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Heat-reflection thermal insulation anti-corrosion coating and preparation method thereof

An anti-corrosion coating and heat reflection technology, applied in anti-corrosion coatings, reflective/signal coatings, coatings, etc., can solve the problems of insufficient adhesion of the base surface, low solar heat reflectivity, high thermal conductivity, etc., to improve adhesion , Strong ability to absorb ultraviolet rays, good thermal stability

Inactive Publication Date: 2016-05-25
SHENGYA TECH DALIAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although my country has published many patents in the field of solar heat-reflecting and heat-insulating coatings, the products in this field more or less have the following problems: relatively low solar heat reflectivity, insuffici

Method used

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  • Heat-reflection thermal insulation anti-corrosion coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0035] Example 1

[0036] The synthesis process of nano zinc oxide powder is as follows:

[0037] Weigh a certain amount of Na 2 CO 3 Dissolve in deionized water to make 1mol / L Na 2 CO 3 Solution. Add a 2% mole fraction of surfactant sodium dodecylbenzene sulfonate solution and place it on a magnetic stirrer to stir. After the solution is evenly mixed, the Na 2 CO 3 The solution was added dropwise to the 1mol / L Zn(NO 3 ) 2 In the solution, continue to stir and mature for 15 minutes after the dropping, and the basic zinc carbonate obtained by the reaction is the precursor of nano zinc oxide. Then the nano-zinc oxide precursor is washed, first with deionized water, and then with acetone. Then suction filter. Then put it in an oven to dry at 110 degrees Celsius. The fully dried precursor is firstly ground in a mortar, and then calcined in a muffle furnace at a temperature of 400 degrees Celsius for 2 hours, and finally the product is ground to obtain nano zinc oxide powder.

[0038...

Example Embodiment

[0039] Example 2

[0040] The synthesis process of nano zinc silicate hollow spheres is as follows:

[0041] Add 1ml of 0.2mol / L zinc nitrate solution and 1ml of 0.2mol / L sodium silicate solution to the mixed solution of 30ml ethanol and 3ml polyethylene glycol successively, then add 0.1ml4mol / L NaOH solution and magnetically stir for 15min, then transfer to 40ml hydrothermal kettle, react for 12h under hydrothermal conditions at 190°C. After the reaction is completed, the hydrothermal kettle is naturally cooled, the precipitate is collected by centrifugation, and washed with distilled water and ethanol respectively to remove possible impurity ions, and then the sample is vacuum dried in a vacuum oven at 60 degrees Celsius for 4 hours.

[0042] The obtained sample structure is a hollow structure, the outer diameter of the hollow sphere is between 50-200 nm, and the wall thickness is 20 nm.

Example Embodiment

[0043] Example 3

[0044] The components of the heat-reflective insulation and anti-corrosion coating are as follows:

[0045] The raw material components of a heat-reflective heat-insulating anti-corrosion coating are as follows: acrylic emulsion 30, hollow ceramic beads 10, titanium dioxide 6, talc 4, precipitated barium sulfate 2, nano zinc oxide 3, nano silicon Zinc acid 3, silane coupling agent KH-550: 6, dispersant BYK-111: 1.8, waterproofing agent sodium methyl silicate 4, PH value regulator AMP-95: 0.5, water-based paint defoamer JY-821: 2. Alkali-soluble thickener ASE-60: 0.2, advection agent w491: 0.3, film forming aid TEXANOL1321: 2, deionized water 25.

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Abstract

The invention relates to a heat-reflection thermal insulation anti-corrosion coating and a preparation method thereof. The heat-reflection thermal insulation anti-corrosion coating comprises the following raw materials: a film forming material, a heat-reflection material, an anti-corrosion material, a heat-reflection pigment, filler and auxiliaries, wherein the heat-reflection material comprises metal nano powder; and the anti-corrosion material comprises waterborne nano inorganic zinc silicate. The heat-reflection thermal insulation anti-corrosion coating and the preparation method thereof have the beneficial effects that two functions (heat reflection and corrosion resistance) are realized at the same time through one kind of paint, and the weakening of the coating effect caused by superposed coating smearing is avoided. By adopting the nano material, the surface area of the coating is greatly increased, and the heat reflection effect of the coating is enhanced.

Description

technical field [0001] The invention relates to a heat-reflecting heat-insulating anti-corrosion coating and a preparation method thereof, which are mainly used on the surface of ships or equipment on ships. Background technique [0002] There are three forms of heat transfer: conduction, convection, and radiation. According to the three conduction mechanisms of heat, thermal insulation coatings can be divided into barrier type thermal insulation coatings, reflective coatings and radiation type coatings. Reflective coatings, also known as solar heat reflective coatings, are developed on the basis of aluminum-based reflective coatings. Reflective coatings are generally prepared from pigments and fillers, base materials and additives with high reflectivity to sunlight and low absorption rate. The coating film prepared in this way has a high solar reflectance. It can reflect the sun's thermal radiation back to the outer space, thereby reducing the temperature of the coated s...

Claims

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Application Information

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IPC IPC(8): C09D5/33C09D5/08C09D133/00C09D7/12
CPCC09D5/004C08K3/22C08K3/34C08K7/24C08K7/26C08K13/04C08K2003/2241C08K2003/2296C08K2201/011C08L2201/04C08L2201/08C09D5/08C09D7/61C09D7/70C09D133/00
Inventor 卞云峰
Owner SHENGYA TECH DALIAN
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