Donghua University, Suzhou Jiuyi High-tech Nonwoven Equipment Co., which is China’s ’13th Five-Year’ plan One of the key development directions of industry.6 tons of micro-nano fiber composite nonwoven materials have been produced, with an additional revenue of 241 million yuan and an additional profit of 35.,
In order to solve this dilemma, the project was funded by the National Science and Technology Support Program, the National Natural Science Foundation of China, and the China Textile Industry Federation Science and Technology Guidance Project. However, Airlaid Paper Suppliers domestic such materials have serious low-end homogeneity, and high value-added, functional products rely heavily on imports., Ltd.999% , Filtration resistance <106Pa; developed a highly oriented PLA micro-nano fiber composite hot air process with PLA/ES substrate, prepared directional diffusion water-conducting sanitary material, liquid diffusion speed ratio in different directions>6, liquid penetration rate>3mL /s•cm2.
The micro-nano fiber nonwoven material prepared by electrospinning has high specific surface area and high adsorption characteristics, and can be used to prepare high-value-added industrial textiles such as high-efficiency low-resistance filter materials, directional diffusion water-conducting sanitary materials, etc., Henan Institute of Engineering, and Changyuan Hutai Nonwovens Co. In the past three years, 7175.5 million square meters., Suzhou Comfort Environmental Technology Co. After more than ten years of research, the project has realized the free surface multi-jet electrospinning of micro-nano fibers.
The 1800mm width 4 modules 8 nozzle production line developed by the project team has an annual production capacity of more than 1. (2) Constructed a dynamic balance free surface multi-jet control theory, developed a series of spatially symmetric free surface spinning nozzles, the multi-jet spacing is only 5mm, the envelope angle is stable at 100, and the fiber diameter CV value drops below 15% , To achieve a significant reduction in fiber diameter distribution, and a single nozzle can produce more than 250mL/hour, which is 160 times that of a traditional needle., Ltd. The controllable and stable mass production of woven materials can provide solutions for the industrialization of high-value-added, functional micro-nano nonwoven materials by compounding with nonwoven substrates such as spunbond hot rolling and hot air
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