CN105551635A - 一种抗老化电缆 - Google Patents

一种抗老化电缆 Download PDF

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CN105551635A
CN105551635A CN201510939815.0A CN201510939815A CN105551635A CN 105551635 A CN105551635 A CN 105551635A CN 201510939815 A CN201510939815 A CN 201510939815A CN 105551635 A CN105551635 A CN 105551635A
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彭江莲
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Abstract

本发明提供了一种抗老化电缆，一种抗老化电缆，所述电缆包括缆芯和护套层，所述缆芯包括位于中部的导体以及包覆在导体外部的绝缘层，所述护套层设在缆芯外，护套层包括内护套层和外护套层，所述内护套层位于外内护套层与绝缘层之间，所述内护套层采用钢丝套网掺杂纤维材料交织形成，所述外护套层采用改性天然橡胶材料制作而成。改性天然橡胶材料的制备中，将负载型防老剂与防老剂RD配合使用改善了橡胶材料的硫化特性、力学性能、耐热氧老化性，显著提高了材料的强度及抗老化性能。

Description

一种抗老化电缆
技术领域
本发明涉及电缆设备技术领域，具体的说是一种抗老化电缆。
背景技术
目前，电缆广泛用于电力、通信及相关传输工程中，通常是由几根或几组导线每组至少两根绞合而成的类似绳索的电缆，每组导线之间相互绝缘，并常围绕着一根中心扭成，整个外面包有高度绝缘的覆盖层，普通的电缆的耐用性较差，强度上需要加强。而现有的改进材料制备的电缆虽然在强度上大有提升，但是其成本又较高。因而有必要设计一种抗老化、低成本的电缆。
发明内容
本发明为解决现有技术存在的不足，提供了一种抗老化电缆，所述电缆包括缆芯和护套层，所述缆芯包括位于中部的导体以及包覆在导体外部的绝缘层，所述护套层设在缆芯外，护套层包括内护套层和外护套层，所述内护套层位于外内护套层与绝缘层之间，所述内护套层采用钢丝套网掺杂纤维材料交织形成，所述外护套层采用改性天然橡胶材料制作而成；所述改性天然橡胶材料的原料按重量份包括以下组分：天然橡胶89份、环氧树脂6份、氟微粉4份、白炭黑18份、尼龙短纤维7.6份、改性碳酸钙晶须16份、改性纳米二氧化钛17份、纳米氧化铝4份、硬脂酸3份、氧化锌2.3份、硫磺3份、N，N’-间苯撑双马来酰亚胺1份、过氧化二异丙苯0.85份、4,4′-二氨基二苯甲烷1.6份、环丁烯砜0.58份、促进剂TETD1.6份、促进剂MZ0.69份、促进剂NS0.57份、防老剂RD1.4份、负载型防老剂2.6-3.2份、防老剂RD1.1-1.5份、增塑剂7.6份、硅烷偶联剂3.6份。
进一步地，所述负载型防老剂按照以下工艺进行制备：按重量份将20-35份蒙脱土加入45-60份硝酸铈的乙醇水溶液中，其中，硝酸铈的乙醇水溶液中硝酸铈的质量分数为3-8％，乙醇与水的体积之比为1:3-6，搅拌浸渍4-8h进行吸附，升温至60-75℃后滴加30-50份维生素C钠的乙醇水溶液，其中，维生素C钠的乙醇水溶液中维生素C钠的质量分数为5-12％，乙醇与水的体积之比为1:4-8，搅拌反应3-7h后抽滤、洗涤、干燥得到所述负载型防老剂。
优选地，所述所述外护套层的厚度与电缆直径的比值为1∶25至1∶30。
由于上述技术方案，本发明的有益效果为：
(1)本发明的电缆，其外护套层采用改性天然橡胶材料制作而成，所述改性天然橡胶材料具有优异的抗裂纹生长性能、拉伸强度和撕裂强度，将其用于制作电缆外护套，能够赋予电缆高的力学性能的，并提高电缆的强度，延长电缆的使用寿命。
(2)所述改性天然橡胶材料的制备原料中包含负载型防老剂和防老剂RD，负载型防老剂与防老剂RD配合使用能够改善橡胶材料的硫化特性、力学性能、耐热氧老化性，显著提高了材料的抗老化性能。
(3)本发明电缆的内护套层采用钢丝套网掺杂纤维材料交织形成，既可以增加电缆的强度由能保证电缆的韧性。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动的前提下所获得的所有其他实施例，都属于本发明保护的范围。
实施例一：
一种抗老化电缆，所述电缆包括缆芯和护套层，所述缆芯包括位于中部的导体以及包覆在导体外部的绝缘层，所述护套层设在缆芯外，护套层包括内护套层和外护套层，所述内护套层位于外内护套层与绝缘层之间，所述内护套层采用钢丝套网掺杂纤维材料交织形成，所述外护套层采用改性天然橡胶材料制作而成；所述改性天然橡胶材料的原料按重量份包括以下组分：天然橡胶89份、环氧树脂6份、氟微粉4份、白炭黑18份、尼龙短纤维7.6份、改性碳酸钙晶须16份、改性纳米二氧化钛17份、纳米氧化铝4份、硬脂酸3份、氧化锌2.3份、硫磺3份、N，N’-间苯撑双马来酰亚胺1份、过氧化二异丙苯0.85份、4,4′-二氨基二苯甲烷1.6份、环丁烯砜0.58份、促进剂TETD1.6份、促进剂MZ0.69份、促进剂NS0.57份、防老剂RD1.4份、负载型防老剂2.6-3.2份、防老剂RD1.1-1.5份、增塑剂7.6份、硅烷偶联剂3.6份。
进一步地，所述负载型防老剂按照以下工艺进行制备：按重量份将20-35份蒙脱土加入45-60份硝酸铈的乙醇水溶液中，其中，硝酸铈的乙醇水溶液中硝酸铈的质量分数为3-8％，乙醇与水的体积之比为1:3-6，搅拌浸渍4-8h进行吸附，升温至60-75℃后滴加30-50份维生素C钠的乙醇水溶液，其中，维生素C钠的乙醇水溶液中维生素C钠的质量分数为5-12％，乙醇与水的体积之比为1:4-8，搅拌反应3-7h后抽滤、洗涤、干燥得到所述负载型防老剂。
优选地，所述所述外护套层的厚度与电缆直径的比值为1∶25至1∶30。
由于上述技术方案，本发明的有益效果为：
(1)本发明的电缆，其外护套层采用改性天然橡胶材料制作而成，所述改性天然橡胶材料具有优异的抗裂纹生长性能、拉伸强度和撕裂强度，将其用于制作电缆外护套，能够赋予电缆高的力学性能的，并提高电缆的强度，延长电缆的使用寿命。
(2)所述改性天然橡胶材料的制备原料中包含负载型防老剂和防老剂RD，负载型防老剂与防老剂RD配合使用能够改善橡胶材料的硫化特性、力学性能、耐热氧老化性，显著提高了材料的抗老化性能。
(3)本发明电缆的内护套层采用钢丝套网掺杂纤维材料交织形成，既可以增加电缆的强度由能保证电缆的韧性。
以上所述是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。

Claims (3)

1.一种抗老化电缆，其特征在于，所述电缆包括缆芯和护套层，所述缆芯包括位于中部的导体以及包覆在导体外部的绝缘层，所述护套层设在缆芯外，护套层包括内护套层和外护套层，所述内护套层位于外内护套层与绝缘层之间，所述内护套层采用钢丝套网掺杂纤维材料交织形成，所述外护套层采用改性天然橡胶材料制作而成；所述改性天然橡胶材料的原料按重量份包括以下组分：天然橡胶89份、环氧树脂6份、氟微粉4份、白炭黑18份、尼龙短纤维7.6份、改性碳酸钙晶须16份、改性纳米二氧化钛17份、纳米氧化铝4份、硬脂酸3份、氧化锌2.3份、硫磺3份、N，N’-间苯撑双马来酰亚胺1份、过氧化二异丙苯0.85份、4,4′-二氨基二苯甲烷1.6份、环丁烯砜0.58份、促进剂TETD1.6份、促进剂MZ0.69份、促进剂NS0.57份、防老剂RD1.4份、负载型防老剂2.6-3.2份、防老剂RD1.1-1.5份、增塑剂7.6份、硅烷偶联剂3.6份。
2.根据权利要求1所述的抗老化电缆，其特征在于，所述负载型防老剂按照以下工艺进行制备：按重量份将20-35份蒙脱土加入45-60份硝酸铈的乙醇水溶液中，其中，硝酸铈的乙醇水溶液中硝酸铈的质量分数为3-8％，乙醇与水的体积之比为1:3-6，搅拌浸渍4-8h进行吸附，升温至60-75℃后滴加30-50份维生素C钠的乙醇水溶液，其中，维生素C钠的乙醇水溶液中维生素C钠的质量分数为5-12％，乙醇与水的体积之比为1:4-8，搅拌反应3-7h后抽滤、洗涤、干燥得到所述负载型防老剂。
3.根据权利要求1所述的抗老化电缆，其特征在于，所述所述外护套层的厚度与电缆直径的比值为1∶25至1∶30。
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CN105139939A (zh) * 2015-08-18 2015-12-09 合肥市再德高分子材料有限公司 一种高强度耐老化电缆

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CN114960241A (zh) * 2022-04-29 2022-08-30 江苏赛福天钢索股份有限公司 一种耐高温抗老化钢丝绳及其制备方法
CN114960241B (zh) * 2022-04-29 2023-10-13 江苏赛福天集团股份有限公司 一种耐高温抗老化钢丝绳

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