Anti-aging multifunctional sealing coating for painted and colored painting cultural relics as well as preparation method and application of anti-aging multifunctional sealing coating
An anti-aging, multi-functional technology, applied in coatings, decorative arts, preserved paintings, etc., can solve the problems of limited anti-aging performance, weak hydrophobic performance, serious loss of light, etc., and achieve good barrier effect of environmental media and anti-aging performance The effect of improving the production process is simple and feasible
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[0028] A method for preparing an anti-aging multi-functional sealing coating for oil-decorated painted cultural relics, characterized in that it comprises the following steps:
[0029] Weighing of raw materials: Weigh the raw materials according to the above-mentioned proportions;
[0030]Film-forming resin compounding: Weigh 50% of the water-based fluorocarbon resin, slowly drop it into deionized water with a mass percentage of 10-20 wt%, and stir at 500-1000 r / min for 5-10 minutes at room temperature to obtain the first water-based fluorocarbon resin solution , weigh 50% of the water-based fluorocarbon resin and slowly add it dropwise to the first water-based fluorocarbon resin solution, stir at 1000-2000 r / min for 20-60 min at room temperature; disperse evenly to obtain a water-based fluorocarbon resin solution; weigh 40 % water-based silicone-acrylic emulsion is slowly added to the fluorocarbon resin solution, stirred at 500-1000 r / min for 30-60 min at room temperature to ...
Embodiment 1
[0036] Take 50g of water-based fluorocarbon resin and add it to 100g of deionized water, stir at room temperature at 500r / min for 8min, then weigh 50g of water-based fluorocarbon resin and add it slowly, stir at 1000r / min for 30min; weigh 160g of water-based silicone-acrylic emulsion and slowly add dropwise Add to the prepared fluorocarbon resin solution, stir at 500r / min for 30min, weigh 240g of water-based silicone-acrylic emulsion and slowly drop it into the sealing paint, stir at room temperature for 90min at 1000r / min, and obtain the anti-aging multi-functional storage for oil decoration and color painting cultural relics. The film-forming resin system of the coating is component A;
[0037] Weigh 240g of component A, slowly add 45g of mixed antiaging agent (35g hindered amine light stabilizer + 10g benzotriazole ultraviolet absorber) dropwise, stir at 2000r / min for 90min to obtain a resin coating containing antiaging agent system, which is component B;
[0038] Weigh 18...
Embodiment 2
[0041] Take 50g of water-based fluorocarbon resin and add it to 100g of deionized water, stir at room temperature at 800r / min for 10min, then weigh 50g of water-based fluorocarbon resin and add it slowly, stir at 1500r / min for 40min; weigh 160g of water-based silicone-acrylic emulsion and slowly dropwise Add to the prepared fluorocarbon resin, stir at 800r / min for 40min, weigh 240g of water-based silicone-acrylic emulsion and slowly drop it into the sealing paint, stir at room temperature at 2000r / min for 90min, to obtain an anti-aging multi-functional sealing paint for oil decoration and color painting cultural relics The film-forming resin system is component A;
[0042] Weigh 240g of component A, slowly add 50g of mixed antiaging agent (30g hindered amine light stabilizer + 20g benzotriazole UV absorber) dropwise, stir at 2500r / min for 90min to obtain a resin coating containing antiaging agent system, which is component B;
[0043] Weigh 180g of component A, add 30g of fil...
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