Normal temperature cured super weather-resistant and wear-resistant high-hardness water-based inorganic nanoceramic coating and preparation method thereof

An inorganic nano, ceramic coating technology, applied in the direction of coating, can solve the problems of insufficient wear resistance, complex production process, long dry time, etc., and achieve ultra-long weather resistance, excellent wear resistance, and enhanced polymerization inhibition effect. Effect

Active Publication Date: 2019-01-25
CHANGSHA HUANGMEI PAINT
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The coating has defects such as complex production process, low hardness of the paint film, insufficient wear r

Method used

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  • Normal temperature cured super weather-resistant and wear-resistant high-hardness water-based inorganic nanoceramic coating and preparation method thereof
  • Normal temperature cured super weather-resistant and wear-resistant high-hardness water-based inorganic nanoceramic coating and preparation method thereof
  • Normal temperature cured super weather-resistant and wear-resistant high-hardness water-based inorganic nanoceramic coating and preparation method thereof

Examples

Experimental program
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Example Embodiment

[0048] Examples 1~6

[0049] For the convenience of presentation, the following five tables are used to express the proportions and product properties of the six embodiments, which are the raw material components and quality of the normal temperature curing ultra-weather-resistant high-hard wear-resistant water-based inorganic nano-ceramic coatings of 1 to 6 examples. Percentage table; composition and mass percentage table of water-based inorganic nano-ceramic coatings; composition and weight ratio table of water-based organic silicon dispersion; composition and weight ratio table of water-based inorganic nano-ceramic emulsion; room temperature curing super weather resistance and high hardness Product performance index table of wear-resistant water-based inorganic nano ceramic coatings.

[0050] Table 1: The raw material components and mass percentages of super weather-resistant, high-hard and wear-resistant inorganic nano-ceramic coatings cured at room temperature are:

[0051]

[...

Example Embodiment

[0061] Example 7: A normal temperature curing super weather-resistant, high-hard and wear-resistant water-based inorganic nano-ceramic coating, and its preparation method is as follows:

[0062] The first step: Mix one or several silanes of Examples 1 to 6 in Table 4, after the mixing is uniform, add the surfactant and stir evenly, and then add the above-mentioned silane mixture dropwise to the pre-weighed silica sol In, the titration time is 30 minutes, and then the temperature is started to rise, the reaction temperature is kept between 35-70°C, the constant temperature reaction is 0.5 to 5 hours, a metered amount of water is added, the heating is stopped, the temperature is cooled down, and the aqueous inorganic nano-ceramic emulsion is obtained;

[0063] Step 2: Mix the water-based inorganic nano-ceramic emulsion obtained in the first step with the pigments and fillers in Table 2, and use a high-speed disperser for high-speed dispersion. The dispersion time is 10-30 minutes, and...

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Abstract

The invention relates to a normal temperature cured super weather-resistant and wear-resistant high-hardness water-based inorganic nanoceramic coating and a preparation method thereof. The inorganic nanoceramic coating comprises a water-based inorganic nanoceramic coating, water-based organosilicon dispersion liquid and water, wherein the water-based inorganic nanoceramic coating comprises the following raw materials: a water-based inorganic nanoceramic emulsion, a pigment, a filler, a wetting dispersing agent, a non-stick leveling agent, a thickening agent and water; the water-based inorganicnanoceramic emulsion comprises silica sol, silane, a surfactant and water; and the water-based organosilicon dispersion liquid comprise amino silane, a surfactant and water. The preparation method comprises a step of uniformly mixing the water-based inorganic nanoceramic coating and the water-based organosilicon dispersion liquid in weight ratio of (1-4):1, thereby obtaining the normal temperature cured super weather-resistant and wear-resistant high-hardness water-based inorganic nanoceramic coating. The coating product provided by the invention can be diluted with any water and stored stably for 1 year or longer, and has the characteristics of high hardness, high wear resistance, high weather resistance, normal temperature curing and the like.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a room-temperature curing ultra-weather-resistant, high-hardness, wear-resistant water-based inorganic nano-ceramic coating and a preparation method thereof. Background technique [0002] my country's coatings industry has a long history, and its production and consumption are in the leading position in the world. It has broad development prospects and is gradually becoming a new growth point of the national economy. Since the 1990s, some units and enterprises engaged in the production and research of coatings in my country have begun to focus on the use of sol-gel technology to develop inorganic / organic composite coatings, nano-superconducting powder materials, high-temperature corrosion-resistant coatings, etc., inorganic water-based nano-ceramics Coatings are also one of them. The sol-gel method of ceramic coatings includes two stages: 1. Sol stage (hydrolysis, aging): each c...

Claims

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Application Information

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IPC IPC(8): C09D1/00C09D183/08C09D7/61
CPCC08G77/26C09D1/00C09D7/61C09D7/70C09D183/08C08K7/08C08K3/24
Inventor 宋海兵
Owner CHANGSHA HUANGMEI PAINT
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