Preparation method of reactive type water-solubility chitosan derivative

A water-soluble chitosan and reactive technology, which is applied in the field of preparation of reactive water-soluble chitosan derivatives, can solve the problems of increased cost, complicated preparation method, high energy consumption, etc., and can save raw materials and costs, reduce Production cost, the effect of strong controllability
CN101659710AInactive Publication Date: 2010-03-03BEIJING UNIV OF CHEM TECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
BEIJING UNIV OF CHEM TECH
Publication Date
2010-03-03
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a preparation method of a reactive type water-solubility chitosan derivative, which comprises the steps of adding chitosan into the aqueous solution of 2-acrylamido-2-methylpropanesulfonic acid, stirring for 0.5 hour at room temperature, preparing the chitosan aqueous solution to 2 wt% with the mole number of the 2-acrylamido-2-methylpropanesulfonic acid being 0.5-4 timesof that of amido of the chitosan, adding p-Hydroxyanisole accounting for 1-3 percent of the mole number of the 2-acrylamido-2-methylpropanesulfonic acid in the above solution, keeping stirring for 0.5hour to lead the chitosan to be fully dissolved in the aqueous solution, heating up to 30-60 DEG C fast, and reacting for 2-6 hours, thus obtaining the reactive type water-solubility chitosan derivative. The method has mild reaction condition, easy control, simple procedures, easy control of substitution degree, environment-protecting subsequent treatment and economical reaction process.
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Description

technical field

[0001] The invention relates to a preparation method of reactive water-soluble chitosan derivatives. Background technique

[0002] Chitin is the second largest natural biopolymer in the storage capacity after cellulose in nature. Chitosan is the product of chitin after deacetylation treatment. It is a natural alkaline polysaccharide existing in nature. It is a kind of Environmentally friendly natural polymers widely exist in the shells of shrimps, crabs, insects, maggots, flies and other animals, and are an inexhaustible renewable resource. Chitosan not only has the advantages of non-toxic, harmless, good biocompatibility, biodegradability, etc., but also has many excellent physiological properties such as anticancer, antibacterial, hemostatic, and enhancing human immunity. Therefore, chitosan has great application value in food, cosmetics, environmental protection, textile, printing and dyeing, papermaking and other industries, especially in the fields of b...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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