Polycarboxylate superplasticizer and preparation method thereof
A technology of water reducer and polycarboxylic acid, applied in the field of polycarboxylate water reducer and its preparation, to achieve the effect of reducing slump loss
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Embodiment 1
[0046]1. Synthetic raw materials: main reagent, main reagent includes acrylic acid, hydroxyethyl acrylate, methallyl polyoxyethylene ether, vitamin C, hydrogen peroxide, and mercaptopropionic acid; retarder, retarder includes phenol, carboxymethyl Chitosan-based; viscosity reducer, viscosity reducer including sodium hexaphosphate.
[0047] 2. Test raw materials: Huaxin cement PO42.5, machine-made sand with a modulus of 2.8, S95 grade slag, continuous grade crushed stone with a particle size of 10~30mm.
[0048] 3. Experimental equipment: HH-1 digital display constant temperature water bath, peristaltic pump of Changzhou Putian Instrument Manufacturing Co., Ltd., YZ15 type, Baoding Ref Fluid Technology Co., Ltd.; electric stirrer, H2010G type, Shanghai Meiyingpu Instrument Manufacturing Co., Ltd. company.
[0049] 4. Synthesis process: Add methallyl polyoxyethylene ether, hydroxyethyl acrylate and distilled water in proportion to the four-neck flask, dissolve completely at 60°...
Embodiment 2
[0052] 1. Synthetic raw materials: main reagent, main reagent includes acrylic acid, hydroxyethyl acrylate, methallyl polyoxyethylene ether, vitamin C, hydrogen peroxide, and mercaptopropionic acid; retarder, retarder includes phenol, carboxymethyl Chitosan-based; viscosity reducer, viscosity reducer including sodium hexaphosphate.
[0053] 2. Test raw materials: Huaxin cement PO42.5, machine-made sand with a modulus of 2.8, S95 grade slag, continuous grade crushed stone with a particle size of 10~30mm.
[0054] 3. Experimental equipment: HH-1 digital display constant temperature water bath, peristaltic pump of Changzhou Putian Instrument Manufacturing Co., Ltd., YZ15 type, Baoding Ref Fluid Technology Co., Ltd.; electric stirrer, H2010G type, Shanghai Meiyingpu Instrument Manufacturing Co., Ltd. company.
[0055] 4. Synthesis process: Add methallyl polyoxyethylene ether, hydroxyethyl acrylate and distilled water in proportion to the four-neck flask, dissolve completely at 60...
Embodiment 3
[0058] 1. Synthetic raw materials: main reagent, main reagent includes acrylic acid, hydroxyethyl acrylate, methallyl polyoxyethylene ether, vitamin C, hydrogen peroxide, and mercaptopropionic acid; retarder, retarder includes phenol, carboxymethyl Chitosan-based; viscosity reducer, viscosity reducer including sodium hexaphosphate.
[0059] 2. Test raw materials: Huaxin cement PO42.5, machine-made sand with a modulus of 2.8, S95 grade slag, continuous grade crushed stone with a particle size of 10~30mm.
[0060] 3. Experimental equipment: HH-1 digital display constant temperature water bath, peristaltic pump of Changzhou Putian Instrument Manufacturing Co., Ltd., YZ15 type, Baoding Ref Fluid Technology Co., Ltd.; electric stirrer, H2010G type, Shanghai Meiyingpu Instrument Manufacturing Co., Ltd. company.
[0061] 4. Synthesis process: Add methallyl polyoxyethylene ether, hydroxyethyl acrylate and distilled water in proportion to the four-neck flask, dissolve completely at 60...
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