Flame-retardant antistatic two-component waterborne polyurethane coating and preparation method thereof
A water-based polyurethane, flame retardant and antistatic technology, which is applied in polyurea/polyurethane coatings, conductive coatings, fireproof coatings, etc., can solve the problems of unsatisfactory washing resistance, reduce the antistatic effect, increase the number of holes, Improve the effect of uneven dispersion
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Embodiment 1
[0020] A flame-retardant antistatic two-component water-based polyurethane coating, including A component and B component, the mass ratio of A component and B component is 9:1, and the A component is prepared from the following raw materials in parts by weight Components: methyl methacrylate 60, n-butyl acrylate 35, methacrylic acid 12, sodium lauryl sulfate 6, polythiophene antistatic liquid 13, composite conductive mica powder 3, ultrafine carbon black 5.5, emulsifier 6 , potassium persulfate 3, polysiloxane 7, nano calcium carbonate 11, water 55. The B component is water-based nitrocellulose 7, modified nano-alumina 2, and lauroyl glutamic acid 3.
[0021] The preparation method of the composite conductive mica powder is to mix and stir 500mL of absolute ethanol solution and 200g of conductive mica powder evenly, add lithium iron phosphate powder, cuprous oxide, titanate coupling agent, and control the temperature of the reaction system to 80°C , after the reaction, cool t...
Embodiment 2
[0025]A flame-retardant antistatic two-component water-based polyurethane coating, including A component and B component, the mass ratio of A component and B component is 8:1, and the A component is prepared from the following raw materials in parts by weight Components: 50 methyl methacrylate, 40 n-butyl acrylate, 10 methacrylic acid, 7 lauryl sodium sulfate, 10 polythiophene antistatic liquid, 4 composite conductive mica powder, 5 superfine carbon black, and 8 emulsifiers , potassium persulfate 2, polysiloxane 8, nano-calcium carbonate 10, water 60; the B component is aqueous nitrocellulose 6, modified nano-alumina 3, lauroyl glutamic acid 2.
[0026] The preparation method of the composite conductive mica powder is to mix and stir 500mL of absolute ethanol solution and 200g of conductive mica powder evenly, add lithium iron phosphate powder, cuprous oxide, titanate coupling agent, and control the temperature of the reaction system to 80°C After the reaction, the system was ...
Embodiment 3
[0030] A flame-retardant antistatic two-component water-based polyurethane coating, including A component and B component, the mass ratio of A component and B component is 10:1, and the A component is prepared from the following raw materials in parts by weight Components: 50 methyl methacrylate, 40 n-butyl acrylate, 10 methacrylic acid, 7 lauryl sodium sulfate, 10 polythiophene antistatic liquid, 4 composite conductive mica powder, 5 superfine carbon black, and 8 emulsifiers , potassium persulfate 2, polysiloxane 8, nano calcium carbonate 10, water 60; the B component is 6 aqueous nitrocellulose, modified nano alumina 3, surfactant 2.
[0031] The preparation method of the composite conductive mica powder is to mix and stir 500mL of absolute ethanol solution and 200g of conductive mica powder evenly, add lithium iron phosphate powder, cuprous oxide, titanate coupling agent, and control the temperature of the reaction system to 80°C After the reaction, the system was cooled, a...
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