Recently, Beijing's major scientific and technological achievements transformation and industrialization project "Industrialization of green printed circuit preparation technology based on nanomaterials" passed the acceptance of the expert group, marking Beijing's nano silver conductive ink and RFID radio frequency tags based on nanomaterial green printed circuits The realization of the industrialization of antennas is of great significance to the development of China's nano-green printed circuit industry.
The nano-material green printed circuit preparation technology is to directly print the nano-conductive material on the surface of paper or film to form a circuit. This technology can replace the traditional circuit etching process and has the characteristics of simple process, low cost, abundant substrates, and easy recycling. The RFID electronic tags prepared by this technology can be widely used in intelligent transportation ticket cards, Internet of Things, and food safety anti-counterfeiting And other fields.
At present, with the support of the Beijing Municipal Science and Technology Commission, China Konatong has successfully broken through the key technical difficulties in the batch preparation of metal nanoparticles, overcome and completed the batch preparation technology of nano-silver powder and the optimized configuration of nano-silver conductive ink. A production line with an annual output of 10,000 liters of nano-silver conductive ink and 100 million pieces / year of RFID electronic tags has been applied for 28 Chinese patents, forming a patent protection group.
In addition, Zhongkona New Company also led the establishment of Beijing's first nanoelectronic material testing platform, printing 40,000 national science and technology week nanomaterial green printed electronic tickets, successfully developed nanomaterial green subway tickets, and signed with dozens of domestic enterprises Signed a product sales contract. Experts predict that the popularity and application of nanomaterials will have an impact on the printing industry and will be a revolution in the printing industry. In the printing industry, nanomaterials can not only be used for the preparation of printed circuits, but also gradually penetrate into the field of ink manufacturing in the screen printing industry, and have great advantages in improving printing quality.
Ink fineness is closely related to printing quality. The finer the ink, the stronger the coloring power, and the clearer and fuller the dots of the printed matter. Because nano-materials are the finest grain materials at present, nano inks undoubtedly have a special advantage in fineness. Nano inks added with specific nano particles are used for color printing, the color gradation will be richer, and the tone will be more vivid.
Various components in the ink (such as resins, pigments, fillers, etc.) can also be made into nano-scale raw materials, because they are highly fine, and have good flow and lubricity, which can achieve better dispersion and stability. Adding nano-scale raw materials to different types of inks for different purposes will receive different results. If it is used in UV ink, it can accelerate its curing speed and eliminate the shrinkage and wrinkling phenomenon of the ink film; nano-scale carbon ink is conductive, and conductive ink can be made if the ink is added; in glass ceramic printing ink, if The composition of inorganic raw materials is nanometer-level fineness, which will save a lot of raw materials.
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