Alkali-resistant moisture-proof powder and its production process and construction method

Abstract

The invention relates to an alkali resistant dampproof powder, a production technology thereof, and a construction method thereof. The alkali resistant dampproof powder is prepared from raw materials of, by weight: 15% to 35% of plaster powder, 8% to 10% of glass powder, 10% to 20% of oxalic acid, 1% to 5% of sodium nitrite, 8% to 15% of calcium powder, 3% to 8% of methylcellulose, 9% to 17% of mirabilitum dehydratum, 1% to 3% of ligneous calcium sulphonate, 4% to 6% of citric acid, and 3% to 6% of crystallized aluminum chloride. Preferably, the alkali resistant dampproof powder is prepared from raw materials of, by weight: 24% of plaster powder, 15% of glass powder, 12% of oxalic acid, 3% of sodium nitrite, 13.5% of calcium powder, 6% of methylcellulose, 17% of mirabilitum dehydratum, 2.5% of ligneous calcium sulphonate, 4% of citric acid, and 3% of crystallized aluminum chloride. The powder provided by the invention is suitable to be applied in alkali resistant dampproof treatment after interior and exterior wall prime coating. The powder has characteristics of alkali resisting and dampproof. The powder is nontoxic. With the powder, reprocessing rate caused by alkali can be reduced. The alkali resistant dampproof powder is proofed by a safe material test of the national testing center, and satisfies the requirements of the national interior decoration material toxicity test.

Description

technical field [0001] The invention relates to a formula of an alkali-resistant and moisture-proof material, a production process and a construction method thereof, in particular to a formula of a product with an alkali-resistant and moisture-proof function, a production process and a construction method thereof. Background technique [0002] At present, the domestic construction industry is using special materials for scraping large white and internal and external walls as building decoration materials. Traditionally used: 1. The main components of scraping large white are: gypsum, talcum powder, lime paste, white cement, large white powder, cellulose , 107 glue, resin glue, tapioca starch, etc. are prepared into scraping white materials. Due to the high alkali content of water in saline-alkali areas in my country, especially in coastal areas and river banks, the problem of pan-alkali is more serious. The water used in the construction process makes the surface of the wall...

AI Technical Summary

Problems solved by technology

Due to the high alkali content of water in saline-alkali areas in my country, especially in coastal areas and river banks, the problem of pan-alkali is more serious. The water used in the construction process makes the surface of the wall bulging, peeling, peeling, and Shedding, powdering, dark spots, and pan-alkali are serious, and the anti-yellowing properties of these products are poor, and the service life is only 1 to 3 years

In addition, formaldehyde is contained in 107 glue, which is harmful to human body.

2. The special material used for the primer on the inner and outer walls is made of: acrylate powder, talcum powder, and styrene-acrylic emulsion. However, due to the poor affinity of the material, this product affects the construction quality, and its construction process is complicated. The difficulty of construction is also relatively large

In view of the above problems, the existing construction method is to apply some waterproof materials on the wall after the internal and external walls are primed, such as: sealing wall primer and other products. The relatively well-known ones include China Resources, Nippon, Dulux, etc. but not ideal

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