Waterborne inorganic paint and preparation method thereof
A technology for water-based inorganic coatings and inorganic zinc-rich coatings, which can be used in anti-corrosion coatings, alkali metal silicate coatings, etc., and can solve problems such as short coating life.
Inactive Publication Date: 2019-06-18
北京燃气用户服务有限公司
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Problems solved by technology
[0004] Coatings are one of the most economical methods for preventing and delaying steel corrosion. Coatings play an important role in metal corrosion protection. However, the existing coatings have the problem of short service life.
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preparation example Construction
[0036] In a second aspect, the embodiments of the present invention provide a method for preparing a water-based inorganic coating, which is characterized in that it includes the following steps:
[0037] Add the silica sol dropwise to the low modulus potassium silicate solution at a temperature of 30-70°C, and then add modifiers, coupling agents, leveling agents, toughening agents, defoamers, dispersants, pigments and fillers dropwise, Stir at high speed to obtain a transparent high-modulus potassium silicate solution, lower the temperature of the high-modulus potassium silicate solution to room temperature, and add silicon-acrylic emulsion dropwise to obtain the liquid phase;
[0038] Mix the liquid phase with zinc powder or aluminum powder to obtain the water-based inorganic paint.
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Abstract
The invention belongs to the technical field of corrosion resistance and discloses a waterborne inorganic paint and a preparation method thereof. The waterborne inorganic paint, as a waterborne inorganic zinc-rich paint comprises powder and a liquid phase; the powder incudes zinc powder or aluminum powder; the liquid phase comprises potassium silicate solution, silicon sol, a modifier, silicone acrylic emulsion, a silane coupling agent, zinc powder, aluminum powder, a leveling agent, a toughener, a defoaming agent, a dispersant, a pigment and a filler. The waterborne inorganic paint has the advantages of long life and low pollution.
Description
technical field [0001] The invention relates to the technical field of anticorrosion, in particular to a water-based inorganic coating and a preparation method. Background technique [0002] The description of the background technology of the present invention belongs to the relevant technology related to the present invention, and is only used to illustrate and facilitate the understanding of the content of the present invention, and should not be understood as the applicant's definite or presumed that the applicant believes that the present invention was filed for the first time. prior art as of the filing date. [0003] Metal corrosion is a very serious and common problem that people face. The annual economic loss caused by corrosion accounts for about 2% to 4% of the GDP of each country in the world, and more than 100 million tons of metals are scrapped due to corrosion. [0004] Coatings are one of the most economical methods for preventing and delaying steel corrosion...
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IPC IPC(8): C09D1/04C09D5/10C09D7/63C09D7/65C09D7/61
Inventor 武为民李清白冬军范春明王硙刘冀川
Owner 北京燃气用户服务有限公司