Novel concrete retarder
A concrete and retarder technology, applied in the field of concrete admixtures, can solve problems such as unsatisfactory concrete strength and air pollution, and achieve the effects of improving retarding effect, improving adsorption performance, and increasing adsorption contact area
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Embodiment 1
[0038] A new type of concrete retarder, made of the following components in proportion by weight: 3 parts of ammonium borate, 5 parts of sodium pyrophosphate, 6 parts of magnesium sulfate, 8 parts of diethylenetriaminepentamethylenephosphonic acid, carboxylate 5 parts of sodium methylcellulose, 3 parts of maltodextrin, 2 parts of sodium tartrate, 18 parts of palygorskite powder, 5 parts of water reducer, 2 parts of dispersant, and 0.7 part of surfactant.
Embodiment 2
[0040]A new type of concrete retarder, made of the following components in proportion by weight: 5 parts of ammonium borate, 8 parts of sodium pyrophosphate, 9 parts of magnesium sulfate, 9 parts of diethylenetriaminepentamethylenephosphonic acid, carboxylate 6 parts of sodium methylcellulose, 4 parts of maltodextrin, 3 parts of sodium tartrate, 20 parts of palygorskite powder, 7 parts of water reducer, 3 parts of dispersant, and 0.8 part of surfactant.
Embodiment 3
[0042] A new type of concrete retarder, made of the following components in proportion by weight: 2 parts of ammonium borate, 3 parts of sodium pyrophosphate, 4 parts of magnesium sulfate, 6 parts of diethylenetriaminepentamethylenephosphonic acid, carboxylate 3 parts of sodium methylcellulose, 1 part of maltodextrin, 1 part of sodium tartrate, 15 parts of palygorskite powder, 4 parts of water reducer, 1 part of dispersant, and 0.5 part of surfactant.
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