Super absorbent resin is a newly developed functional polymer material that contains strong hydrophilic groups and has a certain degree of cross-linking. The absorbent materials used in the past, such as paper, cotton, and linen, have a water absorption capacity of only 15-40 times their own weight (referring to deionized water, the same below), and their water retention capacity is also quite poor. Once they absorb water, they are easily dehydrated if they are exposed to external forces. In the mid-1970s, the Research Center of the United States Department of Agriculture first developed a super absorbent resin, and various types of super absorbent resins have emerged since then.
These resins are insoluble in water and organic solvents, and can absorb hundreds to thousands of times their own weight of water. They have a high water absorption rate. Each gram of super absorbent resin can absorb hundreds of grams of water in 30 seconds. Ionized water has strong water retention. The gel after absorbing water is not easy to squeeze out of it under external pressure, which has attracted the attention of countries all over the world. Super absorbent resin is a type of polymer electrolyte. The presence of salts in water will significantly affect the water absorption capacity of the resin, which limits its application to a certain extent. Improving the absorption capacity of super absorbent resins for saline liquids, such as urine, blood, fertilizer water, etc., will be an important topic in the future research work of superabsorbent resins.
More information about super absorbent resin at: https://www.globalmarketmonitor.com/reports/762591-super-absorbent-resin-market-report.html
Current Status Analysis and Prospect Forecast of the Global Super Absorbent Resin Industry
Super absorbent resins can be prepared by solution polymerization, reverse suspension polymerization, reverse emulsion polymerization, etc. According to different raw materials, super absorbent resins are mainly divided into starch-based super absorbent resins, cellulose-based super absorbent resins, and acrylic acid. Resin super absorbent resin. As of 2020, the market share of starch-based super absorbent resin is 9.10%, the market share of cellulose-based super absorbent resin is 11.72%, and the market share of acrylic resin super absorbent resin is 76.16%. Because starch widely exists in the biological world, it has a wide range of raw materials, a variety of types, and a wealth of output, and it has incomparable advantages over other types of resins in terms of biodegradation and raw material regeneration. Under the background of the future green development concept, it is expected that the starch base will be high. The market share of water-absorbent resins is expected to continue to rise. In terms of application, sanitary products have the greatest demand for super absorbent resins, which are mainly used for the production of baby diapers, Adult Inconvenience Products and feminine Hygiene, which can reduce the weight of the product and increase the liquid absorption and water retention capacity.
A series of excellent properties of super absorbent resin have been widely used since its inception. Industrial production capacity has been continuously expanded and developed rapidly. The application field has penetrated into all walks of life, such as being used in petroleum, chemical and other sectors. Used as a water blocking agent, dehydrating agent, etc; used as a base material for topical ointments, slow-release drugs, anti-thrombotic materials, etc. in the medical and health sector; used as a soil conditioner in the agricultural sector, etc., and used as water absorption in daily life Wipes, disposable diapers, flower arrangement materials, etc. In recent years, with the expansion of the application range of super absorbent resins, the demand for them has increased rapidly, and the market value has steadily increased year by year. As of 2015, the global market value of super absorbent resin industry was 6.19 billion U.S. dollars, and it had risen to 7.41 billion U.S. dollars by 2019.
As early as 1961, Fanta GF and others at the Northern Research Institute of the U.S. Department of Agriculture had done a lot of research work on the graft copolymerization of acrylonitrile onto starch using starch and acrylonitrile as raw materials. Japan began to put the produced water absorbing agent on the market in 1978. Since then, the research on the variety, performance and application of super absorbent resins in various countries around the world has also achieved the greatest results in the United States and Japan. By 2020, North America has a share of 23.04% in the global super absorbent resin market. Although China's super absorbent resin started late, it still has made outstanding achievements. In 2020, China's share of the global super absorbent resin market is 21.72%. In the future, with the continuous development of China, the world's second largest economy, China’s super absorbent resin market capacity is expected to further expand, and the Asia-Pacific region will also account for 47.64% of the market share of super absorbent resins in 2020 due to the development of China and Japan in the super absorbent resin industry. The economically backward regions such as the Middle East and Africa not only started late, but also developed slowly, with low R&D investment and relatively low requirements for the quality of absorbent products. As of 2020, the Middle East and Africa are highly absorbent globally. The share of the resin market is only 3.58%, but from a long-term development perspective, with the development of economic globalization, these regions still have a large room for development.
The Impact of COVID-19 on the Global Super Absorbent Resin Industry
Since the outbreak of COVID-19 in early 2020, the virus has spread to all parts of the world, spreading widely, causing great harm to the global economy, and the impact of the epidemic varies from industry to industry. During the epidemic, governments of various countries have introduced a series of measures such as extending holidays and delaying operations to control the flow of people and reduce the occurrence of cross-infection. Many companies cannot carry out normal production and operation. However, the impact of COVID-19 on the global super absorbent resin industry is expected to be only temporary. After the epidemic is restored, it will continue to show its vitality for development.
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