Water-based paint defoaming agent capable of being quickly emulsified and dispersed and application of water-based paint defoaming agent
A water-based coating, emulsifying and dispersing technology, applied in the coating and other directions, can solve the problems of low surface tension, suspension, turbidity of defoamer, etc., and achieve the effect of increasing the time of foam suppression and rapid elimination.
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Embodiment 1
[0026] Embodiment one: the described composition is composed of the following parts by weight:
[0027]
[0028]
[0029] Wherein, the preparation steps of the water-based paint defoamer are as follows:
[0030] Step 1: First prepare the following raw materials: 150 parts of mineral oil, 30 parts of vegetable oil, 10 parts of hydrophobic silica particles, 50 parts of N-stearyl ethylenediamine, 15 parts of sorbic acid, 8 parts of silicone oil, and 10 parts of silicone resin , 5 parts of stearate, 300 parts of deionized water and 3 parts of dispersant;
[0031] Step 2: first put 150 parts of mineral oil and 30 parts of vegetable oil into the reaction vessel, stir and raise the temperature to 100 degrees Celsius, and add 10 parts of hydrophobic silica particles through the feed port of the reaction vessel to obtain a mixed dispersion Liquid A;
[0032] Step 3: Mix and heat 50 parts of N-stearyl ethylenediamine, 3 parts of dispersant and 5 parts of stearic acid ester, heat...
Embodiment 2
[0036] Embodiment two: the described composition is composed of the following parts by weight:
[0037]
[0038] Wherein, the preparation steps of the water-based paint defoamer are as follows:
[0039] Step 1: First prepare the following raw materials: 100 parts of mineral oil, 20 parts of vegetable oil, 5 parts of hydrophobic silica particles, 30 parts of N-stearyl ethylenediamine, 10 parts of sorbic acid, 3 parts of silicone oil, and 5 parts of silicone resin , 2 parts of stearate, 200 parts of deionized water and 1 part of dispersant;
[0040] Step 2: first put 100 parts of mineral oil and 20 parts of vegetable oil into the reaction vessel, stir and raise the temperature to 100 degrees Celsius, and add 5 parts of hydrophobic silica particles through the feed port of the reaction vessel to obtain a mixed dispersion Liquid A;
[0041] Step 3: Mix and heat 30 parts of N-stearyl ethylenediamine, 1 part of dispersant and 2 parts of stearic acid ester, heat to 100-120 degre...
Embodiment 3
[0045] Embodiment three: the described composition is composed of the following parts by weight:
[0046]
[0047] Wherein, the preparation steps of the water-based paint defoamer are as follows:
[0048] Step 1: First prepare the following raw materials: 120 parts of mineral oil, 25 parts of vegetable oil, 7 parts of hydrophobic silica particles, 40 parts of N-stearyl ethylenediamine, 12 parts of sorbic acid, 6 parts of silicone oil, and 7 parts of silicone resin , 3 parts of stearate, 260 parts of deionized water and 2 parts of dispersant;
[0049] Step 2: first put 120 parts of mineral oil and 25 parts of vegetable oil into the reaction container, stir and raise the temperature to 100 degrees Celsius, and add 7 parts of hydrophobic silica particles through the feed port of the reaction container to obtain a mixed dispersion Liquid A;
[0050] Step 3: Mix and heat 40 parts of N-stearyl ethylenediamine, 2 parts of dispersant and 3 parts of stearic acid ester, heat to 100...
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Abstract
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