Room temperature cured fluorocarbon coating modified with nano particles and preparation method of room temperature cured fluorocarbon coating
A room temperature curing, fluorocarbon coating technology, used in anti-corrosion coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of not reaching the design life of railway structures, high maintenance and repair costs of railway structures, and achieve better shielding and reflection effects. Good, good shading effect, improve the effect of weather resistance
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Embodiment 1
[0021] (1) The weight percent of each raw material in A component is:
[0022] FEVE fluorocarbon resin, 42%;
[0023] Nano titanium dioxide filler, 30%;
[0024] Disco-shaped nano-europium trioxide filler, 2%;
[0025] Solvent, 17%;
[0026] Leveling agent, 2%;
[0027] Defoamer, 2%;
[0028] Wetting and dispersing agent, 2%;
[0029] Thixotropic agent, 1%;
[0030] Pigments, 2%.
[0031] According to R=1.05, component B calculates the amount of isocyanate required, and the weight percentage of each raw material is:
[0032] HDI biuret, 20%;
[0033] HDI trimer, 20%;
[0034] Solvent, 60%.
[0035] (2) The preparation steps include:
[0036] (1) Prepare the raw materials of component A and component B according to the weight percentage
[0037] (2) Add leveling agent, wetting and dispersing agent, defoamer, pigment, nano-titanium dioxide and disk-shaped nano-europium trioxide filler of said weight in the high-speed dispersion kettle, carry out high-speed dispersion...
Embodiment 2
[0041] (1) The weight percent of each raw material in A component is:
[0042] FEVE fluorocarbon resin, 42%;
[0043] Nano titanium dioxide filler, 27%;
[0044] Disco-shaped nano europium trioxide filler, 5%;
[0045] Solvent, 17%;
[0046] Leveling agent, 2%;
[0047] Defoamer, 2%;
[0048] Wetting and dispersing agent, 2%;
[0049] Thixotropic agent, 1%;
[0050] Pigments, 2%.
[0051] According to R=1.05, component B calculates the amount of isocyanate required, and the weight percentage of each raw material is:
[0052] HDI biuret, 20%;
[0053] HDI trimer, 20%;
[0054] Solvent, 60%.
[0055] The raw materials used in component B are the same as in Example 1.
[0056] (2) The preparation method is the same as in Example 1.
Embodiment 3
[0058] (1) The weight percent of each raw material in A component is:
[0059] FEVE fluorocarbon resin, 42%;
[0060] Nano titanium dioxide filler, 24%;
[0061] Disco-shaped nano europium trioxide filler, 8%;
[0062] Solvent, 17%;
[0063] Leveling agent, 2%;
[0064] Defoamer, 2%;
[0065] Wetting and dispersing agent, 2%;
[0066] Thixotropic agent, 1%;
[0067] Pigments, 2%.
[0068] According to R=1.05, component B calculates the amount of isocyanate required, and the weight percentage of each raw material is:
[0069] HDI biuret, 20%;
[0070] HDI trimer, 20%;
[0071] Solvent, 60%.
[0072] The raw materials used in component B are the same as in Example 1.
[0073] (2) The preparation method is the same as in Example 1.
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