CN103554643A - 一种耐冲击汽车线束用改性eva绝缘料 - Google Patents

一种耐冲击汽车线束用改性eva绝缘料 Download PDF

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CN103554643A
CN103554643A CN201310525615.1A CN201310525615A CN103554643A CN 103554643 A CN103554643 A CN 103554643A CN 201310525615 A CN201310525615 A CN 201310525615A CN 103554643 A CN103554643 A CN 103554643A
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parts
eva
wire harness
insulating material
density polyethylene
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琚克刚
柳彬盛
高大俊
周玉献
罗杰
琚一雄
刘鹏
张燕
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Hefei Deren Electronic Devices Co Ltd
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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
    • C08L23/08Copolymers of ethene
    • C08L23/0846Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C08L23/0853Vinylacetate
    • 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
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    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide
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    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/20Applications use in electrical or conductive gadgets
    • C08L2203/202Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00Properties characterising the ingredient of the composition
    • C08L2207/06Properties of polyethylene
    • C08L2207/066LDPE (radical process)

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Abstract

本发明涉及一种线束用绝缘材料,具体涉及一种耐冲击汽车线束用改性EVA绝缘料,该材料包含以下重量份的原料:EVA34-37,低密度聚乙烯7-9,邻苯二甲酸二辛酯24-26,硬脂酸钙3-4,纳米碳酸钙25-35,促进剂TMTD1-2,季戊四醇硬脂酸酯4-5,磷酸三甲苯酯3-4,柠檬酸1-2,氧化锌3-4,硬脂酸3-5,促进剂TMTD1-2,二乙烯基三胺0.4-0.7,水滑石粉4-6,助剂14-16;该绝缘材料结合了EVA、低密度聚乙烯等原料的优点,制备的材料柔韧耐冲击,耐老化,耐臭氧,化学稳定性好,使用寿命长,安全可靠,能够广泛的用于制作汽车各部位线束的绝缘护套、端子以及包扎材料等等,市场需求前景广阔。

Description

一种耐冲击汽车线束用改性EVA绝缘料
技术领域
本发明涉及一种线束用绝缘材料,具体涉及一种耐冲击汽车线束用改性EVA绝缘料及其制备方法。
背景技术
汽车线束是汽车电路的网络主体,连接汽车各部分电子元件,其作用至关重要,线束的质量直接关系到汽车的质量,而在线束生产的第一步就是选取线束材料,线束材料直接决定了线束的质量,汽车线束材料主要包括电线、端子、护套、胶带等,在实际应用时,应根据不同汽车部位线束的工作环境及性能要求,选择合适材质的线束材料,传统的线束用绝缘材料多存在阻燃性差、高温易变形、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,急需改变原有配方,改进材料性能,以适应汽车电子器件市场多样的需求。发明内容
本发明的目的在于,提供一种耐冲击汽车线束用改性EVA绝缘料,提升了传统聚苯乙烯材料的性能,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:
一种耐冲击汽车线束用改性EVA绝缘料,其特征在于,该线束用高分子材料包含以下重量份的组分:EVA 34-37,低密度聚乙烯7-9,邻苯二甲酸二辛酯24-26,硬脂酸钙3-4,纳米碳酸钙25-35,促进剂TMTD 1-2,季戊四醇硬脂酸酯4-5,磷酸三甲苯酯3-4,柠檬酸1-2,氧化锌3-4,硬脂酸3-5,促进剂TMTD 1-2,二乙烯基三胺0.4-0.7,水滑石粉4-6,助剂14-16。
所述的助剂包含以下重量份的原料:天青石20-24,交联剂TAC 3-4,三羟甲基丙烷三丙烯酸酯2-3,四乙烯五胺2-3,纳米二氧化钛1-2,三氧化二锑2-3,防焦剂CTP 1-2,甲基三乙氧基硅烷1-2,2-硫醇基苯骈咪唑1-2,刚玉粉2-3,双巯基乙酸异辛酯二正辛基锡1-2,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。
所述的一种耐冲击汽车线束用改性EVA绝缘料,其制备方法为:将EVA、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80-120℃下捏合8-10min,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。
本发明结合了EVA、低密度聚乙烯等原料的优点,提升了传统EVA、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,制备的材料柔韧耐冲击,耐老化,耐臭氧,化学稳定性好,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:EVA 35,低密度聚乙烯9,邻苯二甲酸二辛酯25,硬脂酸钙4,纳米碳酸钙35,促进剂TMTD 2,季戊四醇硬脂酸酯5,磷酸三甲苯酯4,柠檬酸2,氧化锌4,硬脂酸5,促进剂TMTD 2,二乙烯基三胺0.6,水滑石粉5,助剂15。
所述的助剂包含以下重量份的原料:天青石24,交联剂TAC 4,三羟甲基丙烷三丙烯酸酯3,四乙烯五胺3,纳米二氧化钛2,三氧化二锑2,防焦剂CTP 2,甲基三乙氧基硅烷2,2-硫醇基苯骈咪唑2,刚玉粉3,双巯基乙酸异辛酯二正辛基锡2,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1.5小时,即得。
所述的一种耐冲击汽车线束用改性EVA绝缘料,其制备方法为:将EVA、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110℃下捏合8min,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18.3Mpa,断裂伸长率为420%,经IRM902油90℃×70h处理后,拉伸强度和断裂伸长率分别为17.4 Mpa、392%,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97.4%,20℃体积电阻率为9.4×1013Ω·m,冲击脆化温度达到-38℃,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0.0025%,经过80℃甲苯溶剂浸泡7天后,无明显溶胀和开裂现象,在25℃×30h、臭氧浓度0.025-0.030%条件下,无裂纹出现。

Claims (2)

1.一种耐冲击汽车线束用改性EVA绝缘料,其特征在于,该绝缘料由以下重量份的原料组成:EVA 34-37,低密度聚乙烯7-9,邻苯二甲酸二辛酯24-26,硬脂酸钙3-4,纳米碳酸钙25-35,促进剂TMTD 1-2,季戊四醇硬脂酸酯4-5,磷酸三甲苯酯3-4,柠檬酸1-2,氧化锌3-4,硬脂酸3-5,促进剂TMTD 1-2,二乙烯基三胺0.4-0.7,水滑石粉4-6,助剂14-16;
所述的助剂包含以下重量份的原料:天青石20-24,交联剂TAC 3-4,三羟甲基丙烷三丙烯酸酯2-3,四乙烯五胺2-3,纳米二氧化钛1-2,三氧化二锑2-3,防焦剂CTP 1-2,甲基三乙氧基硅烷1-2,2-硫醇基苯骈咪唑1-2,刚玉粉2-3,双巯基乙酸异辛酯二正辛基锡1-2,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所述的一种耐冲击汽车线束用改性EVA绝缘料,其制作工艺为:将EVA、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80-120℃下捏合8-10min,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。
CN201310525615.1A 2013-10-31 2013-10-31 一种耐冲击汽车线束用改性eva绝缘料 Pending CN103554643A (zh)

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CN105694392A (zh) * 2016-03-19 2016-06-22 孟根森 多功能电力电子用电缆
CN108976587A (zh) * 2018-07-26 2018-12-11 温州佳宏百丽科技有限公司 一种运动时使用的吸汗眼镜腿及其制备方法
CN111710464A (zh) * 2020-07-10 2020-09-25 无锡市华美电缆有限公司 耐高温高压电缆及制备方法

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CN111710464A (zh) * 2020-07-10 2020-09-25 无锡市华美电缆有限公司 耐高温高压电缆及制备方法

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Application publication date: 20140205