Exploration of improving the wear resistance of PET gold plating film

Brief introduction

PET gold-plated filmIt has a wide range of applications in various fields, such as electronic devices, decorative materials, etc. However, its wear resistance may affect its service life and performance. In current research and practice, many institutions and enterprises are exploring methods to improve the wear resistance of PET gold-plated films, and Advanced Institute (Shenzhen) Technology Co., Ltd. is one of them.

2、 The current status and influencing factors of wear resistance of PET gold-plated film

（1） The structure and characteristics of PET gold-plated film PET (polyethylene terephthalate) has good flexibility and chemical stability. After being coated with a gold film on its surface, it not only possesses the basic characteristics of PET, but also obtains the metallic luster, conductivity, and other properties of gold. However, factors such as the adhesion between the gold film and PET substrate, as well as the microstructure of the gold film itself, can affect its wear resistance.

（2） Common wear and tear situations in practical applications,PET gold-plated filmWear may occur due to friction, scratching, and other factors. For example, in the application of electronic device screen protectors, daily touch, wiping, and other operations can cause wear and tear.

3、 Exploration of methods to improve the wear resistance of PET gold plating film and related experimental data

（1） Surface coating treatment

1. experimental setupAdvanced Institute (Shenzhen) Technology Co., LtdAn experiment was conducted, selecting a batch of PET gold-plated film samples of the same specifications and dividing them into two groups of 50 samples each. The first group is the control group, without any treatment; The second group is the experimental group, which is coated with a special wear-resistant coating on its surface.
2. The testing method uses a friction and wear testing machine, with the same friction parameters set, such as a friction pressure of 5N, a friction speed of 10cm/s, and a friction stroke of 100m.
3. After testing, the average wear depth of the control group samples reached 5 μ m, and there were obvious scratches on the surface gold film, with some areas of gold film peeling off; The average wear depth of the experimental group samples was only 1 μ m, with only slight scratches on the surface and intact gold film. This indicates that surface coating treatment can significantly improve the wear resistance of PET gold plating film.

（2） Optimize gold plating process

1. The experimental setup also selected 100 PET gold-plated film samples of the same specifications, which were evenly divided into two groups. The first group was prepared using traditional gold plating techniques, while the second group adopted the optimized gold plating process developed by Advanced Institute (Shenzhen) Technology Co., Ltd.
2. The testing method uses sandpaper abrasion test method, using 1000 grit sandpaper, with a fixed pressure of 2N and a frequency of 10 times/minute for abrasion test, with a testing time of 5 minutes.
3. After testing, the surface roughness of PET gold-plated film samples prepared by traditional processes increased from the initial 0.1 μ m to 0.5 μ m, and the glossiness of the gold film decreased by 30%; The sample prepared using optimized gold plating process only increased the surface roughness from 0.1 μ m to 0.2 μ m, and the glossiness of the gold film decreased by only 10%. This indicates that optimizing the gold plating process can help improve the wear resistance of PET gold plating film.

（3） Base pretreatment

1. The experimental setup divided 80 PET gold-plated film samples into two groups, with 40 samples in each group. Before gold plating, the PET substrate of the experimental group was subjected to special pretreatment, including surface plasma treatment, while the control group was not subjected to pretreatment.
2. The testing method uses a reciprocating friction testing machine, with the friction block made of rubber material, friction pressure of 3N, reciprocating frequency of 5Hz, reciprocating stroke of 50mm, and testing time of 10 minutes.
3. After testing, the control group samples showed a gold film wear area of 10%, while the experimental group samples had a gold film wear area of only 3%. This shows that substrate pretreatment has a positive effect on improving the wear resistance of PET gold plating film.

4、 Conclusion

Through the above experiments and analysis, it can be seen that surface coating treatment, optimized gold plating process, and substrate pretreatment can all improve to a certain extentPET gold-plated filmWear resistance. The exploration and research of Advanced Institute (Shenzhen) Technology Co., Ltd. in these areas provide valuable references for improving the wear resistance of PET gold plating films. However, with the continuous development of technology and the increasing complexity of application scenarios, further in-depth research is still needed to develop more efficient and reliable methods to improve the wear resistance of PET gold plating films, in order to meet the requirements of different fields for the wear resistance of PET gold plating films.

The above data is for reference only, and specific performance may vary due to production processes and product specifications.