CN107090116A - 一种耐高温强度高的硅烷交联聚乙烯电缆料及其制作方法 - Google Patents

一种耐高温强度高的硅烷交联聚乙烯电缆料及其制作方法 Download PDF

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CN107090116A
CN107090116A CN201710457428.2A CN201710457428A CN107090116A CN 107090116 A CN107090116 A CN 107090116A CN 201710457428 A CN201710457428 A CN 201710457428A CN 107090116 A CN107090116 A CN 107090116A
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ethylene
silane
temperature strength
kaolin
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张东清
朱花竹
袁宝
陆威
王建球
张翔
李谭
张坤
周玉梅
曹渊
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ANHUI CHUZHO DEWEI NEW MATERIAL Co Ltd
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Abstract

本发明公开了一种耐高温强度高的硅烷交联聚乙烯电缆料，由下列重量份的原料制成：高密度聚乙烯65‑75份、乙烯‑四氟乙烯共聚物20‑30份、尼龙6T16‑18、抗铜剂0.1‑0.2份、异辛酸锌1.5‑2.5份、油酸钙2.2‑2.6份、聚乙二醇2‑4份、水滑石1.4‑2.0份、硅溶胶4‑6份、吗啉4‑8份、乙撑双硬脂酸酰胺3.4‑4.6份、邻苯二甲酸二甲酯3.6‑5.8、乙烯基三（β‑甲氧基乙氧基）硅烷12‑16份、食盐1‑2份、锡酸镁2‑4份、碳纤维3‑5份、高岭土12‑14、环氧树脂乳液32‑42份、碳化硅3‑5份、阻燃剂1‑3份、水适量。本发明加工成型的电缆料具有良好的耐磨性、耐腐蚀性和机械抗弯曲性能，消除了电缆料本体内存在的内应力，且制备工艺简单，实现了节约成本与减少劳动强度，满足实际使用要求。

Description

一种耐高温强度高的硅烷交联聚乙烯电缆料及其制作方法
技术领域
本发明涉及一种耐高温强度高的硅烷交联聚乙烯电缆料及其制作方法，属于电缆料技术领域。
背景技术
随着现代科学技术的发展，人们对电线电缆的质量要求越来越高，硅烷交联聚乙烯的出现，弥补了普通聚乙烯电线电缆的不足。硅烷交联聚乙烯电缆料能提高线路的传输容量、过载能力，且该材料在制造交联电线电缆时，与过氧化物交联和辐照交联相比，具有所需制造设备简单，操作方便，综合成本低等优点，作为低压电力电缆的绝缘材料目前在我国电线电缆行业中已成为低压交联电缆用绝缘的主导材料。高密度聚乙烯价格低廉、质轻、性能优良，但高密度聚乙烯的线型分子结构决定了其在较高温度下存在性能缺陷，如分子间结合力下降、易发生形变、表现为蠕变增大、刚性和力学性能下降；高密度聚乙烯为非极性聚合物，虽对水等极性溶剂具有良好阻隔性，但对二甲苯等有机溶剂具有较高的透过性，气体阻隔性也不好。尼龙为极性聚合物，对非极性溶剂、气体的阻隔性好，但对极性溶剂的阻隔性较差，而且尼龙易吸水，从而降低材料的力学性能。将硅烷交联改性的高密度聚乙烯与尼龙进行共混，虽然可以提高电缆料的阻隔性，但由于混合料本体存在内应力及功能较为单一，导致在耐磨性、抗弯曲能力、耐老化程度、易腐蚀状况、强度和耐日照性等方面还存在缺陷。
发明内容
本发明正是针对现有技术存在的不足，提供了一种耐高温强度高的硅烷交联聚乙烯电缆料及其制作方法，本发明加工成型的电缆料具有良好的耐磨性、耐腐蚀性和机械抗弯曲性能，消除了电缆料本体内存在的内应力，且制备工艺简单，实现了节约成本与减少劳动强度，满足实际使用要求。
为解决上述问题，本发明所采取的技术方案如下：
一种耐高温强度高的硅烷交联聚乙烯电缆料，由下列重量份的原料制成：高密度聚乙烯65-75份、乙烯-四氟乙烯共聚物20-30份、尼龙6T16-18、抗铜剂0.1-0.2份、异辛酸锌1.5-2.5份、油酸钙2.2-2.6份、聚乙二醇2-4份、水滑石1.4-2.0份、硅溶胶4-6份、吗啉4-8份、乙撑双硬脂酸酰胺3.4-4.6份、邻苯二甲酸二甲酯3.6-5.8、乙烯基三（β-甲氧基乙氧基）硅烷12-16份、食盐1-2份、锡酸镁2-4份、碳纤维3-5份、高岭土12-14、环氧树脂乳液32-42份、碳化硅3-5份、阻燃剂1-3份、水适量。
具体地，本发明所述耐高温强度高的硅烷交联聚乙烯电缆料的制作方法包括以下步骤：
步骤（1）：将高岭土于620-780℃煅烧3-5小时，冷却加入锡酸镁、吗啉研磨35-45分钟，烘干制得改性高岭土；
步骤（2）：将步骤（1）制得的改性高岭土置入等离子体装置的下电极介质上，电压18kV，电流1.8mA、间隙3mm的操作条件下照射15～25秒；
步骤（3）：将尼龙6T在80℃真空干燥箱干燥24h后与步骤（2）获得的改性高岭土、抗铜剂、乙撑双硬脂酸酰胺一起投入高混机搅拌至均匀，再加入到挤出机中混炼造粒；
步骤（4）：将碳纤维投入环氧树脂乳液中浸泡4-8小时，烘干粉碎过100-200目筛，加入乙烯基三（-甲氧基乙氧基）硅烷、邻苯二甲酸二甲酯分散研磨30-50分钟，得到硅烷复合剂；
步骤（5）：将步骤（4）制得的硅烷复合剂置入等离子体装置的下电极介质上，电压12kV，电流1.2mA、间隙2mm的操作条件下照射5～15秒；
步骤（6）：将高密度聚乙烯、乙烯-四氟乙烯共聚物投入高混机，加入步骤（5）获得的硅烷复合剂，搅拌均匀，加入步骤（3）物料及其他剩余成分混合搅拌均匀，再经热压风冷后，放入单螺杆挤出机挤出成片，将试片放入80℃水浴中交联6-8小时，出料。
本发明与现有技术相比较，本发明的实施效果如下：
本发明提供了一种耐高温强度高的硅烷交联聚乙烯电缆料及其制作方法，本发明加工成型的电缆料具有良好的耐磨性、耐腐蚀性和机械抗弯曲性能，通过电极诱导处理，使得分子的选择透过性极高，进而消除了电缆料本体内存在的内应力，且制备工艺简单，实现了节约成本与减少劳动强度，满足实际使用要求。
附注：本发明制得的电缆料还具极优良的耐紫外光、耐臭氧及耐化学特性、及抗张强度及断裂延伸率大。
具体实施方式
下面将结合具体的实施例来说明本发明的内容。
实施例1：
一种耐高温强度高的硅烷交联聚乙烯电缆料，由下列重量份的原料制成：高密度聚乙烯65-75份、乙烯-四氟乙烯共聚物20-30份、尼龙6T16-18、抗铜剂0.1-0.2份、异辛酸锌1.5-2.5份、油酸钙2.2-2.6份、聚乙二醇2-4份、水滑石1.4-2.0份、硅溶胶4-6份、吗啉4-8份、乙撑双硬脂酸酰胺3.4-4.6份、邻苯二甲酸二甲酯3.6-5.8、乙烯基三（β-甲氧基乙氧基）硅烷12-16份、食盐1-2份、锡酸镁2-4份、碳纤维3-5份、高岭土12-14、环氧树脂乳液32-42份、碳化硅3-5份、阻燃剂1-3份、水适量。
其中，所述耐高温强度高的硅烷交联聚乙烯电缆料的制作方法包括以下步骤：
步骤（1）：将高岭土于620-780℃煅烧3-5小时，冷却加入锡酸镁、吗啉研磨35-45分钟，烘干制得改性高岭土；
步骤（2）：将步骤（1）制得的改性高岭土置入等离子体装置的下电极介质上，电压18kV，电流1.8mA、间隙3mm的操作条件下照射15～25秒；
步骤（3）：将尼龙6T在80℃真空干燥箱干燥24h后与步骤（2）获得的改性高岭土、抗铜剂、乙撑双硬脂酸酰胺一起投入高混机搅拌至均匀，再加入到挤出机中混炼造粒；
步骤（4）：将碳纤维投入环氧树脂乳液中浸泡4-8小时，烘干粉碎过100-200目筛，加入乙烯基三（-甲氧基乙氧基）硅烷、邻苯二甲酸二甲酯分散研磨30-50分钟，得到硅烷复合剂；
步骤（5）：将步骤（4）制得的硅烷复合剂置入等离子体装置的下电极介质上，电压12kV，电流1.2mA、间隙2mm的操作条件下照射5～15秒；
步骤（6）：将高密度聚乙烯、乙烯-四氟乙烯共聚物投入高混机，加入步骤（5）获得的硅烷复合剂，搅拌均匀，加入步骤（3）物料及其他剩余成分混合搅拌均匀，再经热压风冷后，放入单螺杆挤出机挤出成片，将试片放入80℃水浴中交联6-8小时，出料。
本发明加工成型的电缆料具有良好的耐磨性、耐腐蚀性和机械抗弯曲性能，通过电极诱导处理，使得分子的选择透过性极高，进而消除了电缆料本体内存在的内应力，且制备工艺简单，实现了节约成本与减少劳动强度，满足实际使用要求。
附注：本发明制得的电缆料还具极优良的耐紫外光、耐臭氧及耐化学特性、及抗张强度及断裂延伸率大。
实施例2：
耐高温强度高的硅烷交联聚乙烯电缆料的制作方法：
可对本发明所述单螺杆挤出机挤出时设置温度段：加料段117℃，熔融段165℃，熔体输送段172-176℃，混炼段178℃，机头计量段180℃。
以上内容是结合具体的实施例对本发明所作的详细说明，不能认定本发明具体实施仅限于这些说明。对于本发明所属技术领域的技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明保护的范围。

Claims (2)

1.一种耐高温强度高的硅烷交联聚乙烯电缆料，其特征在于：由下列重量份的原料制成：高密度聚乙烯65-75份、乙烯-四氟乙烯共聚物20-30份、尼龙6T16-18、抗铜剂0.1-0.2份、异辛酸锌1.5-2.5份、油酸钙2.2-2.6份、聚乙二醇2-4份、水滑石1.4-2.0份、硅溶胶4-6份、吗啉4-8份、乙撑双硬脂酸酰胺3.4-4.6份、邻苯二甲酸二甲酯3.6-5.8、乙烯基三（β-甲氧基乙氧基）硅烷12-16份、食盐1-2份、锡酸镁2-4份、碳纤维3-5份、高岭土12-14、环氧树脂乳液32-42份、碳化硅3-5份、阻燃剂1-3份、水适量。
2.根据权利要求1所述一种耐高温强度高的硅烷交联聚乙烯电缆料的制作方法，其特征在于：所述制作方法包括以下步骤：
步骤（1）：将高岭土于620-780℃煅烧3-5小时，冷却加入锡酸镁、吗啉研磨35-45分钟，烘干制得改性高岭土；
步骤（2）：将步骤（1）制得的改性高岭土置入等离子体装置的下电极介质上，电压18kV，电流1.8mA、间隙3mm的操作条件下照射15～25秒；
步骤（3）：将尼龙6T在80℃真空干燥箱干燥24h后与步骤（2）获得的改性高岭土、抗铜剂、乙撑双硬脂酸酰胺一起投入高混机搅拌至均匀，再加入到挤出机中混炼造粒；
步骤（4）：将碳纤维投入环氧树脂乳液中浸泡4-8小时，烘干粉碎过100-200目筛，加入乙烯基三（-甲氧基乙氧基）硅烷、邻苯二甲酸二甲酯分散研磨30-50分钟，得到硅烷复合剂；
步骤（5）：将步骤（4）制得的硅烷复合剂置入等离子体装置的下电极介质上，电压12kV，电流1.2mA、间隙2mm的操作条件下照射5～15秒；
步骤（6）：将高密度聚乙烯、乙烯-四氟乙烯共聚物投入高混机，加入步骤（5）获得的硅烷复合剂，搅拌均匀，加入步骤（3）物料及其他剩余成分混合搅拌均匀，再经热压风冷后，放入单螺杆挤出机挤出成片，将试片放入80℃水浴中交联6-8小时，出料。
CN201710457428.2A 2017-06-16 2017-06-16 一种耐高温强度高的硅烷交联聚乙烯电缆料及其制作方法 Pending CN107090116A (zh)

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CN111816231A (zh) * 2020-07-30 2020-10-23 中科院微电子研究所南京智能技术研究院 一种双-6t sram结构的存内计算装置

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Publication number Priority date Publication date Assignee Title
CN104829909A (zh) * 2015-04-21 2015-08-12 蚌埠天光传感器有限公司 一种耐高温强度高的硅烷交联聚乙烯电缆料及其制作方法

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CN104829909A (zh) * 2015-04-21 2015-08-12 蚌埠天光传感器有限公司 一种耐高温强度高的硅烷交联聚乙烯电缆料及其制作方法

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* Cited by examiner, † Cited by third party
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CN111816231A (zh) * 2020-07-30 2020-10-23 中科院微电子研究所南京智能技术研究院 一种双-6t sram结构的存内计算装置
CN111816231B (zh) * 2020-07-30 2023-08-11 中科南京智能技术研究院 一种双-6t sram结构的存内计算装置

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