚氯乙烯树脂74、丁苯橡胶33、硅橡胶30、聚醋酸乙烯酯17、抗氧剂1、PE蜡2、聚乙二醇2、石墨烯2、硅酸铝纤维14、纳米氧化物4、聚丙烯19、硬脂酸钙1、白云石1、海泡石1、N330炭黑3、阻燃剂1.5、增塑剂2、明矾环氧大豆油1、稳定剂3。
实施例四:
一种抗裂耐温复合电缆料,电缆料由以下重量份(kg)的原料组成:聚氯乙烯树脂76、丁苯橡胶32、硅橡胶32.5、聚醋酸乙烯酯18、抗氧剂2、PE蜡2.5、聚乙二醇2.5、石墨烯2、硅酸铝纤维16、纳米氧化物4.5、聚丙烯21、硬脂酸钙2、白云石1、海泡石1、N330炭黑3.5、阻燃剂1.5、增塑剂3、明矾环氧大豆油1、稳定剂3.5。
实施例五:
一种抗裂耐温复合电缆料,电缆料由以下重量份(kg)的原料组成:聚氯乙烯树脂79、丁苯橡胶31、硅橡胶35、聚醋酸乙烯酯19、抗氧剂3、PE蜡3、聚乙二醇3、石墨烯2、硅酸铝纤维18、纳米氧化物5、聚丙烯23、硬脂酸钙2、白云石1、海泡石1、N330炭黑3.5、阻燃剂1.5、增塑剂3、明矾环氧大豆油1、稳定剂4。
本发明中,通过将聚氯乙烯树脂、丁苯橡胶和硅橡胶进行复合,从而能够把硅橡胶的耐高温和低温性能引入到聚氯乙烯电缆料中,随着丁苯橡胶的加入,提高了电缆料的耐磨、耐热以及耐老化性能,同时也提高了聚氯乙烯树脂和硅橡胶的复合度,提高了电缆料的稳定性,利用碳酸铝纤维、纳米氧化物、聚乙二醇和聚醋酸乙烯酯的复合,提高了电缆料的韧性和塑性,增强了电缆料的抗裂性能,本发明的制备方法步骤简单,节约时间,制备出来的抗裂耐温复合电缆性能优良。以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。
Claims (10)
1.一种抗裂耐温复合电缆料,其特征在于,所述电缆料由以下重量份的原料组成:聚氯乙烯树脂70-80、丁苯橡胶30-35、硅橡胶25-35、聚醋酸乙烯酯15-19、抗氧剂1-3、PE蜡1-3、聚乙二醇1-3、石墨烯2、硅酸铝纤维10-20、纳米氧化物3-5、聚丙烯15-25、硬脂酸钙1-2、白云石1、海泡石1、N330炭黑2-3.5、阻燃剂1.5、增塑剂1-3、明矾环氧大豆油1、稳定剂2-4。
2.根据权利要求1所述的一种抗裂耐温复合电缆料,其特征在于,所述纳米氧化物包括纳米氧化锌、纳米氧化钛和纳米氧化铝,所述纳米氧化锌、纳米氧化钛和纳米氧化铝的重量比为2∶1:1。
3.根据权利要求2所述的一种抗裂耐温复合电缆料,其特征在于,所述纳米氧化锌、纳米氧化钛和纳米氧化铝的粒径为300-500nm。
4.根据权利要求1所述的一种抗裂耐温复合电缆料,其特征在于,所述阻燃剂包括氢氧化镁和氢氧化铝,所述氢氧化镁与氢氧化铝的重量比为1:1。
5.根据权利要求4所述的一种抗裂耐温复合电缆料,其特征在于,所述稳定剂为稀土稳定剂XT-1。
6.根据权利要求1所述的一种抗裂耐温复合电缆料,其特征在于,所述硅酸铝纤维的直径为0.3-0.5mm,长度为3-6mm。
7.根据权利要求1所述的一种抗裂耐温复合电缆料,其特征在于,所述增塑剂为柠檬酸三乙酯。
8.根据权利要求1所述的一种抗裂耐温复合电缆料,其特征在于,所述抗氧剂为2,6-三级丁基-4-甲基苯酚、四〔β-(3,5-三级丁基-4-羟基苯基)丙酸〕季戊四醇酯的其中一种。
9.一种抗裂耐温复合电缆料的制备方法,其特征在于,该制备方法包括以下步骤:
S1,将白云石和海泡石混合研磨,然后筛取粒径小于0.5mm的白云石和海泡石的混合物A;
S2,将混合物A、抗氧剂、PE蜡、聚乙二醇、石墨烯、纳米氧化物、聚丙烯、硬脂酸钙、N33O炭黑、阻燃剂、增塑剂和明矾环氧大豆油混合加入到高速混合机中升温到90-120℃以1000-1400r/min混合6-10分钟后获得混合物B;
S3,将聚氯乙烯树脂、丁苯橡胶、硅橡胶、聚醋酸乙烯酯、碳酸铝纤维、明矾环氧大豆油、稳定剂和混合物B加入到密炼机中,然后给密炼机内部加热到120-140℃,密炼6-8min得到混合物C;
S4,将混合物C注入到挤出机中在80-120℃,螺杆转速10-30r/min进行挤出,得到抗裂复合电缆料。
10.根据权利要求9所述的一种抗裂耐温复合电缆料的制备方法,其特征在于,在S3中所述的密炼机密炼时的蒸汽压力为0.35-0.4MPa,密炼机密炼时的压缩空气压力为0.5MPa。
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