CN110218459A - 一种tpe绝缘材料 - Google Patents

一种tpe绝缘材料 Download PDF

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CN110218459A
CN110218459A CN201910456152.5A CN201910456152A CN110218459A CN 110218459 A CN110218459 A CN 110218459A CN 201910456152 A CN201910456152 A CN 201910456152A CN 110218459 A CN110218459 A CN 110218459A
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parts
tpe
insulating materials
fatty acid
acid amide
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刘建锋
刘坤瑜
陈健
张锐
孙建宇
王伟峰
闫俊桥
王卫星
刘永青
蔡建荣
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CHANGSHU ZHONGLIAN PHOTOELECTRICITY NEW STUFF CO LTD
Liaoning Sino German Cable Co Ltd
Ningxia Zhongsheng Cable Technology Co Ltd
Jiangsu Zhongli Group Co Ltd
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CHANGSHU ZHONGLIAN PHOTOELECTRICITY NEW STUFF CO LTD
Liaoning Sino German Cable Co Ltd
Ningxia Zhongsheng Cable Technology Co Ltd
Jiangsu Zhongli Group Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L53/00Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L53/02Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
    • C08L53/025Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C08L91/06Waxes
    • 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
    • H01B3/20Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances liquids, e.g. oils
    • H01B3/22Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances liquids, e.g. oils hydrocarbons
    • 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
    • H01B3/307Other macromolecular compounds
    • 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
    • H01B3/34Waxes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • 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
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
    • 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
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer 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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  • Medicinal Chemistry (AREA)
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  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
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Abstract

本发明公开了一种TPE绝缘材料,其包括以下重量份组分:聚丙烯12‑40份,聚氨酯8‑20份,SEBS20‑100份,碳酸钙4‑12份,白油50‑90份,抗氧剂0.2‑2份,相容剂0.4‑6份,脂肪酸酰胺0.1‑0.5份;本发明材料改善TPE材料的挤出流动性,使材料顺利脱模,材料成型时间缩短10%,大大提高生产效率;可以使填料、着色剂在母料中分散的均匀、连续,避免颜色出现色差;改善TPE材料中组分的分散均匀性,易于塑化,加工温度可降低20‑30℃,避免出现气泡缺陷;使用后会降低TPE材料的磨耗系数,可延长加工设备(辊筒等)的使用寿命。

Description

一种TPE绝缘材料
技术领域
本发明涉及一种TPE绝缘材料,该TPE绝缘材料用于电缆绝缘层、护套层。
背景技术
TPE材料是以SEBS为基料改性而得的一种复合材料,具有独特的弹性及触感,但是TPE材料本身不易加工,材料流动性差,而且组分中会充油,加入各种增塑剂和无机填料,所以生产出来的产品在使用时会出现冒油和增塑剂析出、电缆外观发白等问题。而且该材料对工艺要求较高,尽管采用专用的设备、螺杆,生产使用时还是会出现各种质量缺陷,尤其在薄壁绝缘结构挤出时,由于材料挤出厚度薄、材料的粘度大,流动性差,绝缘容易脱料,所以就需要导体进行预热并升高挤出加工的温度,提高材料的流动性和延展性。但是提高了材料的挤出流动性,绝缘又会出现气泡缺陷,而且颜色着色分布不均匀,会出现明显色差。
例如,材料厂家为改善TPE材料的缺陷,会在原材料配方中调整油和增塑剂等添加剂的比例,但是会降低TPE材料的成品性能指标,而且电缆使用中会出现发白、冒油等问题。
发明内容
本发明所要解决的技术问题是提供一种TPE绝缘材料,该TPE绝缘材料提高TPE的流动性且不影响材料的性能。
为解决上述技术问题,本发明的TPE绝缘材料包括以下重量份组分:
聚丙烯 12-40份
聚氨酯 8-20份
SEBS 20-100份
碳酸钙 4-12份
白油 50-90份
抗氧剂 0.2-2份
相容剂 0.4-6份
脂肪酸酰胺 0.1-0.5份。
脂肪酸酰胺(即脂肪酰胺,湖南长沙恒昌化工有限公司生产、销售,下同)加入后,为聚合物母体提供一个内在的润滑剂储存库,少量内润滑剂分子穿插于TPE聚合物分子链间,略削弱分子间的相互吸引力,在聚合物变形时,分子链间能够相互滑移和旋转,从而分子间内摩擦减小,溶体粘度降低,易于塑化。
由于脂肪酸酰胺(即脂肪酰胺)和TPE聚合物之间的相容性差,聚合物在螺杆内混合时,外润滑剂会迁移到TPE聚合物薄膜的表面,并在界面处定向排列,极性基团与金属结合,疏水端与聚合物结合,就会形成润滑层,且不容易挥发,从而有效的隔离邻近的薄膜层,大大提高了材料的挤出流动性,方便挤出时脱模。
由于脂肪酸酰胺(即脂肪酰胺)对填料和着色剂的浸润作用,可以使填料、着色剂在母料中分散的均匀、连续,有效的避免了颜色色差。
该材料具有优良的爽滑性和润滑性,可以有效降低材料与设备、材料与材料之间的摩擦力和附着力,延长设备的使用寿命,使TPE材料内部的着色剂分散连续均匀,加工速度和产品质量会得到大幅度提升。
与现有技术相比,本发明有益效果:
(1)改善TPE材料的挤出流动性,使材料顺利脱模,材料成型时间缩短10%,大大提高生产效率。
(2)可以使填料、着色剂在母料中分散的均匀、连续,避免颜色出现色差。
(3)改善TPE材料中组分的分散均匀性,易于塑化,加工温度可降低20-30℃,避免出现气泡缺陷。
(4)使用后会降低TPE材料的磨耗系数,可延长加工设备(辊筒等)的使用寿命。
具体实施方式
实施例1
聚丙烯 12份
聚氨酯 20份
SEBS 60份
碳酸钙 12份
白油 90份
抗氧剂 2份
相容剂 4份
脂肪酸酰胺 0.1份
将上述材料加入捏合机中混合(捏合机中捏合温度为100℃,捏合时间为10min),得到预混料,然后送入双螺杆挤出机中进行塑炼(双螺杆挤出机的塑炼加工温度为190℃,螺杆转速300r/min),切粒后得到TPE绝缘材料。
本实施例获得的TPE材料的挤出流动性好,材料脱模顺畅,填料、着色剂在母料中分散的均匀、连续,无色差;TPE材料中组分分散均匀,易于塑化,加工温度低,无气泡缺陷。
实施例2
聚丙烯 30份
聚氨酯 8份
SEBS 80份
碳酸钙 4份
白油 80份
抗氧剂 1份
相容剂 1份
脂肪酸酰胺 0.5份。
将上述材料加入捏合机中混合(捏合机中捏合温度为100℃,捏合时间为10min),得到预混料,然后送入双螺杆挤出机中进行塑炼(双螺杆挤出机的塑炼加工温度为190℃,螺杆转速300r/min),切粒后得到TPE绝缘材料。
本实施例获得的TPE材料的挤出流动性好,材料脱模顺畅,填料、着色剂在母料中分散的均匀、连续,无色差;TPE材料中组分分散均匀,易于塑化,加工温度低,无气泡缺陷。
实施例3
聚丙烯 40份
聚氨酯 15份
SEBS 100份
碳酸钙 8份
白油 50份
抗氧剂 0.3份
相容剂 6份
脂肪酸酰胺 0.3份。
将上述材料加入捏合机中混合(捏合机中捏合温度为100℃,捏合时间为10min),得到预混料,然后送入双螺杆挤出机中进行塑炼(双螺杆挤出机的塑炼加工温度为190℃,螺杆转速300r/min),切粒后得到TPE绝缘材料。
本实施例获得的TPE材料的挤出流动性好,材料脱模顺畅,填料、着色剂在母料中分散的均匀、连续,无色差;TPE材料中组分分散均匀,易于塑化,加工温度低,无气泡缺陷。
上述实施例不以任何方式限制本发明,凡是采用等同替换或等效变换的方式获得的技术方案均落在本发明的保护范围内。

Claims (1)

1.一种TPE绝缘材料,其特征在于包括以下重量份组分:
CN201910456152.5A 2019-05-29 2019-05-29 一种tpe绝缘材料 Pending CN110218459A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112908539A (zh) * 2021-05-09 2021-06-04 特变电工(德阳)电缆股份有限公司 一种海上风电用高寿命周期抗扭转电缆

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CN105907019A (zh) * 2016-04-27 2016-08-31 安徽中鼎橡塑制品有限公司 用于电线电缆的无卤阻燃热塑性弹性体材料及其制备方法

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CN1486243A (zh) * 2001-01-08 2004-03-31 ���ع��ʹ�˾ 用于可流动物质容器的端口管及密封件构成、结构和组件
CN101255262A (zh) * 2008-04-01 2008-09-03 宁波一舟塑胶有限公司 可与尼龙包覆粘结的热塑性弹性体
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CN105367987A (zh) * 2015-11-26 2016-03-02 中广核俊尔新材料有限公司 一种低散发低气味热塑性弹性体及其制备方法
CN105907019A (zh) * 2016-04-27 2016-08-31 安徽中鼎橡塑制品有限公司 用于电线电缆的无卤阻燃热塑性弹性体材料及其制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112908539A (zh) * 2021-05-09 2021-06-04 特变电工(德阳)电缆股份有限公司 一种海上风电用高寿命周期抗扭转电缆

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Application publication date: 20190910