Semi-transparent brown raw sienna flavor-clearing type polyurethane wood paint and preparation method
A translucent and polyurethane technology, applied in polyurea/polyurethane coatings, coatings, pigment pastes, etc., can solve problems such as fingerprints are not easy to disappear, poor migration resistance, furniture has peculiar smell, etc., to improve scratch resistance and skid resistance Good hand feeling, not easy to sag
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Embodiment 1
[0024] According to the formula weight ratio, add 21.5 parts of mixed solvent into the dispersing tank, add 50 parts of 70% solid alkyd resin, add 8 parts of TEGO-610S color paste dispersant and stir evenly, slowly add 20 parts of translucent brown raw sodium Powder, 0.2 part of defoamer, 0.3 part of anti-sedimentation agent, and then disperse at a high speed of 1000-1200r / min for 45-60 minutes, and then go to the horizontal sand mill to grind 5-8 times until the fineness of the color paste When the diameter reaches the requirement of ≤5μ, it is transferred to the paint mixing bucket for defoaming and viscosity adjustment, and is filtered and packaged to obtain brown raw sodium color paste.
Embodiment 2
[0026] According to the formula weight ratio, add 20 parts of mixed solvent into the dispersion tank, add 60 parts of 70% solid-containing alkyd resin, stir evenly, add 2 parts of matting powder, 0.3 parts of dispersant, disperse at high speed for 30-40 minutes, and at low speed Add 16 parts of brown color paste, 0.3 parts of titanate-modified silicone chelating leveling agent, 0.2 parts of fluorine-modified acrylic leveling agent, 0.2 parts of modified silicone defoamer, and 1 part of anti-settling agent under stirring , stirred and passed the test, filtered and packaged to obtain the first component of translucent brown raw and clean odor type polyurethane wood lacquer.
Embodiment 3
[0028] Add 40 parts of TDI / TMP adduct, 30 parts of HDI trimer, and 30 parts of mixed solvent into the dispersion tank and stir evenly. After passing the test, filter and pack to obtain a translucent brown raw and clean odor polyurethane wood lacquer group B point.
[0029] Mix the paint according to the ratio of component A: component B = 1:0.5, and add thinner to adjust the viscosity to spray or brush.
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