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Preparation method of high-modulus potassium silicate inorganic nano-resin

A technology of inorganic nanometer and potassium silicate, which is applied in alkali metal silicate coatings, anti-corrosion coatings, coatings, etc., can solve the problems of poor storage stability, long reaction time, and poor quality, so as to improve quality and reduce by-products , the effect of easy operation

Active Publication Date: 2013-12-04
WUDA JUCHENG STRUCTURE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to overcome the problems of poor product quality, long reaction time, high energy consumption and poor storage stability existing in the prior art, and provide a product with good quality and long reaction time. Preparation method of high modulus potassium silicate inorganic nano-resin with short length, low energy consumption and good storage stability

Method used

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  • Preparation method of high-modulus potassium silicate inorganic nano-resin

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preparation example Construction

[0029] The preparation process of the high-modulus potassium silicate inorganic nano-resin is to firstly add the prefabricated mixture into the high-gravity rotating packed bed 3, and then circulate the reaction to prepare the high-modulus potassium silicate inorganic nano-resin.

[0030] The preparation process of the high-modulus potassium silicate inorganic nano-resin is as follows: firstly, the prefabricated mixture is heated to 40-80°C, and then at this temperature, the heated prefabricated mixture flows out from the mixer 1, and is sequentially passed through Circulating pump 2, high-gravity rotating packed bed 3, then return to mixer 1 to complete a cyclic reaction cycle, and then enter the next cyclic reaction cycle, which is repeated in sequence until the cyclic reaction ends, and finally high modulus silicon is obtained in mixer 1 Potassium acid inorganic nano resin.

[0031] The rotation speed of the high-gravity rotating packed bed 3 is 1500-3000 rpm, and the cycle...

Embodiment 1

[0050] see figure 1 , a preparation method of high modulus potassium silicate inorganic nano-resin, the preparation method comprises the following processes in sequence:

[0051] Mixing process of raw materials: at room temperature, first add a low modulus potassium silicate aqueous solution with a modulus of 3.3 and a solid content of 32.6% to the mixer 1, and control the stirring speed at 400-600rpm to form a vortex, and then add in turn Ionized water, silica sol with a solid content of 38%, ethoxylated water-based silicone resin, and finally methyltrimethoxysilane is added dropwise, and the prefabricated mixture is obtained after mixing evenly, among which, low modulus potassium silicate aqueous solution, deionized water , the mass ratio of silica sol, ethoxylated water-based silicone resin, and methyltrimethoxysilane is 100:25:35:1:5, and the time for adding the coupling agent is 10 to 30 minutes;

[0052] The preparation process of high-modulus potassium silicate inorgan...

Embodiment 2

[0055] The steps are the same as in Example 1, except that the mass ratio of low modulus potassium silicate solution, deionized water, silica sol, ethoxylated water-based silicone resin, and methyltrimethoxysilane is 100:30:43.1:3 : 3.49, the cycle reaction time is 7min.

[0056] The prepared high-modulus potassium silicate inorganic nano-resin has a modulus of 5.6, a yield of 98.5%, a solid content of 26.6%, a particle size of 5-10 nm, a density of 1.19, and a storage time of 2 years.

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Abstract

A preparation method of high-modulus potassium silicate inorganic nano-resin includes: a step of mixing raw materials and a step of preparing high-modulus potassium silicate inorganic nano-resin. The step of mixing raw materials includes: adding low-modulus potassium silicate solution into a mixer first, mixing to form vortexes, adding water, silica sol, stabilizer and coupling sequentially, and mixing well to obtain premix. The step of producing the high-modulus potassium silicate inorganic nano-resin includes: heating the premix to 40-80 DEG C, and allowing the heated premix to engage in circular reaction in a reaction system of a mixer, a circulating pump and a supergravity rotary packed bed to obtain the high-modulus potassium silicate inorganic nano-resin. The nano-resin is 5.3-6.2 in modulus, 26-30% in solid content, 5-20nm in particle size, and 98.5-99% in yield. The preparation method has the advantages that product quality and storage stability are improved, reaction time is shortened and energy consumption is reduced.

Description

technical field [0001] The present invention relates to a preparation method of nano-inorganic resin, in particular to a preparation method of high-modulus potassium silicate inorganic nano-resin, which is particularly suitable for improving product quality, shortening reaction time, reducing energy consumption, ensuring a higher modulus of the product, Improve storage stability. Background technique [0002] Corrosion of steel structures pervades all areas of the national economy and has brought huge losses to society. One of the most effective and commonly used methods for steel structure anti-corrosion is to coat the surface of the steel structure with an anti-corrosion coating to isolate the corrosive medium from the steel structure matrix. [0003] The water-based potassium silicate self-curing zinc-rich coating is composed of a high modulus potassium silicate aqueous solution with a modulus ≥ 5.1, zinc powder and additives, because the high modulus potassium silicate ...

Claims

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Application Information

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IPC IPC(8): C09D1/04C09D7/12C09D5/08
Inventor 刘巧云李北星万雄卫柯于赣
Owner WUDA JUCHENG STRUCTURE CO LTD
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