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A preparing method of golden heat-insulating coating

A thermal insulation coating, golden technology, applied in anti-corrosion coatings, coatings and other directions, can solve problems such as poor dispersion stability, and achieve the effects of strong water resistance and corrosion resistance, low cost and simple method

Inactive Publication Date: 2016-03-16
CHONGQING SANLINGSAN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in practical applications, the problem of poor dispersion stability in water-based coatings has attracted widespread attention from scholars.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0024] A method for preparing a golden heat insulating coating, comprising the steps of:

[0025] Take the suspension made of hollow glass microspheres and distilled water, and add the sodium dodecylbenzenesulfonate solution while stirring with a homogeneous disperser in a constant temperature water bath, keep the water temperature constant, and slowly add TiCl dropwise;

[0026] Solution 150mL, use NaOH solution to maintain the pH of the system all the time, and coat the surface of hollow glass microspheres with a layer of hydrated titanium dioxide film;

[0027] Take an appropriate amount of water, stir and add ethylene glycol and paint additives in sequence;

[0028] After the fineness meets the requirements, add defoamer, film-forming aid, silicon acrylic emulsion and double-coated hollow glass beads, stir at low speed, and then add thickener to the standing paint to adjust viscosity and pH , that is, the product is obtained.

Embodiment 1

[0030] Take 5g of hollow glass microspheres and distilled water to make a 10% suspension, stir in a constant temperature water bath with a homogeneous disperser and add 5mL1% sodium dodecylbenzenesulfonate solution, and keep the water temperature fixed at 55°C , slowly drop 100g / LTiCl; solution 150mL, use 10% NaOH solution to always maintain the pH of the system at 3.0, the coating process takes 5h, at this time the surface of the hollow glass microspheres is coated with a layer of hydrated titanium dioxide film; take an appropriate amount of water , use a mixer to control the stirring speed of 300r / rain and stir for 15min, then add ethylene glycol and coating additives in turn; adjust the speed to 3500r / min and add powder (titanium dioxide, talcum powder, heavy calcium, medium chrome yellow), high-speed dispersion More than 20 minutes; after the fineness meets the requirements, add defoamer, film-forming aids, silicon acrylic emulsion and double-coated hollow glass beads at 30...

Embodiment 2

[0032] Get 6g of hollow glass microspheres and distilled water to make 10% suspension, in the constant temperature water bath box, add 5.5mL1% sodium dodecylbenzenesulfonate solution while stirring with a homogeneous disperser, keep the water temperature fixed at 60 ℃, slowly drop 120g / LTiCl; solution 180mL, use 12% NaOH solution to maintain the pH of the system at 3.2, the coating process takes 6h, at this time the surface of the hollow glass microspheres is coated with a layer of hydrated titanium dioxide film; take an appropriate amount Water, use a mixer to control the stirring speed of 350r / rain and stir for 20min, then add ethylene glycol and coating additives in turn; adjust the speed to 4000r / min and add powder (titanium dioxide, talcum powder, heavy calcium, medium chrome yellow), high speed Disperse for more than 20 minutes; after the fineness meets the requirements, add defoamer, film-forming aids, silicon acrylic emulsion and double-coated hollow glass microspheres ...

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PUM

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Abstract

The invention relates to a preparing method of golden heat-insulating coating. The method includes a step of weighing a suspension prepared from hollow glass microbeads and distilled water, adding a sodium dodecylbenzenesulfonate solution under stirring in a constant-temperature water bath by a homogenizing disperser, maintaining the water temperature and slowing adding dropwise TiCl; a step of maintaining the pH of 150 mL of the solution by using a NaOH solution so as to allow the hollow glass microbeads to be covered with a layer of titanium dioxide film; a step of weighing a proper amount of water and adding ethylene glycol and coating additives in order under stirring; and a step of adding a defoamer and a film coalescing aid after fineness meets requirements, adding silicone acrylic emulsion and the double-covered hollow glass microbeads, stirring at a low speed, adding a thickener into the coating which is allowed to stand to regulate viscosity, and adjusting pH to obtain a product. The method is simple and low in cost. The golden heat-insulating coating prepared by the method is high in heat reflectivity, high in waterproofness and high in corrosion resistance.

Description

technical field [0001] The invention relates to a method for preparing a metallic paint, in particular to a method for preparing a golden heat-insulating paint. Background technique [0002] With the improvement of people's living standards, the use of power facilities, especially refrigeration facilities such as air conditioners and refrigerators, is becoming more and more common. Passive refrigeration comes from work, and the resulting energy consumption is also huge, especially [0003] It is building energy consumption. my country's building energy consumption accounts for about 30% to 40% of the total energy consumption. Building energy conservation has gradually been put on the agenda. The energy-saving means of buildings is mainly to maintain the structure from the outside. When materials with good heat insulation effect are used as the exterior surface of the building, it can greatly reduce the energy exchange inside and outside the building, thereby playing the role...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D7/12C09D5/08
Inventor 不公告发明人
Owner CHONGQING SANLINGSAN TECH CO LTD
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