Black-edge-covering bright white paint
A bright light and coating technology, applied in polyurea/polyurethane coatings, coatings, etc., can solve problems such as coating sag, and achieve the effects of excellent adhesion, strong sag resistance, and good hiding power
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[0022] The preparation method of the first component of the embodiment of the present invention is as follows:
[0023] Step 1: Mix synthetic fatty acid resin, vegetable oleic acid resin, acrylic resin and dispersant, disperse at medium speed for 10-15 minutes until fully uniform, and the viscosity is 5000±500CPS / 25℃;
[0024] Step 2: add silica and pigment to the mixed solution obtained in step 1 and disperse uniformly;
[0025] Step 3: add a leveling agent and 0.8 to 1 part by weight of a defoaming agent to the mixed solution obtained in step 2 and disperse evenly;
[0026] Step 4: Add the remaining defoamer to the mixed solution obtained in Step 3 and disperse it evenly until the fineness is ≤20um, and the viscosity is controlled at 5000±500CPS / 25℃.
Example Embodiment
[0027] Example 1
[0028] In the embodiment of the present invention, component A is composed of the following raw materials by weight: 34 to 48 parts by weight of synthetic fatty acid resin, 10 parts by weight of vegetable oleic acid resin, 5 parts by weight of acrylic resin, 0.5 part by weight of silicon dioxide, 37 parts by weight of pigment, and 37 parts by weight of pigment. 0.2 part by weight of the agent, 0.5 part by weight of the leveling agent, and 1.8 part by weight of the defoaming agent, wherein the leveling agent is composed of 0.1 part by weight of EFKA3600, 0.3 part by weight of EFKA-3777, and 0.1 part by weight of TEGO 450.
[0029] In the embodiment of the present invention, component B is composed of the following raw materials by weight: 30 parts by weight of butyl acetate, 15 parts by weight of TDI trimer, 30 parts by weight of TDI-TMP adduct, and 250 parts by weight of HDI trimer.
[0030] In the embodiment of the present invention, component C is composed...
Example Embodiment
[0032] Example 2
[0033] In the embodiment of the present invention, component A is composed of the following raw materials by weight: 48 parts by weight of synthetic fatty acid resin, 20 parts by weight of vegetable oleic acid resin, 8 parts by weight of acrylic resin, 0.8 parts by weight of silicon dioxide, 40 parts by weight of pigment, and 0.3 parts by weight of dispersant. Parts by weight, 0.9 parts by weight of a leveling agent, and 3 parts by weight of a defoaming agent, wherein the leveling agent is composed of 0.2 parts by weight of EFKA3600, 0.5 parts by weight of EFKA-3777, and 0.2 parts by weight of TEGO 450.
[0034] In the embodiment of the present invention, component B is composed of the following raw materials by weight: 40 parts by weight of butyl acetate, 20 parts by weight of TDI trimer, 35 parts by weight of TDI-TMP adduct, and 30 parts by weight of HDI trimer.
[0035] In the embodiment of the present invention, component C is composed of the following r...
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