Waterborne potassium silicate zinc-rich primer for surface treatment of moisture-resistant steel structure and preparation method of waterborne potassium silicate zinc-rich primer
A surface treatment, zinc-rich primer technology, applied in alkali metal silicate coatings, anti-corrosion coatings, coatings, etc., can solve the problems of poor decorative effect, rapid coating failure, weak adhesion, etc. It has the effects of resistance to electric welding and cutting, chemical corrosion resistance, improved flexibility, and fast self-drying.
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[0015] A water-based potassium silicate zinc-rich primer for the surface treatment of moisture-resistant steel structures, made of the following raw materials in parts by weight: flake zinc powder 103, potassium silicate 13, styrene-acrylic emulsion 9, vinyl silicone oil 1.2, nano-carbon fiber 6 , Methyltriacetoxysilane 2.3, Ytterbium Nitrate 1.2, Graphite Powder 6, Sodium Lauryl Sulfate 0.7, Neopentyl Glycol 1.7, Calcium Gluconate 0.8, Deionized Water 23.
[0016] A preparation method of the described water-based potassium silicate zinc-rich primer for surface treatment of moisture-resistant steel structures, comprising the following steps:
[0017] (1) Slowly add vinyl silicone oil dropwise to styrene-acrylic emulsion, heat up to 70-80°C, react at constant temperature for 20-30 minutes, cool to 50-60°C, add nano-carbon fiber for ultrasonic treatment for 25-30 minutes, add lauryl alcohol sulfuric acid Continue ultrasonic treatment with sodium for 10-15 minutes to obtain modif...
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