Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Conductive concrete admixture and preparation method thereof
The invention discloses a conductive concrete admixture and a preparation method thereof.The method introduces a carbon nano tube and copper particle assembly, and the specific preparation method comprises the following steps that firstly, carbon nano tube powder and copper particles are added into a PVA water solution according to the proportion of 1: (0.5-2), sodium cholate is added, then ultrasonic treatment is conducted, the solution is placed at the temperature of-5 DEG C to-1 DEG C for 4-5 h after ultrasonic treatment, and a mixture is obtained; then freeze-drying is performed; step 2, drying the freeze-dried aerogel at the temperature of 50 to 100 DEG C, and then pressing the freeze-dried aerogel; and 3, carrying out ball milling on the pressed aerogel and the concrete admixture, and drying to obtain the conductive concrete admixture. The combination of the carbon nanotubes and the copper particles can form an efficient conductive network, so that the concrete has excellent conductivity, and the application requirements of static electricity prevention, lightning protection, intelligent structures and the like are met. The carbon nanotubes not only provide electrical conductivity, but also can enhance the compressive strength and tensile strength of the concrete, and improve the overall mechanical properties and durability of the concrete.
本发明公开了一种导电混凝土掺加料及其制备方法，该方法引入碳纳米管和铜颗粒组装体，具体制备方法如下：步骤一，将碳纳米管粉末与铜颗粒按照比例1:(0.5～2)的比例添加至PVA的水溶液中，加入胆酸钠，然后超声，超声后将溶液置于‑5～‑1度下4～5h，然后冻干；步骤二，将冻干后的气凝胶在50～100度下进行干燥，然后压制；步骤三，将压制后的气凝胶与混凝土掺加料进行球磨，干燥后得到导电混凝土掺加料。本发明碳纳米管和铜颗粒的组合能够形成高效的导电网络，使混凝土具有优异的导电性，满足防静电、防雷电及智能结构等应用需求。碳纳米管不仅提供导电性，还能够增强混凝土的抗压强度和抗拉强度，提高其整体力学性能和耐久性。
Conductive concrete admixture and preparation method thereof
The invention discloses a conductive concrete admixture and a preparation method thereof.The method introduces a carbon nano tube and copper particle assembly, and the specific preparation method comprises the following steps that firstly, carbon nano tube powder and copper particles are added into a PVA water solution according to the proportion of 1: (0.5-2), sodium cholate is added, then ultrasonic treatment is conducted, the solution is placed at the temperature of-5 DEG C to-1 DEG C for 4-5 h after ultrasonic treatment, and a mixture is obtained; then freeze-drying is performed; step 2, drying the freeze-dried aerogel at the temperature of 50 to 100 DEG C, and then pressing the freeze-dried aerogel; and 3, carrying out ball milling on the pressed aerogel and the concrete admixture, and drying to obtain the conductive concrete admixture. The combination of the carbon nanotubes and the copper particles can form an efficient conductive network, so that the concrete has excellent conductivity, and the application requirements of static electricity prevention, lightning protection, intelligent structures and the like are met. The carbon nanotubes not only provide electrical conductivity, but also can enhance the compressive strength and tensile strength of the concrete, and improve the overall mechanical properties and durability of the concrete.
本发明公开了一种导电混凝土掺加料及其制备方法，该方法引入碳纳米管和铜颗粒组装体，具体制备方法如下：步骤一，将碳纳米管粉末与铜颗粒按照比例1:(0.5～2)的比例添加至PVA的水溶液中，加入胆酸钠，然后超声，超声后将溶液置于‑5～‑1度下4～5h，然后冻干；步骤二，将冻干后的气凝胶在50～100度下进行干燥，然后压制；步骤三，将压制后的气凝胶与混凝土掺加料进行球磨，干燥后得到导电混凝土掺加料。本发明碳纳米管和铜颗粒的组合能够形成高效的导电网络，使混凝土具有优异的导电性，满足防静电、防雷电及智能结构等应用需求。碳纳米管不仅提供导电性，还能够增强混凝土的抗压强度和抗拉强度，提高其整体力学性能和耐久性。
Conductive concrete admixture and preparation method thereof
一种导电混凝土掺加料及其制备方法
ZHANG XINJIE (Autor:in)
15.11.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
Concrete admixture, preparation method thereof and concrete added with concrete admixture
| Europäisches Patentamt | 2020