Polyamide fiber, commonly known as Nylon, with an English name of Polyamide (PA) and a density of 1.15g/cm, is a general term for thermoplastic resins containing repeating amide groups - [NHCO] - on the main molecular chain, including aliphatic PA, aliphatic aromatic PA, and aromatic PA. Among them, there are many varieties of aliphatic PA, with a large yield and wide application. Its name is determined by the specific carbon atom number of the synthesized monomer. Invented by renowned American chemist Carlos and his research team.
Nylon is a term for polyamide fiber (nylon), which can be made into long or short fibers.
Modified nylon is a type of engineering plastic that is a granular product formed by modifying its physical properties using nylon raw materials as the base material. The output of such products is modified based on the different needs of some manufacturers.
Modified nylon generally includes: reinforced nylon, toughened nylon, wear-resistant nylon, halogen-free flame-retardant nylon, conductive nylon, flame-retardant nylon, and so on.
1. Thermal properties: glass transfer temperature (Tg) and melting point (Tm); High Hot Deformation Temperature (HDT); Long term use with high temperature (UL-746B); Wide temperature range for use; The coefficient of thermal expansion is small.
2. Mechanical properties: high strength, high mechanical modulus, low creep, strong wear resistance and fatigue resistance.
3. Other: Good chemical resistance, electrical resistance, flame resistance, weather resistance, and dimensional stability. The output of such products is modified based on the different needs of some manufacturers. Modified nylon generally includes: reinforced nylon, toughened nylon, wear-resistant nylon, halogen-free flame-retardant nylon, conductive nylon, flame-retardant nylon, and so on. Modified nylon has many characteristics and is widely used in automobiles, electrical equipment, mechanical components, transportation equipment, textiles, papermaking machinery, and other fields.
Application of Modified Nylon
Nylon rods have good toughness, strong wear resistance, oil resistance, seismic resistance, tensile and bending strength, as well as small water absorption and good dimensional stability. Therefore, they are used to process various wear-resistant high-strength parts.
The Development Trend of Modified Nylon
Nylon, as the largest and most important variety in engineering plastics, has strong vitality, mainly due to its high-performance modification. Secondly, the automotive, electrical, communication, electronics, machinery and other industries themselves have increasingly strong requirements for product high-performance. The rapid development of related industries has promoted the process of high-performance engineering plastics. The future development trend of modified nylon is as follows.
① The market demand for high-strength and high rigidity nylon is increasing, and new reinforcement materials such as inorganic whisker reinforcement and carbon fiber reinforced PA will become important varieties, mainly used for automotive engine components, mechanical components, and aviation equipment components.
② Nylon alloying will become the mainstream in the development of modified engineering plastics. Nylon alloying is an important way to achieve high performance of nylon, and it is also the main means to manufacture nylon specific materials and improve nylon performance. By mixing other high polymers, the water absorption of nylon is improved, the dimensional stability of the product is improved, as well as the low-temperature brittleness, heat resistance, and wear resistance. Thus, it can be used for different requirements of different types of vehicles.
③ The manufacturing technology and application of nano nylon will be rapidly developed. The advantages of nano nylon lie in its higher thermal properties, mechanical properties, flame retardancy, and barrier properties compared to pure nylon, while the manufacturing cost is comparable to ordinary nylon. Therefore, it has great competitiveness.
④ The use of flame-retardant nylon in electronics, electrical, and electrical appliances is increasing day by day, and green flame-retardant nylon is increasingly receiving market attention.
⑤ Anti static, conductive nylon, and magnetic nylon will become the preferred materials for electronic equipment, mining machinery, and textile machinery.
⑥ The research and application of processing aids will promote the process of functionalization and high-performance of modified nylon.
⑦ The application of comprehensive technology and the refinement of products are the driving forces behind its industrial development.
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