Taiwan Engineering Research Institute: Using diamine development to enhance the competitiveness of the polymer materials industry
Taiwan's nylon, epoxy resin, polyimide (PI) and other products have a certain status in the international supply chain. However, the key amine-based intermediates required for high-end application-end materials are monopolized by major international manufacturers, making it impossible to obtain or The limited application fields affect the industry’s opportunities to further enhance its competitiveness. Diamine monomers required for products in 5G, green energy, electronics and automotive fields, including: long carbon chain aliphatic diamine, polyetheramine (PEA), diaminodicyclohexylmethane (PACM), 4, Aliphatic diamines and ether diamines such as 4ʹ-diaminodiphenyl ether are key monomers with high added value and are worthy of investment by domestic manufacturers in development. In order to assist the domestic industry, this issue's special topic "Technological Development and Application of Aliphatic Diamines and Ether Diamines" will introduce the technological development and application of several key amine-based intermediates, with a view to discussing ways to implement independent production in the country.
"Hexamethylenediamine Technology Development" will introduce the key monomer of nylon 66 - hexamethylenediamine production process, with special emphasis on low-carbon processes to meet the needs and development trends of low-carbon products, mainly from biomass sources and carbon reduction CO Material sources are cut into developing new processes. The patented technology layout of low-carbon hexamethylenediamine products is still in the blue ocean stage. The Institute of Materials and Chemical Engineering of ITRI has invested in the development of a carbon-reduced CO-preparation process for hexamethylenediamine. This can be used as a basis and as a target for the upgrading and development of the nylon industry.
Taiwan has complete industrial links in the fields of optical lenses/connectors/LEDs/automotive components, etc., but is short of raw materials. However, traditional PA6 and PA66 have short monomer main chains and high water absorption rates, and end products cannot be stored in normal temperature and humidity environments. If used under low conditions, there will be problems such as poor dimensional stability and reduced rigidity.
"Development and Application of Low Hygroscopic Long Carbon Chain Nylon Material" aims at introducing the development, market and applications of the high-end low-hygroscopic long-carbon-chain nylon materials (such as PA612, PA9T) modified by introducing long carbon chain diamine monomers to help speed up the vertical integration of domestic nylon industries and advance towards international high-end supply chain of nylon.
With the development of 5G high-frequency communications, flexible printed circuit boards (FPCB) have increasingly stringent performance requirements for interlayer insulation materials. Traditional polyimide films are difficult to meet the requirements of high-frequency communication materials due to their high dielectric constant and loss. need. The article "Diamine Phenyl Ether Structural Design and Synthesis Technology of High-Performance Flexible Board Materials" will introduce the structural design and development of low-dielectric polyimide and the synthesis technology of the key monomer diaminodiphenyl ether, which can provide Taiwan soft It is a reference for the board industry to break through the technical bottleneck of key materials and is of great significance to high-frequency communications, flexible electronics and other advanced applications.
Finally, "Light Stabilizer Precursor Triacetoneamine Process Technology and Product Application" will introduce the key precursor of hindered amine light stabilizer - triacetoneamine process technology. Hindered amine light stabilizers can improve the environmental weather resistance of plastic products. As well as its service life, it is also widely used in products such as automotive, construction and agricultural films. ITRI has established high-yield triacetoneamine process technology and hopes to cooperate with domestic industry players to improve the industrial chain and avoid monopoly by foreign manufacturers.
