Waterproof autoclaved aerated brick enhanced by doped and modified carbon nanotube

Abstract

The invention discloses a waterproof autoclaved aerated brick enhanced by a doped and modified carbon nanotube. A multi-walled carbon nanotube is modified by using a silane coupling agent, and is added to the preparation of brick body slurry, so that the mechanical property of a brick body can be improved, the capillary water absorption resistance of cement can be improved, the pore structure of cement paste is improved and the waterproof autoclaved aerated brick is very effective for improvement of the anti-permeability of the aerated concrete brick. Wastes are utilized, the raw materials are low in cost, industrial control is facilitated by the process, the prepared aerated brick is excellent in water resistance, high in strength and good in abrasive resistance, the self-weight of the brick body is reduced by the porous structure and the burden of a building is reduced.

Description

Technical field [0001] The invention relates to the technical field of autoclaved aerated concrete blocks, and in particular to an autoclaved aerated brick with a waterproof and reinforced autoclaved carbon nanotube. Background technique [0002] Autoclaved aerated concrete blocks have the advantages of light weight, high strength, good durability and a certain thermal insulation effect. They can be better applied to the load-bearing and non-load-bearing walls of industrial buildings and the use of thermal insulation. The general attention of the construction industry has become a building material that many countries vigorously promote and develop. Its raw materials are mainly fly ash and other chemical waste materials, which are mixed with cement, lime, etc. to form a slurry, and then combined with pulping, injection molding, curing and other processes. However, in some areas, due to the lack of fly ash or the shortage of fly ash resources, combined with the lack of natural si...

AI Technical Summary

Problems solved by technology

Although the strength of the aerated concrete block has been improved, its density is higher than that of ordinary aerated bricks, which increases the self-weight of the building, which requires the modification of the foaming agent used in the aerated bricks. Improve the foaming effect and foam stability to reduce the weight of the aerated brick. At the same time, it is necessary to increase the additional performance of the aerated brick to meet the development needs of the construction industry