Application of nano silicon dioxide sol in water-based steel structure anticorrosive paint and protective paint
A technology of nano-silica and steel structure, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems of poor water resistance of anti-corrosion paint, achieve good water resistance, prevent penetration, and improve anti-corrosion performance
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[0018] The present invention will be described in further detail below in conjunction with specific embodiments.
[0019] 1. The nano-silica sol of the present invention is applied in the water-based steel structure anticorrosion paint, and the acidic silica sol (a colloidal solution of nano-scale polymer inorganic metasilicate with a solid content of 25%) is added to 2-5% of the silica sol KH560 silane coupling agent (glycidyl ether oxypropyl trimethoxysilane), coupled at 55±5°C to form a modified nano-silica sol; then added to water-based acrylic emulsion for steel structure Corrosive water-based industrial coatings.
[0020] Two, the embodiment of water-based steel structure anticorrosion paint, formula composition comprises the raw material of following weight percentage:
[0021]
[0022] 3. Preparation method of water-based steel structure anticorrosion paint:
[0023] (1) First put the acidic silica sol collagen solution into the reactor, heat it to 55°C with a wat...
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