Preparation method of long-acting formaldehyde-removing coating
A formaldehyde and coating technology, applied in polyurea/polyurethane coatings, coatings, etc., can solve the problems of insufficient formaldehyde removal performance and limited light contact area, and achieve the effect of improving the persistence of formaldehyde purification and the improvement of formaldehyde purification rate
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Embodiment 1
[0033] A preparation method for long-acting formaldehyde-removing paint, the steps are as follows:
[0034] Step S01, take 5 parts of modified silicon dioxide, 2 parts of modified magnesium hydroxide, 3 parts of zinc borate, and 5 parts of diammonium hydrogen phosphate, put them into a grinder, grind for 10 minutes, and pass through a 90-mesh sieve to obtain auxiliary material A for use;
[0035] Step S02, take 20 parts of lavender, 25 parts of wormwood, 15 parts of lemon, 10 parts of mint, and 5 parts of almonds into a container, then add 800 parts of water, boil and filter to obtain auxiliary material B for later use;
[0036] Step S03, take 10 parts of oligomer polyol and dehydrate in a vacuum oven at 120°C for 1.5 hours, add 2 parts of modified nano-titanium dioxide, perform cooling treatment after ultrasonic vibration for 0.5 hours, then put the mixture in a flask, stir and add 1 part of dibasic hydroxy acid and 3 parts of isocyanate are reacted in an oil bath at 85°C to ...
Embodiment 2
[0042] A preparation method for long-acting formaldehyde-removing paint, the steps are as follows:
[0043] Step S01, take 6 parts of modified silicon dioxide, 4 parts of modified magnesium hydroxide, 5 parts of zinc borate, and 7 parts of diammonium hydrogen phosphate, put them into a grinder, grind for 12 minutes, and pass through a 90-mesh sieve to obtain auxiliary material A for use;
[0044] Step S02, take 22 parts of lavender, 28 parts of wormwood, 17 parts of lemon, 13 parts of mint, and 7 parts of almonds into a container, then add 900 parts of water, boil and filter to obtain auxiliary material B for later use;
[0045] Step S03, take 15 parts of oligomer polyol and dehydrate in a vacuum oven at 120°C for 1.5 hours, add 5 parts of modified nano-titanium dioxide, perform cooling treatment after ultrasonic vibration for 0.5 hours, then put the mixture in a flask, stir and add 2 parts of dibasic hydroxy acid and 4 parts of isocyanate are reacted in an oil bath at 85°C to o...
Embodiment 3
[0051] A preparation method for long-acting formaldehyde-removing paint, the steps are as follows:
[0052] Step S01, take 8 parts of modified silicon dioxide, 5 parts of modified magnesium hydroxide, 6 parts of zinc borate, and 10 parts of diammonium hydrogen phosphate, add them to a grinder, grind for 15 minutes, pass through a 100-mesh sieve, and obtain auxiliary material A for use;
[0053] Step S02, take 25 parts of lavender, 30 parts of wormwood, 20 parts of lemon, 15 parts of mint, and 10 parts of almonds into a container, then add 1000 parts of water, boil and filter to obtain auxiliary material B for later use;
[0054] Step S03, take 10-20 parts of oligomer polyol and dehydrate in a vacuum oven at 120°C for 2 hours, add 8 parts of modified nano-titanium dioxide, perform cooling treatment after ultrasonic vibration for 0.5 hours, then put the mixture in a flask, and stir Add 3 parts of dibasic hydroxy acid and 5 parts of isocyanate, and place the flask in an oil bath ...
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