Synthetic method of ultraviolet initiated hydrophobic modified cationic polyacrylamide
A technology of polyacrylamide and hydrophobic modification, which is applied in the field of synthesis of hydrophobically modified cationic polyacrylamide induced by ultraviolet light, can solve the problems of long reaction time and toxic substances, and achieve shortened polymerization initiation time, convenient selection and low price Effect
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Embodiment 1
[0025] Example 1: A method for synthesizing hydrophobically modified cationic polyacrylamide triggered by ultraviolet light, characterized in that it comprises the following steps:
[0026] In the first step, 91.8ml of deionized water, 0.5g of acryloyloxyethyltrimethylammonium chloride monomer (DAC), 0.2g of butyl acrylate monomer (BA) and acrylamide monomer were sequentially added to the reaction device (AM) 9.5 g was stirred until completely dissolved to form a monomer aqueous solution, in which deionized water was used as a solvent, including acryloyloxyethyltrimethylammonium chloride monomer (DAC), butyl acrylate monomer (BA) and propylene Amide monomer (AM) is the total monomer, including acryloyloxyethyltrimethylammonium chloride monomer (DAC) and acrylamide monomer (AM) as the total water-soluble monomer; total monomer in monomer aqueous solution The mass fraction is 10%, the mass percentage of acryloyloxyethyltrimethylammonium chloride monomer and acrylamide monomer i...
Embodiment 2
[0031] Example 2: A method for synthesizing hydrophobically modified cationic polyacrylamide triggered by ultraviolet light, characterized in that it comprises the following steps:
[0032] In the first step, 24.5ml of deionized water, 3g of acryloyloxyethyltrimethylammonium chloride monomer (DAC), 0.5g of butyl acrylate monomer (BA) and acrylamide monomer ( AM) 7 g was stirred until completely dissolved to form a monomer aqueous solution, in which deionized water was used as a solvent, including acryloyloxyethyltrimethylammonium chloride monomer (DAC), butyl acrylate monomer (BA) and acrylamide Monomer (AM) is the total monomer, including acryloyloxyethyltrimethylammonium chloride monomer (DAC) and acrylamide monomer (AM) as the total water-soluble monomer; the total monomer mass in monomer aqueous solution The fraction is 30%, the mass percentage of acryloyloxyethyltrimethylammonium chloride monomer and acrylamide monomer is 30%:70%, and butyl acrylate monomer accounts for...
Embodiment 3
[0037] Example 3: A method for synthesizing hydrophobically modified cationic polyacrylamide triggered by ultraviolet light, characterized in that it comprises the following steps:
[0038] In the first step, add 11.0ml of deionized water, 9.0 g of acryloyloxyethyltrimethylammonium chloride monomer (DAC), 1.0 g of butyl acrylate monomer (BA) and acrylamide monomer to the reaction device in sequence (AM) 1.0 g was stirred until completely dissolved to form a monomer aqueous solution, in which deionized water was used as a solvent, including acryloyloxyethyltrimethylammonium chloride monomer (DAC), butyl acrylate monomer (BA) and propylene Amide monomer (AM) is the total monomer, including acryloyloxyethyltrimethylammonium chloride monomer (DAC) and acrylamide monomer (AM) as the total water-soluble monomer; total monomer in monomer aqueous solution The mass fraction is 50%, the mass percentage of acryloyloxyethyltrimethylammonium chloride monomer and acrylamide monomer is 90%...
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