A kind of hydrophilic easy-to-clean coating and preparation method thereof
A hydrophilic, easy-to-clean technology, applied in anti-corrosion coatings, coatings, etc., can solve problems such as damage, affecting product appearance, and irreparable problems, and achieve good acid and alkali resistance and avoid scratches.
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Embodiment 1
[0084] A hydrophilic and easy-to-clean paint. The components of the paint are calculated by mass percentage: 31% silica sol, 25% aluminum sol, 11% titanium sol, 6% lithium silicate aqueous solution, and hydrophilic gas phase two Silicon oxide is 6%, auxiliary agent is 1%, and solvent is 20%. The solvent includes two parts, namely: deionized water in step 1) and isopropanol in step 2).
[0085] The specific parameters of silica sol are: average particle size 8nm, SiO 2 The mass percentage is 20%, the viscosity is 20 Pa.S, the solvent is water, and the pH is 10.
[0086] The specific parameters of aluminum sol are: average particle size 10nm, Al 2 O 3 The mass percentage is 20%, the viscosity is 20 Pa.S, the solvent is water, and the pH is 4.5.
[0087] The preferred specific parameters of the titanium sol are: the average particle size is 15nm, TiO 2 The mass percentage is 20%, the viscosity is 20 Pa.S, the solvent is water, and the pH is 6.5.
[0088] The specific parameters of the l...
Embodiment 2
[0097] The preparation of a hydrophilic and easy-to-clean paint. The components of the paint are calculated by mass percentage: silica sol is 25%, aluminum sol is 30%, titanium sol is 25%, potassium silicate aqueous solution is 5%, and hydrophilic Fumed silica is 4%, additives are 0.7%, and solvents are 10.3%. The solvent includes two parts, namely: the deionized water added in step 1) and the dipropylene glycol dimethyl ether added in step 2).
[0098] The specific parameters of silica sol are: average particle size 20nm, SiO 2 The mass percentage is 35%, the viscosity is 30 Pa.S, the solvent is water, and the pH is 9.
[0099] The specific parameters of aluminum sol are: average particle size 25nm, Al 2 O 3 The mass percentage is 30%, the viscosity is 30 Pa.S, the solvent is water, and the pH is 4.
[0100] The preferred specific parameters of the titanium sol are: the average particle size is 15nm, TiO 2 The mass percentage is 30%, the viscosity is 30 Pa.S, the solvent is water, ...
Embodiment 3
[0110] Preparation of a hydrophilic and easy-to-clean paint. The components of the paint are calculated by mass percentage: 35% for silica sol, 15% for aluminum sol, 20% for titanium sol, 9% for aqueous sodium silicate solution, and hydrophilic Fumed silica is 5%, additives are 1%, and solvents are 15%. The solvent in this formula includes two parts, namely: deionized water in step 1) and ethanol in step 2).
[0111] The specific parameters of silica sol are: average particle size 12nm, SiO 2 The mass percentage is 30%, the viscosity is 25Pa.S, the solvent is water, and the pH is 11.
[0112] The specific parameters of aluminum sol are: average particle size 15nm, Al 2 O 3 The mass percentage is 25%, the viscosity is 25 Pa.S, the solvent is water, and the pH is 6.
[0113] The preferred specific parameters of the titanium sol are: the average particle size is 10nm, TiO 2 The mass percentage is 25%, the viscosity is 25 Pa.S, the solvent is water, and the pH is 7.
[0114] The specific...
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