A kind of interface agent for steel structure inner wall with anti-corrosion coating

Abstract

The invention relates to an interface agent for steel structure interior walls with an anti-corrosion coating, comprising the following raw materials in parts by weight: 200-600 parts of cement, 200-800 parts of sand, 30-100 parts of redispersible latex powder, and cellulose ether 0.5-3.0 parts, triethanolamine 0.05-0.30 parts. The beneficial effect is: the interface agent can improve the bonding performance between the steel structure with anti-corrosion coating and the plastering mortar; and the interface agent has better affinity with the steel structure with anti-corrosion coating, and the bonding strength is higher; Cement and redispersible latex powder form a composite cementitious material system. Cement is used for rapid hydration at the initial stage to provide initial bond strength. Redispersible latex powder is emulsified into a film after contacting with water, and forms a hydration product with cement. The interpenetrating network structure forms good bonding performance and certain deformation resistance on the steel structure with anti-corrosion coating; cellulose ether can improve the construction and water retention performance of the interface agent, and assist the improvement of the bonding performance of the interface agent Effect; triethanolamine can accelerate the strength growth rate and improve the bonding performance of the interface agent.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to an interface agent for an inner wall of a steel structure with an anti-corrosion coating. Background technique [0002] Compared with traditional houses, steel structure houses have strong advantages in terms of structural performance, use function, design and construction, and comprehensive cost. The development of steel structure houses has epoch-making significance in promoting the industrialization of houses and improving the quality of houses, which is beneficial to my country's construction industry. Technological progress in the industry is conducive to stimulating domestic demand in the metallurgical industry and promoting the development of energy-saving and environmentally friendly building materials, which is one of the transformation and upgrading directions of the construction industry. Envelope system is an important system for steel structure residences. ...

AI Technical Summary

Problems solved by technology

The interface agent is used as the connection layer between the base layer and the cladding layer of the enclosure system. Its bonding strength is a very important indicator. Due to the insufficient performance of the interface agent, the enclosure system is hollowed out, falling off, and poorly bonded. Emerge in endlessly, and the existing interfacial agents are mostly only used for bonding between the concrete wall surface and the cladding material, and currently there is still a lack of interfacial agents specially suitable for steel structure interior walls with anti-corrosion coatings

[0004] Compared with the steel structure, the concrete wall surface has more pores on the surface, and the mechanical and chemical bonding force between the interface agent and the interface agent is greater, while the surface of the steel structure with anti-corrosion coating is relatively smooth and has extremely low water absorption, so the steel structure The requirements for the bonding performance of the interface agent are higher. Therefore, the bonding performance of the interface agent used in traditional concrete structures and masonry structures cannot meet the requirements.

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