What kind of hot melt adhesive film products can be used for PI film with hot melt adhesive coating
Time:
2021-11-30 16:54
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Like me, many people may hear PI film with hot melt adhesive coating for the first time. They don’t know what it is, but everyone knows it. PI film is also called polyimide film, and its main component is polyamide. Imine, it is one of the films with good high temperature resistance and stability. PI film with hot melt adhesive coating is a kind of film widely used in the field of electronic products, and the color is usually brown and black. Those who have a certain understanding of hot melt adhesive film will consider using hot melt adhesive film for polyimide film PI film. So, what are the types of hot melt adhesive film for polyimide film PI film?
What kind of hot melt adhesive film can be used for PI film with hot melt adhesive coating
In fact, the types of hot melt adhesive films used for PI film with hot melt adhesive coating are PA and PES hot melt adhesive films. This is mainly because the materials of these two types of hot melt adhesive films, PA and PES, have a certain commonality to the polyimide PI film, so the adhesion is very strong and the effect is very good. Next, let's analyze it in detail.
The main component of PA hot melt adhesive film is copolyamide, which has certain commonalities with PI film with hot melt adhesive coating. Therefore, when using PA hot melt adhesive film (hot melt double-sided adhesive) to bond PI The viscosity of the film is very good, and the melting point of the PA hot melt adhesive film is relatively high, generally around 115℃-130℃, which is a high-temperature hot melt adhesive film. The use temperature is recommended to be 140-160℃, under high temperature It still has good viscosity and stability, which is also in line with the characteristics of PI film applications.
The main component of PES hot melt adhesive film is copolyester, which is also good for PI film with hot melt adhesive coating. The biggest feature of PES hot melt adhesive film is that it has excellent washing resistance, and it can maintain good adhesion even under water conditions, and the cost will be relatively lower, but the viscosity is better than PA hot melt adhesive The membrane is slightly worse.
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