Seal primer capable of sealing organic acid and pigment of timbers and preparation method of seal primer capable of sealing organic acid and pigment of timbers
A sealing primer and organic acid technology, applied in anti-corrosion coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of poor performance of sealing organic acids and pigments, affecting the use effect, poor transparency of paint films, etc., to achieve excellent The effect of brightness, strong adhesion, and high anti-corrosion performance
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Embodiment 1
[0024] A kind of sealing primer that can seal wood organic acids and pigments is composed of the following raw materials in terms of mass percentage: 80% water-based polyurethane emulsion; 7% film-forming aid, 0.8% defoamer, 0.2% fluid Leveling agent, 0.3% substrate wetting agent, 2.2% anti-tannic acid additive, 9% deionized water, 0.5% thickener.
Embodiment 2
[0026] A kind of sealing primer that can seal wood organic acids and pigments is composed of the following raw materials in terms of mass percentage: 85% water-based polyurethane emulsion; 5% film-forming aid, 0.4% defoamer, 0.1% fluid Leveling agent, 0.2% substrate wetting agent, 1.2% anti-tannic acid additive, 8% deionized water, 0.1% thickener.
Embodiment 3
[0028] A sealing primer that can seal wood organic acids and pigments is composed of the following raw materials in terms of mass percentage: 83% water-based polyurethane emulsion; 6% film-forming aid, 0.5% defoamer, and 0.1% fluid Leveling agent, 0.3% substrate wetting agent, 1.4% anti-tannin additive, 8.4% deionized water, 0.3% thickener.
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