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The invention provides a modified urea aldehyde group reinforcing material which comprises a component A, a component B and a component C in a mass ratio of 1: (0.1-0.5): (0.05-0.3), the component A is a urea-formaldehyde resin prepolymer solution, the viscosity of the urea-formaldehyde resin prepolymer solution at 25 DEG C is 400-1000 mPa.s, the component B is a phenolic resin prepolymer solution, the viscosity of the phenolic resin prepolymer solution at 25 DEG C is 400-1000 mPa.s, the viscosity of the phenolic resin prepolymer solution at 25 DEG C is 400-1000 mPa.s, and the viscosity of the phenolic resin prepolymer solution at 25 DEG C is 400-1000 mPa.s. The viscosity of the phenolic resin prepolymer solution at 25 DEG C is 400-5000 mPa. S; and the component C comprises at least one of acid, acidic salt, urea, ammonia water and hexamethylenetetramine. According to the modified urea aldehyde group reinforcing material, the component A, the component B and the component C are mixed and injected into a crack or a grouting hole, rapid curing can be achieved, the reinforcing material formed through curing has good mechanical performance, volume stability and permeability, the content of free formaldehyde is smaller than or equal to 0.03 wt%, and the reinforcing material is not hydrolyzed or deformed in water.
本发明提供了一种改性脲醛基加固材料，该改性脲醛基加固材料的原料包括质量比1:(0.1～0.5):(0.05～0.3)的A组分、B组分和C组分，其中，A组分为脲醛树脂预聚物溶液，脲醛树脂预聚物溶液在25℃下的粘度为400～1000mPa.s，B组分为酚醛树脂预聚物溶液，酚醛树脂预聚物溶液在25℃下粘度为400～5000mPa.s；C组分包括酸、酸性盐、尿素、氨水、六次甲基四胺中的至少一种。本申请提供的改性脲醛基加固材料将A、B和C组分混合注入裂缝或注浆孔中即可快速固化，固化形成的加固材料不仅具备良好的力学性能、体积稳定性和渗透性能，而且游离甲醛含量≤0.03wt％，在水中不水解不变形。
The invention provides a modified urea aldehyde group reinforcing material which comprises a component A, a component B and a component C in a mass ratio of 1: (0.1-0.5): (0.05-0.3), the component A is a urea-formaldehyde resin prepolymer solution, the viscosity of the urea-formaldehyde resin prepolymer solution at 25 DEG C is 400-1000 mPa.s, the component B is a phenolic resin prepolymer solution, the viscosity of the phenolic resin prepolymer solution at 25 DEG C is 400-1000 mPa.s, the viscosity of the phenolic resin prepolymer solution at 25 DEG C is 400-1000 mPa.s, and the viscosity of the phenolic resin prepolymer solution at 25 DEG C is 400-1000 mPa.s. The viscosity of the phenolic resin prepolymer solution at 25 DEG C is 400-5000 mPa. S; and the component C comprises at least one of acid, acidic salt, urea, ammonia water and hexamethylenetetramine. According to the modified urea aldehyde group reinforcing material, the component A, the component B and the component C are mixed and injected into a crack or a grouting hole, rapid curing can be achieved, the reinforcing material formed through curing has good mechanical performance, volume stability and permeability, the content of free formaldehyde is smaller than or equal to 0.03 wt%, and the reinforcing material is not hydrolyzed or deformed in water.
本发明提供了一种改性脲醛基加固材料，该改性脲醛基加固材料的原料包括质量比1:(0.1～0.5):(0.05～0.3)的A组分、B组分和C组分，其中，A组分为脲醛树脂预聚物溶液，脲醛树脂预聚物溶液在25℃下的粘度为400～1000mPa.s，B组分为酚醛树脂预聚物溶液，酚醛树脂预聚物溶液在25℃下粘度为400～5000mPa.s；C组分包括酸、酸性盐、尿素、氨水、六次甲基四胺中的至少一种。本申请提供的改性脲醛基加固材料将A、B和C组分混合注入裂缝或注浆孔中即可快速固化，固化形成的加固材料不仅具备良好的力学性能、体积稳定性和渗透性能，而且游离甲醛含量≤0.03wt％，在水中不水解不变形。
Modified urea aldehyde group reinforcing material, preparation method thereof and open pit coal mine slope reinforcing method
改性脲醛基加固材料及其制备方法和露天煤矿边坡加固方法
2023-11-07
Patent
Electronic Resource
Chinese
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