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Maleic anhydride-acryloyl morpholine copolymer
[Structural formula]
[Physical and chemical properties] Light brown or light yellow aqueous solution, pH value is 3 to 4, total solid content is 30%
[Preparation]
①Preparation of acryloyl morpholine monomer Dissolve 1 mol of fully dried morpholine in an appropriate amount of fully dried acetone, and place a metered amount of dry triethylamine (acid binding agent) on the drop of the reactor In the funnel
②Preparation of copolymer: Add an appropriate amount of deionized water to a copolymerization reactor equipped with an electric stirrer, reflux condenser, and dropping funnel, and heat it to 80-90°C
[Application] Acryloyl morpholine can be regarded as the product in which all the hydrogens on the nitrogen atom of the amido group in the acrylamide molecule are replaced.