Chitin is a high molecular weight substance, with a molecular weight of more than 1 million. The higher the molecular weight, the stronger the adsorption capacity, which is suitable for industrial and environmental applications. Low molecular weight is easily absorbed by the body. Chitosan with a molecular weight of about 7000 contains about 30 glucosamine residues.
The chemical structure of chitin is very similar to plant cellulose. They are all polymers of six-carbon sugars, with molecular weights above 1 million. The basic unit of cellulose is glucose, which is a polymer composed of 300 to 2500 glucose residues connected by al,4 glycoside chains. The basic unit of chitin is acetylglucosamine, which is a polymer composed of 1000 to 3000 acetylglucosamine residues connected to each other through p1, 4 glycoside chains. The basic unit of chitosan is glucosamine.
It can be used as an anti-mildew, sterilization and deodorant for textiles. It can be attached to textile fibers through post-processing. It is one of the ways to increase the added value of textiles. It is used to manufacture underwear, socks, household special function textiles, medical surgical gowns, and wound dressings. , burn wound dressings or deep processing into artificial skin for the treatment of large area burns. It can also be used in dyes, paper and water treatment, etc.
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