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Methods for preparing mono-component hybridized aqueous anti-icing coating material and coating layer thereof and application of coating material

An anti-icing and coating technology, applied in the fields of materials, chemistry, and chemical industry, can solve the problems of high energy consumption, low efficiency, and easy pollution of the environment, and achieve the effect of simple construction technology, simple process, and reduced roughness

Active Publication Date: 2014-04-30
INST OF CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Generally speaking, the anti-icing methods widely used at present generally have the disadvantages of high energy consumption, low efficiency, and easy pollution of the environment. Therefore, it is urgent to develop an anti-icing method that is easy to construct, low energy consumption, high efficiency, and pollution-free.

Method used

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  • Methods for preparing mono-component hybridized aqueous anti-icing coating material and coating layer thereof and application of coating material
  • Methods for preparing mono-component hybridized aqueous anti-icing coating material and coating layer thereof and application of coating material
  • Methods for preparing mono-component hybridized aqueous anti-icing coating material and coating layer thereof and application of coating material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] Example 2

[0055] (1) A certain quality of water-based epoxy-acrylate emulsion and an equivalent stoichiometric modified imidazole latent water-based curing agent are fully mixed evenly by a high-speed mixer.

Embodiment 2

[0057] (3) Apply the above-mentioned anti-icing coating to the surface of the aluminum alloy substrate by brushing, and solidify at 220° C. to form a film to obtain an anti-icing coating.

[0058] Example 3

[0059] (1) polyethylene adipate diol (M n =1000, 65g), isophorone diisocyanate (31g), dimethylolpropionic acid (6.7g) were added to a three-necked flask, heated to 80°C and stirred, and reacted to the content of -NCO group under nitrogen protection When the theoretical value is reached, add an appropriate amount of acetone according to the viscosity of the system to reduce the viscosity; add a stoichiometric blocking agent caprolactam, react at 80°C for 2 hours to block -NCO, until the reaction of -NCO is basically complete; cool down to 40°C, add triethylamine (5g), and neutralized for 15 minutes to obtain a polyurethane prepolymer; by adjusting the stirring, the polyurethane prepolymer was dispersed in deionized water to obtain a cross-linkable and curable aqueous poly...

Embodiment 3

[0061] (3) Apply the above-mentioned anti-icing coating to the surface of the aluminum alloy substrate by brushing, and dry at 180°C to form a film to obtain an anti-icing coating.

[0062] Example 4

[0063] (1) Polyethylene glycol (M n =1000, 65g), toluene diisocyanate (26g) was added into a three-necked flask, heated to 80°C and stirred, and reacted under nitrogen protection for 2h; then added dimethylolpropionic acid (6.7g), reacted at 80°C for 2h; Cool down to 60°C, add hydroxyethyl methacrylate (1.5g) and hydroquinone (0.5g), react for 2h; cool down to 40°C, add triethylamine for neutralization reaction for 0.5h, to obtain polyurethane prepolymer ; By high-speed stirring, the polyurethane prepolymer is dispersed in deionized water to obtain a photocurable polyurethane emulsion.

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Abstract

The invention provides a mono-component hybridized aqueous anti-icing coating material. The mono-component hybridized aqueous anti-icing coating material mainly contains a hybridization emulsion, wherein the hybridization emulsion is a nanoparticle modified polymer emulsion preferably. The invention further provides a coating layer containing the coating material, a preparation method of the coating material, a coating method of the coating layer and a method for forming an anti-icing coating layer on the surface of a base material. As water serves as a dispersion medium, the mono-component hybridized aqueous anti-icing coating material provided by the invention is environment-friendly; after cured to form a film, the coating layer can have excellent wear resistance and prolonged service life; through coating the surfaces of base materials, such as metal, glass and macromolecular engineering materials, with the anti-icing coating layer, the ice adhesion strength of the surfaces of the base materials can be lowered, so that compared with the other similar materials, the material has the following advantages of simple process, wide applicable range, easiness in large-area construction, excellent anti-icing performance, excellent mechanical properties and easiness in coating layer repair.

Description

technical field [0001] The invention belongs to the technical fields of chemistry, chemical industry and materials, and relates to a single-component hybrid water-based anti-icing coating and a preparation method and application of the coating. Background technique [0002] Freezing rain, frost, snowfall and other weathers cause many inconveniences to people's lives. Seriously, this kind of weather often leads to ice coating on the surface of equipment such as roads, vehicles, ships, aircraft, power transmission line facilities, communication facilities, wind turbines, dams, offshore platforms, radar antennas and radomes. This icing phenomenon will not only cause damage and failure of equipment and facilities, causing economic losses, but also lead to major disasters and casualties. For example, the snowstorm in southern China in 2008 caused direct economic losses of up to 15 billion yuan. Another example is the phenomenon of icing on the wings of airplanes that has result...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D163/00C09D175/06C09D175/08C09D7/12
Inventor 王健君吕健勇窦仁美宋延林
Owner INST OF CHEM CHINESE ACAD OF SCI
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