High-efficiency set retarder used for 3D printing house slurry

Abstract

The invention belongs to the technical field of building materials, and concretely relates to a high-efficiency set retarder used for a 3D printing house slurry, and a use method thereof. The high-efficiency set retarder used for the 3D printing house slurry comprises, by weight, 35-55 parts of citric acid, 15-30 parts of trisodium phosphate, 15-35 parts of sucrose, 1-5 parts of calcium lignosulfonate and 5-20 parts of sugar calcium. The high-efficiency set retarder used for the 3D printing house slurry prolongs the initial setting time of a gelling material by 30-100 min and prolongs the final setting time by 20-80 min; the high-efficiency set retarder used for the 3D printing house slurry can reduce the internal temperature rising of a gelling material product, and also can delay the appearance of a temperature peak in order to reduce the temperature stress of the product and improve the crack resistance; and the high-efficiency set retarder used for the 3D printing house slurry can save 10-20% of the gelling material, so the production cost is greatly reduced.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a high-efficiency retarder for 3D printing house slurry and its application method. Background technique [0002] 3D printing (3DP) is a kind of rapid prototyping technology. It is a technology based on digital model files and using bondable materials such as powdered metal or plastic to construct objects by layer-by-layer printing. [0003] 3D printing is usually achieved using digital technology material printers. It is often used to make models in the fields of mold manufacturing and industrial design, and is gradually used in the direct manufacture of some products. There are already parts printed using this technology. The technology has applications in jewelry, footwear, industrial design, architecture, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineerin...

AI Technical Summary

Problems solved by technology

Not to mention that the use of glass fiber is prohibited by some countries due to its environmental protection issues. The accuracy, efficiency and cost of this technology must be strictly calculated. Therefore, the current domestic 3D printing construction market is still in the model stage, and it is difficult to officially put it into production.

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