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Acrylic acid-isopropylene phosphonic acid copolymer (AA/IPPA)
[Structural formula]
[Physical and chemical properties] A colorless or light yellow transparent aqueous solution, with a pH of 3 to 4 and a total solid content of 30%
[Preparation method] The preparation of acrylic acid isopropylene phosphoric acid copolymer can be divided into two steps, namely, the preparation of isopropylene phosphoric acid monomer and the polymerization of isopropylene phosphoric acid monomer and acrylic acid monomer
① Preparation of isopropylene phosphoric acid monomer At present, the synthesis method of isopropylene phosphoric acid monomer mainly uses phosphorus trichloride , acetone and glacial acetic acid as raw materials
②The molar ratio of the solution polymerization raw material isopropylene phosphoric acid to acrylic acid monomer is 4:6