Preparation method of porous cyclodextrin polymer
A technology of cyclodextrin polymer and epichlorohydrin, applied in chemical instruments and methods, and other chemical processes, can solve the problems of low processing efficiency, reduced mass transfer rate, large amount of raw material reagents, etc., and achieve high specific surface area , good dispersion effect
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[0020] (1) Take 11.35g (0.01mol) of β-CD in a three-neck round bottom flask, add 17.6mL (22.44g) of NaOH solution with a mass fraction of 25%, and then place the flask in a constant temperature water bath and gradually heat up to 60 ℃, supplemented by stirring during the heating process, until β-CD is completely dissolved;
[0021] (2) Continue to place the flask in a constant temperature water bath to maintain a reaction temperature of 60°C, slowly add 5 mL of epichlorohydrin to the solution at a rate of 1 mL / 6 min through a constant pressure dropping funnel, and make it Dissolution occurs, so that the cross-linking effect can be fully exerted, so that β-cyclodextrin oligomers are formed in the reaction system; after the dropwise addition, continue to stir and react at a speed of 400-600r / min for 60min;
[0022] (3) Continue to maintain the reaction temperature of 60°C, add 1g (0.01mol) CaCO to the solution 3 , then add 5mL epichlorohydrin again, and continue to stir and rea...
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