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Coating for building external wall

A technology for building exterior walls and coatings, applied in conductive coatings, anti-fouling/underwater coatings, coatings, etc., can solve the problems of ineffective self-cleaning, loss, loss, etc., to improve adhesion and bond The effect of high conductivity and high conductivity

Inactive Publication Date: 2017-05-24
ANHUI CHAOYANG DECORATION ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The addition of small molecules with low surface energy to the modified silicone resin improves the stain resistance of silicone coatings, but the stain resistance of this coating deteriorates rapidly due to the loss of small molecules with low surface energy over time. Reduced, or even lost, still can not achieve effective self-cleaning

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Embodiment 1: a kind of coating for building exterior wall, comprises according to the raw material of weight percentage:

[0043] Fluorocarbon emulsion 18%,

[0044] Silicone modified acrylic emulsion 8%,

[0045] Organic fluorine modified acrylic emulsion 8%,

[0046] Porous powder quartz 8%,

[0047] Anatase Nano TiO 2 30%,

[0048] Nano Zinc Oxide 7%,

[0049] Compatibilizer 2%,

[0050] Defoamer 2%,

[0051] Dispersant 3%,

[0052] Hydroxyethylcellulose 4%,

[0053] Thickener 2%,

[0054] PH regulator 1%,

[0055] Antifreeze 1%,

[0056] Water 6%.

[0057] Further, the compatibilizer is perfluorosiloxane resin.

[0058] Further, the thickener polyvinyl alcohol.

[0059] Further, the dispersant is polyvinylpyrrolidone.

[0060] Further, the defoamer is CF-246 defoamer.

[0061] Further, the antifreezing agent is propylene glycol.

[0062] Further, the fluorocarbon emulsion contains 5% pure acrylic acid emulsion.

[0063] Disperse the defoamer, disp...

Embodiment 2

[0064] Embodiment 2: a kind of coating for building exterior wall, comprises according to the raw material of weight percentage:

[0065] Fluorocarbon emulsion 15%,

[0066] Silicone modified acrylic emulsion 7%,

[0067] Organic fluorine modified acrylic emulsion 8%,

[0068] Porous powder quartz 10%,

[0069] Anatase Nano TiO 2 35%,

[0070] Nano Zinc Oxide 8%,

[0071] Compatibilizer 1%,

[0072]1% defoamer,

[0073] Dispersant 2%,

[0074] Hydroxyethylcellulose 5%,

[0075] Thickener 1%,

[0076] PH regulator 1%,

[0077] Antifreeze 1%,

[0078] Water 5%.

[0079] Further, the compatibilizer is perfluorosiloxane resin.

[0080] Further, the thickener polyvinyl alcohol.

[0081] Further, the dispersant is polyvinylpyrrolidone.

[0082] Further, the defoamer is CF-246 defoamer.

[0083] Further, the antifreezing agent is propylene glycol.

[0084] Further, the fluorocarbon emulsion contains 5% pure acrylic acid emulsion.

[0085] The paint obtained accordin...

Embodiment 3

[0086] Embodiment 3: a kind of coating for building exterior wall, comprises according to the raw material of weight percent:

[0087] Fluorocarbon emulsion 16%,

[0088] Silicone modified acrylic emulsion 8%,

[0089] Organic fluorine modified acrylic emulsion 7%,

[0090] Porous powder quartz 10%,

[0091] Anatase Nano TiO 2 35%,

[0092] Nano Zinc Oxide 8%,

[0093] Compatibilizer 1%,

[0094] 1% defoamer,

[0095] Dispersant 2%,

[0096] Hydroxyethylcellulose 5%,

[0097] Thickener 1%,

[0098] PH regulator 1%,

[0099] Antifreeze 1%,

[0100] Water 4%.

[0101] Further, the compatibilizer is perfluorosiloxane resin.

[0102] Further, the thickener polyvinyl alcohol.

[0103] Further, the dispersant is polyvinylpyrrolidone.

[0104] Further, the defoamer is CF-246 defoamer.

[0105] Further, the antifreezing agent is propylene glycol.

[0106] Further, the fluorocarbon emulsion contains 5% pure acrylic acid emulsion.

[0107] The paint obtained according ...

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PUM

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Abstract

The invention relates to a coating for a building external wall. The coating is prepared from the following raw materials in percentage by weight: 15 to 20 percent of fluorocarbon emulsion, 6 to 10 percent of organic silicon modified crylic acid emulsion, 6 to 10 percent of organic fluorine modified crylic acid emulsion, 6 to 12 percent of cellular quartz powder, 25 to 36 percent of anatase nano TiO2, 5 to 10 percent of nano zinc oxide. 1 to 3 percent of a compatilizer, 1 to 3 percent of a defoaming agent, 1 to 4 percent of a dispersing agent, 2 to 6 percent of hydroxyethyl cellulose, 1 to 3 percent of a thickener, 1 to 3 percent of a PH regulator, 1 to 2 percent of an antifreezing agent and 3 to 9 percent of water. The coating is plump and fine in paint film, has a bright color, is high in leveling property, high in adhesive force, nontoxic, long-acting, antibacterial, environmentally friendly, and high in weather resistance, stain resistance and chemical stability, and can achieve long-term effective cleaning.

Description

technical field [0001] The invention relates to the field of building decoration, in particular to a coating for building exterior walls. Background technique [0002] Existing coatings for exterior walls of buildings are mainly fluorocarbon coatings. Fluorocarbon coatings refer to coatings with fluororesin as the main film-forming substance, also known as fluorocarbon coatings, fluorocarbon coatings, and fluororesin coatings. Among all kinds of coatings, fluororesin coatings have particularly superior properties due to the high electronegativity of the introduced fluorine element and the strong bond energy of carbon and fluorine: weather resistance, heat resistance, low temperature resistance, chemical resistance, And has a unique non-stick and low friction. As a multi-functional coating with super weather resistance, fluorocarbon coatings fully meet the customer's requirements in terms of gloss retention, fading resistance, and corrosion resistance. It can reach a very h...

Claims

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Application Information

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IPC IPC(8): C09D127/12C09D133/00C09D101/28C09D5/14C09D5/16C09D5/24C09D7/12
CPCC09D127/12C08K2201/011C08L2201/08C08L2205/025C08L2205/035C09D5/14C09D5/1618C09D5/1687C09D5/24C08L33/00C08L1/284C08K13/04C08K7/26C08K2003/2296
Inventor 张璇
Owner ANHUI CHAOYANG DECORATION ENG
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