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Outer wall real stone paint and preparation method thereof

A real stone paint, exterior wall technology, applied in the direction of coating, can solve the problems of poor weather resistance, water absorption and discoloration, high resilience, and achieve the effects of good decorative effect, good weather resistance and low cost.

Inactive Publication Date: 2018-02-27
成都博美实润科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Real stone lacquer coatings in the prior art have high resilience, water absorption and discoloration, and poor weather resistance

Method used

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  • Outer wall real stone paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The present invention is realized through the following technical scheme, a real stone paint for exterior walls, comprising the following components by weight: 100-200 parts of colored sand, 25-50 parts of silicon-acrylic emulsion, 4-20 parts of film-forming aids, dispersing 0.2-1.5 parts of agent, 0.5-2 parts of thickener, 1-2 parts of defoamer and 0.1-0.5 parts of water repellent.

[0028] It should be noted that, through the above improvements, the silicon-acrylic emulsion uses TD-661 as the base material for the best bond strength.

[0029] Silicone-acrylic emulsion is an emulsion that is polymerized by adding unsaturated bond-containing organosilicon monomers and acrylic monomers with suitable additives through a core-shell coating polymerization process. It combines the high temperature resistance, weather resistance, chemical resistance, hydrophobicity, low surface energy and non-pollution of silicone with the high color retention, flexibility and adhesion of acr...

Embodiment 2

[0032] This example is further optimized on the basis of the above example, including the following components by weight: 150 parts of colored sand, 25 parts of silicon acrylic emulsion, 5 parts of film-forming aid, 1 part of dispersant, 0.5 parts of thickener 1 part, 1 part of defoamer and 0.2 part of water repellent.

[0033] Other parts of this embodiment are the same as those of the foregoing embodiments, so details are not repeated here.

Embodiment 3

[0035] This embodiment is further optimized on the basis of the above embodiments. A real stone paint for exterior walls includes the following components by weight: 100-200 parts of colored sand, 25-50 parts of silicon-acrylic emulsion, and 4 parts of film-forming aids. -20 parts, 0.2-1.5 parts of dispersant, 0.5-2 parts of thickener, 1-2 parts of defoamer and 0.1-0.5 parts of water repellent.

[0036] Through the test, it is found that the particle size of the colored sand has a great influence on the appearance and cost of the real stone paint coating. If the particles are rough, they will easily precipitate, and the covering power of the coating will decrease. The appearance of the coating will be rough and easily polluted by the sand layer. Too fine coating texture is poor, not plump, the demand for colored sand particles is large, and the cost is high;

[0037] When using colored sand grading 20-40 mesh to account for 10%, 40-80 mesh to account for 35%, and 80-120 mesh t...

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Abstract

The invention discloses outer wall real stone paint and a preparation method thereof. The preparation method comprises the following steps: adding butyl cellosolve, xylene and a silicone acrylic emulsion into water, stirring at a stirring rotation speed of 300-350 r / min, stirring for 10 minutes, heating to 35-40 DEG C, and continuously stirring for 10 minutes; sequentially adding the silicone acrylic emulsion and an alkali liquid, heating to 45-50 DEG C while stirring, and further stirring for 10 minutes at a stirring rotation speed of 350-400 r / min, sequentially adding a thickening agent, filming aids, a dispersing agent, a defoaming agent and a water repellent, and continuously stirring; and adding color sand, and stirring for 20-30 minutes, wherein the stirring temperature is controlledto 40-50 DEG C, and the stirring rotation speed is 450-500 r / min. The outer wall real stone paint is high in drying cracking resistance, water resistance, alkali resistance and impact resistance, andspecification requirements can be met; the stain resistance of the outer wall real stone paint is greatly improved, and high weather resistance is maintained; and the outer wall real stone paint is low in cost, simple and convenient to construct and good in decoration effect.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a genuine stone paint for exterior walls and a preparation method thereof. Background technique [0002] Coating has become an important part of architectural decoration. At present, exterior wall decoration materials include decorative stone, glass curtain wall, exterior wall facing brick, etc., but these all have their own problems. Decorative stone is easy to be impacted by the outside to form bright lines. Easy to break, poor fire resistance, difficult construction, high cost, although the glass curtain wall has a good decorative effect, but in the environment with good lighting conditions, the strong optical fiber reflected by the glass is reflected on the surroundings, which not only causes safety hazards, but also affects people's normal life. The influence of life, the exterior wall facing brick has the characteristics of high strength, high hardness, high stability, no ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D7/65C09D133/04
CPCC09D1/00C09D143/04
Inventor 邱鸿浩
Owner 成都博美实润科技有限公司