CN103756168B - 一种抗冲击耐油阻燃改性氯化聚乙烯电缆护套料 - Google Patents

一种抗冲击耐油阻燃改性氯化聚乙烯电缆护套料 Download PDF

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CN103756168B
CN103756168B CN201310702564.5A CN201310702564A CN103756168B CN 103756168 B CN103756168 B CN 103756168B CN 201310702564 A CN201310702564 A CN 201310702564A CN 103756168 B CN103756168 B CN 103756168B
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纪万昌
郭玉生
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ANHUI TELI SCIENCE & TECHNOLOGY Co Ltd
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    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
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    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
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Abstract

本发明涉及一种电缆料，具体涉及一种抗冲击耐油阻燃改性氯化聚乙烯电缆护套料，该材料包含以下重量份的原料：氯化聚乙烯23-25，EVA？12-14，松香酸聚氧乙烯酯1-2，硼砂1-2，氧化锌2-4，桐油12-13，对苯二酚1-2，SG-4型PVC树脂15-20，柠檬酸三乙酯16-18，N330碳黑23-26，2-硫醇基苯骈咪唑1-2，助剂14-16；该绝缘材料结合了氯化聚乙烯、EVA、PVC树脂等原料的优点，机械性能得到改善，制备的材料柔韧耐低温冲击，耐油渗透，耐候耐臭氧，阻燃，使用安全寿命长，能够广泛的用于制作各类电缆护套绝缘材料，市场需求前景广阔。

Description

一种抗冲击耐油阻燃改性氯化聚乙烯电缆护套料
技术领域
本发明涉及一种电缆料，具体涉及一种抗冲击耐油阻燃改性氯化聚乙烯电缆护套料及其制备方法。
背景技术
随着经济的发展，需要使用电缆的场所变得多样化，对电缆用护套材料的性能指标有了更加严格和多样的要求，比如绝缘性、拉伸强度、使用温度、阻燃性能等指标均有严格的要求，不断的提高护套材料的性能，是经济和社会发展的迫切需求，传统的护套材料多存在阻燃性差、化学稳定性差，高温易变形、力学性能差、使用寿命短等问题，给实际使用带来很多不便，甚至威胁到人们的生命财产安全，因此，急需改变原有护套材料配方，改进材料性能，以适应电缆市场多样的需求。
发明内容
本发明的目的在于，提供一种抗冲击耐油阻燃改性氯化聚乙烯电缆护套料，提升了传统聚氯乙烯共混材料的性能，使其具备良好的力学性能和加工性能，能够适应特定的使用环境条件，为了实现上述目的，本发明采用的技术方案如下：
一种抗冲击耐油阻燃改性氯化聚乙烯电缆护套料，其特征在于，本发明材料包含以下重量份的组分：氯化聚乙烯23-25，EVA12-14，松香酸聚氧乙烯酯1-2，硼砂1-2，氧化锌2-4，桐油12-13，对苯二酚1-2，SG-4型PVC树脂15-20，柠檬酸三乙酯16-18，N330碳黑23-26，2-硫醇基苯骈咪唑1-2，助剂14-16。
所述的助剂包含以下重量份的原料：天青石20-24，粘土20-24，1,6-己二异氰酸酯3-4，二缩三丙二醇二丙烯酸酯4-5，三聚磷酸钠5-6，聚四氟乙烯4-5，硅烷偶联剂KH-5502-3，氧化锌8-10，促进剂TMTD1-2，硬脂酸锌1-2，2，6-二叔丁基对甲酚1-2，花椒籽油1-2；制备方法是将天青石，粘土放入煅烧炉中在550-570℃下煅烧3-4小时，冷却，粉碎成50-100目后放入12-15%盐酸溶液中浸泡2-3小时，过滤出天青石，粘土粉末，清水洗净，烘干，粉碎成200-300目粉末，与其它剩余成分混合，研磨分散1-2小时，即得。
所述的一种抗冲击耐油阻燃改性氯化聚乙烯电缆护套料，其制备方法为：将氯化聚乙烯、EVA、SG-4型PVC树脂共混均匀后，加入其他剩余成分，送入高速捏合机中，在80-120℃下捏合6-15min，待捏合料冷却后，送入双螺杆挤出机造粒，即得本发明的绝缘材料。
本发明结合了氯化聚乙烯、EVA、SG-4型PVC树脂等原料的优点，提升了传统氯化聚乙烯共混材料的性能，使其具有良好的加工性能和机械性能，制备的材料柔韧耐低温冲击，耐油渗透，耐候耐臭氧，阻燃，使用寿命长，能够满足特定的使用环境条件，市场应用前景广阔。
具体实施方式
实施例
本实施例包含以下重量份的原料：氯化聚乙烯25，EVA14，松香酸聚氧乙烯酯2，硼砂2，氧化锌4，桐油13，对苯二酚2，SG-4型PVC树脂20，柠檬酸三乙酯18，N330碳黑25，2-硫醇基苯骈咪唑2，助剂15。
所述的助剂包含以下重量份的原料：天青石24，粘土24，1,6-己二异氰酸酯4，二缩三丙二醇二丙烯酸酯5，三聚磷酸钠6，聚四氟乙烯5，硅烷偶联剂KH-5503，氧化锌10，促进剂TMTD2，硬脂酸锌2，2，6-二叔丁基对甲酚2，花椒籽油2；制备方法是将天青石，粘土放入煅烧炉中在570℃下煅烧4小时，冷却，粉碎成100目后放入15%盐酸溶液中浸泡3小时，过滤出天青石，粘土粉末，清水洗净，烘干，粉碎成300目粉末，与其它剩余成分混合，研磨分散2小时，即得。
所述的一种抗冲击耐油阻燃改性氯化聚乙烯电缆护套料，其制备方法为：将氯化聚乙烯、EVA、SG-4型PVC树脂共混均匀后，加入其他剩余成分，送入高速捏合机中，在120℃下捏合12min，待捏合料冷却后，送入双螺杆挤出机造粒，即得本发明的绝缘材料。
本发明材料的性能测试结果为：拉伸强度为17.2Mpa，断裂伸长率为441%，经IRM902油90℃×70h处理后，拉伸强度和断裂伸长率分别为16.5Mpa、423%，经136℃×168h热空气老化后，拉伸强度保持率96.5%，断裂伸长率保持率为97.8%，20℃体积电阻率为2.3×1014Ω·m，经60℃的15%的NaCl溶液浸泡7天后，材料的吸液率为0.0012%，浸泡后体积电阻率变化率为0.002%，经过80℃甲苯溶剂浸泡7天后，无明显溶胀和开裂现象，冲击脆化温度达到-40℃，在臭氧浓度0.025%、26℃×20h的条件下，无开裂现象，在经1000小时的人工气候老化试验后，拉伸轻度变化率为29.1%，断裂伸长率变化率为28.6%，氧指数为40%。

Claims (2)

1.一种抗冲击耐油阻燃改性氯化聚乙烯电缆护套料，其特征在于，该电缆护套料由以下重量份的原料组成：氯化聚乙烯23-25，EVA12-14，松香酸聚氧乙烯酯1-2，硼砂1-2，氧化锌2-4，桐油12-13，对苯二酚1-2，SG-4型PVC树脂15-20，柠檬酸三乙酯16-18，N330碳黑23-26，2-硫醇基苯骈咪唑1-2，助剂14-16；
所述的助剂包含以下重量份的原料：天青石20-24，粘土20-24，1,6-己二异氰酸酯3-4，二缩三丙二醇二丙烯酸酯4-5，三聚磷酸钠5-6，聚四氟乙烯4-5，硅烷偶联剂KH-5502-3，氧化锌8-10，促进剂TMTD1-2，硬脂酸锌1-2，2，6-二叔丁基对甲酚1-2，花椒籽油1-2；制备方法是将天青石，粘土放入煅烧炉中在550-570℃下煅烧3-4小时，冷却，粉碎成50-100目后放入12-15%盐酸溶液中浸泡2-3小时，过滤出天青石，粘土粉末，清水洗净，烘干，粉碎成200-300目粉末，与其它剩余成分混合，研磨分散1-2小时，即得。
2.如权利要求1所述的一种抗冲击耐油阻燃改性氯化聚乙烯电缆护套料，其制作工艺为：将氯化聚乙烯、EVA、SG-4型PVC树脂共混均匀后，加入其他剩余成分，送入高速捏合机中，在80-120℃下捏合6-15min，待捏合料冷却后，送入双螺杆挤出机造粒，即得抗冲击耐油阻燃改性氯化聚乙烯电缆护套料。
CN201310702564.5A 2013-12-19 2013-12-19 一种抗冲击耐油阻燃改性氯化聚乙烯电缆护套料 Expired - Fee Related CN103756168B (zh)

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