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Reinforcement and protection agent for surface slogan of earth wall and attached mortar layer and preparation method thereof

A technology for strengthening the protective agent and mortar layer, applied in the direction of coating, etc., can solve the problem of undiscovered silicone-modified acrylate emulsion, etc., achieve good electrolyte stability and dilution stability, strong water resistance, and transparent film formation good sex effect

Inactive Publication Date: 2017-05-10
JINGGANGSHAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] After retrieval, although acrylic acid and its silicone-modified acrylate emulsion have been researched a lot at home and abroad, however, no literature reports have been found on the use of silicone-modified acrylate emulsion as a protective enhancer for slogans on the surface of soil walls.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Butyl acrylate, methyl methacrylate, hydroxyethyl methacrylate and rosin are used as copolymer materials, and are measured in a mass ratio of 15:15:3:0.3; the mass fraction is 80% deionized water and 4% mass fraction Add the compound surfactant into the there-necked bottle and heat at 50°C for 30 minutes to mix evenly, add 1 / 3 of the copolymer material, stir for 30 minutes to form a stable emulsion, add 1 / 3 of the mass fraction of the initiator, and slowly heat up to 80~ Carry out emulsion polymerization reaction at 85°C. When blue fluorescence appears in the system, react for 1~1.5h, and slowly add the remaining 2 / 3 of the copolymer material and the remaining 2 / 3 of the initiator dropwise at the same time (the addition is completed in 2h); react for 1.5h, When the remaining 1 / 4 of the original volume of the copolymer material, quickly add the silane coupling agent KH-570, and continue the reaction for 1.5 hours. After the reaction, cool the system temperature to below 4...

Embodiment 2

[0022] Butyl acrylate, methyl methacrylate, hydroxyethyl methacrylate and rosin are used as copolymer materials, and are measured in a mass ratio of 15:15:3:0.6; the mass fraction is 80% deionized water and 4% mass fraction Add the compound surfactant into the three-necked bottle and heat at 50°C for 30 minutes to mix evenly, add 1 / 3 of the copolymer material, stir for 45 minutes to form a stable emulsion, add 1 / 3 of the mass fraction of the initiator, and slowly heat up to 80~ Carry out emulsion polymerization reaction at 85°C. When blue fluorescence appears in the system, react for 1~1.5h, and slowly add the remaining 2 / 3 of the copolymer material and the remaining 2 / 3 of the initiator dropwise at the same time (the addition is completed in 2h); react for 1.5h, When the remaining 1 / 4 of the original volume of the copolymer material, quickly add the silane coupling agent KH-570, and continue the reaction for 1.5 hours. After the reaction, cool the system temperature to below 4...

Embodiment 3

[0024]Butyl acrylate, methyl methacrylate, hydroxyethyl methacrylate and rosin are used as copolymer materials, and are measured in a mass ratio of 15:15:3:0.9; the mass fraction is 80% deionized water and 4% mass fraction Add the composite surfactant into the there-necked bottle and heat at 50°C for 30 minutes to mix evenly, add 1 / 3 of the copolymer material, stir for 60 minutes to form a stable emulsion, add 1 / 3 of the mass fraction of the initiator, and slowly heat up to 80~ Carry out emulsion polymerization reaction at 85°C. When blue fluorescence appears in the system, react for 1~1.5h, and slowly add the remaining 2 / 3 of the copolymer material and the remaining 2 / 3 of the initiator dropwise at the same time (the addition is completed in 2h); react for 1.5h, When the remaining 1 / 4 of the original volume of the copolymer material, quickly add the silane coupling agent KH-570, and continue the reaction for 1.5 hours. After the reaction, cool the system temperature to below 4...

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Abstract

The invention relates to a reinforcement protection agent for mud wall and attached mortar layer surface slogans and a preparation method thereof. Methyl methacrylate, butyl acrylate, hydroxyethyl methylacrylate and a silane coupling agent KH570 are adopted as copolymerization monomers, and the natural renewable resource rosin is added thereinto by means of blending or copolymerization, a seeded emulsion polymerization technique is employed to prepare a rosin reinforced organosilicon modified acrylic ester emulsion. The reinforcement protection agent provided by the invention has the advantages of: good electrolyte resistant stability and dilution stability, good transparency of formed film, strong water resistance, and fast permeation rate to the mud wall and attached mortar layer.

Description

technical field [0001] The invention relates to a reinforcing and protecting agent, in particular to a reinforcing and protecting agent for slogans on the surface of an earth wall and an attached mortar layer and a preparation method thereof. Background technique [0002] The unique revolutionary red slogan in the Jinggangshan area is not only a precious historical witness of the Jinggangshan struggle, but also a precious historical wealth. However, with the development of economy and society, coupled with the low technological content of protection and utilization, the red resources in Jinggangshan have begun to be damaged to varying degrees due to natural factors and human activities over the years. Many revolutionary red slogans have not been protected or protected. The backwardness is in danger of disappearing. Areas where red slogans are concentrated, such as Xingzhou, Maoping, and Ninggang in Jinggangshan, have a large number of slogans that have witnessed the struggl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D151/00C08F289/00C08F220/14C08F220/18C08F220/28C08F230/08C08F2/26C08F2/30
CPCC08F2/26C08F2/30C08F289/00C09D151/00C08F220/1804
Inventor 冯桂龙方小牛易绣光匡仁云何德勇
Owner JINGGANGSHAN UNIVERSITY