Outdoor waterborne woodenware penetration paint and preparation method thereof
A water-based wood paint and outdoor technology, applied in the direction of coating, polyurea/polyurethane coating, etc., can solve the problems of not being able to effectively prevent wood cracking and deformation, achieve wide application range, good weather resistance, and reduce shear damage Effect
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[0035] Example 1
[0036] A penetrating outdoor water-based wood paint, which is prepared in parts by weight according to the following formula:
[0037]
[0038] In the above embodiment:
[0039] The low particle size acrylic emulsion in the formulation is a low particle size pure acrylic emulsion with a particle size of <60nm. The emulsion is a core-shell type self-crosslinking acrylic emulsion, preferably DSM AQ-2538.
[0040] The above products are all commercially available products.
[0041] The above-mentioned penetrating outdoor wood paint preparation steps are as follows:
[0042] (1) Start the disperser and adjust the rotation speed to 400-500 revolutions per minute. At this speed, first add 72 parts of the aqueous emulsion low particle size pure acrylic emulsion, and add 4 parts of the film forming aid to 5-10 parts of water. Slowly add to the above aqueous emulsion and stir for 10-20min;
[0043] (2) Add 0.3 part of water-based leveling agent, 0.1 part of defoamer, 0.3 part o...
Example Embodiment
[0046] Example 2
[0047] The low particle size pure acrylic emulsion with a particle size of <60nm in the formulation of Example 1 was replaced with a low particle size styrene-acrylic emulsion with a particle size of <60nm, a core-shell structure styrene-acrylic emulsion. The content of other substances is the same as formula 1, and the production steps are the same as formula 1.
[0048] The low particle size styrene-acrylic emulsion in the above formula is preferably Mitsui Chemicals 1092.
Example Embodiment
[0049] Example 3
[0050] The low particle size pure acrylic emulsion with a particle size of <60nm in the formulation of Example 1 was replaced with a low particle size aliphatic polyurethane emulsion with a particle size of <60nm. The content of other substances is the same as formula 1, and the production steps are the same as formula 1.
[0051] The low particle size aliphatic polyurethane emulsion in the above formulation is preferably Lubrizol 2026C.
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