CN106084434A - 一种母线槽用绝缘材料 - Google Patents

一种母线槽用绝缘材料 Download PDF

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CN106084434A
CN106084434A CN201610430448.6A CN201610430448A CN106084434A CN 106084434 A CN106084434 A CN 106084434A CN 201610430448 A CN201610430448 A CN 201610430448A CN 106084434 A CN106084434 A CN 106084434A
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唐效虎
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JIANGSU KAIXIN ELECTRIC EQUIPMENT Co Ltd
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    • 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
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    • C08L63/00Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • 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
    • H01B3/40Insulators 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 epoxy resins
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    • 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
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    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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    • C08L2205/00Polymer mixtures characterised by other features
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Abstract

本发明涉及一种母线槽用绝缘材料,所述绝缘材料由以下重量份的组分组成:玻纤填充聚丙烯10‑15份,聚烯烃弹性纤维10‑15份,乙烯‑醋酸乙烯酯20‑40份,环氧树脂20‑30份,固定剂10‑12份和无机物粉末填充料10‑20份。本发明的优点在于:本发明母线槽用绝缘材料,与传统绝缘材料相比,组分中的玻纤填充聚丙烯,进而可提高绝缘材料的拉伸强度;组分中的聚烯烃弹性纤维,在其微观分子结构中,主要由碳和氢两种元素组成,其化学键则由“C‑C”和“C‑H”单健组成;经交联组成的立体网状分子结构决定了MS纤维的完美化学稳定性,就像正四面体碳结构的钻石一样稳定,它能在常温下耐受强酸、强碱的长时间腐蚀而不变性;进而提高了绝缘材料的化学性能。

Description

一种母线槽用绝缘材料
技术领域
本发明涉及母线槽制造技术领域,特别涉及一种母线槽用绝缘材料。
背景技术
现有的母线槽一般使用环氧基聚合物树脂作为绝缘层,由于环氧树脂具有改进的绝热性能、强度和耐热性能,但是具有低的热传导性,在连接到基板的设备中产生的热量不能被有效地传递;因此,通过将具有改善的热传导性的无机填料加入树脂例如环氧树脂等中使散热基板提高热传导性。
市售的绝缘材料主要有两种形式,一种为F/P/F结构,即上层和下层为氟膜结构,中间层为聚对苯二甲酸乙二酯(PET)结构,另一种为EVA/PET/EVA结构;含氟的F/P/F结构,对电池不粘,需要额外垫乙烯—醋酸乙烯共聚物(EVA),并粘结不可靠;氟膜难加工,为了成膜,需要添加多种添加成分,一方面引入杂质导致绝缘性能相对降低,另一方面,因为小分子挥发,导致氟膜的多孔性。
针对上述现象,专利CN 104946028 A提出了一种母线槽用绝缘材料的包覆工艺,其中,绝缘材料按质量分数计包括:聚烯烃材料20-30份,乙烯-醋酸乙烯酯20-40份,环氧粉末30-50份,具有20W/mK以上的热传导系数和1-200µm的平均粒径的第一无机填料20-25份,具有小于10的相对介电常数和0.01-1µm的平均粒径的第二无机填料20-25份;但这种绝缘材料的耐化学性能一般,且拉伸强度较低。
因此,研发一种能够提高耐化学性能及增强拉伸强度的母线槽用绝缘材料是非常有必要的。
发明内容
本发明要解决的技术问题是提供一种能够提高耐化学性能及增强拉伸强度的母线槽用绝缘材料。
为解决上述技术问题,本发明的技术方案为:一种母线槽用绝缘材料,其创新点在于:所述绝缘材料由以下重量份的组分组成:玻纤填充聚丙烯10-15份,聚烯烃弹性纤维10-15份,乙烯-醋酸乙烯酯20-40份,环氧树脂20-30份,固定剂10-12份和无机物粉末填充料10-20份。
进一步地,所述固定剂为聚胺固化剂和双氰胺固化剂的混合物,其中,聚胺固化剂和双氰胺固化剂的质量比为1:1.3-1.7。
进一步地,所述无机物粉末填充料为轻质碳酸钙、碳黑或滑石粉。
本发明的优点在于:本发明母线槽用绝缘材料,与传统绝缘材料相比,组分中的玻纤填充聚丙烯,进而可提高绝缘材料的拉伸强度;组分中的聚烯烃弹性纤维是采用高科技变性聚烯烃材料作为原料生产的,经交联而形成的立体网络交联聚烯烃弹性纤维,在其微观分子结构中,主要由碳和氢两种元素组成,其化学键则由“C-C”和“C-H”单健组成;经交联组成的立体网状分子结构决定了MS纤维的完美化学稳定性,就像正四面体碳结构的钻石一样稳定,它能在常温下耐受强酸、强碱的长时间腐蚀而不变性;进而提高了绝缘材料的化学性能。
具体实施方式
下面的实施例可以使本专业的技术人员更全面地理解本发明,但并不因此将本发明限制在所述的实施例范围之中。
实施例1
本实施例母线槽用绝缘材料,该绝缘材料由以下重量份的组分组成:玻纤填充聚丙烯10份,聚烯烃弹性纤维15份,乙烯-醋酸乙烯酯40份,环氧树脂30份,聚胺固化剂5.2份、双氰胺固化剂6.8份和轻质碳酸钙20份。
本实施例母线槽用绝缘材料的拉伸强度为20MPa,使用温度较高,可在160℃使用,在常温下耐受强酸、强碱的长时间腐蚀而不变性。
实施例2
本实施例母线槽用绝缘材料,该绝缘材料由以下重量份的组分组成:玻纤填充聚丙烯10份,聚烯烃弹性纤维15份,乙烯-醋酸乙烯酯40份,环氧树脂30份,聚胺固化剂4.4份、双氰胺固化剂7.6份和轻质碳酸钙20份。
本实施例母线槽用绝缘材料的拉伸强度为21MPa,使用温度较高,可在158℃使用,在常温下耐受强酸、强碱的长时间腐蚀而不变性。
实施例3
本实施例母线槽用绝缘材料,该绝缘材料由以下重量份的组分组成:玻纤填充聚丙烯10份,聚烯烃弹性纤维15份,乙烯-醋酸乙烯酯40份,环氧树脂30份,聚胺固化剂4.8份、双氰胺固化剂7.2份和轻质碳酸钙20份。
本实施例母线槽用绝缘材料的拉伸强度为22MPa,使用温度较高,可在160℃使用,在常温下耐受强酸、强碱的长时间腐蚀而不变性。
实施例4
本实施例母线槽用绝缘材料,该绝缘材料由以下重量份的组分组成:玻纤填充聚丙烯15份,聚烯烃弹性纤维10份,乙烯-醋酸乙烯酯20份,环氧树脂20份,聚胺固化剂4份、双氰胺固化剂6份和轻质碳酸钙10份。
本实施例母线槽用绝缘材料的拉伸强度为21MPa,使用温度较高,可在159℃使用,在常温下耐受强酸、强碱的长时间腐蚀而不变性。
实施例5
本实施例母线槽用绝缘材料,该绝缘材料由以下重量份的组分组成:玻纤填充聚丙烯12份,聚烯烃弹性纤维13份,乙烯-醋酸乙烯酯30份,环氧树脂25份,聚胺固化剂4.4份、双氰胺固化剂5.6份和轻质碳酸钙15份。
本实施例母线槽用绝缘材料的拉伸强度为23MPa,使用温度较高,可在165℃使用,在常温下耐受强酸、强碱的长时间腐蚀而不变性。
实施例6
本实施例母线槽用绝缘材料,该绝缘材料由以下重量份的组分组成:玻纤填充聚丙烯12份,聚烯烃弹性纤维13份,乙烯-醋酸乙烯酯30份,环氧树脂25份,聚胺固化剂4.4份、双氰胺固化剂5.6份和碳黑15份。
本实施例母线槽用绝缘材料的拉伸强度为22MPa,使用温度较高,可在163℃使用,在常温下耐受强酸、强碱的长时间腐蚀而不变性。
实施例7
本实施例母线槽用绝缘材料,该绝缘材料由以下重量份的组分组成:玻纤填充聚丙烯12份,聚烯烃弹性纤维13份,乙烯-醋酸乙烯酯30份,环氧树脂25份,聚胺固化剂4.4份、双氰胺固化剂5.6份和滑石粉15份。
本实施例母线槽用绝缘材料的拉伸强度为21MPa,使用温度较高,可在163℃使用,在常温下耐受强酸、强碱的长时间腐蚀而不变性。
实施例1~7母线槽用绝缘材料进行比较,实施例5的性能最佳,因而实施例5为最佳实施例。
以上显示和描述了本发明的基本原理和主要特征以及本发明的优点。本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (3)

1.一种母线槽用绝缘材料,其特征在于:所述绝缘材料由以下重量份的组分组成:玻纤填充聚丙烯10-15份,聚烯烃弹性纤维10-15份,乙烯-醋酸乙烯酯20-40份,环氧树脂20-30份,固定剂10-12份和无机物粉末填充料10-20份。
2.根据权利要求1所述的母线槽用绝缘材料,其特征在于:所述固定剂为聚胺固化剂和双氰胺固化剂的混合物,其中,聚胺固化剂和双氰胺固化剂的质量比为1:1.3-1.7。
3.根据权利要求1所述的母线槽用绝缘材料,其特征在于:所述无机物粉末填充料为轻质碳酸钙、碳黑或滑石粉。
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Publication number Priority date Publication date Assignee Title
CN107629414A (zh) * 2017-10-17 2018-01-26 高昕文 一种母线槽用高强度阻燃树脂的制备方法
CN108963926A (zh) * 2018-06-06 2018-12-07 荣马电器有限公司 一种高强母线槽及其制备方法

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CN104448520A (zh) * 2014-11-17 2015-03-25 浙江万马高分子材料有限公司 一种聚烯烃绝缘料及其制备方法和用途
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CN105602175A (zh) * 2016-01-13 2016-05-25 浙江万马高分子材料有限公司 一种新型交联聚烯烃绝缘料及其制备方法和用途

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CN103554636A (zh) * 2013-10-24 2014-02-05 苏州市双鑫新材料科技有限公司 一种性能优异的电缆绝缘用材料的制备工艺
CN104448520A (zh) * 2014-11-17 2015-03-25 浙江万马高分子材料有限公司 一种聚烯烃绝缘料及其制备方法和用途
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107629414A (zh) * 2017-10-17 2018-01-26 高昕文 一种母线槽用高强度阻燃树脂的制备方法
CN107629414B (zh) * 2017-10-17 2019-08-23 江苏帅天电气有限公司 一种母线槽用高强度阻燃树脂的制备方法
CN108963926A (zh) * 2018-06-06 2018-12-07 荣马电器有限公司 一种高强母线槽及其制备方法
CN108963926B (zh) * 2018-06-06 2020-10-09 荣马电器有限公司 一种高强母线槽及其制备方法

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