A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Modified silicon carbide whisker for preparing high-strength geopolymer, quick-setting high-strength geopolymer and preparation method of quick-setting high-strength geopolymer
The invention discloses a modified silicon carbide crystal whisker for preparing a high-strength geopolymer. The modified silicon carbide crystal whisker is prepared by pickling silicon carbide crystal whisker and then modifying the silicon carbide crystal whisker with an alkali activator; the modified silicon carbide whisker is used for preparing the high-strength geopolymer, and the silicon carbide whisker is modified and used for the geopolymer, so that the binding capacity of a geopolymer matrix can be effectively improved, more nucleation points are provided for the geopolymer matrix, the reaction rate is increased, and the setting time is shortened; meanwhile, a rigid structure is effectively bridged and supported in a geopolymer matrix. According to the quick-setting high-strength geopolymer disclosed by the invention, industrial waste incinerator bottom ash and high-activity silicon-aluminum powder are taken as precursors to have a synergistic effect with the modified silicon carbide whiskers, so that the long-term strength stability is ensured while the requirement of short setting time is met, and the permeable porosity is effectively reduced; the composite material not only has the characteristics of quick setting, high strength and low permeable porosity, but also effectively reduces the problem of pollution of solid waste accumulation to atmosphere and soil environment.
本发明公开一种用于制备高强地聚合物的改性碳化硅晶须，将碳化硅晶须先经酸洗再经碱激发剂改性制得改性碳化硅晶须；将改性碳化硅晶须用于高强地聚合物的制备，通过对碳化硅晶须进行改性处理用于地聚合物，能够有效提高地聚合物基体的结合能力，为地聚合物基体提供更多的成核点位，提高反应速率，降低凝结时间，同时在地聚合物基体中有效桥接并支撑刚性结构。而本发明的快凝高强地聚合物，以工业垃圾焚烧炉底灰和高活性硅铝粉末作为前驱体与改性碳化硅晶须协同作用，满足凝结时间短的同时保证了后期强度的稳定性，有效的降低了可渗透孔隙率，不仅具有快凝、高强和低可渗透孔隙率的特点，还有效地降低了由固体废物堆积对大气与土壤环境地污染问题。
Modified silicon carbide whisker for preparing high-strength geopolymer, quick-setting high-strength geopolymer and preparation method of quick-setting high-strength geopolymer
The invention discloses a modified silicon carbide crystal whisker for preparing a high-strength geopolymer. The modified silicon carbide crystal whisker is prepared by pickling silicon carbide crystal whisker and then modifying the silicon carbide crystal whisker with an alkali activator; the modified silicon carbide whisker is used for preparing the high-strength geopolymer, and the silicon carbide whisker is modified and used for the geopolymer, so that the binding capacity of a geopolymer matrix can be effectively improved, more nucleation points are provided for the geopolymer matrix, the reaction rate is increased, and the setting time is shortened; meanwhile, a rigid structure is effectively bridged and supported in a geopolymer matrix. According to the quick-setting high-strength geopolymer disclosed by the invention, industrial waste incinerator bottom ash and high-activity silicon-aluminum powder are taken as precursors to have a synergistic effect with the modified silicon carbide whiskers, so that the long-term strength stability is ensured while the requirement of short setting time is met, and the permeable porosity is effectively reduced; the composite material not only has the characteristics of quick setting, high strength and low permeable porosity, but also effectively reduces the problem of pollution of solid waste accumulation to atmosphere and soil environment.
本发明公开一种用于制备高强地聚合物的改性碳化硅晶须，将碳化硅晶须先经酸洗再经碱激发剂改性制得改性碳化硅晶须；将改性碳化硅晶须用于高强地聚合物的制备，通过对碳化硅晶须进行改性处理用于地聚合物，能够有效提高地聚合物基体的结合能力，为地聚合物基体提供更多的成核点位，提高反应速率，降低凝结时间，同时在地聚合物基体中有效桥接并支撑刚性结构。而本发明的快凝高强地聚合物，以工业垃圾焚烧炉底灰和高活性硅铝粉末作为前驱体与改性碳化硅晶须协同作用，满足凝结时间短的同时保证了后期强度的稳定性，有效的降低了可渗透孔隙率，不仅具有快凝、高强和低可渗透孔隙率的特点，还有效地降低了由固体废物堆积对大气与土壤环境地污染问题。
Modified silicon carbide whisker for preparing high-strength geopolymer, quick-setting high-strength geopolymer and preparation method of quick-setting high-strength geopolymer
一种用于制备高强地聚合物的改性碳化硅晶须、快凝高强地聚合物及其制备方法
ZHENZHEN LU (author) / FENG BOWEN (author)
2024-06-28
Patent
Electronic Resource
Chinese
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