Recently, exciting news has come from the field of polyoxymethylene materials. After years of painstaking research, Chinese scientific research teams have achieved a major breakthrough in polyoxymethylene synthesis technology. The relevant achievements have entered the initial stage of industrial application, which is expected to change the situation of China's long-term dependence on imported polyoxymethylene and provide strong material support for high-end manufacturing.

As an engineering plastic with excellent properties, polyoxymethylene features high mechanical strength, high rigidity, good abrasion resistance, and excellent chemical corrosion resistance. It has extensive and indispensable applications in numerous high-end manufacturing industries such as automobile manufacturing, electronic and electrical appliances, and precision machinery.

 

In the field of automobile manufacturing, the applications of polyoxymethylene are ubiquitous. Inside the automobile engine, it is widely used to manufacture various precision gears. During the high-speed operation of the engine, these gears need to withstand huge torque and frequent friction. The high mechanical strength and outstanding abrasion resistance of polyoxymethylene ensure that the gears can accurately transmit power and maintain stable performance for a long time, effectively reducing the power loss and failure risks caused by gear wear. In addition, in the automobile steering system and braking system, polyoxymethylene is also used to manufacture some key connecting parts and supporting components. For example, for some small pistons and bushings in the braking system, the chemical corrosion resistance of polyoxymethylene enables them to resist the erosion of brake fluid and other chemical substances, ensuring the safe and reliable operation of the braking system. In terms of automobile interiors, polyoxymethylene can be used to manufacture some decorative strips and functional components, such as door handles and some knobs on the center console. Its good appearance texture and dimensional stability not only meet the aesthetic design requirements of automobile interiors but also maintain their shape without deformation or fading during long-term use.

The electronic and electrical appliance industry is also an important application area for polyoxymethylene. In consumer electronic products such as computers and mobile phones, polyoxymethylene is widely used to produce various precision connectors. These connectors are responsible for transmitting signals and electricity between different electronic components, demanding extremely high dimensional accuracy and stability. The low water absorption and dimensional stability of polyoxymethylene enable it to maintain precise dimensions in different humidity environments, ensuring the tight fit between the connectors and other components, thereby guaranteeing the signal transmission quality and overall performance of electronic devices. Meanwhile, in some large electrical appliances such as refrigerators and air conditioners, polyoxymethylene is used to manufacture some wear-resistant piston rings and seals in the compressors. During the operation of the compressors, these components need to run for a long time in an environment of high temperature, high pressure, and being filled with lubricating oil and refrigerant. The chemical corrosion resistance and abrasion resistance of polyoxymethylene enable them to work stably, effectively improving the efficiency and service life of the compressors.

 

The precision machinery manufacturing field also highly depends on polyoxymethylene. In industrial automation production lines, polyoxymethylene is used to manufacture various high-precision transmission components, such as screw-nut pairs. Screw-nut pairs require high transmission efficiency and positioning accuracy. The low friction coefficient and good rigidity of polyoxymethylene can meet this requirement, enabling automated equipment to accurately complete various processing and assembly tasks. In CNC machine tools, polyoxymethylene is used to manufacture some protective devices and guide rail sliders. Protective devices need to possess certain strength and impact resistance to protect the precision components inside the machine tools from interference by external foreign objects; guide rail sliders need to maintain low friction and high precision during high-speed reciprocating motion. The characteristics of polyoxymethylene make it an ideal material choice. In addition, in the medical device field, polyoxymethylene can be used to manufacture the handles and shells of some surgical instruments. Surgical instruments have extremely high requirements for the hygienic safety and corrosion resistance of materials. Polyoxymethylene can meet these requirements, and its good hand feel and machinability are also conducive to the design and use of surgical instruments.

However, for a long time, China's polyoxymethylene production technology has been relatively backward, and most of the market share of high-end polyoxymethylene products has been occupied by foreign enterprises. Relying on their technological advantages, foreign enterprises have formed a certain monopoly pattern in the international market, which not only restricts the cost control and technological innovation of China's related high-end manufacturing industries but also poses a potential threat to the supply chain security of some key industries in China.

This breakthrough in polyoxymethylene technology in China is the result of the cooperation among scientific research teams, multiple enterprises, and scientific research institutions in the form of industry-university-research cooperation. The researchers innovatively developed a brand-new synthesis process, which significantly improved the production efficiency and product quality of polyoxymethylene and reduced the production costs. It is known that the performance indicators of the polyoxymethylene products produced by the new technology have reached or even partly exceeded the international advanced level, and have received high recognition from numerous enterprises during the market trial stage.

With the gradual promotion of this technology and the continuous expansion of the industrialization scale, China's polyoxymethylene industry will usher in a golden period of rapid development. On the one hand, the increase in domestic polyoxymethylene production capacity will effectively meet the growing domestic market demand, reduce the dependence on imported products, and lay a solid foundation for the independent and controllable development of China's high-end manufacturing. On the other hand, domestic high-quality polyoxymethylene products, relying on their price and local supply advantages, are expected to stand out in the international market, enhancing the competitiveness and influence of China's polyoxymethylene industry in the global market.

 

Industry experts said that the breakthrough in polyoxymethylene technology is just a microcosm of the innovative development of China's high-end material industry. In recent years, China has continuously increased its R & D investment in the field of high-performance materials and has continuously achieved a series of remarkable results, gradually breaking through foreign technological blockades and moving towards the high end of the global material industry value chain. This will not only promote the transformation and upgrading of China's manufacturing industry, realizing the transformation from a "manufacturing power" to a "manufacturing superpower", but also reshape China's industrial status in the global industrial pattern, contributing more "Chinese power" to the development of the world's high-end manufacturing industry.