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双组分和单组分的电子胶水有哪些区别

2024-08-02
2353

因为胶水有着比双面胶更好的粘结性能,现在的电子胶水主要通过粘附力和内聚力由表面粘合而起连接物体的作用,比如说手机触摸屏与中框粘结、手表屏幕镜片与中框粘结、手环后壳/底盖镜片的粘结、执法仪、对讲机、三防手机等的按键、屏幕镜片等等的粘结,常见的电子胶水有双组分和单组分的区别,那么双组分和单组分的电子胶水胶粘剂有哪些区别呢?

双组分和单组分的电子胶水有哪些区别呢?

一是两种电子胶水适用范围不一样;单组分电子胶水主要适用于弹性或软质材料类产品的粘接,双组分电子胶水广泛应用于电子元器件及工艺品、礼品的粘接固定,对于金属、玻璃、塑胶之间的封装粘接也有很好的粘接强度。

二是使用方式不同;单组份电子胶水一般都是湿气反应固化型的,胶水接触到空气中的湿气就会固化,双组份电子胶水胶黏剂,A剂是环氧树脂或者丙烯酸等,B剂是固化剂,当AB两组分混合以后就可以固化了。

三是固化效果不同;双组分电子胶水固化后粘接部位粘接强度高、抗冲击,耐震动,硬度较好,有较好的韧性、耐酸碱性能好,防潮防水、防油防尘性能佳,耐湿热以及具有良好的绝缘、抗压等电气及物理特性。单组分电子胶水固化速度快,并且固化物外观光滑细腻,无针孔,不开裂,密封性能相对比较好。

今年前7个月中国半导体设备进口额创新高
奥特维获得发明专利授权:“导电胶涂覆装置及叠片组件生产装置”
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