Amphoteric early-strength polycarboxylate superplasticizer mother solution for C30 concrete
A technology of polycarboxylic acid and water reducing agent, which is applied in the field of building materials and concrete admixtures, can solve the problems of inability to exert water reducing effect, achieve good workability, promote hydration process, and improve the effect of limitations
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Embodiment 1
[0039] The polycarboxylate superplasticizer masterbatch comprises the following components in parts by weight:
[0040] 330 parts of allyl polyoxyethylene ether with a molecular weight of 4000, 22 parts of acrylic acid, 18 parts of a composition of DMC and DAC with a mass ratio of 2:1, 2 parts of 27.5% industrial grade hydrogen peroxide, 3 parts of sodium vinyl sulfonate, alkyl 2 parts of acrylate phosphate, 8 parts of 4-(acrylamide) benzoic acid, 1 part of sodium dithionite, 0.8 part of thioglycolic acid, 12 parts of industrial grade sodium hydroxide liquid caustic soda with a mass ratio of 30-32%, and the remainder is water , with a total mass of 1,000 parts, the amphoteric early-strength polycarboxylate superplasticizer mother liquor for C30 concrete with a finished product mass fraction of 40% after preparation
[0041] The specific preparation process of the amphoteric early-strength polycarboxylate superplasticizer mother liquor for C30 concrete is as follows:
[0042] ...
Embodiment 2
[0047] The polycarboxylate superplasticizer masterbatch comprises the following components in parts by weight:
[0048] 339 parts of 4000 molecular weight methallyl polyoxyethylene ether, 25 parts of acrylic acid, 11 parts of acryloyloxyethyl trimethyl ammonium chloride (DAC), 5 parts of 27.5% industrial grade hydrogen peroxide, 5.5 parts of sodium acrylsulfonate , 4 parts of methacryloyloxyethyl phosphate, 4 parts of amide small monomers, 0.4 parts of sodium dithionite, 0.4 parts of mercaptopropionic acid, 6 parts of industrial grade sodium hydroxide liquid caustic soda with a mass ratio of 30-32%, The rest is water, the total mass is 1000 parts, and the finished product mass fraction is 40% C30 amphoteric early-strength polycarboxylate superplasticizer mother liquor for concrete after preparation.
[0049] The specific preparation process of the amphoteric early-strength polycarboxylate superplasticizer mother liquor for C30 concrete is as follows:
[0050] 1. Mix 339 parts...
Embodiment 3
[0055] The polycarboxylate superplasticizer masterbatch comprises the following components in parts by weight:
[0056] 331 parts of 4000 molecular weight isopentenol polyoxyethylene ether, 23 parts of acrylic acid, 12 parts of tetrahydroxymethyl phosphonium sulfate (THPS), 3.5 parts of 27.5% industrial grade hydrogen peroxide, 6 parts of sodium styrene sulfonate, ethylene glycol methyl 4 parts of acrylate phosphate ester, 7 parts of amide small monomer, 0.9 part of sodium formaldehyde sulfoxylate, 0.8 part of mercaptopropionic acid, 11 parts of industrial grade sodium hydroxide liquid caustic soda with a mass ratio of 30-32%, and the rest is Water, the total mass is 1000 parts, and the C30 amphoteric early-strength polycarboxylate superplasticizer mother liquor for concrete with a finished product mass fraction of 40% after preparation.
[0057] The specific preparation process of the amphoteric early-strength polycarboxylate superplasticizer mother liquor for C30 concrete is...
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