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 PDFInfo
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- 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
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- 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
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- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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- C—CHEMISTRY; METALLURGY
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- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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
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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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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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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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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