CN103524839B - 一种高密度聚乙烯电缆护套料及其制备方法 - Google Patents

一种高密度聚乙烯电缆护套料及其制备方法 Download PDF

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CN103524839B
CN103524839B CN201310457970.XA CN201310457970A CN103524839B CN 103524839 B CN103524839 B CN 103524839B CN 201310457970 A CN201310457970 A CN 201310457970A CN 103524839 B CN103524839 B CN 103524839B
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density polyethylene
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cable sheath
sheath material
hdpe
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CN103524839A (zh
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毛方忠
吕红军
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Anhui Ming Dou Electric Power Cable Co Ltd
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    • CCHEMISTRY; METALLURGY
    • 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
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • H01B7/295Protection against damage caused by extremes of temperature or by flame using material resistant to flame
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/22Halogen free composition
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • 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
    • C08L2207/062HDPE

Abstract

本发明公开了一种高密度聚乙烯电缆护套料及其制备方法,其组成原料为:高密度聚乙烯、聚硫橡胶、改性玻璃纤维、纳米凹凸棒土、聚磷酸铵、不溶性硫磺、促进剂TMTD、交联剂TAIC、纳米混凝土渣粉末、抗氧剂1010、山梨醇酐单棕榈酸酯和偏苯三酸三辛酯;本发明采用高密度聚乙烯作为主料,具有低烟、无卤、阻燃、高机械强度、高绝缘电阻的特性,而且通过对补强剂玻璃纤维的微波和超声波改性处理,可以大大改善电缆护套料的强度,并采用聚磷酸铵为阻燃剂,阻燃效果明显。

Description

一种高密度聚乙烯电缆护套料及其制备方法
技术领域
本发明涉及一种高密度聚乙烯电缆护套料及其制备方法,属于电缆护套料制造领域。
背景技术
随着经济的迅速发展,电线电缆在各个行业、领域中都得到广泛的应用,电气火灾事故的频繁发生,电线电缆的阻燃问题逐渐引起世界各国的重视,电缆燃烧时释放出大量烟雾和有毒的、腐蚀性的气体是火灾中危险因素,在火灾中妨碍了人们的安全撤离和灭火工作,使生命财产遭到严重损失,同时随着通讯事业、汽车工业和计算机工业的发展,对电缆护套料的质量要求日益增加,本发明提供一种高密度聚乙烯电缆护套料及其制备方法。
发明内容
本发明的目的在于提供一种高密度聚乙烯电缆护套料及其制备方法。
为了实现上述目的,本发明采用如下技术方案:
高密度聚乙烯电缆护套料,其组成原料的重量份为:高密度聚乙烯40-50、聚硫橡胶35-40、改性玻璃纤维1.0-2.0、纳米凹凸棒土18-25、聚磷酸铵1.6-1.8、不溶性硫磺1.5-2.5、促进剂TMTD2.0-2.5、交联剂TAIC1.5-1.7、纳米混凝土渣粉末2.3-2.8、抗氧剂10100.9-1.1、山梨醇酐单棕榈酸酯0.7-0.9和偏苯三酸三辛酯1.2-1.5。
高密度聚乙烯电缆护套料,其组成原料的重量份为:高密度聚乙烯45、聚硫橡胶38、改性玻璃纤维1.5、纳米凹凸棒土22、聚磷酸铵1.7、不溶性硫磺2.0、促进剂TMTD2.2、交联剂TAIC1.6、纳米混凝土渣粉末2.5、抗氧剂10101.0、山梨醇酐单棕榈酸酯0.8和偏苯三酸三辛酯1.3。
高密度聚乙烯电缆护套料的制备方法,包括以下步骤:
(1)制备:将玻璃纤维放入大豆油中,取出沥干即得;
(2)按组成原料的重量份称取步骤(1)的改性玻璃纤维和其他剩余各原料,常温下低速搅拌10-12分钟,使得混合均匀,然后加入开炼机和密炼机或双螺杆挤出机混炼、造粒,控制温度145-165℃,得到成品。
本发明的有益效果:
本发明采用高密度聚乙烯作为主料,具有低烟、无卤、阻燃、高机械强度、高绝缘电阻的特性,而且通过对补强剂玻璃纤维的微波和超声波改性处理,可以大大改善电缆护套料的强度,并采用聚磷酸铵为阻燃剂,阻燃效果明显。
具体实施方式
实施例1:高密度聚乙烯电缆护套料,其组成原料的重量份(kg)为:高密度聚乙烯45、聚硫橡胶38、改性玻璃纤维1.5、纳米凹凸棒土22、聚磷酸铵1.7、不溶性硫磺2.0、促进剂TMTD2.2、交联剂TAIC1.6、纳米混凝土渣粉末2.5、抗氧剂10101.0、山梨醇酐单棕榈酸酯0.8和偏苯三酸三辛酯1.3。
高密度聚乙烯电缆护套料的制备方法,包括以下步骤:
(1)制备:将玻璃纤维放入大豆油中,取出沥干即得;
(2)按组成原料的重量份称取步骤(1)的改性玻璃纤维和其他剩余各原料,常温下低速搅拌11分钟,使得混合均匀,然后加入开炼机和密炼机或双螺杆挤出机混炼、造粒,控制温度155℃,得到成品。
通过本发明的实施例1制得的电缆料性能数据:
老化前抗张强度N/mm2:19.4;
老化前伸裂伸长率%:268;
老化前后断裂伸长率的变化率%:5.1;
断裂伸长率保留率%:319;氧指数:29.8;
体积电阻系数(Ω.cm)1016:3.87。

Claims (3)

1.一种高密度聚乙烯电缆护套料,其特征在于其组成原料的重量份为:高密度聚乙烯40-50、聚硫橡胶35-40、改性玻璃纤维1.0-2.0、纳米凹凸棒土18-25、聚磷酸铵1.6-1.8、不溶性硫磺1.5-2.5、促进剂TMTD2.0-2.5、交联剂TAIC1.5-1.7、纳米混凝土渣粉末2.3-2.8、抗氧剂10100.9-1.1、山梨醇酐单棕榈酸酯0.7-0.9和偏苯三酸三辛酯1.2-1.5。
2.根据权利要求1所述的高密度聚乙烯电缆护套料,其特征在于其组成原料的重量份为:高密度聚乙烯45、聚硫橡胶38、改性玻璃纤维1.5、纳米凹凸棒土22、聚磷酸铵1.7、不溶性硫磺2.0、促进剂TMTD2.2、交联剂TAIC1.6、纳米混凝土渣粉末2.5、抗氧剂10101.0、山梨醇酐单棕榈酸酯0.8和偏苯三酸三辛酯1.3。
3.一种如权利要求1所述的高密度聚乙烯电缆护套料的制备方法,其特征在于包括以下步骤:
(1)改性玻璃纤维制备:将玻璃纤维放入大豆油中,取出沥干即得;
(2)按组成原料的重量份称取步骤(1)的改性玻璃纤维和其他剩余各原料,常温下低速搅拌10-12分钟,使得混合均匀,然后加入开炼机和密炼机或双螺杆挤出机混炼、造粒,控制温度145-165℃,得到成品。
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CN105001499A (zh) * 2015-08-11 2015-10-28 国网山东省电力公司临沂供电公司 用于电力电缆保护层的耐腐蚀高分子材料
CN106188753A (zh) * 2016-07-21 2016-12-07 张翔 一种聚乙烯绝缘计算机电缆
CN108440814A (zh) * 2018-01-30 2018-08-24 昆明天磊线缆材料有限公司 一种125℃低烟无卤交联型聚烯烃线缆料制作方法

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CN102807700A (zh) * 2012-07-27 2012-12-05 苏州市兴吴工程塑胶有限公司 一种发泡聚乙烯塑料的配方
CN103265764A (zh) * 2013-05-24 2013-08-28 安徽长园智豪电力科技有限公司 一种氯磺化聚乙烯电缆护套料及其制备方法
CN103289280A (zh) * 2013-05-06 2013-09-11 安徽格林生态高分子材料技术有限公司 一种含有改性高密度聚乙烯的电缆护套料及其制备方法

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Publication number Priority date Publication date Assignee Title
CN102807700A (zh) * 2012-07-27 2012-12-05 苏州市兴吴工程塑胶有限公司 一种发泡聚乙烯塑料的配方
CN103289280A (zh) * 2013-05-06 2013-09-11 安徽格林生态高分子材料技术有限公司 一种含有改性高密度聚乙烯的电缆护套料及其制备方法
CN103265764A (zh) * 2013-05-24 2013-08-28 安徽长园智豪电力科技有限公司 一种氯磺化聚乙烯电缆护套料及其制备方法

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Denomination of invention: A high-density polyethylene cable sheath material and its preparation method

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