Taiwan Textiles Institute's electrospinning nanofiber production technology crown global

Can you imagine ultra-fine nanofibers that are 100 times or even 1,000 times thinner than microfibers? Its fiber fineness is like "the king's new clothes", which is invisible to the human eye and must be observed under an electron microscope.

The "needle-free hot-melt electro-spinning equipment" developed by the Textile Research Institute won the National Invention and Creation Award in 107 years, creating the domestic technology-independent and world-leading electrospinning nanofiber mass production technology; An important invention device for rice fiber membranes.

Zhang Haozhe, inventor of the textile institute, said that the device uses a repulsive force and mechanical force of electrons to spin a web into a rapid mass production process. Just like the diameter of a spider's fine mesh is only nanometer, it can catch flying insects with a speed of 20 kilometers per hour.

Generally, conventional spinning equipment generates fibers through high temperature and spinning nozzles. Due to the limitation of the size of the spinning holes and the flow characteristics of the melt, it has not been possible to directly spin to achieve nanometer grade fiber fineness. Its production speed is slow and it is easy to produce a plug which causes flaws in the product.

At present, the only companies in the world that are actually investing in the production of nanofiber membranes are only Elmarco, Fine-tex, Donaldson and other manufacturers. The small amount of production in the industrial sector is small, which makes the supply and demand in the global market unbalanced, so commercial products are not easy to obtain. Zhang Haozhe pointed out that the invention solves the above disadvantages. With the self-developed stable matrix bubble continuous generation method and electrospinning principle, it has higher output than the needle type and wire electrode type process, low energy consumption, high uniformity and the advantages of hot melt and solventless.

The device has been patented and has a wide range of applications in the product market, including: air filtration (PM2.5, masks , subways, indoor air conditioners, HEPA, thermal power plants, engine intake); liquid filtration (MBR, 7nm wafer grinding) ); medical materials (wound dressings, drug release carriers), etc.

At present, the technology has been transferred to the biotech company to produce nanofiber masks. In the future, technology diffusion and product market development will be carried out to assist in industrial transformation and development.