Hydrophilic and oleophobic easy-to-clean organic coating and preparation method thereof
An organic coating, hydrophilic and oleophobic technology, applied in coatings, epoxy resin coatings, etc., can solve the problems of non-oil repellency, difficulty in large-scale production and application, water drop rolling, etc., to achieve easy replacement and excellent anti-pollution effect of ability
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Embodiment 1
[0038] In this embodiment, the hydrophilic and oleophobic easy-to-clean organic coating is composed of an organic solution and a curing agent. The curing agent is N,N-dimethylbenzylamine, and the curing agent accounts for 9% of the mass of the organic solution.
[0039] The organic solution is a fluorine-containing polyurethane-modified epoxy resin solution formed by reacting fluorine-containing polyurethane and epoxy resin in an organic solvent. Among them, fluorine-containing polyurethane and epoxy resin are bonded by chemical bonds to form a semi-interpenetrating network structure; the mass ratio of epoxy resin to fluorine-containing polyurethane is 88:12, and the organic solvent accounts for the mass of the epoxy resin solution modified by fluorine-containing polyurethane. 30% of;
[0040] Fluorine-containing polyurethane is polymerized by hydrophilic diols, fluoroalcohols and diisocyanates under the catalysis of an appropriate amount of organometallic compound catalyst; ...
Embodiment 2
[0056] In this embodiment, the hydrophilic and oleophobic easy-to-clean organic coating is composed of an organic solution and a curing agent, the curing agent is triethanolamine, and the curing agent accounts for 7% of the mass of the organic solution.
[0057] The organic solution is a fluorine-containing polyurethane-modified epoxy resin solution formed by reacting fluorine-containing polyurethane and epoxy resin in an organic solvent. Among them, fluorine-containing polyurethane and epoxy resin are bonded by chemical bonds to form a semi-interpenetrating network structure; the mass ratio of epoxy resin to fluorine-containing polyurethane is 80:20, and the organic solvent accounts for the mass of the epoxy resin solution modified by fluorine-containing polyurethane. 33% of
[0058] Fluorine-containing polyurethane is polymerized by hydrophilic diols, fluoroalcohols and diisocyanates under the catalysis of an appropriate amount of organometallic compound catalyst; The molar...
Embodiment 3
[0074] In this embodiment, the hydrophilic and oleophobic easy-to-clean organic coating is composed of an organic solution and a curing agent, the curing agent is 2-dimethylimidazole, and the curing agent accounts for 5% of the mass of the organic solution.
[0075] The organic solution is a fluorine-containing polyurethane-modified epoxy resin solution formed by reacting fluorine-containing polyurethane and epoxy resin in an organic solvent. Among them, fluorine-containing polyurethane and epoxy resin are bonded by chemical bonds to form a semi-interpenetrating network structure; the mass ratio of epoxy resin to fluorine-containing polyurethane is 82:18, and the organic solvent accounts for the mass of the epoxy resin solution modified by fluorine-containing polyurethane. 36% of
[0076] Fluorine-containing polyurethane is polymerized by hydrophilic diols, fluoroalcohols and diisocyanates under the catalysis of an appropriate amount of organometallic compound catalyst; The m...
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