Preparation method of ultrafast self-repairing material and ultrafast self-repairing film layer on surface of matrix
A self-repairing material and self-repairing technology, applied in coatings, anti-corrosion coatings, epoxy resin coatings, etc., can solve problems such as loss of protection performance and damage, achieve excellent corrosion protection capabilities, wide sources, and simple and easy preparation methods Effect
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Embodiment 1
[0025] Three-dimensional micro / nano-scale solid particle copper oxide is selected, and its scanning electron microscope photos are as follows figure 1 As shown, it can be seen that the copper oxide is in the form of micro-nano particles.
[0026] Disperse the three-dimensional micro / nano-scale solid particle copper oxide into the ionic liquid, stir at 15°C for 60 minutes, then ultrasonically disperse at 65°C for 45 minutes, and vacuumize the air at the interface between copper oxide and the ionic liquid during the ultrasonic process to obtain A mixed material, in which the solid phase particles are evenly dispersed in the liquid phase without agglomeration. The transmission electron micrograph of the hybrid material is shown in figure 2 As shown, it shows that the solid phase particles form a cross-linked network structure in the liquid phase after simple dispersion.
[0027] The above mixed material is coated on the metal substrate to form a film layer. Then, if image 3...
Embodiment 2
[0035] Disperse the three-dimensional nano-solid particle fullerene into the liquid phase material silicone oil, stir at room temperature (25°C) for 30 minutes, then ultrasonically vibrate at 50°C for 60 minutes, and vacuumize the air at the interface between fullerene and silicone oil during the ultrasonic process , to obtain a mixed material, in which the solid phase particles are uniformly dispersed in the liquid phase without agglomeration. The transmission electron micrograph of the mixed material shows that the dispersed solid phase particles form a cross-linked network structure in the liquid phase.
[0036] The above mixed material is coated on the metal substrate to form a film layer. Then, the film layer was scratched to form a scratch, even if the width of the scratch reached millimeter level, after 2 seconds, the scratch was basically repaired, indicating that the film layer had ultra-fast self-healing ability.
[0037] Similar to Example 1, the film layer prepare...
Embodiment 3
[0039] Three-dimensional micron-sized solid particle zinc oxide is selected, which is dispersed into the epoxy resin of the liquid phase material, shaken at room temperature (25°C) for 45 minutes, and then ultrasonically dispersed at 75°C for 30 minutes, and the zinc oxide and ring are removed by vacuuming during the ultrasonic process. The air at the interface of the oxygen resin can be used to obtain a mixed material in which the solid phase particles are uniformly dispersed in the liquid phase without agglomeration. The transmission electron micrograph of the mixed material shows that the dispersed solid phase particles form a densely packed labyrinth structure in the liquid phase.
[0040] The above mixed material is coated on the metal substrate to form a film layer. Then, the film layer was scratched to form a scratch, even if the scratch width reached millimeter level, after about 2 seconds, the scratch was basically repaired, indicating that the film layer has ultra-fa...
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