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What Is The Application Of Innovative Fiber In The Field Of General Health?

2021/10/9 13:35:00 0

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　　 Since the outbreak of new crown pneumonia, it is urgent to develop high-quality emergency protection materials. As an urgent, important and universal research project, emergency protection fiber has been widely concerned by the national advanced functional fiber innovation center, the national and even the world fiber and product industry. To this end, in March 2020, the national advanced functional fiber innovation center and Shenghong holding group jointly set up the "Shenghong · special fund for scientific research on fiber materials and products for emergency support and public safety", focusing on the research and development of scientific research projects related to emergency support and fiber materials and products for public safety. After more than one year's research and development, recently, the national advanced functional fiber Innovation Center released the latest research and development results of "Shenghong · fiber materials and products for emergency support and public safety" to the public.

　　 In order to promote and publicize the R & D achievements of these projects in detail, the national advanced functional fiber innovation center and textile and clothing weekly jointly launched a series of reports on "advanced functional fiber, adding weight for safety". According to the items of masks, advanced functional fibers and products for protection, and innovative fibers and products for protection, the latest progress of project research and development is reported in detail in three phases.

　　 The outbreak of new coronavirus reminds people of the importance of health all the time. In addition to the routine operations of "wearing masks" and "proper disinfection", many people also begin to pay attention to the health and safety problems in daily life. Healthy living environment and developed medical security system have become the basic needs of modern society. The advanced fibers, which are born to be unconventional, have already been involved in the medical field and have made remarkable achievements in many aspects.

　　 Help medical field to realize intelligence

　　 With the development of science, wearable monitoring equipment has aroused people's interest. From wristwatches to accessories, to clothing with sensing function, it can monitor personal health information in real time. However, these wearable monitoring devices sometimes have the problems of unstable signal acquisition and uncomfortable wearing. The school of textile science and engineering of Jiangnan University, in conjunction with Shenzhen Shanxing Medical Technology Co., Ltd., has developed a Wearable ECG monitoring suit and its diagnosis system based on the new flexible sensing fabric electrode, which can be used for human ECG monitoring under major epidemic situation. It is the first time in China to realize multi-channel ECG monitoring of wearable clothing, which is close to medical level monitoring and early warning function, It is of great significance for the monitoring, early warning and diagnosis and treatment of patients with chronic cardiovascular and cerebrovascular diseases and patients with sleep apnea syndrome at night.

Wearable ECG monitoring suit and its diagnosis system developed by Jiangnan University

　　 According to Xiao Xueliang, associate professor of textile science and Engineering College of Jiangnan University and master's supervisor, many chronic diseases of the human body, such as cardiovascular and cerebrovascular diseases, have the characteristics of intermittent attacks and transient abnormalities. Therefore, ECG data of patients need to be monitored continuously for a long time (12 hours). The project can be used as the judgment basis for early warning or diagnosis. In addition, in special circumstances, such as when a major epidemic occurs, medical and patient personnel should be enclosed in protective clothing for a long time, so it is more important to develop portable monitoring equipment with comfortable wearing and stable signal acquisition. It is understood that the biggest innovation of the system is to build a non-interference "through" monitoring clothing and the software and hardware platform of the system, which is the first one at home and abroad. Its non-interference function is mainly due to the establishment of the basic relationship between the components of the materials used and the acquisition and transmission performance of ECG signals, and the reduction of motion artifacts and other noise interference between electrodes and skin. Moreover, from the perspective of user physical examination, the design concept of balance comfort and signal acquisition stability is followed.

　　 At the beginning of the outbreak of Xinguan epidemic, the demand for extracorporeal membrane oxygenator (ECMO) in medical institutions increased sharply. However, the localization of the equipment was faced with many constraints, among which the key material hollow fiber membrane (PMP) technology has not been mastered in China. Based on this situation, modern silk National Engineering Laboratory (Suzhou), School of textile and clothing engineering, Suzhou University, and Suzhou Beicai Nano Technology Co., Ltd. have prepared hollow fiber membrane materials with high strength and controllable structure by coating immersion precipitation phase conversion method, which provides strong technical support for the localization of ECMO. A 120 square meter hollow fiber production line has been built with the output of 200 square meters per day.

Hollow fiber membrane materials developed by modern silk National Engineering Laboratory (Suzhou) and School of textile and garment engineering, Suzhou University

　　 Through chemical structure design, Donghua University has also prepared intelligent polyimide fiber fabric with good pressure sensitivity, which can monitor the movement of different joints of human body. The response time can reach 50ms, showing good response. In addition, the fabric has good mechanical properties and high stability.

Intelligent polyimide fiber fabric developed by Donghua University

　　 The word C-reactive protein, I believe that people who have done blood routine examination know better. Different from the traditional blood sampling for detection of C-reactive protein, the interdisciplinary research team based on fiber materials of Wuhan Textile University has developed fiber-based C-reactive protein sensing materials and related devices for real-time monitoring by using nanofiber separation and filtration technology with independent intellectual property rights, so as to realize human health monitoring and rapid inflammation warning, and avoid the sending of sudden public safety incidents, It provides important theoretical research significance for the development of high performance biosensors.

　　 Research and development of high-end medical textiles increased

　　 As we all know, polyolefin non-woven fabric has the excellent characteristics of wear resistance, high permeability and strong barrier, which can be used in the field of medical protective clothing. Especially the protective clothing made of polyethylene nonwovens is designated as the special protective clothing against African Ebola virus. For a long time, only one enterprise in the United States can produce polyethylene non-woven fabrics in the world, and the supply volume of China market is very limited and the supply cycle is long, which can not meet the national response to major safety and health events. In view of such shortcomings, Zhu Meifang, academician of Chinese Academy of Sciences, Dean of School of materials of Donghua University and director of State Key Laboratory of fiber material modification, led the research team and Xiamen dangsheng new materials Co., Ltd. for many years to complete the research and development of special materials for instantaneous pressure relief spinning micro fibers, breaking through the internationally recognized high difficulty technical barriers, It has broken the single supply pattern of this material in the international market for more than 50 years, and has become the second unit in the world and the first unit in China to master the technology.

High end medical protective clothing developed by Zhu Meifang team

　　 With the outbreak of new crown pneumonia in early 2020, medical protective clothing materials are in short supply. At the same time, the fabric of conventional protective clothing is facing the test of safety, durability and comfort. In this context, Zhu Meifang led the project team to quickly start the production and anti epidemic application of high-end medical protective clothing made of special materials of instantaneous pressure release spinning micro fiber, and developed high barrier, high wear-resistant and high moisture permeability safety protection materials. The moisture permeability of the product is nearly 4 times higher than the current national standard, the moisture resistance reaches level 5, the water permeability resistance reaches 17.4 kPa, and the resistance to synthetic blood penetration reaches level 4, Some physicochemical indexes even exceed those of foreign brand companies.

　　 The outbreak of the Xinguan epidemic has exposed the lack of medical resources in China, the overall technical level of medical textiles is low, the brand and standard construction of protective materials are still weak than the international level, the low-end homogenization phenomenon is serious, the functional and specialized products are scarce, and the market of high-end biomedical fiber materials and products is basically monopolized by imported products.

　　 In order to solve these problems, Donghua University, Southwest University and Shanghai Public Health Clinical Center have developed an all biomass multi-stage antibacterial and antiviral protective filter material. Compared with the traditional polypropylene melt blown fabric, the material has the characteristics of natural environmental protection, rich sources, low price, natural comfort, degradability and so on, and has better retention effect for virus and PM2.5. This material is expected to be a useful supplement of petroleum based melt blown filter materials, and the detection system of coronavirus killing performance is expected to develop into a national standard, providing theoretical and experimental data for improving the anti coronavirus properties of fabrics.

All biomass multi-stage antibacterial and antiviral protective filter material developed by Donghua University

　　 Most of the traditional medical protective materials are cotton fabrics, but cotton fabrics can not really block off pathogens, and their physical isolation is not significant. Pathogens can still enter the inner layer through micropores. At the same time, once the cotton fabric is wet, it will form a suitable environment for the survival of pathogens, which will be more conducive to the spread of pathogens. In order to solve this problem, hasmore Biotechnology Co., Ltd. used nano silver and chitosan as antiviral materials to modify the mask and medical protective clothing materials. According to Hu Guangmin, chairman of hasmore, the antibacterial performance of the mask prepared with this material is significantly higher than that of the existing protective materials, and can effectively block and protect potential viruses. ?

Hasmore Biotechnology Co., Ltd. modified the mask and medical protective clothing materials with nano silver and chitosan ?

　　 Hengtian bio based materials engineering technology (Ningbo) Co., Ltd. and Quanzhou Normal University have innovatively developed a polylactic acid recyclable protective material. The material also integrates the lotus leaf structure concept, making the outer layer of the material resistant to pollution, easy to clean, easy to care and reusable. Poly (lactic acid) fiber is biodegradable, antibacterial and skin friendly. It is the base material for the preparation of biodegradable composites.