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A nano-modified highly stain-resistant elastic coating and its preparation method

An elastic coating and nano-modification technology, applied in the direction of coating, fibrous filler, dyed organosilicon compound treatment, etc., can solve the problems of elasticity and stain resistance, water resistance and adhesion, practicality, etc. Achieve the effect of improving appearance and fullness, increasing elongation and tensile strength, and improving anti-fouling

Inactive Publication Date: 2011-12-21
CHINA MCC17 GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the research on elastic coatings has been studied from one or several aspects of elasticity, stain resistance, water resistance, adhesion, and practicability of elastic coatings, but none of them have achieved elasticity, stain resistance, and water resistance. And the balance between adhesion and practicality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] The mass percentage composition of the nano-modified anti-fouling and high-elastic coating is determined as follows:

[0048] Silicone acrylic emulsion 40%

[0049] Pure acrylic emulsion 7%

[0050] Waterborne Nano Silica Sol 2%

[0051] Ultrafine Aluminum Silicate 15%

[0052] Modified Nano Calcium Silicate 6%

[0053] Rutile Titanium Dioxide 15%

[0054] AMP-95 0.30%

[0055] Coalescent agent 0.50%

[0056] STXP-4 0.35%

[0057] 5040 0.20%

[0058] PE100 0.10%

[0059] Ethylene glycol 0.50%

[0060] Polyurethane 0.30%

[0061] STFM-1 0.1%

[0062] STZC-96 0.15%

[0063] water balance

[0064] The preparation process of the present embodiment is as follows:

[0065] (1) Preparation of modified nano-calcium carbonate

[0066] Dissolve a certain mass of nano-calcium carbonate in a mixed solution of ethanol-water (the volume ratio of ethanol and deionized water is 1:1), sonicate for 30 minutes, and then put the ethanol-water solution of nano-calcium carbona...

Embodiment 2

[0071] The mass percentage composition of the nano-modified anti-fouling and high-elastic coating is determined as follows:

[0072] Styrene acrylic emulsion 39%

[0073] Pure acrylic emulsion 10%

[0074] Waterborne Nano Silica Sol 4%

[0075] Ultrafine Aluminum Silicate 20%

[0076] Modified Nano Calcium Silicate 5%

[0077] Rutile Titanium Dioxide 12%

[0078] AMP-95 0.35%

[0079] Coalescent agent 0.60%

[0080] STXP-4 0.40%

[0081] 5040 0.25%

[0082] PE100 0.15%

[0083] Ethylene glycol 0.55%

[0084] Polyurethane 0.30%

[0085] STFM-1 0.06%

[0086] Huake-981 0.06%

[0087] STZC-96 0.08%

[0088] STZC-95 0.08%

[0089] water balance

[0090] The preparation process of the present embodiment is as follows:

[0091] (1) Preparation of modified nano-calcium carbonate

[0092] Dissolve a certain mass of nano-calcium carbonate in a mixed solution of ethanol-water (the volume ratio of ethanol and deionized water is 1:1), sonicate for 40 minutes, and then put...

Embodiment 3

[0097] The mass percentage composition of the nano-modified anti-fouling and high-elastic coating is as follows:

[0098] Silicone acrylic emulsion 32%

[0099] Styrene acrylic emulsion 10%

[0100] Waterborne Nano Silica Sol 5%

[0101] Ultrafine Aluminum Silicate 18%

[0102] Modified Nano Calcium Silicate 7%

[0103] Rutile Titanium Dioxide 10%

[0104] AMP-95 0.35%

[0105] Coalescent agent 0.65%

[0106] STXP-4 0.35%

[0107] 5040 0.30%

[0108] PE100 0.10%

[0109]Ethylene glycol 0.65%

[0110] Polyurethane 0.35%

[0111] STFM-1 0.10%

[0112] STZC-96 0.20%

[0113] water balance

[0114] The preparation process of the present embodiment is as follows:

[0115] (1) Preparation of modified nano-calcium carbonate

[0116] Dissolve a certain mass of nano-calcium carbonate in a mixed solution of ethanol-water (the volume ratio of ethanol and deionized water is 1:1), ultrasonicate for 35 minutes, and then put the ethanol-water solution of nano-calcium carbonate...

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PUM

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Abstract

The invention provides a nano-modified highly stain-resistant elastic paint and a preparation method thereof, belonging to the technical field of building paint preparation. The composition and mass percent of the elastic coating provided by the present invention are: emulsion 40-50; water-based nano-colloidal silicon; 2-5; ultrafine aluminum carbonate; 15-25; modified nano-calcium carbonate 5-10; rutile titanium White powder; 8~15; pH regulator; 0.30~35; film-forming aid 0.50~0.65; elastic defoamer; 0.35~0.40; wetting agent 0.20~0.30; ; Leveling agent; 0.30~0.45; Bactericidal preservative; 0.10~0.15; Thickener; 0.10~0.20; Water; Balance. The nano-modified highly stain-resistant elastic paint provided by the present invention well achieves a balance among elasticity, stain resistance, water resistance, adhesion and practicability.

Description

technical field [0001] The invention belongs to the technical field of building paint preparation, in particular to a nano-modified high stain-resistant elastic paint and a preparation method thereof. Background technique [0002] The exterior walls of buildings are mostly plastered with concrete, prefabricated cement boards and cement mortar. Due to the inherent characteristics of these materials, when affected by external natural factors such as temperature changes, dry-wet alternation, freeze-thaw cycles, etc. Cracks seriously affect the overall beauty of the building, and at the same time cause the intrusion of rainwater and carbon dioxide, causing corrosion of steel bars and accelerating the carbonization of the wall. In recent years, cracks in building finishes have become one of the common problems affecting the quality of construction projects. The elastic coating has the elastic function of covering the wall of the building to produce fine cracks, so it has become ...

Claims

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Application Information

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IPC IPC(8): C09D133/04C09D125/14C09D131/04C09D7/12C09C1/02C09C3/12
Inventor 尹万云张千峰陈兴顺陈均金仁才
Owner CHINA MCC17 GRP
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