A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Interface repairing agent for concrete as well as preparation method and application of interface repairing agent
The invention belongs to the technical field of preparation of new and old concrete interface repairing agents, and discloses an interface repairing agent for concrete as well as a preparation method and application of the interface repairing agent. The interface repairing agent for concrete comprises a sodium fluosilicate solution and a PSCA solution, the solution of the PSCA is prepared from potassium hydroxide, N-(beta-aminoethyl)-gamma-aminopropyl trimethoxy silane and water. According to the method, the sodium fluosilicate solution and the PSCA solution are sprayed to the surface of the to-be-repaired concrete, then the to-be-repaired concrete is repaired, and the repaired concrete is obtained. The repaired concrete has excellent bonding performance of new and old concrete interfaces, the repaired concrete has excellent acid resistance, and the bonding performance of the interface of the concrete corroded by acid can still reach a high level.
本发明属于新旧混凝土界面修补剂的制备技术领域，本发明公开了一种混凝土用界面修补剂及其制备方法与应用。本发明所述混凝土用界面修补剂包括氟硅酸钠的溶液和PSCA的溶液；所述PSCA的溶液包括氢氧化钾、N‑(β‑氨乙基)‑γ‑氨丙基三甲氧基硅烷和水。本发明通过在待修补混凝土的表面分别喷涂氟硅酸钠的溶液和PSCA的溶液，再进行待修补混凝土的修补，得到修补后的混凝土。修补后的混凝土具有优异的新旧混凝土界面的粘结性能，且修补后的混凝土具有优异的耐酸性，经酸腐蚀后的混凝土的界面粘结性能仍可达到较高水平。
Interface repairing agent for concrete as well as preparation method and application of interface repairing agent
The invention belongs to the technical field of preparation of new and old concrete interface repairing agents, and discloses an interface repairing agent for concrete as well as a preparation method and application of the interface repairing agent. The interface repairing agent for concrete comprises a sodium fluosilicate solution and a PSCA solution, the solution of the PSCA is prepared from potassium hydroxide, N-(beta-aminoethyl)-gamma-aminopropyl trimethoxy silane and water. According to the method, the sodium fluosilicate solution and the PSCA solution are sprayed to the surface of the to-be-repaired concrete, then the to-be-repaired concrete is repaired, and the repaired concrete is obtained. The repaired concrete has excellent bonding performance of new and old concrete interfaces, the repaired concrete has excellent acid resistance, and the bonding performance of the interface of the concrete corroded by acid can still reach a high level.
本发明属于新旧混凝土界面修补剂的制备技术领域，本发明公开了一种混凝土用界面修补剂及其制备方法与应用。本发明所述混凝土用界面修补剂包括氟硅酸钠的溶液和PSCA的溶液；所述PSCA的溶液包括氢氧化钾、N‑(β‑氨乙基)‑γ‑氨丙基三甲氧基硅烷和水。本发明通过在待修补混凝土的表面分别喷涂氟硅酸钠的溶液和PSCA的溶液，再进行待修补混凝土的修补，得到修补后的混凝土。修补后的混凝土具有优异的新旧混凝土界面的粘结性能，且修补后的混凝土具有优异的耐酸性，经酸腐蚀后的混凝土的界面粘结性能仍可达到较高水平。
Interface repairing agent for concrete as well as preparation method and application of interface repairing agent
一种混凝土用界面修补剂及其制备方法与应用
ZHANG XINMIN (author) / ZHANG YU (author) / ZHANG SHOUQI (author) / DAI XIHUA (author) / MEI BO (author) / LUO JIQING (author) / XU SHUOHUA (author)
2024-01-09
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2024
| European Patent Office | 2024