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Polyimide Film Applications



Polyimide film is one of the earliest products of polyimide, which is used for the groove insulation and cable wrapping material of the motor. The main products are DuPont Kapton, Yu Department hing Production Upilex series and Kanegafuchi apical. Transparent polyimide films can be used as soft bottom slab of solar cells. Ikaros's sails are made of polyimide membranes and fibres. In the thermal power sector, polyimide fibers can be used to filter hot gas, and polyimide yarns can separate dust and special chemicals from the exhaust gas.

Coating: Used as insulating varnish for electromagnetic wire, or as a high temperature resistant coating.

Advanced Composite Materials: for aerospace, aircraft and rocket parts. is one of the most high-temperature-resistant structural materials. For example, the U.S. supersonic plane program designed to speed 2.4M, the surface temperature of the flight is 177 ℃ and the service life is 60000h, and 50% of the structural material is reported to be a carbon fiber reinforced composite with thermoplastic polyimide as the base resin, with an amount of about 30t per aircraft.

Fiber: The elastic modulus second only to carbon fiber, as high-temperature medium and radioactive material filtration material and bulletproof, fire-proof fabric. China Changchun has a variety of production of polyimide products.

Foamed plastics: Used as heat-resistant thermal insulation.

Engineering Plastics: Thermosetting also has thermoplastic type, thermoplastic can be molded molding can also be injection molding or transfer molding. Mainly used for self-lubricating, sealing, insulating and structural materials. Wide Chengzu amide materials have been used in compressor rotary vane, piston ring and special pump seals and other mechanical components.

Separation membrane: For various gas pairs, such as hydrogen/nitrogen, nitrogen/oxygen, carbon dioxide/nitrogen or methane separation, from the air hydrocarbon raw gas and alcohol removal of water. It can also be used as pervaporation membrane and ultrafiltration membrane. Because of its heat-resistant and organic solvent resistance, polyimide is of particular importance in the separation of organic gases and liquids.


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