CN109147999A - 一种耐老化线缆 - Google Patents
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Abstract
本发明提供了一种耐老化线缆,在线缆护套表面涂覆有耐磨性热反射涂料,该耐磨性热反射涂料采用氟碳乳液为基料,使涂料本身具有优异的耐水性、耐候性和耐沾污性,此外,采用纳米掺铝氧化锌、纳米氧化铝和纳米二氧化硅复合粉体作为功能添加剂,从而使线缆表层具有良好的耐候、耐磨、紫外屏蔽和红外反射性能,有效延长了线缆的使用寿命。
Description
技术领域
本发明涉及线缆技术领域,尤其涉及一种耐老化线缆。
背景技术
安装于户外的线缆由于长时间受到阳光的照射,容易引起线缆外护套发生紫外老化降解,从而导致线缆护套表面产生开裂的现象,线缆护套的开裂会导致水汽及异物等侵入线缆内部,从而影响线缆的正常工作;此外,太阳光中所含的大量红外线所带来的热量也会使线缆表面温度升高,进一步加重线缆本身的老化程度,最终降低线缆的使用寿命。
发明内容
针对上述存在的技术问题,本发明的目的在于提供一种耐老化线缆,具有一定的紫外和红外阻隔效果,以达到延长线缆使用寿命的目的。
本发明的技术方案如下:一种耐老化线缆,包括导体,所述导体外表面设有内屏蔽层,所述内屏蔽层外表面设有绝缘层,所述绝缘层外表面设有外屏蔽层,所述外屏蔽层外表面设有铜带屏蔽层,所述铜带屏蔽层外部设有填充层,所述填充层外部设有绕包带,所述绕包带外部设有隔离套,所述隔离套外部设有钢带铠装层,所述钢带铠装层外部设有护套,所述护套外表面涂覆有耐磨性热反射涂料,所述耐磨性热反射涂料由以下组分按重量份数配比组成:氟碳乳液30-50份、纳米复合粉体2-25份,硅烷偶联剂0.25-1份、分散剂0.5-3.5份、去离子水15-25份、消泡剂0.05-1份,增稠剂0.25-1.8份,成膜助剂0.4-2份,所述纳米复合粉体包括纳米掺铝氧化锌、纳米氧化铝和纳米二氧化硅。
优选地,所述纳米级复合粉体中纳米掺铝氧化锌、纳米氧化铝和纳米二氧化硅的重量比为1:1:0.5。
优选地,所述分散剂为聚羧酸类分散剂。
优选地,所述硅烷偶联剂为γ-甲基丙烯酰氧基丙基三甲氧基硅烷、γ-氨丙基三乙氧基硅烷、γ-缩水甘油醚氧丙基三甲氧基硅烷中的一种或多种。
优选地,所述消泡剂为聚醚改性有机硅氧烷消泡剂。
优选地,所述增稠剂为羟乙基纤维素、羟丙基甲基纤维素中的一种。
优选地,所述成膜助剂为丙二醇甲醚、丙二醇甲醚醋酸酯、Texanol醇酯中的一种或多种。
所述耐磨性热反射涂料制备的具体步骤为:按照比例称取纳米复合粉体、硅烷偶联剂、分散剂以及去离子水,混合后进行超声分散20-120min,依次加入氟碳乳液、消泡剂、增稠剂和成膜助剂,混合后进行超声分散30-300min,得到耐磨性热反射涂料。
本发明所取得的技术效果是:在线缆护套表面涂覆有耐磨性热反射涂料,该耐磨性热反射涂料采用氟碳乳液为基料,引入了C-F键,使涂料本身具有优异的耐水性、耐候性和耐沾污性,此外,采用纳米掺铝氧化锌、纳米氧化铝和纳米二氧化硅复合粉体作为功能添加剂,其中纳米掺铝氧化锌对红外具有较好的反射作用,纳米氧化铝具有较高的耐磨性能,纳米二氧化硅则具有较好的紫外屏蔽能力,从而使线缆表层具有良好的耐候、耐磨、紫外屏蔽和红外反射性能,有效延长了线缆的使用寿命。
附图说明
图1为本发明的结构示意图;
图1中:1-导体,2-内屏蔽层,3-绝缘层,4-外屏蔽层,5-铜带屏蔽层,6-填充层,7-绕包带,8-隔离套,9-钢带铠装层,10-护套,11-耐磨性热反射涂料。
具体实施方式
下面结合附图和具体实施方式对本发明作进一步详细描述,本发明的实施方式包括但不限于下列实施例。
实施例1
参照图1,一种耐老化线缆,包括导体1,所述导体1外表面设有内屏蔽层2,所述内屏蔽层2外表面设有绝缘层3,所述绝缘层3外表面设有外屏蔽层4,所述外屏蔽层4外表面设有铜带屏蔽层5,所述铜带屏蔽层5外部设有填充层6,所述填充层6外部设有绕包带7,所述绕包带7外部设有隔离套8,所述隔离套8外部设有钢带铠装层9,所述钢带铠装层9外部设有护套10,所述护套10外表面涂覆有耐磨性热反射涂料11,所述耐磨性热反射涂料11由以下组分按重量份数配比组成:氟碳乳液30份、纳米复合粉体2份(其中纳米掺铝氧化锌0.8份、纳米氧化铝0.8份、纳米二氧化硅0.4份)、硅烷偶联剂(γ-甲基丙烯酰氧基丙基三甲氧基硅烷)0.25份、分散剂5040 0.5份、去离子水15份、聚醚改性有机硅氧烷消泡剂0.05份,增稠剂(羟乙基纤维素)0.25份,成膜助剂(丙二醇甲醚)0.4份。
所述耐磨性热反射涂料11制备的具体步骤为:按照比例称取纳米复合粉体、硅烷偶联剂、分散剂以及去离子水,混合后进行超声分散20min,依次加入氟碳乳液、消泡剂、增稠剂和成膜助剂,混合后进行超声分散30min,得到耐磨性热反射涂料11。
实施例2
一种耐老化线缆,包括导体1,所述导体1外表面设有内屏蔽层2,所述内屏蔽层2外表面设有绝缘层3,所述绝缘层3外表面设有外屏蔽层4,所述外屏蔽层4外表面设有铜带屏蔽层5,所述铜带屏蔽层5外部设有填充层6,所述填充层6外部设有绕包带7,所述绕包带7外部设有隔离套8,所述隔离套8外部设有钢带铠装层9,所述钢带铠装层9外部设有护套10,所述护套10外表面涂覆有耐磨性热反射涂料11,所述耐磨性热反射涂料11由以下组分按重量份数配比组成:氟碳乳液50份、纳米复合粉体25份(其中纳米掺铝氧化锌10份、纳米氧化铝10份、纳米二氧化硅5份),硅烷偶联剂(γ-氨丙基三乙氧基硅烷)1份、分散剂5040 3.5份、去离子水25份、聚醚改性有机硅氧烷消泡剂1份,增稠剂(羟丙基甲基纤维素)1.8份,成膜助剂(丙二醇甲醚醋酸酯)2份。
所述耐磨性热反射涂料11制备的具体步骤为:按照比例称取纳米复合粉体、硅烷偶联剂、分散剂以及去离子水,混合后进行超声分散120min,依次加入氟碳乳液、消泡剂、增稠剂和成膜助剂,混合后进行超声分散300min,得到耐磨性热反射涂料11。
实施例3
一种耐老化线缆,包括导体1,所述导体1外表面设有内屏蔽层2,所述内屏蔽层2外表面设有绝缘层3,所述绝缘层3外表面设有外屏蔽层4,所述外屏蔽层4外表面设有铜带屏蔽层5,所述铜带屏蔽层5外部设有填充层6,所述填充层6外部设有绕包带7,所述绕包带7外部设有隔离套8,所述隔离套8外部设有钢带铠装层9,所述钢带铠装层9外部设有护套10,所述护套10外表面涂覆有耐磨性热反射涂料11,所述耐磨性热反射涂料11由以下组分按重量份数配比组成:氟碳乳液40份、纳米复合粉体15份(其中纳米掺铝氧化锌6份、纳米氧化铝6份、纳米二氧化硅3份),硅烷偶联剂(γ-缩水甘油醚氧丙基三甲氧基硅烷)0.7份、分散剂5040 2份、去离子水20份、聚醚改性有机硅氧烷消泡剂0.5份,增稠剂(羟丙基甲基纤维素)1份,成膜助剂(Texanol醇酯)1份。
所述耐磨性热反射涂料11制备的具体步骤为:按照比例称取纳米复合粉体、硅烷偶联剂、分散剂以及去离子水,混合后进行超声分散80min,依次加入氟碳乳液、消泡剂、增稠剂和成膜助剂,混合后进行超声分散150min,得到耐磨性热反射涂料11。
上述实施例只为说明本发明的保护范围,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内。
Claims (8)
1.一种耐老化线缆,包括导体(1),所述导体(1)外表面设有内屏蔽层(2),所述内屏蔽层(2)外表面设有绝缘层(3),所述绝缘层(3)外表面设有外屏蔽层(4),所述外屏蔽层(4)外表面设有铜带屏蔽层(5),所述铜带屏蔽层(5)外部设有填充层(6),所述填充层(6)外部设有绕包带(7),所述绕包带(7)外部设有隔离套(8),所述隔离套(8)外部设有钢带铠装层(9),所述钢带铠装层(9)外部设有护套(10),其特征在于:所述护套(10)外表面涂覆有耐磨性热反射涂料(11),所述耐磨性热反射涂料(11)由以下组分按重量份数配比组成:氟碳乳液30-50份、纳米复合粉体2-25份,硅烷偶联剂0.25-1份、分散剂0.5-3.5份、去离子水15-25份、消泡剂0.05-1份,增稠剂0.25-1.8份,成膜助剂0.4-2份,所述纳米复合粉体包括纳米掺铝氧化锌、纳米氧化铝和纳米二氧化硅。
2.如权利要求1所述的一种耐老化线缆,其特征在于:所述纳米级复合粉体中纳米掺铝氧化锌、纳米氧化铝和纳米二氧化硅的重量比为1:1:0.5。
3.如权利要求1所述的一种耐老化线缆,其特征在于:所述分散剂为聚羧酸类分散剂。
4.如权利要求1所述的一种耐老化线缆,其特征在于:所述硅烷偶联剂为γ-甲基丙烯酰氧基丙基三甲氧基硅烷、γ-氨丙基三乙氧基硅烷、γ-缩水甘油醚氧丙基三甲氧基硅烷中的一种或多种。
5.如权利要求1所述的一种耐老化线缆,其特征在于:所述消泡剂为聚醚改性有机硅氧烷消泡剂。
6.如权利要求1所述的一种耐老化线缆,其特征在于:所述增稠剂为羟乙基纤维素、羟丙基甲基纤维素中的一种。
7.如权利要求1所述的一种耐老化线缆,其特征在于:所述成膜助剂为丙二醇甲醚、丙二醇甲醚醋酸酯、Texanol醇酯中的一种或多种。
8.如权利要求1至7任一项所述的一种耐老化线缆,其特征在于,所述耐磨性热反射涂料(11)制备的具体步骤为:按照比例称取纳米复合粉体、硅烷偶联剂、分散剂以及去离子水,混合后进行超声分散20-120min,依次加入氟碳乳液、消泡剂、增稠剂和成膜助剂,混合后进行超声分散30-300min,得到耐磨性热反射涂料(11)。
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