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Sodium sulfanilate modified polycarboxylate superplasticizer and preparing method of sodium sulfanilate modified polycarboxylate superplasticizer
The invention relates to a sodium sulfanilate modified polycarboxylate superplasticizer and a preparing method of the sodium sulfanilate modified polycarboxylate superplasticizer, and belongs to the technical field of material synthesis. The effects of reducing the slump losses and improving the mechanical property are achieved. The preparing method includes the following steps: methylbenzene serves as solvents, sodium sulfanilate and maleic anhydride are reacted under the temperature condition ranging from 55 DEG C to 65 DEG C to generate corresponding intermediate products, then the solvents are removed, and water is added to prepare a corresponding intermediate product aqueous solution; polyether macromonomer, crylic acid and sodium methallyl sulfonate are added into the intermediate product aqueous solution to be stirred to be evenly mixed, then oxidizing agents and reducing agents are added, and stirring is carried out to enable the mixture to be reacted to generate the inter polymer sodium sulfanilate modified polycarboxylate superplasticizer. The sodium sulfanilate modified polycarboxylate superplasticizer and the preparing method have the advantages that the dispersing capacity and the concrete peaceability of the polymer can be improved, and the concrete slump losses can be remarkably reduced.
Sodium sulfanilate modified polycarboxylate superplasticizer and preparing method of sodium sulfanilate modified polycarboxylate superplasticizer
The invention relates to a sodium sulfanilate modified polycarboxylate superplasticizer and a preparing method of the sodium sulfanilate modified polycarboxylate superplasticizer, and belongs to the technical field of material synthesis. The effects of reducing the slump losses and improving the mechanical property are achieved. The preparing method includes the following steps: methylbenzene serves as solvents, sodium sulfanilate and maleic anhydride are reacted under the temperature condition ranging from 55 DEG C to 65 DEG C to generate corresponding intermediate products, then the solvents are removed, and water is added to prepare a corresponding intermediate product aqueous solution; polyether macromonomer, crylic acid and sodium methallyl sulfonate are added into the intermediate product aqueous solution to be stirred to be evenly mixed, then oxidizing agents and reducing agents are added, and stirring is carried out to enable the mixture to be reacted to generate the inter polymer sodium sulfanilate modified polycarboxylate superplasticizer. The sodium sulfanilate modified polycarboxylate superplasticizer and the preparing method have the advantages that the dispersing capacity and the concrete peaceability of the polymer can be improved, and the concrete slump losses can be remarkably reduced.
Sodium sulfanilate modified polycarboxylate superplasticizer and preparing method of sodium sulfanilate modified polycarboxylate superplasticizer
YANG XIAOHUA (Autor:in) / YE CIBIAO (Autor:in) / YANG FEI (Autor:in) / TAN HONGBO (Autor:in) / YANG HAIMING (Autor:in) / ZHANG LONG (Autor:in)
01.04.2015
Patent
Elektronische Ressource
Englisch
| Europäisches Patentamt | 2021
| Europäisches Patentamt | 2023
| Europäisches Patentamt | 2023
| Europäisches Patentamt | 2023