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A platform for research: civil engineering, architecture and urbanism
High-ductility cement-based repair material with high interface permeability and preparation method thereof
The invention discloses a high-ductility cement-based repair material with high interface permeability and a preparation method thereof. The high-ductility cement-based repair material with the high interface permeability is prepared from the following raw materials in percentage by mass: 80 to 90 percent of Portland cement, 2 to 4 percent of a monomer, 0.1 to 0.3 percent of an initiator, 0.05 to 0.1 percent of a cross-linking agent, 0.05 to 0.1 percent of graphene oxide, 0.5 to 1.5 percent of a de-foaming agent and the balance of water. According to the invention, a monomer is used as an original polymerization precursor, is promoted by an initiator and is uniformly dispersed in a cement-based cementing material, a tough three-dimensional network structure is formed, the high-ductility cement-based cementing material with high interface permeability has better bonding performance, and compared with traditional redispersible rubber powder modified cement, the 28d breaking strength is improved by 110-120%, and the compressive strength is improved by 100-120%. The 28d tensile strength is improved by 150-200%, and the bonding strength is improved by 100-150%. The invention provides a new method for improving the toughness and high interface permeability of the cement.
本发明公开了一种高界面渗透的高延性水泥基修复材料及制备方法。本发明的高界面渗透的高延性水泥基修复材料，按质量百分数计，包括如下原材料：硅酸盐水泥：80‑90％，单体：2‑4％，引发剂：0.1‑0.3％，交联剂：0.05‑0.1％，氧化石墨烯：0.05‑0.1％，消泡剂：0.5‑1.5％，余量为水。本发明以单体作为原为聚合的前驱体，通过引发剂促发，均匀分散在水泥基胶凝材料中，并形成韧性的三维网络结构，高界面渗透的高延性水泥基胶凝材料具有较好的粘结性能，与传统可再分散性胶粉改性水泥相比，28d抗折强度提高110‑120％，28d抗拉强度提高150‑200％，粘结强度提高100‑150％。本发明为提高水泥韧性，高界面渗透性提供新方法。
High-ductility cement-based repair material with high interface permeability and preparation method thereof
The invention discloses a high-ductility cement-based repair material with high interface permeability and a preparation method thereof. The high-ductility cement-based repair material with the high interface permeability is prepared from the following raw materials in percentage by mass: 80 to 90 percent of Portland cement, 2 to 4 percent of a monomer, 0.1 to 0.3 percent of an initiator, 0.05 to 0.1 percent of a cross-linking agent, 0.05 to 0.1 percent of graphene oxide, 0.5 to 1.5 percent of a de-foaming agent and the balance of water. According to the invention, a monomer is used as an original polymerization precursor, is promoted by an initiator and is uniformly dispersed in a cement-based cementing material, a tough three-dimensional network structure is formed, the high-ductility cement-based cementing material with high interface permeability has better bonding performance, and compared with traditional redispersible rubber powder modified cement, the 28d breaking strength is improved by 110-120%, and the compressive strength is improved by 100-120%. The 28d tensile strength is improved by 150-200%, and the bonding strength is improved by 100-150%. The invention provides a new method for improving the toughness and high interface permeability of the cement.
本发明公开了一种高界面渗透的高延性水泥基修复材料及制备方法。本发明的高界面渗透的高延性水泥基修复材料，按质量百分数计，包括如下原材料：硅酸盐水泥：80‑90％，单体：2‑4％，引发剂：0.1‑0.3％，交联剂：0.05‑0.1％，氧化石墨烯：0.05‑0.1％，消泡剂：0.5‑1.5％，余量为水。本发明以单体作为原为聚合的前驱体，通过引发剂促发，均匀分散在水泥基胶凝材料中，并形成韧性的三维网络结构，高界面渗透的高延性水泥基胶凝材料具有较好的粘结性能，与传统可再分散性胶粉改性水泥相比，28d抗折强度提高110‑120％，28d抗拉强度提高150‑200％，粘结强度提高100‑150％。本发明为提高水泥韧性，高界面渗透性提供新方法。
High-ductility cement-based repair material with high interface permeability and preparation method thereof
一种高界面渗透的高延性水泥基修复材料及其制备方法
TAN HONGBO (author) / LI MAOGAO (author) / DENG XIUFENG (author) / ZHANG SHIXUAN (author) / WANG YIFAN (author)
2024-10-11
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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