Excellent corrosion-proof performance organic-inorganic hybridized coatings and its prepn. method
A technology of coating material and corrosion resistance, applied in coatings, epoxy resin coatings, devices for coating liquids on surfaces, etc., can solve problems such as phase separation, achieve easy operation, inhibit corrosion, and excellent film-forming properties Effect
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[0051] Example 1:
[0052] Organic-inorganic hybrid coating material formulation 1
[0053] Composition Dosage (g)
[0054] Ethylenediaminetetraacetic acid 3
[0055] Citric acid 3
[0056] 3-glycidyl ether methpropoxytrimethoxysilane 15
[0057] Propyltrimethoxysilane 30
[0058] Cyclohexyl epoxy dimethoxy silane 5
[0059] Ethanol 17
[0060] Water 25
[0061] Waterborne acrylic resin 2
[0062] In a reactor equipped with a stirrer, a thermometer, a condenser, and a dropping funnel, 15 grams of 3-glycidyl ether methpropoxytrimethoxysilane, 30 grams of propyltrimethoxysilane, and 5 grams of cyclohexyl ring were added. Oxydimethoxysilane, 10g ethanol, 3g ethylenediaminetetraacetic acid, 3g citric acid, control the temperature at 50-60℃, stir at 800rpm for 10 minutes, mix 10g ethanol and 25g water and place In the dropping funnel, under the speed of 200-400rpm, 50-60℃ in 1-2 hours, continue to stir at 70-80℃ for 10 hours, add 2 g of water-based acrylic resin, stir at 100...
Example Embodiment
[0063] Example 2:
[0064] Organic-inorganic hybrid coating material formulation 2
[0065] Composition Dosage (g)
[0066] Oxalic acid 4
[0067] Phytic acid 6
[0068] Epoxy triethoxysilane 5
[0069] Silicone methoxy-terminated polydimethylsiloxane 20
[0070] γ-Aminopropyltriethoxysilane 5
[0071] N-hexadecyltrimethoxysilane 5
[0072] Isopropyl alcohol 10
[0073] Ethanol 15
[0074] Water 25
[0075] Ethyl orthotitanate 0.5
[0076] Waterborne amino resin 4
[0077] Leveling agent 0.5
[0078] In a reactor equipped with a stirrer, a thermometer, a condenser, and a dropping funnel, add 5 grams of epoxy triethoxy silane and 20 grams of siloxane-terminated polydimethylsiloxane with a molecular weight of 800-1000. Alkane, 5g γ-aminopropyltriethoxysilane, 5g n-hexadecyltrimethoxysilane, 10g isopropanol, 4g oxalic acid, 6g phytic acid, control temperature 10-20℃, 1000rpm Stir for 20 minutes, mix 15 grams of ethanol and 25 grams of water, and place them in the dropping ...
Example Embodiment
[0079] Example 3:
[0080] Organic-inorganic hybrid coating material formulation 3
[0081] Composition Dosage (g)
[0082] Hydroxyethylidene diphosphonic acid 3
[0083] Phenyl epoxy diethoxy silane 20
[0084] N-cyclohexyl-γ-aminopropyl methyldimethoxysilane 5
[0085] Polyethylene glycol 2
[0086] Ethanol 20
[0087] Water 30
[0088] Waterborne polyurethane resin 10
[0089] Trifunctional aziridine 2.2
[0090] Titanium dioxide pigment 7
[0091] Dispersant 0.1
[0092] Wetting agent 0.1
[0093] Leveling agent 0.2
[0094] Defoamer 0.3
[0095] In a reactor equipped with a stirrer, a thermometer, a condenser, and a dropping funnel, add 20 grams of phenylepoxy diethoxysilane and 5 grams of N-cyclohexyl-γ-aminopropylmethyldimethoxy Base silane, 2 grams of polyethylene glycol with an average molecular weight of 400, 10 grams of ethanol, 3 grams of hydroxy ethylidene diphosphonic acid, control the temperature at 30-40 ℃, stir at 500 rpm for 10 minutes, mix 10 grams of e...
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