A kind of multiple copolymer cement grinding aid and preparation method thereof
A technology of cement grinding aids and multi-component copolymers, which is applied in the fields of multi-component copolymer cement grinding aids and preparation, cement grinding aids and preparations, and can solve the problem that cannot fully meet the diversified and high-level needs of the market, and the enhancement effect is limited , pollute the environment and other issues, to achieve the effect of promoting the use of industrialization, improving the effect of grinding aid, and reducing electrostatic adsorption
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Embodiment 1
[0028] Add 10 parts of maleic anhydride and 9.5 parts of glycerol into the reactor, stir and raise the temperature to 110°C, react for 2 hours, and then add 190 parts of methallyl alcohol polyoxyethylene ether (average molecular weight 2400) and 34 isopropanol. Add 0.4 parts of ferrous ammonium sulfate and 66 parts of water into the reactor, stir and raise the temperature to 80°C, add 6 parts of sodium propylene sulfonate, 6 parts of acrylamide, 10 parts of acrylic acid, and 30 parts of water into a certain container to dissolve called acrylic acid , A mixed solution of acrylamide and sodium allyl sulfonate. The mixed solution of acrylic acid, acrylamide, sodium allyl sulfonate and hydrogen peroxide were respectively added dropwise to the reactor, the reaction temperature was maintained, and the dropping rate was controlled. The dripping was completed in 3 hours, and the temperature was maintained for another 1 hour. Add 8 parts of triisopropanolamine and 7 parts of sodium hydr...
Embodiment 2
[0032] Add 10 parts of maleic anhydride and 9.5 parts of glycerol into the reactor, stir and raise the temperature to 110°C, react for 2 hours, and then add 190 parts of methallyl alcohol polyoxyethylene ether (average molecular weight 2400) and 34 isopropanol. Add 0.4 parts of ferrous ammonium sulfate and 66 parts of water into the reactor, stir and raise the temperature to 80℃, add 6 parts of sodium propylene sulfonate, 8 parts of acrylamide, 8 parts of acrylic acid, and 30 parts of water into a certain container to dissolve called acrylic acid , A mixed solution of acrylamide and sodium allyl sulfonate. The mixed solution of acrylic acid, acrylamide, sodium allyl sulfonate and hydrogen peroxide were respectively added dropwise to the reactor, the reaction temperature was maintained, and the dropping rate was controlled. The dripping was completed in 3 hours, and the temperature was maintained for another 1 hour. Add 8 parts of triisopropanolamine and 7 parts of sodium hydrox...
Embodiment 3
[0036] Add 10 parts of maleic anhydride and 9.5 parts of glycerol into the reactor, stir and raise the temperature to 110°C, react for 2 hours, and then add 190 parts of methallyl alcohol polyoxyethylene ether (average molecular weight 2400) and 34 isopropanol. Add 0.4 parts of ferrous ammonium sulfate and 66 parts of water into the reactor, stir and heat up to 80°C, add 6 parts of sodium propylene sulfonate, 10 parts of acrylamide, 6 parts of acrylic acid, and 30 parts of water into a certain container to dissolve called acrylic acid , A mixed solution of acrylamide and sodium allyl sulfonate. The mixed solution of acrylic acid, acrylamide, sodium allyl sulfonate and hydrogen peroxide were respectively added dropwise to the reactor, the reaction temperature was maintained, and the dropping rate was controlled. The dripping was completed in 3 hours, and the temperature was maintained for another 1 hour. Add 8 parts of triisopropanolamine and 7 parts of sodium hydroxide to the r...
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