Epoxy resin corrosion coating and preparation method thereof
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A technology of coating and titanium dioxide, which is applied in the field of epoxy resin corrosion coating and its preparation, can solve the problems of inability to meet the anti-corrosion requirements of concrete poles in high-salt-alkali areas, weak corrosion resistance and long-term performance
Inactive Publication Date: 2021-03-09
内蒙古电力(集团)有限责任公司巴彦淖尔电业局 +1
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[0003] Traditional anti-corrosion coatings contain many substances that are harmful to the human body and the environment. However, most of the environmentally-friendly anti-corrosion coatings currently used have weak corrosion resistance and long-term perf
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preparation example Construction
[0054] Preparation Example 1 Preparation of Nanosheet Titanium Dioxide
[0055] Dissolve 0.15g of tetraisopropyl titanate in 0.74g of hydrochloric acid, dissolve in 3g of ethylene glycol solution containing 0.2g of triblock copolymer P123, add the above mixture to 20ml of ethylene glycol, and heat the solvent The reaction was carried out at 170° C. for 20 hours, and the obtained solid precipitate was centrifuged, washed and dried to obtain nanosheet titanium dioxide.
[0056] Preparation Example 2 Preparation of Nanosheet Titanium Dioxide
[0057] Dissolve 0.1g of tetraisopropyl titanate in 0.32g of hydrochloric acid, dissolve in 3g of ethylene glycol solution containing 0.2g of triblock copolymer P123, add the above mixture to 20ml of ethylene glycol, and heat the solvent The reaction was carried out at 200° C. for 20 hours, and the obtained solid precipitate was centrifuged, washed and dried to obtain nanosheet titanium dioxide.
[0058] Preparation Example 3 Preparation o...
Embodiment 1
[0061] A kind of epoxy resin is used for the anti-corrosion anticorrosion coating of chloride ion on the surface of concrete electric pole, comprises following components;
[0062] The body is epoxy resin emulsion;
[0063] 5 parts curing agent;
[0064] 5 parts of diluent;
[0065] 10 parts of defoamer;
preparation example 1
[0066] 10 parts of nanosheet titanium dioxide prepared in Preparation Example 1.
[0067] The curing agent is polyamide or aromatic amine or aliphatic amine;
[0068] The diluent is ethanol.
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Abstract
The invention relates to the field of electric corrosion prevention, and in particular, relates to epoxy resin corrosion coating and a preparation method thereof. The epoxy resin anticorrosive coatingis used for a concrete pole in a high saline-alkali area and comprises an epoxy resin emulsion, 5-25 parts of a curing agent, 5-25 parts of a diluent, 5-10 parts of a defoaming agent, and 5-10 partsof nano lamellar titanium dioxide. According to the concrete epoxy resin anticorrosive coating disclosed by the invention, a nano titanium dioxide lamellar material is added, so that the strength of acoating layer can be improved, the coating is not layered, has excellent adhesiveness and excellent hydrophobic property, and thus, the self-cleaning property and anti-staining property of the coating are greatly improved, and the coating is used for coating the surface of concrete, is short in surface drying time and has the advantages of smooth and flat surface, obvious chloride ion corrosion resistance; the concrete epoxy resin anticorrosive coating has the advantages of simple preparation method, high yield and wide application prospect.
Description
technical field [0001] The invention relates to the field of electric anticorrosion, in particular to an epoxy resin corrosion coating and a preparation method thereof. Background technique [0002] Concrete poles (hereinafter referred to as poles) are widely used in power overhead transmission lines and substation outdoor structures, railway catenary pillars, broadcast communications, municipal lighting, etc. due to their advantages of low cost, convenient construction, long service life and low maintenance cost. Under construction. At present, reinforced concrete poles are still the most common type of poles on transmission lines. Due to the characteristics of safety, stability and sustainability in the power industry, concrete poles in service should have stronger durability and stability To ensure the safe and stable operation of the power grid. However, concrete is porous, and the surface structure is rough and the internal structure material is uneven. The above char...
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