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Special joint pointing black paint for outer wall imitation brick process and preparation method of black paint

A technology for jointing black paint and imitation brick, applied in the field of paint, can solve the problems of lack of UV resistance and anti-aging function, poor adhesion of the coating film, easy to damage the coating, etc. , to ensure the effect of covering power

Inactive Publication Date: 2017-11-03
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although various types of imitation brick coatings have been developed rapidly, after visiting many imitation brick engineering projects, there are still many hidden dangers in construction. (1) The adhesion of the coating film is poor. Destroying the coating, causing peeling, and then reworking or drawing lines, which brings great trouble to the construction
(2) The pointing black paint used can only resist alkali or improve adhesion, and often does not have the functions of UV resistance and anti-aging, resulting in pulverization and water seepage of imitation brick joints after sunlight and long-term wind and rain Phenomenon

Method used

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  • Special joint pointing black paint for outer wall imitation brick process and preparation method of black paint
  • Special joint pointing black paint for outer wall imitation brick process and preparation method of black paint
  • Special joint pointing black paint for outer wall imitation brick process and preparation method of black paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A special pointing black paint for exterior wall imitation brick process of the present invention is composed of the following components by weight percentage:

[0030]

[0031] The acrylic emulsion is a styrene-acrylic emulsion using AvanseTM emulsion technology, and the minimum film-forming temperature is 29°C.

[0032] The silica sol is a dispersion of nano-colloidal silicon with a small amount of negative charge on the particle surface with a content of 30%, and the particle size of the nano-colloidal silicon dispersion is 14nm.

[0033] The film-forming aid is a 12-carbon compound with a boiling point of 255° C.; the titanium dioxide is a white pigment whose surface is treated with silicon-aluminum coating.

[0034] The kaolin is calcined kaolin with a particle size of 4000 mesh, the heavy calcium is heavy calcium carbonate with a particle size of 800 mesh; the carbon black paste is a water-based black color paste with a concentration of 35%.

[0035] The envir...

Embodiment 2

[0045] The difference between embodiment 2 and embodiment 1:

[0046] A special pointing black paint for exterior wall imitation brick process of the present invention is composed of the following components by weight percentage:

[0047]

[0048] The environmental protection co-solvent is ethylene glycol; the defoamer is mineral oil; and the water is ground water.

[0049] The preparation method of special pointing black paint for exterior wall imitation brick process of the present invention comprises the steps:

[0050] (1) First add accurately weighed water into a tank or a large tank, slowly add cellulose at a low speed of 500r / min, and then add environmental solvents, dispersants, wetting agents, and defoamers in sequence and preservatives, stir for 1.2 minutes after adding, increase the speed to 700r / min at medium speed;

[0051] (2) Add titanium dioxide, kaolin and heavy calcium in turn, increase the speed to 1200r / min, disperse at high speed for 30-40min, finenes...

Embodiment 3

[0054] The difference between embodiment 3 and embodiment 1 is:

[0055] A special pointing black paint for exterior wall imitation brick process of the present invention is composed of the following components by weight percentage:

[0056]

[0057] Described environmental protection co-solvent is the combination of two kinds in propylene glycol or ethylene glycol;

[0058] The preparation method of special pointing black paint for exterior wall imitation brick process of the present invention comprises the steps:

[0059] (1) First add accurately weighed water into a tank or a large tank, slowly add cellulose at a low speed of 600r / min, then add environmental solvents, dispersants, wetting agents, and defoamers in sequence and preservatives, stir for 2 minutes after adding, increase the speed to 800r / min at medium speed;

[0060] (2) Add titanium dioxide, kaolin and heavy calcium in sequence, increase the speed to 1000-1200r / min, disperse at high speed for 30 minutes, and...

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Abstract

The invention discloses special joint pointing black paint for an outer wall imitation brick process and a preparation method of the black paint. The special joint pointing black paint comprises, in weight percentage, 35-40% of acrylic emulsion, 2-3% of silica solution, 2-3% of titanium dioxide, 5-10% of kaolin, 5-10% of calcium carbonate, 0.8-1% of environment-friendly solvents, 0.2-3% of film coalescing aid, 0.1-0.2% of moistening agents, 0.5-0.8% of dispersing agents, 0.3-0.5% of cellulose, 0.1-0.3% of defoaming agents, 0.1-0.3% of preservative, 0.2-3% of thickening agents, 3-5% of carbon black color paste and 28-35% of water. The special joint pointing black paint is green and environmentally friendly, alkali resistance of the black paint is normal within 144h, ageing resistance of the black paint is normal within 600h, and the black paint has grade-1 adhesive force and is high in textured-paper-resistant efficiency.

Description

technical field [0001] The invention relates to the field of paints, in particular to a special pointing black paint for exterior wall imitation brick technology and a preparation method thereof. Background technique [0002] In recent years, the application of imitation brick coatings in the real estate market and engineering projects has been on the rise. In most provinces in China, the state has issued relevant policies to mandate external wall insulation systems, but because the external insulation base has a strong load-bearing Requirements, ceramic tiles or marble loads are relatively heavy, there is no way to meet the basic requirements of external insulation, especially high-rise buildings have the risk of falling off, so the rapid development of imitation brick coatings, including real stone paint imitation bricks, texture paint imitation bricks, colorful paint Imitation brick, elastic paint imitation brick and many other types. Although various types of imitation ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D125/14C09D5/08C09D7/12
CPCC09D125/14C08K2003/2241C08K2201/011C08L2201/08C08L2205/035C09D5/08C08L1/02C08L33/02C08L83/12C08K13/06C08K9/10C08K3/22C08K3/346C08K3/04C08K5/053
Inventor 刘洪亮徐小东薛小倩董立志
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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