Waterborne anticorrosive coating and preparation method thereof
A water-based technology for anti-corrosion coatings, applied in anti-corrosion coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of only having film-forming functions, only having weather resistance, and single functions of water-based resins, and achieves mature reaction methods, Suitable for large-scale production and remarkable technological progress
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Embodiment 1
[0088] A water-based anti-corrosion coating, calculated in parts by weight, its raw material composition and content are as follows:
[0089] Hydrophilic modified aliphatic polyisocyanate curing agent 10 parts
[0090] Long-lasting water-based resin 60 parts
[0091] Leveling agent 0.05 parts
[0092] 1 part wetting agent
[0093] 1 part thickener
[0094] 0.2 parts of defoamer
[0095] Coalescing aid 2 parts
[0096] Corrosion inhibitor 20 parts
[0097] 15 parts of pigments and fillers
[0098] Catalyst 0.02 parts
[0099] 20 parts deionized water
[0100] Wherein said hydrophilic modified aliphatic polyisocyanate curing agent is Bayhydur XP 2655 of German Bayer Company;
[0101] Described leveling agent is BYK 346 of BYK company;
[0102] Described wetting agent is NP-100 of U.S. Dow Company;
[0103] Described thickener is RM 825 of Rohm and Haas Co., Ltd.;
[0104] Described defoamer is the Nopco NXZ of German Henkel Company;
[0105] Described film-forming a...
Embodiment 2
[0123] A water-based anti-corrosion coating, calculated in parts by weight, its raw material composition and content are as follows:
[0124] 40 parts of hydrophilic modified aliphatic polyisocyanate curing agent
[0125] Long-lasting water-based resin 70 parts
[0126] Leveling agent 0.1 parts
[0127] Wetting agent 10 parts
[0128] thickener 3 parts
[0129] 1 part defoamer
[0130] Catalyst 1.0 parts
[0131] Corrosion inhibitor 30 parts
[0132] 30 parts of pigments and fillers
[0133] Coalescing aid 5 parts
[0134] 40 parts deionized water
[0135] Wherein said hydrophilic modified aliphatic polyisocyanate curing agent is Bayhydur XP 2655 of German Bayer Company;
[0136] Described leveling agent is BYK 346 of BYK company;
[0137] Described wetting agent is NP-100 of U.S. Dow Company;
[0138] Described thickener is RM 825 of Rohm and Haas Co., Ltd.;
[0139] Described defoamer is the Nopco NXZ of German Henkel Company;
[0140] The corrosion inhibitor is c...
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