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Concrete transparent protecting paint

A technology for transparent protection and concrete, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems of peeling, alkali return, yellowing of wall color, etc., and achieve the effects of large contact angle, excellent weather resistance, and excellent hydrophobicity

Inactive Publication Date: 2007-12-12
深圳市明远氟建筑装饰工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the existing concrete coating system is painted, as time goes by, the color of the wall begins to turn yellow, black and alkali, so that the concrete is neutralized, and some water seeps out from the concrete pores. Gradually peel off, so that the coating system cannot protect the concrete, affecting the performance and life of the concrete

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] A kind of concrete transparent protective finish paint, it is composed of: SE-350 fluorocarbon emulsion 73%, water 16%, dispersant 0.3% (the SN-5040 that adopts Japanese Nopco company to produce here is polycarboxylate sodium salt) , industrial propylene glycol 2.5%, preservative 0.15% (here adopts the high-efficiency tank preservative LXE produced by Rohm and Haas Company of the United States), fumed silica 2% (adopts A-200 produced by Germany Degussa Company here), Alcohol ester twelve film-forming aids 3.5%, hydrophobic agent 2% (the BS1306 produced by the German Wacker Chemical Company is used here, which is a mixture of silicone resin and polysiloxane), thickener 0.35% (the Japanese Knopp The SN-612 produced by Branch Company is a polyurethane-type associative thickener), and 0.2% of a pH regulator (the AMP-95 produced by U.S. Dow Company is used here, which is an organic amine). According to the GB / T9755-2001 standard of "Synthetic Resin Emulsion Exterior Wall Coa...

Embodiment 2

[0023] A transparent protective topcoat for concrete, which consists of: SE-350 fluorocarbon emulsion 65%, water 20%, SN-5040 dispersant 0.3%, industrial propylene glycol 4%, LXE preservative 0.2%, A-200 gas phase dioxide Silicon 3%, alcohol ester twelve film-forming aid 4%, BS1306 hydrophobic agent 3%, SN-612 thickener 0.3%, and AMP-95 PH value regulator 0.2%. According to the GB / T9755-2001 standard of "Synthetic Resin Emulsion Exterior Wall Coatings", its performance is tested, and the test results are shown in Table 2.

[0024] Table 2

[0025] Test items

Embodiment 3

[0027] A transparent protective topcoat for concrete, which consists of: SE-350 fluorocarbon emulsion 75%, water 18%, SN-5040 dispersant 0.1%, industrial propylene glycol 3.5%, LXE preservative 0.15%, A-200 gas phase dioxide 2.5% silicon, 3.5% alcohol ester twelve film-forming aids, 2% BS1306 hydrophobic agent, 0.35% SN-612 thickener, and 0.2% AMP-95 pH regulator. According to the GB / T9755-2001 standard of "Synthetic Resin Emulsion Exterior Wall Coatings", its performance was tested, and the test results are shown in Table 3.

[0028] table 3

[0029] Test items

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Abstract

The invention belongs to surface treatment technique, and discloses a concrete transparent protective top-coat. The comprised components and weight proportion are as follows: fluorocarbon emulsion 65- 75%, water 15- 20%, dispersing agent 0.1- 0.3%, anti- freezing agent 2- 5%, preservative agent 0.1- 0.2%, gas silicon oxide 2- 3%, filming adjuvant 3- 5%, hydrophobing agent 2- 5%, thickening agent 0.2- 0.5%, and pH conditioning agent 0.1- 0.3%. The concrete transparent protective top- coat is characterized by good properties of water- proof, alkali resistance, ultra-violet rseistance, weathering quality, cold resistance and heat resistance, and the indexes of them are all enough for requirement by <>, large contact area with water, and excellent hydrophobicity.

Description

technical field [0001] The invention relates to a coating composition for concrete, in particular to a transparent protective topcoat for concrete. Background technique [0002] Concrete transparent coating system is a form of architectural expression, first started in Japan, this form of architectural expression can completely and effectively retain the natural color and texture of the concrete building itself, the appearance is simple, it is a return to nature and return to nature Performance. After the existing concrete coating system is painted, as time goes by, the color of the wall begins to turn yellow, black and alkali, so that the concrete is neutralized, and some water seeps out from the concrete pores. Gradually peel off, so that the coating system cannot protect the concrete, affecting the performance and life of the concrete. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D127/16C09D5/08
Inventor 丁华明
Owner 深圳市明远氟建筑装饰工程有限公司
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