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 PDF

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CN103724772B
CN103724772B CN201310702410.6A CN201310702410A CN103724772B CN 103724772 B CN103724772 B CN 103724772B CN 201310702410 A CN201310702410 A CN 201310702410A CN 103724772 B CN103724772 B CN 103724772B
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temperature resistant
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cable jacket
butene
vinyl acetate
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CN103724772A (zh
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叶朝根
姚伟
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ANHUI TELI CABLE CO LTD
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • 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
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
    • H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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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

一种耐低温改性聚乙烯电缆护套料
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。
CN201310702410.6A 2013-12-19 2013-12-19 一种耐低温改性聚乙烯电缆护套料 Expired - Fee Related CN103724772B (zh)

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