CN103540132A - 一种耐候质轻改性低密度聚乙烯电缆护套料 - Google Patents

一种耐候质轻改性低密度聚乙烯电缆护套料 Download PDF

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CN103540132A
CN103540132A CN201310519308.2A CN201310519308A CN103540132A CN 103540132 A CN103540132 A CN 103540132A CN 201310519308 A CN201310519308 A CN 201310519308A CN 103540132 A CN103540132 A CN 103540132A
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谢华
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions 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
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/06Polyethene
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30Insulators 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
    • H01B3/44Insulators 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
    • H01B3/441Insulators 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
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    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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Abstract

本发明涉及一种电缆料,具体涉及一种耐候质轻改性低密度聚乙烯电缆护套料,该材料包含以下重量份的原料:不饱和聚酯亚胺13-17,聚丙烯腈4-6,低密度聚乙烯42-45,ABS高胶粉3-5,乙烯基甲苯3-5,邻苯二甲酸二烯丙酯15-18,过氧化二异丙苯1-2,氧化锌3-4,二甲基二巯基乙酸异辛酯锡1-2,高岭土粉20-22,3-氨丙基三甲氧基硅烷1-2,防老剂OD1-2,轻质碳酸钙15-18,防老剂40101-3,柠檬酸三丁酯18-21,助剂14-16;该绝缘材料结合了低密度聚乙烯、聚丙烯腈等原料的优点,制备的材料质地轻柔,机械性能良好,耐环境气候开裂,耐高温老化,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

一种耐候质轻改性低密度聚乙烯电缆护套料
技术领域
本发明涉及一种电缆料,具体涉及一种耐候质轻改性低密度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,提供一种耐候质轻改性低密度聚乙烯电缆护套料,提升了传统低密度聚乙烯共混材料的性能,使其具备良好的机械性能和加工性能,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:
一种耐候质轻改性低密度聚乙烯电缆护套料,其特征在于,本发明材料包含以下重量份的组分:不饱和聚酯亚胺13-17,聚丙烯腈4-6,低密度聚乙烯42-45,ABS高胶粉3-5,乙烯基甲苯3-5,邻苯二甲酸二烯丙酯15-18,过氧化二异丙苯1-2,氧化锌3-4,二甲基二巯基乙酸异辛酯锡1-2,高岭土粉20-22,3-氨丙基三甲氧基硅烷1-2,防老剂OD 1-2,轻质碳酸钙15-18,防老剂4010 1-3,柠檬酸三丁酯18-21,助剂14-16。
所述的助剂包含以下重量份的原料:天青石20-25,交联剂TAC 4-5,三羟甲基丙烷三丙烯酸酯2-3,促进剂TMTD 1-2,聚异丁烯2-3,铝酸酯偶联剂DL-411 1-2,二茂铁2-3,二盐基亚磷酸铅1-2,氮化铝粉2-3,纳米玉石粉2-3,丙烯酸甲酯2-3,花椒籽油1-2;制备方法是将天青石放入煅烧炉中在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。
所述的一种耐候质轻改性低密度聚乙烯电缆护套料,其制备方法为:将低密度聚乙烯、聚丙烯腈、ABS高胶粉共混均匀后,加入其他剩余成分,送入高速捏合机中,在100-130℃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。
本发明结合了低密度聚乙烯、聚丙烯腈、ABS高胶粉等原料的优点,提升了传统低密度聚乙烯共混材料的性能,具有良好的加工性能和机械性能,制备的材料强度高,柔韧性好,耐环境气候开裂,耐高温老化,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:不饱和聚酯亚胺15,聚丙烯腈6,低密度聚乙烯45,ABS高胶粉5,乙烯基甲苯5,邻苯二甲酸二烯丙酯18,过氧化二异丙苯2,氧化锌4,二甲基二巯基乙酸异辛酯锡2,高岭土粉22,3-氨丙基三甲氧基硅烷2,防老剂OD 2,轻质碳酸钙18,防老剂4010 3,柠檬酸三丁酯21,助剂15。
所述的助剂包含以下重量份的原料:天青石25,交联剂TAC 5,三羟甲基丙烷三丙烯酸酯3,促进剂TMTD 2,聚异丁烯3,铝酸酯偶联剂DL-411 2,二茂铁3,二盐基亚磷酸铅2,氮化铝粉3,纳米玉石粉3,丙烯酸甲酯3,花椒籽油2;制备方法是将天青石放入煅烧炉中在570℃下煅烧4小时,冷却,粉碎成80目后放入15%盐酸溶液中浸泡3小时,过滤出天青石粉末,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。
所述的一种耐候质轻改性低密度聚乙烯电缆护套料,其制备方法为:将低密度聚乙烯、聚丙烯腈、ABS高胶粉共混均匀后,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19.3Mpa,断裂伸长率为435%,经IRM902油90℃×70h处理后,拉伸强度和断裂伸长率分别为18.5Mpa、402%,经136℃×168h热空气老化后,拉伸强度保持率97.8%,断裂伸长率保持率为98.3%,能在100℃条件下长期稳定不变形,20℃体积电阻率为1.15×1014Ω·m,经60℃的15%的NaCl溶液浸泡7天后,材料的吸液率为0.0015%,浸泡后体积电阻率变化率为0.0021%,经过80℃甲苯溶剂浸泡7天后,无明显溶胀和开裂现象,在经1000小时的人工气候老化试验后,拉伸轻度变化率为28.6%,断裂伸长率变化率为28.5%。

Claims (2)

1.一种耐候质轻改性低密度聚乙烯电缆护套料,其特征在于,该绝缘料由以下重量份的原料组成:不饱和聚酯亚胺13-17,聚丙烯腈4-6,低密度聚乙烯42-45,ABS高胶粉3-5,乙烯基甲苯3-5,邻苯二甲酸二烯丙酯15-18,过氧化二异丙苯1-2,氧化锌3-4,二甲基二巯基乙酸异辛酯锡1-2,高岭土粉20-22,3-氨丙基三甲氧基硅烷1-2,防老剂OD 1-2,轻质碳酸钙15-18,防老剂4010 1-3,柠檬酸三丁酯18-21,助剂14-16;
所述的助剂包含以下重量份的原料:天青石20-25,交联剂TAC 4-5,三羟甲基丙烷三丙烯酸酯2-3,促进剂TMTD 1-2,聚异丁烯2-3,铝酸酯偶联剂DL-411 1-2,二茂铁2-3,二盐基亚磷酸铅1-2,氮化铝粉2-3,纳米玉石粉2-3,丙烯酸甲酯2-3,花椒籽油1-2;制备方法是将天青石放入煅烧炉中在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所述的一种耐候质轻改性低密度聚乙烯电缆护套料,其制作工艺为:将低密度聚乙烯、聚丙烯腈、ABS高胶粉共混均匀后,加入其他剩余成分,送入高速捏合机中,在100-130℃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。
CN201310519308.2A 2013-10-29 2013-10-29 一种耐候质轻改性低密度聚乙烯电缆护套料 Pending CN103540132A (zh)

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Application publication date: 20140129