CN105365277B - 一种电缆阻水层材料及其制备方法 - Google Patents
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Abstract
本发明公开了一种电缆阻水层材料及其制备方法，属于防止流体进入导体而引起电缆损坏的材料领域，用以解决现有的电缆阻水能力不够的问题。本发明所述的电缆阻水层材料包括基层、覆盖在基层上下两面的隔水层，以及附着在隔水层上的防水涂料组成，其制备方法简单、易操作，且阻水层材料包括基层、隔水层和防水涂料层共计5层，缆芯有5层防护层，能够更好的保护缆芯免受水分的侵蚀。
Description
技术领域
本发明涉及防止流体进入导体而引起电缆损坏的材料，具体地说，涉及一种电缆阻水层材料及其制备方法。
背景技术
地下电缆，尤其是在水下如海底的电缆，需要有较好的防水性能，水分一旦侵入电缆内部，电缆将会受到破坏而无法使用。水分的侵入方式一般有两种：从电缆端部、电缆表面强度较弱的地方。现有的电缆防水的措施是采用阻水带缠绕或者采用阻水填料填充，一旦有水分侵入，在水分侵入口的填充材料吸水膨胀直接将水分侵入口堵住。但是这种方法依然存在缆芯被浸入水分的风险。
发明内容
为解决上述问题，本发明提供一种电缆阻水层材料及其制备方法，其具有很好的阻水能力，使得电缆在长度方向上保持较高的防水能力，保证在电缆的长度方向上不会有阻水性能较弱的地点。
本发明所述的电缆阻水层材料，包括基层、覆盖在基层上下两面的隔水层，以及附着在隔水层上的防水涂料组成，所述基层包括下列重量份的组份：聚氨基甲酸酯20-30份，丙烯20-40份，醋酸乙烯15-20份、氧化铝5-10份，氨水3-6份，苯二甲酸二辛脂10-15份；所述隔水层包括下列重量份的组份：丁苯乳液15-25份、聚乙烯5-10份、高特导电炭黑10-15份、丙二醇5-10份、硬脂酸钙1-3份；所述防水涂料包括下列重量份的组份：沥青10-20份、滑石粉8-16份、炭黑5～8份、氧化铝5-10份、硼酸6-12份。
优选的，所述电缆阻水层材料中，基层包括下列重量份的组份：聚氨基甲酸酯25份、丙烯30份、醋酸乙烯15份、氧化铝5份、氨水6份、苯二甲酸二辛脂10份；所述隔水层包括下列重量份的组份：丁苯乳液20份、聚乙烯10份、高特导电炭黑10份、丙二醇5份、硬脂酸钙3份；所述防水涂料包括下列重量份的组份：沥青16份、滑石粉14份、炭黑5份、氧化铝5份、硼酸10份。
进一步的，所述电缆阻水层材料的制备方法，包括以下步骤：
(1)制作基层：将各组分混合均匀，然后将其导入挤出机中，挤出成形；
(2)制作隔水层：将各组份混合均匀后置于干燥机中，在20-40℃下干燥10-30分钟，然后导入挤出机中，挤出成形；
(3)制作阻水层材料：将隔水层放置在基层的上下两面，将隔水层和基层之间用胶黏剂粘接；然后将防水涂料混合成粘稠状态，将防水涂料均匀涂覆在隔水层的表面，待其自然干燥即得到阻水层材料。
与现有技术相比，本发明的有益效果是：本发明所述的电缆阻水层材料及其制备方法，制备方法简单、易操作，且阻水层材料包括基层、隔水层和防水涂料层共计5层，缆芯有5层防护层，能够更好的保护缆芯免受水分的侵蚀。
具体实施方式
下面结合实施例对本发明做进一步解释。
实施例1
一种电缆阻水层材料，包括基层、覆盖在基层上下两面的隔水层，以及附着在隔水层上的防水涂料组成，所述基层包括下列重量份的组份：聚氨基甲酸酯25份、丙烯30份、醋酸乙烯15份、氧化铝5份、氨水6份、苯二甲酸二辛脂10份；所述隔水层包括下列重量份的组份：丁苯乳液20份、聚乙烯10份、高特导电炭黑10份、丙二醇5份、硬脂酸钙3份；所述防水涂料包括下列重量份的组份：沥青16份、滑石粉14份、炭黑5份、氧化铝5份，硼酸10份。
其制备方法为：
(1)制作基层：将各组分混合均匀，然后将其导入挤出机中，挤出成形；
(2)制作隔水层：将各组份混合均匀后置于干燥机中，在25℃下干燥20分钟，然后导入挤出机中，挤出成形；
(3)制作阻水层材料：将隔水层放置在基层的上下两面，将隔水层和基层之间用胶黏剂粘接；然后将防水涂料混合成粘稠状态，将防水涂料均匀涂覆在隔水层的表面，待其自然干燥即得到阻水层材料，所述阻水层材料缠绕在电缆线芯外构成防水层。
实施例2
本实施例除以下特征外，与实施例1相同：
所述的电缆阻水层材料，基层包括下列重量份的组份：聚氨基甲酸酯20份、丙烯40份、醋酸乙烯15份、氧化铝10份、氨水6份、苯二甲酸二辛脂10份；所述隔水层包括下列重量份的组份：丁苯乳液15份、聚乙烯10份、高特导电炭黑10份、丙二醇10份、硬脂酸钙2份；所述防水涂料包括下列重量份的组份：沥青10份、滑石粉8份、炭黑5份、氧化铝5份、硼酸6份。
实施例3
本实施例除以下特征外，与实施例1相同：
所述的电缆阻水层材料，基层包括下列重量份的组份：聚氨基甲酸酯30份、丙烯40份、醋酸乙烯20份、氧化铝10份、氨水6份、苯二甲酸二辛脂10份；所述隔水层包括下列重量份的组份：丁苯乳液25份、聚乙烯10份、高特导电炭黑15份、丙二醇5份、硬脂酸钙1份；所述防水涂料包括下列重量份的组份：沥青20份、滑石粉16份、炭黑8份、氧化铝10份、硼酸12份。
Claims (5)
1.一种电缆阻水层材料，其特征在于：包括基层、覆盖在基层上下两面的隔水层，以及附着在隔水层上的防水涂料组成；
所述基层包括下列重量份的组份：聚氨基甲酸酯20-30份、丙烯20-40份、醋酸乙烯15-20份、氧化铝5-10份、氨水3-6份、苯二甲酸二辛酯 10-15份；
所述隔水层包括下列重量份的组份：丁苯乳液15-25份、聚乙烯5-10份、高特导电炭黑10-15份、丙二醇5-10份、硬脂酸钙1-3份；
所述防水涂料包括下列重量份的组份：沥青10-20份、滑石粉8-16份、炭黑5～8份、氧化铝5-10份、硼酸6-12份。
2.根据权利要求1所述的电缆阻水层材料，其特征在于，所述基层包括下列重量份的组份：聚氨基甲酸酯25份、丙烯30份、醋酸乙烯15份、氧化铝5份、氨水6份、苯二甲酸二辛酯 10份。
3.根据权利要求1所述的电缆阻水层材料，其特征在于，所述隔水层包括下列重量份的组份：丁苯乳液20份、聚乙烯10份、高特导电炭黑10份、丙二醇5份、硬脂酸钙3份。
4.根据权利要求1所述的电缆阻水层材料，其特征在于，所述防水涂料包括下列重量份的组份：沥青16份、滑石粉14份、炭黑5份、氧化铝5份、硼酸10份。
5.一种权利要求1-4任一权利要求所述的电缆阻水层材料的制备方法，其特征在于，包括以下步骤：
(1)制作基层：将各组分混合均匀，然后将其导入挤出机中，挤出成形；
(2)制作隔水层：将各组份混合均匀后置于干燥机中，在20-40℃下干燥10-30分钟，然后导入挤出机中，挤出成形；
(3)制作阻水层材料：将隔水层放置在基层的上下两面，将隔水层和基层之间用胶黏剂粘接；然后将防水涂料混合成粘稠状态，将防水涂料均匀涂覆在隔水层的表面，待其自然干燥即得到阻水层材料。
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| CN104898217A (zh) * | 2015-04-17 | 2015-09-09 | 江苏南方通信科技有限公司 | 一种新型高聚物改性水乳型沥青防水涂层光缆 |
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| US20060084743A1 (en) * | 2004-10-20 | 2006-04-20 | Chen John C | Composition comprising polymer and silicone rubber |
| CN101354929A (zh) * | 2008-07-15 | 2009-01-28 | 俞飞 | 电缆、光缆用阻水阻燃带及其制造方法 |
| US20120125657A1 (en) * | 2009-08-10 | 2012-05-24 | Brown Geoffrey D | Thermoplastic Elastomer Compositions Comprising Intumescent Flame Retardants and Non-Phosphorous-Based Flame Retardant Synergists |
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