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Water-based anti-carbonization coating and preparation method thereof

A water-based, coating technology, applied in the direction of coating, can solve the problems of low carbonization resistance of concrete, reduced service life, poor building durability, etc., and achieve excellent weather resistance, protection of substrates, and dense paint film.

Inactive Publication Date: 2020-06-05
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The low carbonation resistance of concrete will lead to poor durability of the building and reduce the service life

Method used

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  • Water-based anti-carbonization coating and preparation method thereof
  • Water-based anti-carbonization coating and preparation method thereof
  • Water-based anti-carbonization coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Water-based anti-carbonization coating described in the present embodiment, by mass percentage, is made up of following components:

[0030]

[0031] The preparation method of water-based anti-carbonization coating described in the present embodiment may further comprise the steps:

[0032] According to the amount of the above formula, first add accurately weighed water into the tank or large tank, slowly add the dispersant, wetting agent, and defoamer in sequence at a low speed of 400r / min, and stir for 1 min after the addition is completed to increase the Speed ​​up to 700r / min at a medium speed, add pigments and fillers in turn, increase the speed to 1000r / min, disperse at high speed for 30 minutes, fineness ≤ 55um, add fluorocarbon emulsion, antifreeze, and film-forming aids at a low speed of 400r / min , Add film-forming aid slowly to prevent demulsification, pH adjuster, carbonization inhibitor, ultraviolet absorber, bactericide, anti-fungal agent, add thickener ...

Embodiment 2

[0034] Water-based anti-carbonization coating described in the present embodiment, by mass percentage, is made up of following components:

[0035]

[0036] The preparation method of water-based anti-carbonization coating described in the present embodiment may further comprise the steps:

[0037] According to the above formula, first add accurately weighed water into the tank or large tank, slowly add dispersant, wetting agent, and defoamer in sequence at a low speed of 500r / min, and stir for 2 minutes after adding to improve the Speed ​​up to 800r / min at a medium speed, add pigments and fillers in turn, increase the speed to 1100r / min, disperse at high speed for 30 minutes, fineness ≤ 55um, add fluorocarbon emulsion, antifreeze, and film-forming aids at a low speed of 600r / min , Add film-forming aid slowly to prevent demulsification, pH adjuster, carbonization inhibitor, ultraviolet absorber, bactericide, anti-fungal agent, add thickener after stirring for 3 minutes, and ...

Embodiment 3

[0039] Water-based anti-carbonization coating described in the present embodiment, by mass percentage, is made up of following components:

[0040]

[0041]

[0042] The preparation method of water-based anti-carbonization coating described in the present embodiment may further comprise the steps:

[0043] According to the amount of the above formula, first add accurately weighed water into the tank or large tank, slowly add dispersant, wetting agent, and defoamer in sequence at a low speed of 600r / min, and stir for 2 minutes after adding to improve the Speed ​​up to 900r / min at medium speed, add pigments and fillers in turn, increase speed to 1200r / min, disperse at high speed for 30 minutes, fineness ≤ 55um, add fluorocarbon emulsion, antifreeze, film-forming aid at low speed of 600r / min , Add film-forming aid slowly to prevent demulsification, pH adjuster, carbonization inhibitor, ultraviolet absorber, bactericide, anti-fungal agent, add thickener after stirring for 3 ...

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Abstract

The invention provides a water-based anti-carbonization coating and a preparation method thereof. Mass percent, the water-based anti-carbonization coating comprises the following components: 30 to 40%of fluorocarbon emulsion, 10 to 15% of a carbonization inhibitor; 0.3 to 0.5% of a film forming auxiliary agent; 0.3 to 0.5% of an ultraviolet light absorber, 0.5 to 1% of an anti-freezing agent, 0.5to 0.8% of a dispersing agent, 0.1 to 0.2% of a wetting agent, 0.3 to 0.5% of a defoaming agent, 0.2 to 0.3% of a pH regulator, 0.2 to 0.6% of a preservative, 20 to 25% of pigment and filler, 0.2 to0.5% of a thickening agent and 20 to 30% of water. And the coating has excellent weather resistance, corrosion resistance, low temperature resistance, ultraviolet resistance and the like.

Description

technical field [0001] The invention belongs to the field of coatings, and in particular relates to a water-based anti-carbonization coating and a preparation method thereof. Background technique [0002] Concrete structure is one of the most widely used structures. In my country, 70% of house construction and 50% of bridge structures use concrete structure. With the increase of the service time of these engineering structures, more and more attention has been paid to the durability damage of concrete materials and structures. Many engineering structures often cause functional degradation or even structural damage due to durability, which brings unnecessary costs to the society. loss. [0003] Concrete carbonation is one of the important durability indicators of concrete. Calcium hydroxide will be generated after the cement of the mixed concrete is hydrated. Most of the calcium hydroxide exists in the concrete in a crystalline state and becomes a reserve for the interstiti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/12C09D7/62C09D7/61C09D7/48
CPCC09D127/12C09D7/62C09D7/61C09D7/48C08K2201/011C08K2003/2213C08K2003/2296C08K2003/2241C08K2003/265C08K9/04C08K7/26C08K3/22C08K3/34C08K3/26C08K3/346
Inventor 薛小倩王洁刘洪亮胡中源董立志
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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