Water-proof concrete mortar additive agent, preparing method and method of use thereof

Abstract

The present invention relates to a water-proof cement additive, a method for producing the water-proof cement additive, and a method for using the water-proof cement additive. The water-proof cement additive comprises the ingredients in weight percent: 20 to 25 percent of dodecyl polyethenoxy ether, 10 to 15 percent of 40000 molecular weight extension substances of droxyethylcellulose ether, 15 to 25 percent of stearic acid, 5 to 10 percent of polyacrylamide, and 25 to 50 percent of fly ash. The production method comprises that: according to the ratio, all raw materials are fed inside a closed container to be mixed and have the composite reaction at the temperature of 20 to 30 DEG C and under the working pressure of 10 MPa; the reaction product is mixed to be a uniform mixture, and the finished product can be obtained. When painting the external wall, the weight ratio of the cement to the sand and the water-proof cement additive is 1: 4.5: 0.2 to 1:5:0.2. When painting the inner wall, the weight ratio among the cement, the sand and the water-proof cement additive is 1:5.5:.02 to 1:6:0.2. The present invention can improve the water-proof performance of the cement and the cement sand pulp and can save the cement while guaranteeing the use property.

Description

technical field [0001] The invention relates to a building material and its production method and its use method, in particular to a waterproof cement additive and its production method and its use method. Background technique [0002] Cement is a basic building material with a wide range of applications. Its main uses are masonry, painting, tile bonding, making cement bricks, cement concrete, cement products, etc. The problem of performance defects of cement products is also a problem that technicians in this industry are working on. Explore the puzzle. In the prior art, the waterproof function of cement is enhanced by adding external additives to cement, such as combining glue products with cement to solve the waterproof problem. If it is damaged, this function cannot repair it, and an irreparable defect occurs. All in all, a common problem of all types of waterproofing agents on the market is that they do not address the performance defects of the cement product itself ...

AI Technical Summary

Problems solved by technology

[0003] 1. The durability of cement concrete is not good, the thermal expansion and contraction coefficient of cement is very large, it is easy to crack and weather; the cement has poor high temperature resistance, and it is easy to burst;

[0004] 2. The water resistance of cement mortar is very poor. The reason is that 30% of the cement is not used, and the utilization rate of cement is only about 67% to 70%. Poor density, bleeding, easy delamination

[0005] 3. Cement is an alkaline material. If the amount is too large, it will cause serious pollution to groundwater after solidification

[0006] The above defects are all due to the defects of the cement product itself, which inevitably lead to the performance defects of cement concrete and cement mortar, and the above problems cannot be solved only by changing its own performance.