Conducting concrete using polyaniline as conducting phase and preparation method thereof

Abstract

The invention belongs to the field of a composite material, and particularly relates to conducting concrete using polyaniline as a conducting phase and a preparation method thereof. The conducting concrete using polyaniline as the conducting phase is prepared from the following ingredients in parts by weight: 100 to 200 parts of cement, 100 to 200 parts of sand, 15 to 150 parts of conducting polyaniline, 0.15 to 1.5 parts of dispersing agents and 50 to 200 parts of water. The preparation method is simple. Firstly, the conducting polyaniline, the dispersing agent and the water are mixed according to the weight parts; then, the ball milling dispersion is performed; next, all dispersing liquid is sufficiently stirred and mixed with the weight parts of cement and sand; next, the mixture is poured into a template; the processes of mold dismounting, maintaining, drying and the like are performed; finally, the conducting concrete using polyaniline as the conducting phase is obtained. The conducting concrete using polyaniline as the conducting phase prepared by the method and the raw material proportion provided by the invention has the advantages that the electric resistivity can be reduced to 69.0 ohm.cm; the voltage withstanding intensity can reach 35.7MPa; the conducting concrete is completely applicable to industrial production.

Description

technical field [0001] The invention belongs to the field of composite materials, and in particular relates to a conductive concrete with polyaniline as a conductive phase and a preparation method thereof. Background technique [0002] Conductive concrete is made by adding a certain amount of conductive component materials to ordinary concrete to make concrete with certain electrical conductivity and mechanical properties. The resistivity of ordinary concrete is generally 10 6 -10 9 In the range of Ω·cm, it is neither an insulator nor a good conductor. Adding a certain amount of conductive components to concrete can greatly improve its electrical conductivity, thus becoming a conductor with good electrical conductivity. At present, the conductive medium used to prepare conductive concrete generally has the following categories: graphite, carbon fiber, steel slag, steel fiber, etc. [0003] Graphite is an easily available inorganic material, which not only has good electr...

AI Technical Summary

Problems solved by technology

However, tests have shown that steel slag particles need to be ground finer to make concrete have better conductivity. It is hard and difficult to grind, and consumes more energy. At the same time, steel slag is seriously polluted by industry, which limits its application range.

[0007] In summary, there is a lack of a method in the prior art to independently incorporate suitable conductive materials into concrete and make the concrete have better conductivity, greater compressive strength and better environmental stability

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