Glass bead filled silicone gel anti-fouling and antibacterial coating as well as preparation method and application thereof
A technology of silicone gel and glass beads, which is applied in coatings, antifouling/underwater coatings, paints containing biocides, etc. To avoid problems such as wear and tear, achieve the effects of good chemical resistance and abrasion resistance, excellent antibacterial and bactericidal properties, and fast film formation
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Embodiment 1
[0059] (1) Mix 0.78g (0.004mol) of 3-mercaptopropyltrimethoxysilane, 4.18g (0.015mol) of methacryloxyethyl benzyl dimethyl ammonium chloride, 3.25g (0.008mol) of polyethylene Glycol monomethyl ether-methacrylate and 20g of dichloromethane were added to the container, and nitrogen gas was passed into the container for 15min to remove the air in the reaction flask, 0.1g of initiator azobisisobutyronitrile was added, and under nitrogen atmosphere, 80 ℃ for 12 hours, precipitated in ether, and dried under vacuum to obtain a quaternary ammonium salt hydrophilic polymer.
[0060] (2) quaternary ammonium salt hydrophilic polymer prepared by 0.35g step (1), 2.5g kinetic viscosity is 40000mPa·s hydroxyl-terminated polydimethylsiloxane, 0.3g glass microspheres, 0.15g orthosilicate Tetraethyl ester, 0.04g bismuth laurate and 10g xylene were added to the container, mixed evenly at room temperature, coated on a glass slide, and cured at room temperature for 12 hours to obtain a silicone ge...
Embodiment 2
[0062] (1) 0.78g (0.004mol) 3-mercaptopropyltrimethoxysilane, 4.18g (0.015mol) methacryloxyethyl benzyl dimethyl ammonium chloride, 3.25g (0.0117mol) methyl Acrylic acid sulfobetaine and 20g trifluoroethanol were added to the container, and nitrogen gas was introduced for 15 minutes to remove the air in the reaction flask, and 0.1g initiator azobisisobutyronitrile was added, and the reaction was carried out at 80°C for 12 hours under a nitrogen atmosphere. Precipitate in ether and dry under vacuum to obtain quaternary ammonium salt hydrophilic polymer.
[0063] (2) The quaternary ammonium salt hydrophilic polymer prepared by 0.35g, 2.5g viscosity is 40000mPa·s hydroxyl-terminated polydimethylsiloxane, 0.3g glass microspheres, 0.15g tetraethyl orthosilicate, 0.04 Add 1 g of bismuth laurate and 10 g of xylene into a container, mix evenly at room temperature, coat on a glass slide, and cure for 12 hours at room temperature to obtain a silicone gel antifouling and antibacterial co...
Embodiment 3
[0065] (1) 0.78g (0.004mol) 3-mercaptopropyltrimethoxysilane, 4.18g (0.015mol) methacryloxyethyl benzyl dimethyl ammonium chloride, 3.25g (0.011mol) methyl Acryloyloxyethylphosphorylcholine and 20g dichloroethane were added to the container, and nitrogen gas was introduced for 15 minutes to remove the air in the reaction flask, and 0.1g initiator azobisisobutyronitrile was added, and under nitrogen atmosphere, React at 80°C for 12 hours, precipitate in ether, and dry under vacuum to obtain a quaternary ammonium salt hydrophilic polymer.
[0066] (2) The quaternary ammonium salt hydrophilic polymer prepared by 0.35g, 2.5g viscosity is 40000mPa·s hydroxyl-terminated polydimethylsiloxane, 0.3g glass microspheres, 0.15g tetraethyl orthosilicate, 0.04 Add 1 g of bismuth laurate and 10 g of xylene into a container, mix evenly at room temperature, coat on a glass slide, and cure for 12 hours at room temperature to obtain a silicone gel antifouling and antibacterial coating filled wit...
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