CN111675860A - 一种耐低温耐油耐扭高阻燃护套材料及其制备方法 - Google Patents

一种耐低温耐油耐扭高阻燃护套材料及其制备方法 Download PDF

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CN111675860A
CN111675860A CN202010716494.9A CN202010716494A CN111675860A CN 111675860 A CN111675860 A CN 111675860A CN 202010716494 A CN202010716494 A CN 202010716494A CN 111675860 A CN111675860 A CN 111675860A
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resistant
oil
torsion
sheath material
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邹鹏飞
徐静
姚玲
王亮
吴疆
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Applast Polymer Technology Yixing Co ltd
Far East Cable Co Ltd
New Far East Cable Co Ltd
Far East Composite Technology Co Ltd
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Applast Polymer Technology Yixing Co ltd
Far East Cable Co Ltd
New Far East Cable Co Ltd
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Abstract

本发明公开一种耐低温耐油耐扭高阻燃护套材料及其制备方法，其中耐低温耐油耐扭高阻燃护套材料组成及配比，按质量份计为：氯化聚乙烯60‑80份，氯磺化聚乙烯20‑40份，乙烯‑醋酸乙烯酯共聚物0‑10份，滑石粉60‑100份，碳酸钙20‑40份，氢氧化镁20‑40份，阻燃剂0‑10份，炭黑20份，氧化镁6份，红丹5份，增塑剂10‑25份，氯化石蜡油10份，抗氧剂1.5份，交联剂5份，过氧化二异丙苯4份。本发明通过添加上述组分并按特定比例配比，使护套材料在延长使用寿命、提高耐低温、耐油、耐扭和阻燃能力的同时，确保了良好的力学性能和加工性能。

Description

一种耐低温耐油耐扭高阻燃护套材料及其制备方法
技术领域
本发明涉及电缆护套技术领域，具体涉及一种耐低温耐油耐扭高阻燃护套材料及其制备方法。
背景技术
现有的电缆，为适应不同的使用环境，往往需要同时满足多种性能要求，除对电缆的抗拉、耐扭、耐火、耐油、耐低温等性能有着很高的要求外，还需要注意防火，提高阻燃性能。现有电缆的抗拉、耐扭、耐火、耐油、耐低温性能还不十分理想，绝缘层护套易开裂；同时，也没有很好解决阻燃的问题。
因此，需要一个电缆护套，能有同时满足耐低温、耐油、耐扭和高阻燃的要求。
发明内容
本发明的目的是提供一种耐低温耐油耐扭高阻燃护套材料，解决现有电缆耐低温、耐油、耐扭和高阻燃性能不足的问题。
本发明的技术方案是：一种耐低温耐油耐扭高阻燃护套材料，所述组成及配比，按质量份计为：氯化聚乙烯60-80份，氯磺化聚乙烯20-40份，乙烯-醋酸乙烯酯共聚物0-10份，滑石粉60-100份，碳酸钙20-40份，氢氧化镁20-40份，阻燃剂0-10份，炭黑20 份，氧化镁6份，红丹5份，增塑剂10-25份，氯化石蜡油10份，抗氧剂1.5份，交联剂5份，过氧化二异丙苯4份。
所述氯化聚乙烯中氯含量为35％；门尼粘度为80-90。
所述氯磺化聚乙烯相对密度为1.19；门尼粘度为50-60；氯含量为35％。
所述乙烯-醋酸乙烯酯共聚物中醋酸乙烯酯含量为50％；门尼粘度为25-30。
所述阻燃剂为三氧化二锑。
所述增塑剂为DOS。
所述交联剂为TAIC。
一种上述的耐低温耐油耐扭高阻燃护套材料的制备方法，包括以下步骤：
步骤一：配料:组成及配比，以质量份计为：氯化聚乙烯60-80份，氯磺化聚乙烯20-40份，乙烯-醋酸乙烯酯共聚物0-10份，滑石粉60-100份，碳酸钙20-40份，氢氧化镁20-40份，三氧化二锑0-10份，炭黑20份，氧化镁6份，红丹5份，增塑剂10-25 份，氯化石蜡油10份，抗氧剂1.5份，交联剂5份，过氧化二异丙苯4份。
步骤二：各组分通过密炼机熔融共混，控制密炼温度为110度，密炼时间为3分钟，而后出料送入锥形喂料斗，经单螺杆机100度造粒、冷切，制得产品。
采用了上述技术方案，本发明具有以下的有益效果：
(1)本发明通过添加上述组分并按特定比例配比，使护套材料在延长使用寿命、提高耐低温、耐油、耐扭和阻燃能力的同时，确保了良好的力学性能和加工性能。
(2)本发明添加了氯化聚乙烯，氯化聚乙烯具有优良的耐侯性、耐臭氧、耐化学药品及耐老化性能，具有良好的耐油性、阻燃性及着色性能，确保了护套良好的耐油阻燃性能。
(3)本发明添加了氯磺化聚乙烯，氯磺化聚乙烯具有优异的耐臭氧性、耐大气老化性、耐化学腐蚀性等，姣好的物理机械性能、耐老化性能、耐热及耐低温性、耐油性、耐燃性、耐磨性、及耐电绝缘性；增加了护套的热老化性能，延长了使用寿命。
(4)本发明通过添加乙烯-醋酸乙烯酯共聚物，达到了降低了高结晶度的效果，提高了柔韧性、抗冲击性、填料相溶性和热密封性能，确保了护套良好的力学性能和加工性能。
(5)本发明通过添加滑石粉、碳酸钙和氢氧化镁配合使用补强的同时，提高护套阻燃性能和挤出性能。
(6)本发明添加三氧化二锑作为阻燃剂，进一步增加了护套的阻燃性能。
(7)本发明的增塑剂采用DOS，DOS为耐寒增塑剂，进一步增加护套耐低温性能。
(8)本发明使用过氧化二异丙苯，会与乙烯-醋酸乙烯酯共聚物形成细微均匀的抛孔，进而提高护套的耐热性能和耐候性。
(9)本发明的交联剂为TAIC，能同时起到交联和改性的效果，提高耐热性能和机械强度；且配合过氧化二异丙苯一起使用，能进一步提高机械性能。
(10)本发明采用密炼机进行混炼，混炼容量大、时间短、生产效率高，较好的克服粉尘飞扬，减少配合剂的损失，改善产品质量与工作环境，操作安全便利，减轻劳动强度。
具体实施方式
(实施例1)
称取各个组分，按质量份数称取并控制各个组分性质满足：
氯化聚乙烯60份，氯化聚乙烯中氯含量为35％；门尼粘度为85；氯化聚乙烯具有优良的耐侯性、耐臭氧、耐化学药品及耐老化性能，具有良好的耐油性、阻燃性及着色性能，确保了护套良好的耐油阻燃性能；
氯磺化聚乙烯40份，氯磺化聚乙烯相对密度为1.19；门尼粘度为56；氯含量为35％；
氯磺化聚乙烯具有优异的耐臭氧性、耐大气老化性、耐化学腐蚀性等，姣好的物理机械性能、耐老化性能、耐热及耐低温性、耐油性、耐燃性、耐磨性、及耐电绝缘性；增加了护套的热老化性能，延长了使用寿命；
滑石粉60份；
碳酸钙40份；
氢氧化镁40份，通过添加滑石粉、碳酸钙和氢氧化镁配合使用补强的同时，提高护套阻燃性能和挤出性能；
炭黑20份，外表面积80*10-5m3/kg，着色强度104％；
氧化镁6份；
红丹5份；
DOS 10份，DOS为耐寒增塑剂，进一步增加护套耐低温性能；
氯化石蜡油10份；
抗氧剂1.5份；
TAIC 5份，采用TAIC作为交联剂，能同时起到交联和改性的效果，提高耐热性能和机械强度；且配合过氧化二异丙苯一起使用，能进一步提高机械性能；
过氧化二异苯丙4份，使用过氧化二异丙苯，会与乙烯-醋酸乙烯酯共聚物形成细微均匀的抛孔，进而提高护套的耐热性能和耐候性。
通过添加上述组分并按上述比例配比，使护套材料在延长使用寿命、提高耐低温、耐油、耐扭和阻燃能力的同时，确保了良好的力学性能和加工性能。
将称量好的原料通过密炼机熔融共混，因密炼机具有混炼容量大、时间短、生产效率高，较好的克服粉尘飞扬的特点，能有效减少配合剂的损失，改善产品质量与工作环境，操作安全便利，减轻劳动强度；密炼温度为110度，密炼时间为3分钟，而后出料送入锥形喂料斗，经单螺杆机100度造粒、冷切，制得产品。
挤出制备成护套进行性能测试，结果如表1所示：
Figure BDA0002598325120000031
Figure BDA0002598325120000041
表1
上表中，各项测试指标的结果均能满足标准要求，且热老化后拉伸强度变化率和热老化后断裂伸长率变化率与标准要求相比具有显著的减小，极大的提升了护套的性能。
(实施例2)
称取各个组分，按质量份数称取并控制各个组分性质满足：
氯化聚乙烯80份，氯化聚乙烯中氯含量为35％；门尼粘度为85；
氯磺化聚乙烯20份。氯磺化聚乙烯相对密度为1.19；门尼粘度为56；氯含量为35％；
滑石粉80份；
碳酸钙30份；
氢氧化镁30份；
三氧化二锑5份，添加三氧化二锑作为阻燃剂，进一步增加了护套的阻燃性能；
炭黑20份；
氧化镁6份；
红丹5份；
DOS 15份；
氯化石蜡油10份；
抗氧剂1.5份；
TAIC交联剂5份；
过氧化二异苯丙4份。
将称量好的原料通过密炼机熔融共混，密炼温度为110度，密炼时间为3分钟，而后出料送入锥形喂料斗，经单螺杆机100度造粒、冷切，制得产品。
挤出制备成护套并进行性能测试，结果如表2所示：
Figure BDA0002598325120000051
表2
上表中，各项测试指标的结果均能满足标准要求。
(实施例3)
称取各个组分，按质量份数称取并控制各个组分性质满足：
氯化聚乙烯70份，氯化聚乙烯中氯含量为35％；门尼粘度为85；
氯磺化聚乙烯20份，氯磺化聚乙烯相对密度为1.19；门尼粘度为56；氯含量为35％；
乙烯-醋酸乙烯酯共聚物10份，醋酸乙烯酯含量28％，熔融指数(190℃，2.16kg)6g/10min，门尼粘度为27；乙烯-醋酸乙烯酯共聚物能有效降低高结晶度，提高柔韧性、抗冲击性、填料相溶性和热密封性能，确保了护套良好的力学性能和加工性能；
滑石粉80份；
碳酸钙40份；
氢氧化镁20份；
三氧化二锑5份；
炭黑20份；
氧化镁6份；
红丹5份；
DOS 25份；
氯化石蜡油10份；
抗氧剂1.5份；
TAIC交联剂5份；
过氧化二异苯丙4份。
将称量好的原料通过密炼机熔融共混，密炼温度为110度，密炼时间为3分钟，而后出料送入锥形喂料斗，经单螺杆机100度造粒、冷切，制得产品。
挤出制备成护套进行性能测试，结果如表3所示：
Figure BDA0002598325120000061
表3
上表中，各项测试指标的结果均能满足标准要求。
(实施例4)
氯化聚乙烯70份，氯化聚乙烯中氯含量为35％；门尼粘度为85；
氯磺化聚乙烯20份，氯磺化聚乙烯相对密度为1.19；门尼粘度为56；氯含量为35％；
乙烯-醋酸乙烯酯共聚物10份，乙烯-醋酸乙烯酯共聚物中醋酸乙烯酯含量为50％；门尼粘度为27，熔融指数(190℃，2.16kg)6g/10min；
滑石粉100份；
碳酸钙20份；
氢氧化镁20份；
三氧化二锑10份；
炭黑20份；
氧化镁6份；
红丹5份；
DOS 25份；
氯化石蜡油10份；
抗氧剂1.5份；
TAIC交联剂5份；
过氧化二异苯丙4份。
将称量好的原料通过密炼机熔融共混，密炼温度为110度，密炼时间为3分钟，而后出料送入锥形喂料斗，经单螺杆机100度造粒、冷切，制得产品。
挤出制备成护套进行性能测试，结果如表4所示：
Figure BDA0002598325120000071
表4
上表中，各项测试指标的结果均能满足标准要求。
以上所述的具体实施例，对本发明的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本发明的具体实施例而已，并不用于限制本发明，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (8)

1.一种耐低温耐油耐扭高阻燃护套材料，其特征在于：所述组成及配比，按质量份计为：氯化聚乙烯60-80份，氯磺化聚乙烯20-40份，乙烯-醋酸乙烯酯共聚物0-10份，滑石粉60-100份，碳酸钙20-40份，氢氧化镁20-40份，阻燃剂0-10份，炭黑20份，氧化镁6份，红丹5份，增塑剂10-25份，氯化石蜡油10份，抗氧剂1.5份，交联剂5份，过氧化二异丙苯4份。
2.根据权利要求1所述的一种耐低温耐油耐扭高阻燃护套材料，其特征在于：所述氯化聚乙烯中氯含量为35％；门尼粘度为80-90。
3.根据权利要求1所述的一种耐低温耐油耐扭高阻燃护套材料，其特征在于：所述氯磺化聚乙烯相对密度为1.19；门尼粘度为50-60；氯含量为35％。
4.根据权利要求1所述的一种耐低温耐油耐扭高阻燃护套材料，其特征在于：所述乙烯-醋酸乙烯酯共聚物中醋酸乙烯酯含量为50％；门尼粘度为25-30。
5.根据权利要求1所述的一种耐低温耐油耐扭高阻燃护套材料，其特征在于：所述阻燃剂为三氧化二锑。
6.根据权利要求1所述的一种耐低温耐油耐扭高阻燃护套材料，其特征在于：所述增塑剂为DOS。
7.根据权利要求1所述的一种耐低温耐油耐扭高阻燃护套材料，其特征在于：所述交联剂为TAIC。
8.一种如权利要求1-7中任一项所述的耐低温耐油耐扭高阻燃护套材料的制备方法，其特征在于，包括以下步骤：
步骤一：配料:组成及配比，以质量份计为：氯化聚乙烯60-80份，氯磺化聚乙烯20-40份，乙烯-醋酸乙烯酯共聚物0-10份，滑石粉60-100份，碳酸钙20-40份，氢氧化镁20-40份，三氧化二锑0-10份，炭黑20份，氧化镁6份，红丹5份，增塑剂10-25份，氯化石蜡油10份，抗氧剂1.5份，交联剂5份，过氧化二异丙苯4份。
步骤二：各组分通过密炼机熔融共混，控制密炼温度为110度，密炼时间为3分钟，而后出料送入锥形喂料斗，经单螺杆机100度造粒、冷切，制得产品。
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