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What are the main application areas of polyimide film

Source:www.cshuaqiang.com      Release date: 2025-02-19
Polyimide films have excellent electrical, chemical, and physical properties. Its main application areas are as follows: 1. Electronic and electrical field Flexible Printed Circuit Board (FPC): As the insulating substrate of FPC, it can make the circuit flexible and widely used in electronic products such as mobile phones, tablets, laptops, etc., such as camera modules and screen cables i
Polyimide films have excellent electrical, chemical, and physical properties. Its main application areas are as follows:
1. Electronic and electrical field
       Flexible Printed Circuit Board (FPC): As the insulating substrate of FPC, it can make the circuit flexible and widely used in electronic products such as mobile phones, tablets, laptops, etc., such as camera modules and screen cables inside mobile phones.
       Electromagnetic wire insulation: Used for electromagnetic wire insulation of motors, transformers and other equipment, it can withstand high temperature and high voltage, improve equipment performance and reliability, and ensure long-term stable operation in harsh environments.
       Cable wrapping material: It can be used as a wrapping layer for cables, providing insulation, moisture resistance, corrosion resistance, and extending the service life of cables. It is suitable for various power cables and communication cables.
       Electronic device packaging: used for packaging electronic devices such as chips, protecting devices from external environmental influences, improving device stability and reliability, and having good heat dissipation performance, which helps to reduce device operating temperature.
2. Aerospace field
       Spacecraft components: such as large aperture optical lenses, light shields, solar sails, and other components used in the manufacturing of spacecraft, utilizing their excellent radiation resistance, thermal stability, and mechanical properties to maintain good performance in the space environment.
       Aircraft engine insulation: It can be used as an insulation material inside aircraft engines, capable of withstanding the impact of high temperature and high-speed airflow, ensuring the stable operation of the engine's electrical system.
3. Energy sector
       Solar cells: can be used as substrate materials for solar cells, with excellent heat resistance and weather resistance, ensuring stable performance of solar cells during long-term outdoor use; It can also be used as a transparent electrode material in organic solar cells, perovskite solar cells, etc., reducing costs and improving device performance.
       Lithium ion battery: It can be used as a separator in lithium-ion batteries to isolate positive and negative electrodes, prevent short circuits, and allow lithium ions to pass freely, improving the safety and cycling performance of the battery.
       Fuel cell: Key components such as proton exchange membranes used in the manufacture of fuel cells, whose excellent chemical stability and proton conductivity contribute to improving the efficiency and lifespan of fuel cells.
4. Automotive field
       Automotive sensor cover: capable of withstanding high temperatures in the engine compartment and various harsh weather conditions outdoors, protecting automotive sensors from external environmental influences and ensuring their correct and reliable operation.
       Lamp lens: With high transparency and good glossiness, it can enhance the optical performance and appearance quality of the lamp, while also having good mechanical performance and impact resistance, able to withstand vibrations and external impacts during car driving.
       Interior circuit insulation: used for the insulation of internal circuits in automobiles, ensuring the safe and stable operation of the circuit system, and preventing problems such as short circuits and leakage.
5. Optical field
       Flexible display: As the base material of flexible OLED display devices, it can achieve functions such as bending and folding of display screens, promoting the development of display technology towards flexibility and wearability.
       Optical thin film: It can be made into broadband anti reflection transparent water oxygen barrier layer, diffusion film and other optical thin films, which are applied in optical lenses, display screens and other fields to improve the performance and imaging quality of optical devices.