Semi-transparent bubinga color raw umber flavor-clearing type polyurethane wood paint and preparation method
A kind of clean-smelling and translucent technology of Amba, applied in the direction of polyurea/polyurethane coatings, coatings, pigment pastes, etc., can solve the problems of difficult disappearance of fingerprints, poor migration resistance, excessive heavy metals, etc., and improve scratch resistance. , Good anti-slip feel and low toxicity
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Embodiment 1
[0024] According to the formula weight ratio, add 22.5 parts of mixed solvent into the dispersion tank, add 50 parts of 70% solid-containing alkyd resin, add 7 parts of TEGO-610S color paste dispersant and stir evenly, slowly add 20 parts of translucent pear color raw Amba 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 particle size reaches the requirement of ≤5μ, it is transferred to the paint mixing tank for defoaming and viscosity adjustment, and is filtered and packaged to obtain the pear color paste.
Embodiment 2
[0026] According to the formula weight ratio, add 19.0 parts of mixed solvent into the dispersion tank, add 60 parts of 70% solid-containing alkyd resin, stir evenly, add 3 parts of matting powder, 0.3 parts of dispersant, disperse at high speed for 30-40 minutes, and disperse at low speed Add 16 parts of pear 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 pear-colored raw amba net 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, it is filtered and packaged to obtain a translucent pear-colored raw amba-clean odor type polyurethane wood paint. B component.
[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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