CN103724772B - 一种耐低温改性聚乙烯电缆护套料 - Google Patents
一种耐低温改性聚乙烯电缆护套料 Download PDFInfo
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Abstract
本发明涉及一种电缆料,具体涉及一种耐低温改性聚乙烯电缆护套料,该材料包含以下重量份的原料:低密度聚乙烯34-38,聚醋酸乙烯5-8,聚1-丁烯20-23,炉渣粉6-8,沸石粉10-15,碳酸镁4-5,3-氨丙基三甲氧基硅烷3-4,促进剂TETD?1-2,促进剂CBS?0.5-1.5,硅烷偶联剂KH550?1-2,2-硫醇基苯骈咪唑1-2,纳米二氧化硅6-9,菜籽油12-15,促进剂TMTD?1.3-1.7,柠檬酸三丁酯13-17,助剂14-16;该绝缘材料结合了低密度聚乙烯、聚1-丁烯、聚醋酸乙烯等原料的优点,制备的材料柔韧耐磨,耐低温开裂,耐化学腐蚀,绝缘性良好,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,具体涉及一种耐低温改性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,提供一种耐低温改性聚乙烯电缆护套料,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:
一种耐低温改性聚乙烯电缆护套料,其特征在于,本发明材料包含以下重量份的组分:低密度聚乙烯34-38,聚醋酸乙烯5-8,聚1-丁烯20-23,炉渣粉6-8,沸石粉10-15,碳酸镁4-5,3-氨丙基三甲氧基硅烷3-4,促进剂TETD1-2,促进剂CBS0.5-1.5,硅烷偶联剂KH5501-2,2-硫醇基苯骈咪唑1-2,纳米二氧化硅6-9,菜籽油12-15,促进剂TMTD1.3-1.7,柠檬酸三丁酯13-17,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。
所述的一种耐低温改性聚乙烯电缆护套料,其制备方法为:将低密度聚乙烯、聚1-丁烯、聚醋酸乙烯共混均匀后,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。
本发明结合了低密度聚乙烯、聚1-丁烯、聚醋酸乙烯等原料的优点,提升了传统聚乙烯共混材料的性能,使其具有良好的加工性能和力学性能,制备的材料柔韧耐磨,耐低温开裂,耐化学腐蚀,绝缘性良好,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:低密度聚乙烯38,聚醋酸乙烯8,聚1-丁烯23,炉渣粉8,沸石粉15,碳酸镁5,3-氨丙基三甲氧基硅烷4,促进剂TETD2,促进剂CBS1.5,硅烷偶联剂KH5502,2-硫醇基苯骈咪唑2,纳米二氧化硅8,菜籽油15,促进剂TMTD1.5,柠檬酸三丁酯16,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。
所述的一种耐低温改性聚乙烯电缆护套料,其制备方法为:将低密度聚乙烯、聚1-丁烯、聚醋酸乙烯共混均匀后,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17.3Mpa,断裂伸长率为425%,经IRM902油90℃×70h处理后,拉伸强度和断裂伸长率分别为16.8Mpa、397%,经136℃×168h热空气老化后,拉伸强度保持率97.5%,断裂伸长率保持率为98.3%,20℃体积电阻率为2.1×1014Ω·m,经过80℃甲苯溶剂浸泡7天后,无明显溶胀和开裂现象,在-60℃条件下弯曲后不开裂。
Claims (2)
1.一种耐低温改性聚乙烯电缆护套料,其特征在于,其由以下重量份的原料组成:低密度聚乙烯34-38,聚醋酸乙烯5-8,聚1-丁烯20-23,炉渣粉6-8,沸石粉10-15,碳酸镁4-5,3-氨丙基三甲氧基硅烷3-4,促进剂TETD1-2,促进剂CBS0.5-1.5,硅烷偶联剂KH5501-2,2-硫醇基苯骈咪唑1-2,纳米二氧化硅6-9,菜籽油12-15,促进剂TMTD1.3-1.7,柠檬酸三丁酯13-17,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所述的一种耐低温改性聚乙烯电缆护套料,其制作工艺为:将低密度聚乙烯、聚1-丁烯、聚醋酸乙烯共混均匀后,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。
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CN1508190A (zh) * | 2002-12-16 | 2004-06-30 | 吴荣泰 | 阻燃性树脂组成物 |
US20060208387A1 (en) * | 2003-04-14 | 2006-09-21 | Harald Zodl | Moulded bodies consisting of biological fibrous material and plastic |
CN101602870A (zh) * | 2009-07-08 | 2009-12-16 | 江苏中兴电缆有限公司 | 一种软性交联聚乙烯绝缘料 |
CN103351506A (zh) * | 2013-06-19 | 2013-10-16 | 安徽天星光纤通信设备有限公司 | 一种绝缘电缆料及其制备方法 |
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CN1508190A (zh) * | 2002-12-16 | 2004-06-30 | 吴荣泰 | 阻燃性树脂组成物 |
US20060208387A1 (en) * | 2003-04-14 | 2006-09-21 | Harald Zodl | Moulded bodies consisting of biological fibrous material and plastic |
CN101602870A (zh) * | 2009-07-08 | 2009-12-16 | 江苏中兴电缆有限公司 | 一种软性交联聚乙烯绝缘料 |
CN103351506A (zh) * | 2013-06-19 | 2013-10-16 | 安徽天星光纤通信设备有限公司 | 一种绝缘电缆料及其制备方法 |
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《聚合物/凹凸棒土纳米复合材料的研究进展》;伏芬琪等;《表面技术》;20061031;第35卷(第5期);第48-50页 * |
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