Environmentally friendly water-based flashing metallic automotive refinish paint and preparation method thereof
An automotive refinishing, water-based technology, applied in coatings, polyester coatings, etc., can solve problems such as thickening and unstable storage, and achieve the effects of low VOC emissions, high flicker, and no bad coating defects.
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Embodiment 1
[0029] (1) Weigh 68g of deionized water, 14g of ethylene glycol butyl ether, 6g of n-butanol, 2.3g of BYK192.3g, 0.7g of N-N dimethylethanolamine, and 10.8g of bentonite AERO SIL R977 into the reaction kettle, and put them under the mixer at 1200rpm Stir for 25 minutes until uniform to obtain intermediate 2;
[0030] (2) Weigh 2.1g of diethylene glycol ether, 2.5g of FX1010 and mix and stir to form a mixture 1. While stirring, add the above-mentioned mixture 1, 62g of deionized water, and 6.4g of N-N dimethylethanolamine into the reaction kettle to form Mixture 2, then slowly add this mixture 2 into a reaction kettle filled with 126g of water-based polyester resin to form mixture 3, then weigh 10.8g of intermediate 2 and 0.23g of defoamer and put them into mixture 3 in turn according to the dosage of the formula In the middle, use a high-speed disperser to stir and disperse for 45 minutes at 1200 rpm to form intermediate one.
[0031] (3) Weigh 3.4g of diethylene glycol ether...
Embodiment 2
[0040] (1) Weigh 64g of deionized water, 18g of ethylene glycol butyl ether, 7g of n-butanol, 2.1g of BYK192.1g, 0.8g of N-N dimethylethanolamine, and 10.2g of bentonite AERO SIL R9771 into the reaction kettle, and put them under the mixer at 1200rpm Stir for 30 minutes until uniform to obtain intermediate 2;
[0041] (2) Weigh 2.2g of diethylene glycol ether, 2.3g of FX1010 and mix and stir to form a mixture 1. While stirring, add the above-mentioned mixture 1, 58g of deionized water, and 6.2g of N-N dimethylethanolamine into the reaction kettle to form Mixture 2, then slowly add this mixture 2 into a reaction kettle filled with 121g of water-based polyester resin to form mixture 3, then weigh 10.2g of intermediate 2 and 0.25g of defoamer and put them into mixture 3 in turn according to the dosage of the formula In the middle, use a high-speed disperser to stir and disperse for 40 minutes at 1200 rpm to form intermediate one.
[0042] (3) Weigh 3.2g of diethylene glycol ethe...
Embodiment 3
[0047] (1) Weigh 60g of deionized water, 17g of ethylene glycol butyl ether, 4.5g of n-butanol, 1.88g of BYK1921.88g, 0.96g of N-N dimethylethanolamine, and 9.75g of bentonite AERO SIL R9775g into the reaction kettle, and stir it at 1200rpm Stir for 28 minutes until uniform, to obtain Intermediate 2;
[0048] (2) Weigh 1.9g of diethylene glycol ether and 1.86g of FX10101.86g and mix and stir to form a mixture 1. While stirring, add the above-mentioned mixture 1, 61g of deionized water, and 5.8g of N-N dimethylethanolamine into the reaction kettle to form Mixture 2, then slowly add this mixture 2 into a reaction kettle filled with 114g of water-based polyester resin to form mixture 3, then weigh 9.8g of intermediate 2 and 0.21g of defoamer and put them into mixture 3 in turn according to the dosage of the formula In the middle, use a high-speed disperser to stir and disperse at 1200rpm for 50min to form intermediate one.
[0049] (3) Weigh 3.0g of diethylene glycol ether, 9.6g...
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