CN103881268A - 一种阻燃抗冲击改性pvc电缆护套料 - Google Patents
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Abstract
本发明涉及一种电缆料，具体涉及一种阻燃抗冲击改性PVC电缆护套料，该材料包含以下重量份的原料：PVC树脂24-28，聚1-丁烯21-23，低密度聚乙烯12-14，己二酸二辛酯14-15，环氧大豆油13-14，煅烧高岭土23-25，氢氧化铝6-9，硼酸锌4-5，硬脂酸钡2-3，硅烷偶联剂KH5502-3，三聚磷酸钠3-4，硼化钽1-2，促进剂DM1-2，氧化锌2-3，亚磷酸二甲酯4-5，促进剂D1.3-1.5，助剂14-16；该绝缘材料结合了PVC树脂、聚1-丁烯等原料的优点，制备的材料柔韧耐冲击，化学稳定性好，阻燃，抗气候老化开裂，使用安全可靠，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
技术领域
本发明涉及一种电缆料，具体涉及一种阻燃抗冲击改性PVC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，提供一种阻燃抗冲击改性PVC电缆护套料，提升了传统PVC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：
一种阻燃抗冲击改性PVC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：PVC树脂24-28，聚1-丁烯21-23，低密度聚乙烯12-14，己二酸二辛酯14-15，环氧大豆油13-14，煅烧高岭土23-25，氢氧化铝6-9，硼酸锌4-5，硬脂酸钡2-3，硅烷偶联剂KH550 2-3，三聚磷酸钠3-4，硼化钽1-2，促进剂DM 1-2，氧化锌2-3，亚磷酸二甲酯4-5，促进剂D 1.3-1.5，助剂14-16。
所述的助剂包含以下重量份的原料：天青石20-24，1,6-己二异氰酸酯3-4，二缩三丙二醇二丙烯酸酯2-3，促进剂DM 3-4，四氧化三铁1-2，聚四氟乙烯3-4，铁矿渣粉末6-8，氢氧化铝8-10，玉石2-3，硬脂酸钙1-2，乙烯基三乙氧基硅烷2-3，花椒籽油1-2；制备方法是将天青石，玉石放入煅烧炉中在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，玉石粉末，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。
所述的一种阻燃抗冲击改性PVC电缆护套料，其制备方法为：将PVC树脂、聚1-丁烯、低密度聚乙烯共混均匀后，加入其他剩余成分，送入高速捏合机中，在90-130℃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PVC树脂、聚1-丁烯、低密度聚乙烯等原料的优点，提升了传统PVC树脂共混材料的性能，使其具有良好的加工性能和机械性能，制备的材料柔韧耐冲击，化学稳定性好，阻燃，抗气候老化开裂，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：PVC树脂28，聚1-丁烯23，低密度聚乙烯14，己二酸二辛酯15，环氧大豆油14，煅烧高岭土25，氢氧化铝8，硼酸锌5，硬脂酸钡3，硅烷偶联剂KH550 3，三聚磷酸钠4，硼化钽2，促进剂DM 2，氧化锌3，亚磷酸二甲酯5，促进剂D 1.5，助剂15。
所述的助剂包含以下重量份的原料：天青石24，1,6-己二异氰酸酯4，二缩三丙二醇二丙烯酸酯3，促进剂DM 4，四氧化三铁2，聚四氟乙烯4，铁矿渣粉末8，氢氧化铝10，玉石3，硬脂酸钙2，乙烯基三乙氧基硅烷3，花椒籽油2；制备方法是将天青石，玉石放入煅烧炉中在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，玉石粉末，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。
所述的一种阻燃抗冲击改性PVC电缆护套料，其制备方法为：将PVC树脂、聚1-丁烯、低密度聚乙烯共混均匀后，加入其他剩余成分，送入高速捏合机中，在130℃下捏合10min，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17.7Mpa，断裂伸长率为428%，经IRM902油90℃×70h处理后，拉伸强度和断裂伸长率分别为16.5Mpa、397%，经136℃×168h热空气老化后，拉伸强度保持率97.2%，断裂伸长率保持率为97.6%，20℃体积电阻率为0.93×1014Ω·m，经60℃的15%的NaCl溶液浸泡7天后，材料的吸液率为0.0018%，浸泡后体积电阻率变化率为0.0023%，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-45℃，氧指数为43%，在经1000小时的人工气候老化试验后，拉伸轻度变化率为28.6%，断裂伸长率变化率为29.3%。
Claims (2)
1.一种阻燃抗冲击改性PVC电缆护套料，其特征在于，该绝缘料由以下重量份的原料组成：PVC树脂24-28，聚1-丁烯21-23，低密度聚乙烯12-14，己二酸二辛酯14-15，环氧大豆油13-14，煅烧高岭土23-25，氢氧化铝6-9，硼酸锌4-5，硬脂酸钡2-3，硅烷偶联剂KH550 2-3，三聚磷酸钠3-4，硼化钽1-2，促进剂DM 1-2，氧化锌2-3，亚磷酸二甲酯4-5，促进剂D 1.3-1.5，助剂14-16；
所述的助剂包含以下重量份的原料：天青石20-24，1,6-己二异氰酸酯3-4，二缩三丙二醇二丙烯酸酯2-3，促进剂DM 3-4，四氧化三铁1-2，聚四氟乙烯3-4，铁矿渣粉末6-8，氢氧化铝8-10，玉石2-3，硬脂酸钙1-2，乙烯基三乙氧基硅烷2-3，花椒籽油1-2；制备方法是将天青石，玉石放入煅烧炉中在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，玉石粉末，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所述的一种阻燃抗冲击改性PVC电缆护套料，其制作工艺为：将PVC树脂、聚1-丁烯、低密度聚乙烯共混均匀后，加入其他剩余成分，送入高速捏合机中，在90-130℃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。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104312047A (zh) * | 2014-10-31 | 2015-01-28 | 陕西煤业化工技术研究院有限责任公司 | 一种耐热抗冲聚氯乙烯-聚1-丁烯复合物及其制备方法 |
| CN109251386A (zh) * | 2018-07-02 | 2019-01-22 | 广东安普智信电气有限公司 | 抗冲击耐阻燃材料、制备方法及在电缆保护管中的应用 |
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| CN109251386A (zh) * | 2018-07-02 | 2019-01-22 | 广东安普智信电气有限公司 | 抗冲击耐阻燃材料、制备方法及在电缆保护管中的应用 |
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