A kind of water-based inorganic shop primer
A shop primer, inorganic technology, applied in anti-corrosion coatings, alkali metal silicate coatings, etc., can solve problems such as excessive zinc powder and affect the health of construction workers, reduce usage, reduce VOC emission levels, and ensure rust prevention. performance effect
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Examples
Embodiment 1
[0017] The weight ratio of component A and component B of water-based inorganic shop primer is 3:5, and the composition and content of component A and component B are as follows in parts by weight:
[0018] Composition and content of component A: 105 parts of water glass with a Baume degree of 38-42, 26 parts of silicon-acrylic emulsion, 1.1 parts of leveling agent, 1.3 parts of dispersant, 0.6 parts of corrosion inhibitor, and 30 parts of water;
[0019] Composition and content of component B: 92 parts of zinc powder, 65 parts of apatite powder, 17 parts of mica powder, 10 parts of calcium silicate powder, and 4 parts of silicon dioxide powder.
[0020] Slowly add component B of the water-based inorganic shop primer prepared in Example 1 to component A and continuously and fully stir until the required ratio is reached, then spray-coat the two sample steel plates. The results showed that the surface drying time of the paint film was about 3.5 minutes, and the dry film thickne...
Embodiment 2
[0022] The weight ratio of component A and component B of water-based inorganic shop primer is 3:5, and the composition and content of component A and component B are as follows in parts by weight:
[0023] Composition and content of component A: 108 parts of water glass with a Baume degree of 38-42, 27 parts of silicon-acrylic emulsion, 1.2 parts of leveling agent, 1.4 parts of dispersant, 0.7 parts of corrosion inhibitor, and 35 parts of water;
[0024] Composition and content of component B: 94 parts of zinc powder, 68 parts of apatite powder, 18 parts of mica powder, 11 parts of calcium silicate powder, and 5 parts of silicon dioxide powder.
[0025] Slowly add component B of the water-based inorganic shop primer prepared in Example 2 to component A and continuously and fully stir until the required ratio is reached, then spray-coat the two sample steel plates. The results showed that the surface drying time of the paint film was about 3.5 minutes, and the dry film thickne...
Embodiment 3
[0027] The weight ratio of component A and component B of water-based inorganic shop primer is 3:5, and the composition and content of component A and component B are as follows in parts by weight:
[0028] Composition and content of component A: 120 parts of water glass with a Baume degree of 38-42, 30 parts of silicon acrylic emulsion, 1.2 parts of leveling agent, 1.5 parts of dispersant, 0.8 parts of corrosion inhibitor, 40 parts of water;
[0029] Composition and content of component B: 100 parts of zinc powder, 72 parts of apatite powder, 18 parts of mica powder, 15 parts of calcium silicate powder, and 7 parts of silicon dioxide powder.
[0030] Slowly add component B of the water-based inorganic shop primer prepared in Example 3 to component A and continuously and fully stir until the required ratio is reached, then spray-coat the two sample steel plates. The results show that the surface drying time of the paint film is about 4 minutes, and the dry film thickness is ab...
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Abstract
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