Concrete air entraining agent with good foam stability
A technology of concrete and air-entraining agent, which is applied in the field of building materials, can solve the problems of foam stability and compatibility to be further improved, and achieve the effect of improving the stability of bubbles, good compounding, and improving the workability of concrete
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Embodiment 1
[0031] A concrete air-entraining agent with good foam stability is characterized in that it is made of the following raw materials in parts by weight: 20 parts of rosin-based hyperbranched surfactants, 1,4-cyclohexanedimethanol bis(3,4- Epoxy cyclohexane carboxylate) ester / 4,4'-diamino-3,3'-biphenyl disulfonic acid condensation polymer 5 parts, pokeweed saponin C 0.1 part, 2-acrylic acid-hexahydro-4,7- Methylene-1H-indenyl ester / 2-hydroxy-3-butenyl glucosinolate / vinyltrimethoxysilane / polyethylene glycol monoallyl ether copolymer 5 parts, hyperbranched polyglycerin 8 parts, 70 parts of water.
[0032] The preparation method of the 1,4-cyclohexanedimethanol bis(3,4-epoxycyclohexanecarboxylic acid) ester / 4,4'-diamino-3,3'-biphenyldisulfonic acid polycondensate, Including the following steps: oxidizing 1,4-cyclohexanedimethanol bis(3,4-epoxycyclohexanecarboxylate), 4,4'-diamino-3,3'-biphenyldisulfonic acid, hydrogen Sodium was added to tetrahydrofuran, and the reaction was stirr...
Embodiment 2
[0036] A concrete air-entraining agent with good foam stability is characterized in that it is made of the following raw materials in parts by weight: 23 parts of rosin-based hyperbranched surfactants, 1,4-cyclohexanedimethanol bis(3,4- Epoxy cyclohexane carboxylate) ester / 4,4'-diamino-3,3'-biphenyl disulfonic acid condensation polymer 6 parts, pokeweed saponin C 0.5 part, 2-acrylic acid-hexahydro-4,7- Methylene-1H-indenyl ester / 2-hydroxy-3-butenyl glucosinolate / vinyltrimethoxysilane / polyethylene glycol monoallyl ether copolymer 6 parts, hyperbranched polyglycerin 9 parts, 75 parts of water.
[0037] The preparation method of the 1,4-cyclohexanedimethanol bis(3,4-epoxycyclohexanecarboxylic acid) ester / 4,4'-diamino-3,3'-biphenyldisulfonic acid polycondensate, Including the following steps: oxidizing 1,4-cyclohexanedimethanol bis(3,4-epoxycyclohexanecarboxylate), 4,4'-diamino-3,3'-biphenyldisulfonic acid, hydrogen Potassium was added to N,N-dimethylformamide, stirred and react...
Embodiment 3
[0041] A concrete air-entraining agent with good foam stability is characterized in that it is made of the following raw materials in parts by weight: 25 parts of rosin-based hyperbranched surfactants, 1,4-cyclohexanedimethanol bis(3,4- Epoxy cyclohexane carboxylate) ester / 4,4'-diamino-3,3'-biphenyl disulfonic acid condensation polymer 7.5 parts, pokeweed saponin C 0.9 part, 2-acrylic acid-hexahydro-4,7- Methylene-1H-indenyl ester / 2-hydroxy-3-butenyl glucosinolate / vinyltrimethoxysilane / polyethylene glycol monoallyl ether copolymer 7.5 parts, hyperbranched polyglycerol 12 parts, 80 parts of water.
[0042] The preparation method of the 1,4-cyclohexanedimethanol bis(3,4-epoxycyclohexanecarboxylic acid) ester / 4,4'-diamino-3,3'-biphenyldisulfonic acid polycondensate, Including the following steps: oxidizing 1,4-cyclohexanedimethanol bis(3,4-epoxycyclohexanecarboxylate), 4,4'-diamino-3,3'-biphenyldisulfonic acid, hydrogen Sodium was added to N,N-dimethylacetamide, stirred and rea...
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