Lyophobic coating
A technology of lyophobic and coating materials, applied in the direction of coating, textile and papermaking, fiber processing, etc., can solve the problems of hydrophobicity and oleophobicity, not universality, etc., which are not suitable for flexible or stretchable surfaces
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Embodiment 1
[0045] Embodiment 1: Spraying a lyophobic coating on the glass surface;
[0046] Cut the glass into a size of 3*3cm, wash and dry; use silicone rubber or fluorosilicone rubber SIFEL8370A / B, mix component A and component B at a ratio of 1:1, take 1g of the mixture and dilute it with Ak-225 for 10 times; use the diluent to spin coat the glass surface at 3000rmp; put the glass in an oven at 100°C for 15 minutes and take it out; take 0.2g of F-POSS, 0.8g of SiO2 nanoparticles, and 50mL of AK-225, respectively, and put them into sealed sample bottles , Ultrasound for 1 hour to get the spraying liquid; spray the spraying liquid on the glass with a 0.2mm spray gun, 50psi, about 10cm away from the glass surface, and spray according to the spraying amount of continuous spraying for 30s per square centimeter; after spraying, put the glass into an oven at 80°C , baked for 2 hours, and taken out; the glass with hydrophobic and oleophobic surface can be obtained, and the measured contact a...
Embodiment 2
[0047] Embodiment 2: Spraying lyophobic coating on cotton cloth surface
[0048] Wash the cotton cloth, dry it, lay it flat and fix it on the test bench; use silicone rubber or fluorosilicone rubber SIFEL8370A / B, mix component A and component B at a ratio of 1:1, take 1g of the mixture and use AK-225 Dilute 10 times; put the diluent into the spray gun, use a 0.12mm caliber spray gun, 50psi pressure, about 10cm away from the surface of the cotton cloth, and spray according to the spraying amount of continuous spraying for 20s per square centimeter; after spraying, put the cotton cloth in an oven at 100°C, Take it out in 15 minutes; take 0.25g F-POSS, 0.5g SiO2 nanoparticles, and 50mL AK-225 respectively, put them into a sealed sample bottle, and ultrasonicate for 1 hour to obtain the spray liquid; use the spray liquid 0.15mm spray gun to spray the cotton cloth, 50psi, distance from the surface of the cotton cloth About 10cm, according to the spraying amount of continuous sprayi...
Embodiment 3
[0049] Embodiment 3: Spray lyophobic coating on stretchable silicone rubber or silicone rubber PDMS surface
[0050] Prepare the PDMS precursor solution according to the mass ratio of 10:1, vacuumize to remove air bubbles, and use a mold to prepare a PDMS film with a thickness of about 0.5mm and a size of 5*1cm. Keep the surface of PDMS clean and dry, lay it flat and fix it on the test bench; use silicone rubber or fluorosilicone rubber SIFEL8370A / B, mix component A and component B at a ratio of 1:1, take 1g of the mixture and dilute it with AK-225 5 times; put the diluent into the spray gun, use a 0.15mm caliber spray gun, 50psi pressure, about 10cm away from the PDMS surface, and spray according to the spraying amount of continuous spraying for 15s per square centimeter; after spraying, put the PDMS in an oven at 100°C for 15 minutes Take out; take 0.1gF-POSS, 0.25gSiO2 nanoparticles, 30mL AK-225 respectively, put them into a sealed sample bottle, and ultrasonicate for 1 hou...
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