A kind of environment-friendly styrene butadiene polymer permeable concrete release agent and preparation method thereof

Abstract

The invention belongs to the field of concrete release agents, and specifically discloses an environment-friendly styrene butadiene polymer permeable concrete release agent and a preparation method thereof. The release agent is calculated in parts by weight and is made from the following raw materials: 40-60 parts of water-soluble styrene butadiene polymer, 20-30 parts of calcium formate, 8-15 parts of 100-200# solvent oil, white 20-30 parts of oil, 25-40 parts of mineral oil, 25-50 parts of emulsified silicone oil, 40-100 parts of waste motor oil, 200-500 parts of glycerin, 1-5 parts of petroleum ether, 10 parts of dodecyl diethanolamide -35 parts, 1-5 parts of lauryl stearate, 1-2 parts of butyl stearate, 80-150 parts of deionized water, 0.5-2 parts of film-forming aid, 3-10 parts of rust inhibitor, Activated powder 30-60 parts. The mold release agent of the invention can prolong the service life of the mold, is convenient for cleaning, has good surface finish, good dispersibility, good anti-corrosion and anti-rust functions, is easy to demould and clean, the coating is resistant to water erosion, and can increase the amount of permeable concrete. The strength, the greater reduces the cost and improves the performance.

Description

technical field [0001] The invention belongs to the field of concrete release agents, and specifically discloses an environment-friendly styrene butadiene polymer permeable concrete release agent and a preparation method thereof. Background technique [0002] In concrete pouring, if the product sticks to the formwork, it will not only damage the surface brightness of the product, but also make it difficult to remove the formwork, which is time-consuming and labor-intensive, and increases the construction cost. Therefore, the use of release agents is very important in concrete construction. [0003] At present, there are many problems in the use of mold release agents on the market, and the effect cannot meet the requirements of permeable concrete mold release. Oil-based release agents are easy to contaminate the concrete surface and cause secondary pollution; emulsion release agents have the disadvantages of insufficient durability after film formation, easy freezing at low...

AI Technical Summary

Problems solved by technology

Compared with other types of mold release agents, this mold release agent has stable quality and long product storage period; low concentration and long service life. It can be used for many times after one spraying. Affects the secondary processing of the product, and has the advantages of maintenance performance; however, this method requires saponification reaction at 95-105°C, the process conditions are harsh, and it contains formaldehyde, which is not conducive to environmental protection requirements, and, after experiments, the demoulding The agent can not fully meet the release requirements of permeable concrete

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