Performance degradation characteristics of the aluminum layer of PI aluminum plated film under long-term illumination

Polyimide (PI) aluminum plated filmDue to its excellent optical performance and good electromagnetic shielding effect, it has been widely used in multiple fields. However, long-term exposure to light conditions may cause performance degradation of the aluminum layer. This article will explore the performance degradation characteristics of PI aluminum film aluminum layer under long-term light exposure, and mention the research achievements of Advanced Institute (Shenzhen) Technology Co., Ltd. in this field.

The Influence of Light on the Aluminum Layer of PI Aluminum Coating

Light exposure, especially ultraviolet (UV) radiation, is one of the main factors causing the degradation of the performance of PI aluminum coating aluminum layer. Long term exposure to light may cause oxidation, color changes, and reduced glossiness of the aluminum layer.

1. Oxidation of aluminum layer

The aluminum layer may react with oxygen in the air under light to form aluminum oxide, which affects the reflection performance and shielding effect of the aluminum layer. The formation of an oxide layer can lead to a decrease in the conductivity and thermal conductivity of the aluminum layer, thereby affecting the overall performance.

2. Color change

Long term exposure to light may cause a color change in the aluminum layer, from bright silver to dark or gray, which not only affects its appearance but may also affect its optical performance.

3. Decreased glossiness

The increase in surface roughness and formation of oxide layer caused by light exposure may lead toPI aluminum plated filmThe glossiness of the aluminum layer decreases, affecting its application in display technology and lighting fields.

Research achievements of Advanced Institute (Shenzhen) Technology Co., Ltd

Advanced Institute (Shenzhen) Technology Co., LtdPI aluminum plated filmThe performance degradation of aluminum layer under long-term illumination has been extensively studied, and a series of solutions have been proposed.

1. Antioxidant treatment

By adding an antioxidant coating or surface treatment on the surface of the aluminum layer, the oxidation process can be effectively slowed down and the service life of the aluminum layer can be extended.

2. UV barrier technology

Adopting UV barrier technology, such as adding UV absorbers or using UV barrier layers in PI aluminum coating, can reduce direct damage of ultraviolet rays to the aluminum layer.

3. Surface protective layer

Adding a protective layer on the surface of the aluminum layer, such as silicon oxide or fluoride, can provide additional protection and reduce the impact of light on the aluminum layer.

4. Material modification

By changing the microstructure or alloy composition of the aluminum layer, the light resistance and weather resistance of the aluminum layer can be improved, thereby slowing down performance degradation.

conclusion

PI aluminum plated filmThe performance degradation of aluminum layers under long-term illumination is a complex problem that involves multiple fields such as materials science, chemistry, and physics. Advanced Institute (Shenzhen) Technology Co., Ltd. has provided effective solutions to this problem through continuous research and technological innovation, which helps to improve the stability and reliability of PI aluminum coating, extend its service life, and maintain its high performance in various applications. With the continuous advancement of technology, it is expected that PI aluminum plated film will play an important role in more fields in the future.
The above data is for reference only, and specific performance may vary due to production processes and product specifications.