Weather-resistant heavy-duty anticorrosive powder coating
A powder coating and heavy-duty anti-corrosion technology, applied in the field of coatings, can solve the problem that weather resistance and anti-corrosion properties cannot be combined, and achieve the effects of good anti-corrosion detection effect, excellent anti-corrosion resistance, and simple and convenient operation.
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Embodiment 1
[0030] A weather-resistant heavy-duty anti-corrosion powder coating, its raw material composition and weight are:
[0031] 1. GEST-5080 hydrogenated bisphenol A epoxy resin 450 parts;
[0032] 2. 80 parts of amine curing agent;
[0033] 3. 0.5 parts of imidazole;
[0034] 4. 60 parts of conductive zinc powder;
[0035] 5. 10 parts of polymer conductive polyaniline;
[0036] 6. 210 parts of weather-resistant filler combination.
[0037] The raw material components and parts of the weather-resistant filler combination are:
[0038] Precipitated barium sulfate 140 parts
[0039] Mica powder 28 parts
[0040] 42 parts of wollastonite;
[0041] 7. Auxiliary combination 29 parts;
[0042] The raw material components and parts of the additive combination are:
[0043]
[0044] The preparation method is:
[0045] Add the above-mentioned materials to a high-speed mixer, dry mix them and then add them to an extruder, melt, knead, cool, and tablet at an extrusion temperature...
Embodiment 2
[0047] A weather-resistant heavy-duty anti-corrosion powder coating, its raw material composition and weight are:
[0048] 1. GEST-5080 hydrogenated bisphenol A epoxy resin 500 parts;
[0049] 2. 70 parts of amine curing agent;
[0050] 3. 1 part of imidazole;
[0051] 4. 80 parts of conductive zinc powder;
[0052] 5. 20 parts of polymer conductive polyaniline;
[0053] 6. Weather-resistant filler combination 240 parts
[0054] The raw material components and parts of the weather-resistant filler combination are:
[0055] Precipitated barium sulfate 160 parts
[0056] Mica powder 32 parts
[0057] 48 parts of wollastonite;
[0058] 7. Auxiliary combination 29 parts;
[0059] The raw material components and parts of the additive combination are:
[0060]
[0061] The steps of the preparation method of this embodiment are the same as in Example 1.
[0062] The composition and function of each raw material are described below:
[0063] 1. The present invention abando...
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