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Flash evaporation nonwovens industry of China achieves a breakthrough from zero to one

Click: Time:2022-07-06 09:53:36 From:中国产业用纺织品行业协会

Under the current international situation, in order to achieve a strong manufacturing country and enhance international competitiveness, my country must not only give full play to the advantages of my country's industrial chain integrity and manufacturing volume, but also integrate and coordinate upstream and downstream advantageous resources to achieve breakthroughs in core technologies. A group of "aircraft carrier" enterprises like DuPont in the United States have gathered a manufacturing "joint fleet" in key areas to escort my country's manufacturing industry in the field of new materials, and ultimately achieve independent and controllable industrial core technologies and a safe and stable industrial chain , The supply chain is robust and the industrial ecology is mutually beneficial and win-win.

Due to the high technical requirements of production, the difficulty of research and development of production equipment, and the complex processing technology, the products have an irreplaceable position in the field of personal protection and high-value medical equipment packaging. The "Pearl" is a key part of my country's realization of the vision of a "joint fleet" in the field of nonwovens. The good news is that at present, my country has achieved breakthroughs in core technologies, and related production and processing technologies have ranked among the world's first-class echelons. Products have effectively filled the domestic gap and achieved partial substitution of imported products. However, continuous efforts are still needed in market cultivation and application expansion. In the future, I believe that with the help of my country's mature market environment, strong market resources and surging market vitality, my country will make new breakthroughs in the field of flash nonwovens, and strive to catch up with foreign leaders in the next few years.

1. The development status and situation of flash evaporation nonwoven materials in my country

(1) Characteristics and application fields of flash nonwovens

Flash spinning, also known as instant spinning, is a method of forming a network of ultra-fine fibers. The fiber diameter of spinning is generally between 0.1-10um. This method was successfully developed by DuPont in 1957. In the 1980s Has reached a production scale of 20,000 tons / year. Japan's Asahi Kasei company also began to develop and realize industrial production in the 1980s, but later the company's technology was annexed by DuPont, and the production line was forced to shut down. Therefore, for a long time, this technology has been exclusively monopolized by DuPont, until in recent years, my country's scientific research team has made a fundamental breakthrough from zero to one.

Flash non-woven fabrics have many characteristics such as light weight, high strength, tear resistance, waterproof and moisture permeability, high barrier, printable, recyclable, harmless treatment, etc., integrating the advantages of paper, film and fabric, It is widely used in high-value medical equipment packaging, medical protection, industrial protection, industrial packaging, transportation, architectural home improvement, special printing and cultural and creative products and many other fields. In the field of medical and health care, this material is the only material that achieves both high-performance anti-virus and biochemical barrier effects in a single material, and can withstand most current sterilization methods. In the field of infectious disease personal protection and high-value medical devices The field of sterilization packaging has an irreplaceable position and has played an important role in public safety emergencies such as SARS and COVID-2019; in the field of industrial protection, the material is light in weight, high in strength, and large in moisture permeability, and can be used in industrial individuals Protection, special equipment protection and other fields; in the field of packaging, with high strength, tear resistance, waterproof and moisture permeability, and printability, it can be used as a covering material in agriculture, construction, transportation and other fields, and can also be used in home decoration, Basic materials such as graphic and pictorial, cultural and creative leisure.

(2) my country's flash evaporation nonwovens have achieved breakthroughs in core technology and commercialized mass production

In the face of overseas enterprises' heavy product monopoly, technological blockade and market suppression, it took decades for my country's flash nonwovens to achieve core technological breakthroughs. Xiamen Dangsheng, Donghua University, Tianjin University of Technology and other enterprises, universities and scientific research institutes have worked tirelessly to overcome difficulties. At present, they have formed production technologies, processes and equipment with core independent intellectual property rights, and successfully realized the transformation of scientific and technological achievements. As the first domestic enterprise to achieve commercial mass production, Xiamen Dangsheng, through day and night efforts, produced the first high-strength ultra-fine polyethylene tow by flash spinning in 2016, and built a pilot test platform in 2017. In 2018, ton-level mass production was achieved. In 2019, the first domestic flash-spinning ultra-high-speed spinning and non-woven fabric industrialization production line was built, and commercial mass production was achieved in the same year. It has achieved rapid catch-up with remarkable achievements in one year and one span, breaking through the monopoly of overseas multinational companies for decades.

(3) my country's flash evaporation nonwovens industry faces a complex and severe environment, and there are many uncertainties

Because foreign leading enterprises have been leading the field for many years, they have formed advantages in intellectual property rights, market access, standard certification, trade barriers, brand monopoly and other advantages. However, the development of my country's flash nonwovens industry is still in its infancy, facing a complex and severe market environment, and a little carelessness will lead to development difficulties. It is not only technical competition, but also market, capital, policy, etc. All-round competition requires multi-faceted care.

At present, my country's flash nonwovens industry is in a critical period of cultivation. Its growth path must be full of many uncertainties and challenges. It requires policy support, market access, standard certification, trade environment, branding Building and other all-round support to enhance the voice of domestic key enterprises in various fields.

2. my country's flash evaporation nonwovens market needs to be cultivated urgently

On April 12, 2022, the Ministry of Industry and Information Technology and the National Development and Reform Commission jointly issued the "Guiding Opinions on the High-Quality Development of the Industrial Textile Industry", pointing out that it is necessary to strengthen the technological breakthrough of flash spinning into fabrics and achieve an annual output of 3,000 tons. The industrialization of flash nonwoven technology and equipment promotes the application in medical packaging, protective equipment, printed matter and other products.

However, the application and promotion in the field of medical packaging and protective equipment is difficult to accomplish in one battle, and requires attention at all levels. At present, the domestic suppliers of medical packaging raw materials are still mainly overseas enterprises, which use their industry influence to dominate and formulate a number of industry standards. After the outbreak of the new crown epidemic in 2020, the consumption of this material in the global medical protection field has surged, and the supply chain has continued to be tense, which has had a huge impact on domestic medical device manufacturers. . In the future, in the face of the growing market demand, the market in many fields such as industrial protection, industrial packaging, transportation, construction and home improvement, special printing and cultural and creative products will also need to be cultivated urgently.

3. Industry Suggestions

(1) Care for and support the healthy and orderly development of the industry, strengthen policy guidance, carry out demonstration projects for the application of domestically produced materials and localized substitution demonstration projects, and increase the utilization rate of domestically produced flash nonwoven materials in areas with mature technologies.

(2) Improve the voice of domestic high-quality enterprises and promote the advancement of industry standards with the times.

(3) Encourage and promote cross-industry, cross-field and cross-disciplinary industry-university-research cooperation to help enterprises expand new application fields.

(4) Regulate the market order, oppose unfair competition such as industry monopoly, strengthen the protection of domestic enterprises, and prevent the loss of core technologies and talents.


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