CN105969296A - 导电胶 - Google Patents
导电胶 Download PDFInfo
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Abstract
本发明公开了一种导电胶,原料组成为:甲基氢基聚硅氧烷100份,导电填料80‑100份,稀释剂10‑20份,促进剂5‑10份,醇类延迟剂1‑5份,硅氧烷偶联剂1‑5份,份数均为质量份数。本发明提供的导电胶中,采用甲基乙烯基聚硅氧烷混合物作为主料,通过设计特殊成分稳定剂和导电填料为镍粉、银粉、铜粉、铝粉,使得产品具有优质的性能,形成导电通路,使导电胶具有导电性,胶层中粒子间的稳定接触是由于导电胶固化或干燥造成的。
Description
技术领域
本发明涉及一种导电胶,属于LED硅胶技术领域。
背景技术
导电胶是一种固化或干燥后具有一定导电性能的胶黏剂,它通常以基体树脂和导电填料即导电粒子为主要组成成分, 通过基体树脂的粘接作用把导电粒子结合在一起, 形成导电通路, 实现被粘材料的导电连接。由于导电胶的基体树脂是一种胶黏剂, 可以选择适宜的固化温度进行粘接, 同时, 由于电子元件的小型化、微型化及印刷电路板的高密度化和高度集成化的迅速发展, 而导电胶可以制成浆料, 实现很高的线分辨率。而且导电胶工艺简单, 易于操作, 可提高生产效率,所以导电胶是替代铅锡焊接, 实现导电连接的理想选择。
发明内容
目的:为解决现有技术的不足,本发明提供一种导电胶。
技术方案:为解决上述技术问题,本发明采用的技术方案为:
一种导电胶,其原料组成为:甲基氢基聚硅氧烷100份,导电填料 80-100份,稀释剂10-20份,促进剂5-10份,醇类延迟剂1-5份,硅氧烷偶联剂1-5份,份数均为质量份数。
作为优选方案,所述的导电胶,其特征在于,其原料组成为:甲基氢基聚硅氧烷100份,导电填料 90份,稀释剂15份,促进剂8份,醇类延迟剂3份,硅氧烷偶联剂3份,份数均为质量份数。
作为优选方案,所述的导电胶,其特征在于:所述促进剂为改性胺类或改性咪唑类促进剂。
作为优选方案,所述的导电胶,其特征在于:所述醇类延迟剂选用1-乙烯基环己醇。
作为优选方案,所述的导电胶的使用方法,其特征在于:所述导电填料为镍粉、银粉、铜粉、铝粉中的一种或几种。
有益效果:本发明提供的导电胶中,采用甲基乙烯基聚硅氧烷混合物作为主料,通过设计特殊成分稳定剂和导电填料为镍粉、银粉、铜粉、铝粉,使得产品具有优质的性能,形成导电通路,使导电胶具有导电性,胶层中粒子间的稳定接触是由于导电胶固化或干燥造成的。导电胶在固化或干燥前,导电粒子在胶粘剂中是分离存在的,相互间没有连续接触,因而处于绝缘状态。导电胶固化或干燥后,由于溶剂的挥发和胶粘剂的固化而引起胶粘剂体积的收缩,使导电粒子相互间呈稳定的连续状态,因而表现出导电性。具有良好的导电性,其寿命比一般的双面贴纸长,常温下可工作最低5年。可广泛应用于电子电器,LED照明,五金行业,印刷行业等其他制造行业。
具体实施方式
下面结合实例对本发明做具体说明:
实施例1:一种导电胶,组成如下:
甲基氢基聚硅氧烷100份,导电填料 80份,稀释剂10份,促进剂5-10份,醇类延迟剂1份,硅氧烷偶联剂1份,份数均为质量份数。
实施例2:一种导电胶,组成如下:
甲基氢基聚硅氧烷100份,导电填料 90份,稀释剂15份,促进剂8份,醇类延迟剂3份,硅氧烷偶联剂3份,份数均为质量份数。
实施例3:一种导电胶,组成如下:
甲基氢基聚硅氧烷100份,导电填料 100份,稀释剂20份,促进剂10份,醇类延迟剂5份,硅氧烷偶联剂5份,份数均为质量份数。
以上实施例得到的产品,经过实验测试:本发明提供的导电胶中,采用甲基乙烯基聚硅氧烷混合物作为主料,通过设计特殊成分稳定剂和导电填料为镍粉、银粉、铜粉、铝粉,使得产品具有优质的性能,形成导电通路,使导电胶具有导电性,胶层中粒子间的稳定接触是由于导电胶固化或干燥造成的。导电胶在固化或干燥前,导电粒子在胶粘剂中是分离存在的,相互间没有连续接触,因而处于绝缘状态。导电胶固化或干燥后,由于溶剂的挥发和胶粘剂的固化而引起胶粘剂体积的收缩,使导电粒子相互间呈稳定的连续状态,因而表现出导电性。具有良好的导电性,其寿命比一般的双面贴纸长,常温下可工作最低5年。可广泛应用于电子电器,LED照明,五金行业,印刷行业等其他制造行业。
以上已以较佳实施例公开了本发明,然其并非用以限制本发明,凡采用等同替换或者等效变换方式所获得的技术方案,均落在本发明的保护范围之内。
Claims (5)
1.一种导电胶,其原料组成为:甲基氢基聚硅氧烷100份,导电填料 80-100份,稀释剂10-20份,促进剂5-10份,醇类延迟剂1-5份,硅氧烷偶联剂1-5份,份数均为质量份数。
2.根据权利要求1所述的导电胶,其特征在于,其原料组成为:甲基氢基聚硅氧烷100份,导电填料 90份,稀释剂15份,促进剂8份,醇类延迟剂3份,硅氧烷偶联剂3份,份数均为质量份数。
3.根据权利要求1所述的导电胶,其特征在于:所述促进剂为改性胺类或改性咪唑类促进剂。
4.根据权利要求1所述的导电胶,其特征在于:所述醇类延迟剂选用1-乙烯基环己醇。
5.根据权利要求1-4任一项所述的导电胶的使用方法,其特征在于:所述导电填料为镍粉、银粉、铜粉、铝粉中的一种或几种。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107216850A (zh) * | 2017-06-20 | 2017-09-29 | 东莞市联洲知识产权运营管理有限公司 | 一种高导热高导电有机硅胶粘剂及其制备方法 |
CN111961436A (zh) * | 2020-08-11 | 2020-11-20 | 上海锐朗光电材料有限公司 | 一种光伏叠瓦组件有机硅导电胶及其制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101918505A (zh) * | 2008-01-17 | 2010-12-15 | E.I.内穆尔杜邦公司 | 导电粘合剂 |
CN102051153A (zh) * | 2009-11-10 | 2011-05-11 | 信越化学工业株式会社 | 硅氧烷基压敏粘合剂组合物和膜 |
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- 2016-06-27 CN CN201610473929.5A patent/CN105969296A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101918505A (zh) * | 2008-01-17 | 2010-12-15 | E.I.内穆尔杜邦公司 | 导电粘合剂 |
CN102051153A (zh) * | 2009-11-10 | 2011-05-11 | 信越化学工业株式会社 | 硅氧烷基压敏粘合剂组合物和膜 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107216850A (zh) * | 2017-06-20 | 2017-09-29 | 东莞市联洲知识产权运营管理有限公司 | 一种高导热高导电有机硅胶粘剂及其制备方法 |
CN111961436A (zh) * | 2020-08-11 | 2020-11-20 | 上海锐朗光电材料有限公司 | 一种光伏叠瓦组件有机硅导电胶及其制备方法 |
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