High-temperature-resisting water-based potassium silicate zinc-rich primer for surface treatment of steel structure and manufacturing method of high-temperature-resisting water-based potassium silicate zinc-rich primer
A technology of surface treatment and zinc-rich primer, which is applied in the direction of alkali metal silicate coatings, anti-corrosion coatings, fire-proof coatings, etc., can solve the problems of zinc powder easy to settle, easy to agglomerate, poor decorative effect, etc., to achieve enhanced repulsion and The effect of steric hindrance, increasing relative contact angle, storage and not easy to settle
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[0015] A water-based potassium silicate zinc-rich primer for surface treatment of high-temperature resistant steel structures, which is made of the following raw materials in parts by weight: flake zinc powder 102, potassium silicate 15, styrene-acrylic emulsion 10, turpentine 0.9, glass fiber 6, vinyl Trimethoxysilane 3.6, lanthanum nitrate 0.9, conductive carbon black 8, polyvinylpyrrolidone 0.2, nano zinc oxide 1.4, kelp extract 1, sodium benzoate 0.7, deionized water 25.
[0016] A method for preparing a water-based potassium silicate zinc-rich primer for surface treatment of high-temperature-resistant steel structures, comprising the following steps:
[0017] (1) Slowly add turpentine to the styrene-acrylic emulsion, heat up to 70-80°C, react at constant temperature for 20-30 minutes, cool to 50-60°C, add nano-zinc oxide for ultrasonic treatment for 25-30 minutes, add kelp extract to continue Ultrasonic treatment for 10-15 minutes to obtain modified styrene-acrylic emulsi...
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