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A water-based graphene and graphene powder technology, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve problems such as difficulty in meeting the requirements of ships
Inactive Publication Date: 2020-07-07
中环海化(厦门)船舶智能涂料有限公司
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[0004] In view of the fact that traditional anti-corrosion coatings are difficult to meet the requirements of outdoor equipment such as ships, bridges, and containers, the present invention proposes a water-based graphene co
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Embodiment 1
[0025] An anti-corrosion and weather-resistant functional integrated water-based graphene coating is characterized in that it is a two-component coating, including component A and component B, the mass ratio of component A and component B is 4:1, in parts by weight , A component includes 25 parts of water-based epoxy resin, 20 parts of water-based hydroxyl resin, 2 parts of graphene powder material, 13 parts of iron oxide red, 12 parts of mica powder, 5 parts of titanium dioxide, 8 parts of ultraviolet absorber UV- P, 0.5 parts of sodium alkyl naphthalene sulfonate, 1.5 parts of silicone defoamer, 0.5 parts of fumed silica, 0.5 parts of pH regulator, 12 parts of deionized water, component B includes 70 parts of water-based hydroxyl resin curing agent and 30 parts deionized water.
[0026] A preparation method for an anti-corrosion and weather-resistant functional integrated water-based graphene coating, comprising the following steps:
[0027] (1) According to parts by weight...
Embodiment 2
[0034] An integrated water-based graphene coating with anti-corrosion and weather resistance function is characterized in that it is a two-component coating, including component A and component B, and the mass ratio of component A and component B is 5:1. In the coating system, A The components include 30 parts of water-based epoxy resin, 18 parts of water-based hydroxyl resin, 1 part of graphene powder material, 15 parts of iron oxide red, 5 parts of zinc phosphate, 7 parts of titanium dioxide, 8 parts of light stabilizer GW-540, 0.5 Parts of sodium dodecyl sulfonate, 2 parts of water-based mineral oil emulsion, 0.5 parts of fumed silica, 1 part of pH regulator, 12 parts of deionized water, component B includes 80 parts of water-based hydroxyl resin curing agent and 20 parts of deionized water ionized water.
[0035] A preparation method for an anti-corrosion and weather-resistant functional integrated water-based graphene coating, comprising the following steps:
[0036] (1)...
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Abstract
An anticorrosive weather-resistant functional integrated water-based graphene coating is a two-component coating, and is prepared by taking water-based epoxy resin, water-based hydroxyl resin and a water-based hydroxyl resin curing agent as resin base materials, taking a graphene material, iron oxide red, barium sulfate, titanium dioxide and the like as anticorrosive weather-resistant functional pigments and fillers, and supplementing other functional aids. At present, a traditional anticorrosive coating is difficult to meet the use requirements of ships, bridges, containers and other outdoorequipment. An 'interpenetrating network' structure of epoxy resin/polyurethane is introduced into a coating system, so that the coating has the advantages of high strength and good shielding propertyof an epoxy resin material as well as good flexibility and excellent weather resistance of a polyurethane material, and the ageing resistance of the coating is improved; meanwhile, a graphene materialwith a large specific surface area and a two-dimensional lamellar structure is introduced into the coating system, so that the shielding performance of the coating is improved, and the corrosion protection capability of the coating is improved. The preparation method is simple; and the coating has excellent corrosion resistance and weather resistance and has important practical significance and wide market prospects.
Description
technical field [0001] The invention relates to the field of chemical materials, in particular to an anti-corrosion and weather-resistant functional integrated water-based paint and a preparation method thereof. Background technique [0002] Water-based coatings use water as a solvent, which can effectively avoid the harm to the ecological environment caused by the production of organic volatiles during the film formation process. For water-based anti-corrosion coatings used in outdoor environments such as ships, bridges, and containers, in addition to facing corrosive environments such as corrosive media, high temperature, high salt, and high humidity, they will also face environments exposed to the sun. Currently widely used epoxy resin anti-corrosion coating, because its main chain is easily decomposed by ultraviolet rays, the coating will cause cracking and pulverization when exposed to the sun, and the corrosion protection period is not satisfactory. The anti-corrosion...
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