CN107805973B - 互感器线圈层间绝缘材料、改性环氧树脂及制备方法 - Google Patents
互感器线圈层间绝缘材料、改性环氧树脂及制备方法 Download PDFInfo
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Abstract
本申请公开了一种互感器线圈层间绝缘材料、改性环氧树脂及制备方法,该材料包括基材、以及形成于基材表面的改性环氧树脂层,该改性环氧树脂层材质按照重量份包括:0191环氧树脂:40~60份;E39D环氧树脂:10~20份;增韧剂:1~2份;促进剂:6~10份;甲基咪唑:2~4份;固化剂:4~10份。本发明材料使用方便,能够在模具温度传热状态下瞬间与导线粘接,在保证电气性能和机械性能前提下,大大保证了线圈绕制的合格率,提高了生产效率,降低了生产成本,对环境无污染。
Description
技术领域
本申请涉及一种速固化纤维纸,特别是涉及一种互感器线圈层间绝缘材料、改性环氧树脂及制备方法。
背景技术
现有中低压互感器线圈层间绝缘是采用两层II型电容器纸与薄膜复合而成的绝缘材料,因材料表面比较光滑,加上线圈使用的电磁线较细,最小直径为0.08mm,在绕制过程,线圈端面电磁线限位难以控制,易发生电磁线移位,松散和脱落;合格率较低不超过80%,导致产品质量不稳定,给互感器正常运行造成隐患。生产成本大幅增加,并且后续不合格品报废处理费用高,不利于环保。
发明内容
本发明的目的在于提供一种互感器线圈层间绝缘材料、改性环氧树脂及制备方法,以克服现有技术中的不足。
为实现上述目的,本发明提供如下技术方案:
本申请实施例公开一种互感器线圈层间绝缘材料,包括基材、以及形成于基材表面的改性环氧树脂层,该改性环氧树脂层材质按照重量份包括:
0191环氧树脂:40~60份;
E39D环氧树脂:10~20份;
增韧剂:1~2份;
促进剂:6~10份;
甲基咪唑:2~4份;
固化剂:4~10份。
优选的,在上述的互感器线圈层间绝缘材料中,所述基材包括两层电解电容器纸、以及复合于所述两层电解电容器纸之间的聚酯薄膜。
优选的,在上述的互感器线圈层间绝缘材料中,所述增韧剂采用HDY-090;促进剂采用DMP-30;固化剂采用JHB-591B。
相应的,本申请还公开了一种互感器线圈层间绝缘材料的制备方法,在基材的表面涂以改性环氧树脂层,在温度80℃~120℃烘焙而成。
优选的,在上述的互感器线圈层间绝缘材料的制备方法中,基材的制作方法包括:采用两层电解电容器纸由聚酯薄膜涂布胶粘剂粘合而成的三层复合材料,放入烘房中经90℃,48小时预固化处理。
本申请还公开了一种改性环氧树脂,按照重量份包括:
0191环氧树脂:40~60份;
E39D环氧树脂:10~20份;
增韧剂:1~2份;
促进剂:6~10份;
甲基咪唑:2~4份;
固化剂:4~10份。
优选的,在上述的改性环氧树脂中,所述增韧剂采用HDY-090;促进剂采用DMP-30;固化剂采用JHB-591B。
相应的,上述的改性环氧树脂的制备方法,按重量称取各组分,然后经反应釜聚合。
在上述的改性环氧树脂的制备方法中,聚合条件满足:按组份比例添加物料进行分散混合,加热至150℃~180℃恒温2~3小时,并在反应釜内通入氮气,待物料熔化后进行搅拌1小时至2小时后,开启冷却系统降温至90℃~120℃时抽取真空,待无馏出物时停止真空,冷却水;温度降至60℃~80℃时放出物料。
与现有技术相比,本发明的优点在于:本发明的材料用于中低压电压互感器线圈层间,该材料使用方便,能够在模具温度传热状态下瞬间与导线粘接,在保证电气性能和机械性能前提下,大大保证了线圈绕制的合格率,提高了生产效率,降低了生产成本,对环境无污染。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本申请中记载的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1所示为本发明具体实施例中获得的绝缘材料的结构示意图。
具体实施方式
本发明通过下列实施例作进一步说明:根据下述实施例,可以更好地理解本发明。然而,本领域的技术人员容易理解,实施例所描述的具体的物料比、工艺条件及其结果仅用于说明本发明,而不应当也不会限制权利要求书中所详细描述的本发明。
实施例1
结合图1所示,速固化纤维纸是采用两层电解电容器纸由聚酯薄膜涂布胶粘剂粘合而成的三层柔软复合材料,复合后放入烘房中经90℃,48小时预固化处理后;再双面涂以菱格状或圆形状特种改性中温环氧树脂经过温度80℃~120℃,20米/分钟烘焙而成。
本实施例中,改性中温环氧树脂其包含以下组分:0191环氧树脂:60份;E39D环氧树脂:18份;增韧剂HDY-090:1份;促进剂DMP-30:10份;甲基咪唑:2份;固化剂JHB-591B:9份,各组分混合后经反应釜聚合配制而成。
聚合条件满足:按组份比例添加物料进行分散混合,加热至150℃~180℃恒温2~3小时,并在反应釜内通入氮气2立方米/小时,待物料熔化后进行搅拌1小时至2小时后,开启循环水冷却系统降温至90℃~120℃时抽取真空,待无馏出物时停止真空,冷却水;温度降至60℃~80℃时放出物料以上述过程进行反应聚合。
所获得材料用于中低压电压互感器层间绝缘,在线圈绕制过程中通过线圈模具热传导,速固化纤维纸表面涂层能在2"时间内与电磁线粘接牢固,线圈端面、层面不会发生电磁线移位、松散和脱落现象。经过大量试验和应用在不影响互感器电气性能和机械性能的前提下,互感器线圈绕制合格率达到99.9%。大大降低中低压电压互感器的生产成本,提高了使用厂家的经济效益,并且对环境无污染有利于环保。
实施例2
其他条件和实施例1一致,改变改性中温环氧树脂组分。
改性中温环氧树脂其包含以下组分:0191环氧树脂:45份;E39D环氧树脂:20份;增韧剂HDY-090:2份;促进剂DMP-30:8份;甲基咪唑:4份;固化剂JHB-591B:10份,各组分混合后经反应釜聚合配制而成。
聚合条件满足:按组份比例添加物料进行分散混合,加热至150℃~180℃恒温2~3小时,并在反应釜内通入氮气2立方米/小时,待物料熔化后进行搅拌1小时至2小时后,开启循环水冷却系统降温至90℃~120℃时抽取真空,待无馏出物时停止真空,冷却水;温度降至60℃~80℃时放出物料以上述过程进行反应聚合。
实验可知,所获得材料用于中低压电压互感器层间绝缘,在线圈绕制过程中通过线圈模具热传导,速固化纤维纸表面涂层能在2"时间内与电磁线粘接牢固,线圈端面、层面不会发生电磁线移位、松散和脱落现象。
实施例3
其他条件和实施例1一致,改变改性中温环氧树脂组分。
改性中温环氧树脂其包含以下组分:0191环氧树脂:40份;E39D环氧树脂:10份;增韧剂HDY-090:2份;促进剂DMP-30:6份;甲基咪唑:3份;固化剂JHB-591B:4份,各组分混合后经反应釜聚合配制而成。
聚合条件满足:按组份比例添加物料进行分散混合,加热至150℃~180℃恒温2~3小时,并在反应釜内通入氮气2立方米/小时,待物料熔化后进行搅拌1小时至2小时后,开启循环水冷却系统降温至90℃~120℃时抽取真空,待无馏出物时停止真空,冷却水;温度降至60℃~80℃时放出物料以上述过程进行反应聚合。
实验可知,所获得材料用于中低压电压互感器层间绝缘,在线圈绕制过程中通过线圈模具热传导,速固化纤维纸表面涂层能在2"时间内与电磁线粘接牢固,线圈端面、层面不会发生电磁线移位、松散和脱落现象。
实施例4
其他条件和实施例1一致,改变改性中温环氧树脂组分。
改性中温环氧树脂其包含以下组分:0191环氧树脂:50份;E39D环氧树脂:18份;增韧剂HDY-090:1份;促进剂DMP-30:6份;甲基咪唑:4份;固化剂JHB-591B:8份,各组分混合后经反应釜聚合配制而成。
聚合条件满足:按组份比例添加物料进行分散混合,加热至150℃~180℃恒温2~3小时,并在反应釜内通入氮气2立方米/小时,待物料熔化后进行搅拌1小时至2小时后,开启循环水冷却系统降温至90℃~120℃时抽取真空,待无馏出物时停止真空,冷却水;温度降至60℃~80℃时放出物料以上述过程进行反应聚合。
实验可知,所获得材料用于中低压电压互感器层间绝缘,在线圈绕制过程中通过线圈模具热传导,速固化纤维纸表面涂层能在2"时间内与电磁线粘接牢固,线圈端面、层面不会发生电磁线移位、松散和脱落现象。
在此,还需要说明的是,为了避免因不必要的细节而模糊了本发明,在附图中仅仅示出了与根据本发明的方案密切相关的结构和/或处理步骤,而省略了与本发明关系不大的其他细节。
最后,还需要说明的是,术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含,从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素,而且还包括没有明确列出的其他要素,或者是还包括为这种过程、方法、物品或者设备所固有的要素。
Claims (2)
1.一种互感器线圈层间绝缘材料的制备方法,其特征在于:
互感器线圈层间绝缘材料,包括基材、以及形成于基材表面的改性环氧树脂层,所述基材包括两层电解电容器纸、以及复合于所述两层电解电容器纸之间的聚酯薄膜,所述改性环氧树脂层材质按照重量份包括:
0191环氧树脂:40~60份;
E39D环氧树脂:10~20份;
增韧剂:1~2份;
促进剂:6~10份;
甲基咪唑:2~4份;
固化剂:4~10份,
所述增韧剂采用HDY-090;促进剂采用DMP-30;固化剂采用JHB-591B,
互感器线圈层间绝缘材料的制备方法包括:在基材的表面涂以改性环氧树脂层,在温度80℃~120℃烘焙而成,所获得材料用于电压互感器层间绝缘,在线圈绕制过程中通过线圈模具热传导。
2.根据权利要求1所述的互感器线圈层间绝缘材料的制备方法,其特征在于:基材的制作方法包括:采用两层电解电容器纸由聚酯薄膜涂布胶粘剂粘合而成的三层复合材料,放入烘房中经60℃~90℃预固化处理48小时~60小时。
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CN104099051A (zh) * | 2014-07-04 | 2014-10-15 | 中国西电电气股份有限公司 | 一种环氧树脂胶粘剂 |
CN105931772A (zh) * | 2016-04-20 | 2016-09-07 | 南通日芝电力材料有限公司 | 环氧涂布纸生产方法 |
CN106833465A (zh) * | 2016-12-28 | 2017-06-13 | 江苏矽时代材料科技有限公司 | 一种低玻璃化转变温度电子产品用绝缘胶及其制备方法和应用 |
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CN104099051A (zh) * | 2014-07-04 | 2014-10-15 | 中国西电电气股份有限公司 | 一种环氧树脂胶粘剂 |
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