The application of super absorbent resin has been involved in many industries, such as health products, medical products, agriculture, etc. :
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1. Hygiene products: The application of high absorbent resin in physiological hygiene products is a relatively mature field, which is also the largest market at present, accounting for about 80% of the total. Such as baby swaddling, paper diapers, incontinence tablets, women's sanitary napkins, tampons, thrombolysis, physiological cotton, sweat towels and other products can be applied in the high absorbent resin. At present, the research gradually shifted from the improvement of its performance to the light and thin sanitary materials, high contact dryness, the lowest leakage rate, no irritation to the skin, antibacterial and bactericidal effects, long-term water absorption ability and long-term use of the effect of non-wrinkling. For example, the high absorbent resin with bactericidal properties was synthesized by reverse-phase suspension polymerization, which can kill and inhibit the growth of microbial strains. The higher the content of quaternary ammonium group in the resin, the better the antibacterial effect of the resin and improve the health security.
2. Application in agriculture, Forestry, Horticulture and desertification control: Superabsorbent not only water, water retention is very good, but the crumb structure formed in the soil, soil temperature difference between day and night was reduced, at the same time also can absorb fertilizers, pesticides, fertilizers, pesticides, and soil erosion, and the slow release fertilizers, pesticides, water, and enhance the effect of fertilizer, pesticides, and greatly enhance the drought effect. But the specific application is very limited at present, mainly because of the high cost and the water absorption capacity in the soil is not enough, the reusability is poor. The application of high absorbent resin in this field also has great potential. In the future, we should focus on the development of high absorbent resin, water retention and can be used repeatedly and the cost is low. Furthermore, the research on improving arid and barren soil with superabsorbent resin should be further strengthened, especially on desert reconstruction.
3. Biomedicine: the adaptability of superabsorbent resins in living organisms has been studied by many scholars, and the results show that some synthetic and semi-synthetic superabsorbent substances have certain biological adaptability [34,35]. Using super absorbent material with strong water absorption and water retention characteristics, can be made into organizations of similar materials and biological water content, water absorption after the formation of the gel and medical absorbent material is soft, with human body adaptability, such as no irritation to human body, no side effects, inflammation, blood clotting, etc, All these have created conditions for its application in medicine.
In recent years, super absorbent resin has been widely used in various aspects of medicine and medicine. Super absorbent materials can be used to prepare medical bandages, cotton balls and gauze that can absorb bleeding and secretory fluid from surgery and trauma, and prevent suppuration. It is used in the production and manufacturing of medical supplies such as contact glasses, human body embedding materials, heat preservation and cold preservation materials. For the manufacture of artificial vitreous, artificial cornea, artificial skin, artificial blood vessels, artificial liver, artificial kidney and other artificial organs; Medical test tablets for holding part of the liquid under test; For the preparation of large water content, comfortable use of external ointment: in addition, the high water absorbent resin is also used in the manufacture of sustained release drug substrate, can change the release speed of the drug by adjusting the moisture content, to avoid the release speed gradually decreased with time.
