A kind of anticorrosion coating and preparation method based on graphene hybrid material
An anti-corrosion coating and graphene technology, applied in anti-corrosion coatings, conductive coatings, polyurea/polyurethane coatings, etc., can solve the problems of general anti-corrosion effect and large pollution of anti-corrosion coatings, and achieve excellent environmental performance, not easy to deposit, and save production costs. Effect
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Embodiment 1
[0022] Proportioning each component according to the following mass percentages:
[0023]
[0024] (1) Prepare a graphene dispersion containing aniline and sulfuric acid, wherein the concentration of aniline is 0.3mol / L, the concentration of sulfuric acid is 0.4mol / L, and the concentration of graphene is 10mg / mL, and pre-cooled to 0°C after stirring;
[0025] (2) Prepare an aqueous solution of ammonium persulfate containing sulfuric acid, and pre-cool to 0°C, wherein the concentration of ammonium persulfate is 0.3mol / L, and the concentration of sulfuric acid is 0.4mol / L;
[0026] (3) Fully disperse attapulgite in deionized water to prepare a slurry with a mass concentration of 3g / 100mL, add the dispersion obtained in step (1) to the slurry, stir evenly, and then Next, add the aqueous solution of ammonium persulfate obtained in step (2), react at 0°C for 4h, filter, wash, dry and grind to 150 mesh to obtain a graphene / polyaniline / attapulgite composite material,
[0027] Whe...
Embodiment 2
[0032] Proportioning each component according to the following mass percentages:
[0033]
[0034] (1) Prepare a graphene dispersion containing aniline and sulfuric acid, wherein the concentration of aniline is 0.35mol / L, the concentration of sulfuric acid is 0.45mol / L, and the concentration of graphene is 20mg / mL, and pre-cooled to 0°C after stirring;
[0035] (2) Prepare an aqueous solution of ammonium persulfate containing sulfuric acid, and pre-cool to 0°C, wherein the concentration of ammonium persulfate is 0.35mol / L, and the concentration of sulfuric acid is 0.45mol / L;
[0036] (3) Fully disperse attapulgite in deionized water to prepare a slurry with a mass concentration of 3.5g / 100mL, add the dispersion obtained in step (1) to the slurry, stir evenly, and then stir state, add the ammonium persulfate aqueous solution obtained in step (2), react at 0 ° C for 4h, filter, wash, dry and grind to 200 mesh, and obtain a graphene / polyaniline / attapulgite composite material, ...
Embodiment 3
[0040] Proportioning each component according to the following mass percentages:
[0041]
[0042]
[0043] (1) Prepare a graphene dispersion containing aniline and sulfuric acid, wherein the concentration of aniline is 0.4mol / L, the concentration of sulfuric acid is 0.5mol / L, and the concentration of graphene is 30mg / mL, and pre-cooled to 1°C after stirring;
[0044] (2) Prepare an aqueous solution of ammonium persulfate containing sulfuric acid, and pre-cool to 1° C., wherein the concentration of ammonium persulfate is 0.4 mol / L, and the concentration of sulfuric acid is 0.5 mol / L;
[0045] (3) Fully disperse attapulgite in deionized water to prepare a slurry with a mass concentration of 4g / 100mL, add the dispersion obtained in step (1) to the slurry, stir evenly, and then Next, add the aqueous solution of ammonium persulfate obtained in step (2), react at 1°C for 4h, filter, wash, dry and grind to 250 mesh to obtain a graphene / polyaniline / attapulgite composite materia...
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