a lyophobic coating
A liquid-repellent, coating material technology, applied in the direction of coating, textile and papermaking, fiber processing, etc., can solve the problem of not being universal, not suitable for flexible or stretchable surface hydrophobicity and oleophobicity, etc.
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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 Spin-coat the glass surface with the diluent 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 into sealed samples In the bottle, ultrasonically for 1 hour to obtain the spray liquid; spray the spray 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 in 80 ℃ oven, bake for 2 hours, take it out; you can get glass with hydrophobic and oleophobic surface, and the measured contact angle to olive oil is 136.0-138.5°.
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 a spray solution; use a 0.15mm spray gun to spray the spray solution on cotton cloth, 50psi, About 10cm away from the surface of the cotton cloth, spray according to the spraying amount of continuous s...
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 0.1g F-POSS, 0.25g SiO2 nanoparticles, and 30mL AK-225 respectively, put them into a sealed sample bottle, and ultrasonicate for...
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