Thermo-setting acrylic-acid emulsion, its preparing method and paint containing same
An acrylic emulsion and thermosetting technology, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problem of interlayer adhesion, uncontrollable coating thickness, and salt spray resistance that can only reach 9.5 or even Lower problems
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Embodiment 1
[0074] Recipe (1):
[0075] Sodium vinyl sulfonate (25% aqueous solution) 8.0g
[0076] Sodium lauryl sulfate (5% aqueous solution) 4.0g
[0077] 150g deionized water
[0078] Recipe (2):
[0079] Methyl methacrylate 35.5g
[0080] Isooctyl acrylate 15.0g
[0081] Butyl acrylate 18.4g
[0082] Acrylic acid 1.5g
[0083] Hydroxyethyl Acrylate 25g
[0084] A-174 (GE company silane department) 1.0g
[0085] Vinyl tertiary carbonate (EXXON company) 1.5g
[0086] Trimethylolpropane diallyl ether 0.1
[0087] Formula (3):
[0088] Potassium persulfate (5% aqueous solution) 16g
[0089] The preparation steps of thermosetting acrylic emulsion are as follows:
[0090] (1) Under the condition of nitrogen protection, in a 1-liter reaction bottle equipped with a stirrer, a thermometer, and a condenser, add the substances in the formula (1) in sequence, stir and mix evenly, and heat to 40°C to make a mixture A;
[0091] (2) Add all the monomers in the formula (2) to the beake...
Embodiment 2
[0096] Recipe (1):
[0097] AMPS (Lubrizol company) 25% ammonia solution*4.0g
[0098] Sodium lauryl sulfate (5% aqueous solution) 16.0g
[0099] 150g deionized water
[0100] Recipe (2):
[0101] Methyl methacrylate 42.95g
[0102] Isooctyl acrylate 20.0g
[0103] Butyl acrylate 14.0g
[0104] Methacrylic acid 4.0g
[0105] Hydroxyethyl methacrylate 15g
[0106] Witco A-172 (GE Company Silane Division) 1.5g
[0107] Glycidyl methacrylate 1.5g
[0108] Trimethylolpropane trimethacrylate 0.05
[0109] Formula (3):
[0110] Potassium persulfate (5% aqueous solution) 30g
[0111] (*Preparation of AMPS 25% ammonia solution: make AMPS solid into 30% aqueous solution with deionized water, then use ammonia water to adjust pH to 5-6, then use deionized water to adjust the effective content, calculated as 25% of AMPS.)
[0112] The preparation steps of thermosetting acrylic emulsion are as follows:
[0113] (1) Under the condition of nitrogen protection, in a 1-liter react...
Embodiment 3
[0119] Recipe (1):
[0120] AMPS (NH3) (Lubrizol company) (25% aqueous solution) 16.0g
[0121] Sodium lauryl sulfate (5% aqueous solution) 2.0g
[0122] 150g deionized water
[0123] Recipe (2):
[0124] Methyl methacrylate 40.3g
[0125] Isooctyl acrylate 16.0g
[0126] Butyl acrylate 21.0g
[0127] Acrylic acid 8.0g
[0128] Hydroxyethyl Acrylate 10g
[0129] A-151 (Silane Department of GE Company) 0.5g
[0130] Trimethylolpropane triacrylate 0.2g
[0131] Formula (3):
[0132] Potassium persulfate (5% aqueous solution) 60g
[0133] The preparation steps of thermosetting acrylic emulsion are as follows:
[0134] (1) Under the condition of nitrogen protection, in a 1-liter reaction bottle equipped with a stirrer, a thermometer, and a condenser, add the substances in the formula (1) in sequence, stir and mix evenly, and heat to 70°C to make a mixture A;
[0135] (2) Add all the monomers in the formula (2) to the beaker one by one, stir and mix evenly to make mixt...
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