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Self-stripping waterproof coating and preparation method thereof

A waterproof coating and coating technology, which is applied in the direction of building components, building insulation materials, etc., can solve the problems of shortening the service life of waterproof coatings, affecting the waterproofness of coatings, and water seepage, so as to reduce further erosion and improve strength. Effect

Inactive Publication Date: 2021-01-29
福州盛世凌云环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, after the current waterproof coating forms a coating on the base surface, as the use time goes by, cracks will inevitably appear, resulting in water seepage. Then such cracks or water seepage are not easy to be found, resulting in more and more serious water seepage, which in turn affects The overall water resistance of the coating will seriously shorten the service life of the waterproof coating

Method used

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  • Self-stripping waterproof coating and preparation method thereof
  • Self-stripping waterproof coating and preparation method thereof
  • Self-stripping waterproof coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] see figure 1 , a self-peeling waterproof coating, including a coating body and a plurality of self-peeling nets embedded in the coating body, the coating body includes the following raw materials in parts by weight: 20 parts of silicon acrylic emulsion, Portland cement 30 parts, 0.8 parts of ditetradecyl alcohol ester, 1 part of epoxy butyl oleate, 2 parts of cyclohexanol, 5 parts of talcum powder, 6 parts of fly ash, 0.5 parts of hydroxyethyl cellulose, 0.5 parts of dispersant 1 part, defoamer 1 part, filler 2 parts, film former 2 parts and deionized water 15 parts.

[0044] The dispersant is sodium metaphosphate dispersant, the filler is one or more of kaolin, lithopone or alumina, and the defoamer is at least one of silicone defoamer and polymer defoamer, The film former is 2,2,4-trimethyl-1,3-pentanediol monoisobutyrate.

[0045] see figure 2 , the self-peeling net includes a water-collecting base ball 1, a plurality of water-absorbing fiber rods 2 and a trigger...

Embodiment 2

[0058] see figure 1 , a self-peeling waterproof coating, including a coating body and a plurality of self-peeling nets embedded in the coating body, the coating body includes the following raw materials in parts by weight: 25 parts of silicon acrylic emulsion, Portland cement 40 parts, 1.5 parts of ditetradecyl alcohol ester, 1.5 parts of epoxy butyl oleate, 2.5 parts of cyclohexyl alcohol, 8 parts of talcum powder, 7 parts of fly ash, 1 part of hydroxyethyl cellulose, 1 part of dispersant , 2 parts of defoamer, 3 parts of filler, 3 parts of film former and 20 parts of deionized water.

[0059] A method for preparing a self-stripping waterproof coating, comprising the following steps:

[0060] S1. Mix the raw materials of the coating body to prepare the coating, and divide the coating into two equal parts for later use;

[0061] S2. Take one part and spray it on the surface of the substrate, heat it at 50°C for 4 minutes until micro-cured to form a base layer, according to 1...

Embodiment 3

[0065] see figure 1 , a self-peeling waterproof coating, including a coating body and a plurality of self-peeling nets embedded in the coating body, the coating body includes the following raw materials in parts by weight: 30 parts of silicon acrylic emulsion, Portland cement 50 parts, 2 parts of ditetradecyl alcohol ester, 2 parts of epoxy butyl oleate, 3 parts of cyclohexanol, 10 parts of talcum powder, 8 parts of fly ash, 1.5 parts of hydroxyethyl cellulose, 2 parts of dispersant , 3 parts of defoamer, 4 parts of filler, 4 parts of film former and 25 parts of deionized water.

[0066] A method for preparing a self-stripping waterproof coating, comprising the following steps:

[0067] S1. Mix the raw materials of the coating body to prepare the coating, and divide the coating into two equal parts for later use;

[0068] S2. Take one part and spray it on the surface of the substrate, heat at 60°C for 5 minutes until micro-cured to form a base layer, according to 1 piece / 10c...

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Abstract

The invention discloses a self-stripping waterproof coating and a preparation method thereof, and belongs to the technical field of waterproofness, a self-stripping net can be pre-buried in the coating in advance, the strength, especially the crack resistance, of the coating can be improved in an assisted mode, meanwhile, a tight water seepage sensing net can be formed, and once a water seepage phenomenon occurs on the surface of the coating, the water absorption fiber rods on the self-stripping net can rapidly absorb water, convey the water into the water collection base balls and then indirectly convey the water to the hydrolysis balls in the trigger pipes, impact is formed on a water seepage area on the surface of the coating from the edge of the self-stripping net by means of the characteristic that the hydrolysis balls react with water to release a large amount of gas, and then self-stripping of the water seepage area is achieved. Meanwhile, when the gas is released to the outside, the permeation water can flow back and does not easily continue to permeate, so that an excision operation similar to a lesion part is realized, further erosion of the permeation water to the coating is reduced, and technicians can be prompted to repair the coating in time.

Description

technical field [0001] The invention relates to the technical field of waterproofing, in particular to a self-peeling waterproof coating and a preparation method thereof. Background technique [0002] The waterproof paint is painted on the surface of the building, and a thin film is formed after the chemical reaction between the components, which isolates the surface of the building from water, thus playing the role of waterproof and sealing. The waterproof film formed after the waterproof coating is cured should have certain extensibility, elastic-plasticity, crack resistance, impermeability and weather resistance, and can play the role of waterproof, anti-seepage and protection. [0003] There are two types of waterproof materials on the market: one is polyurethane waterproof coatings. Such materials are generally made of polyurethane and coal tar as raw materials. The tar gas it volatilizes is highly toxic and not easy to remove, so it was banned in China in 2000. The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04E04B1/66
CPCC04B28/04C04B2111/00508E04B1/66C04B24/42C04B24/045C04B24/02C04B14/042C04B18/08C04B24/383C04B22/16C04B24/023C04B22/002C04B2103/50C04B14/106C04B14/303C04B14/368C04B14/36
Inventor 梅丹丹
Owner 福州盛世凌云环保科技有限公司
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