News
12
2023
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01
Water-absorbing resins have gained a wide range of applications
Water-absorbing resin for warm patch Due to the emergence of starch-based superabsorbent resins, people think of using cellulose as raw material to prepare superabsorbent resins. Cellulose, like starch, has a wide range of raw materials and can react with a variety of low molecules, which is an important aspect of the development of water-absorbent material technology in the past ten years. Cellulose is highly absorbent, partly because it is a hydrophilic polyhydroxy compound, and partly because it is a fibrous substance with many capillaries and a large surface area. Therefore, it has been widely used in society as a water-absorbent material. However, the water absorption capacity of cellulose is not strong. In order to improve its performance, water-absorbing resins for warm laminates are mainly chemically reacted to make them have stronger or more hydrophilic groups, but still become fibrous to maintain their large surface area and multicapillaries. The preparation method is generally through etherification, esterification, grafting copolymerization and other methods of one or several methods to prepare nanocellulose-based water absorption and materials.
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