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A two-component water-based coating
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A water-based coating, two-component technology, applied in the direction of anti-corrosion coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of waste of resources, environmental pollution, non-recycling, etc., and achieve long service life, high corrosion resistance, Environmental and construction personnel friendly effect
Active Publication Date: 2022-03-15
常州威斯敦粘合材料有限责任公司
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Abstract
Description
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Problems solved by technology
Fluorocarbon paints on the market are mainly solvent-based fluorocarbon paints, but solvent-based fluorocarbon paints contain relatively high volatile organic compounds (VOC). These organic compounds are directly volatilized into the air during construction and cannot be recycled, which will cause waste of resources. and environmental pollution
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Embodiment 1
[0034] A two-component water-aerated polyurea-fluorocarbon paint comprising a component and B component, the mass ratio of the A component and the B component is 5: 1;
[0035] The A component contains the following material in a weight portion:
[0036] Hydrophilic modified polymetramine resin 50 parts
[0045] The hydrophilic modified polyteenhanine ester structure is as follows:
[0046]
[0047] Where R 1 R 2 Both group, X is the formula of formula II .
[0048] The hydrophilic modified polyteenarutine resin was prepared from the following steps: (1) weighing 3,3'-dimethyl-4,4'-diaminiocyclohexy...
Embodiment 2
[0052] Example 2 The difference from Example 1 is to replace 3,3'-dimethyl-4,4'-diaminiocyclohexylmethane using the amount of the same material. Others are consistent with Example 1.
Embodiment 3
[0054] A two-component water-aerated polyurea-fluorocarbon paint, wherein the coating comprises a component and B component, the mass ratio of A component and B component is 4: 1;
[0055] The A component contains the following material in a weight portion:
[0056] Hydrophilic modified polymetanpartate resin 30 parts
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Abstract
The present invention proposes a new type of environmentally friendly two-component water-based paint, the paint includes A component and B component, the mass ratio of A component and B component is 4-6:1; the A component contains : Hydrophilic modified polyaspartic acid ester resin, water-based fluorocarbonemulsion, defoamer, leveling agent, film-forming aid, deionized water, component B contains water-based isocyanate curing agent and propylene glycol methyl in parts by weight Ether acetate; the two-component water-based polyurea-fluorocarbon paint of the present invention not only maintains the advantages of oil-soluble polyurea paint and oil-soluble fluorocarbon paint in performance, but also has strong water solubility, safety, non-toxicity, and is environmentally friendly. The construction personnel are friendly, the reactivity is low, and the gel time and pot life are greatly extended. Adding water-based fluorocarbon emulsion as a film material further improves the water resistance, yellowing resistance, weather resistance, salt spray resistance and durability of the paint film. , Provide long-term protection and maintain the decoration period, greatly extending the service life of the paint film.
Description
Technical field [0001] The present invention pertains to polymeric composite paint coating technologies, and particularly relates to a two-component aqueous coating. Background technique [0002] Polyurea is a class of compounds produced by the reaction of an isocyanate compound and amino compound, a polyurea material has a low VOC, high corrosion resistance and durability, efficiency, and wide adaptability construction, in the field of corrosion protection, material protection having broad application prospects, is well known, a prominent feature of polyurea spray elastomer technology is fast curing, a continuous coating can not flow in the vertical plane, but in some situations necessary to reduce the reaction rate to improve the operability of the polyurea system words, how to effectively reduce the reaction rate thereby expanding its scope of application is a technical problem. [0003] A polyurea material undergoes an aromatic polyureas, polyureas and aliphatic conventional ...
Claims
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Application Information
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