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A kind of anti-rust, flame retardant and physical body integrated high adhesion pigment and filler and its preparation method

A technology of adhesion, color and physique, used in fire-resistant coatings, anti-corrosion coatings, coatings, etc., can solve the problems of performance to be improved, insufficient adhesion, single function of pigments and fillers, etc., to enhance market competitiveness and application range, improve The effect of anti-rust properties

Active Publication Date: 2021-10-22
ANHUI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that the existing technology cannot utilize steel slag and coal gangue on a large scale and with high added value, the filler pigments currently used contain a large amount of heavy metal oxides such as chromium, zinc, lead, etc. The problems of single function of filler, insufficient adhesion, high price and performance need to be improved

Method used

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  • A kind of anti-rust, flame retardant and physical body integrated high adhesion pigment and filler and its preparation method
  • A kind of anti-rust, flame retardant and physical body integrated high adhesion pigment and filler and its preparation method
  • A kind of anti-rust, flame retardant and physical body integrated high adhesion pigment and filler and its preparation method

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Taking the preparation of product 100g of the present invention as an example, the components used and their mass proportions are:

[0029]

[0030] The mass fraction of the hydrochloric acid solution is 15%; the steel slag fine powder is wind-quenched slag fine powder with a particle size of 25 μm to 45 μm; the graphene is analytically pure; the coal gangue superfine powder has a particle size of 0.5 μm ~2.5 μm.

[0031] Firstly, the hydrochloric acid solution and the fine steel slag powder were mixed at room temperature by using a constant temperature magnetic stirrer, the stirring speed was 900r / min, and the stirring time was 6h to obtain the porous steel slag fine powder.

[0032] Secondly, a constant temperature magnetic stirrer was used to mix graphene and coal gangue ultrafine powder under normal temperature conditions, the stirring speed was 750r / min, and the stirring time was 5h to obtain graphene-coal gangue mixed ultrafine powder.

[0033] Finally, a cons...

Embodiment 2

[0035]Taking the preparation of product 100g of the present invention as an example, the components used and their mass proportions are:

[0036]

[0037] The mass fraction of the hydrochloric acid solution is 20%; the steel slag micropowder is converter hot slag micropowder with a particle size of 25 μm to 45 μm; the graphene is analytically pure; the coal gangue superfine powder has a particle size of 0.5 μm~2.5μm.

[0038] Firstly, the hydrochloric acid solution and the fine steel slag powder were mixed at room temperature by using a constant temperature magnetic stirrer, the stirring speed was 800r / min, and the stirring time was 7h to obtain the porous steel slag fine powder.

[0039] Secondly, a constant temperature magnetic stirrer was used to mix graphene and coal gangue ultrafine powder under normal temperature conditions, the stirring speed was 500r / min, and the stirring time was 6h to obtain graphene-coal gangue mixed ultrafine powder.

[0040] Finally, a constan...

Embodiment 3

[0042] Taking the preparation of product 100g of the present invention as an example, the components used and their mass proportions are:

[0043]

[0044] The mass fraction of the hydrochloric acid solution is 18%; the steel slag fine powder is a mixture of electric furnace drum slag fine powder and electric furnace hot slag fine powder, and its particle size is 25 μm to 45 μm; the graphene is analytically pure; the coal gangue super The particle size of the fine powder is 0.5 μm to 2.5 μm.

[0045] Firstly, the hydrochloric acid solution and the fine steel slag powder were mixed at normal temperature by using a constant temperature magnetic stirrer, the stirring speed was 750r / min, and the stirring time was 8h to obtain the porous steel slag fine powder.

[0046] Secondly, a constant temperature magnetic stirrer was used to mix graphene and coal gangue ultrafine powder under normal temperature conditions, the stirring speed was 700r / min, and the stirring time was 4h to ob...

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Abstract

The invention discloses a high-adhesive pigment and filler integrated with anti-rust, flame-retardant and physical properties and a preparation method thereof, belonging to the field of solid waste resource utilization. The pigment and filler include hydrochloric acid solution, steel slag fine powder, graphene and coal gangue superfine powder. The steel slag fine powder is one of hot stuffy slag fine powder, wind quenching slag fine powder, molten iron desulfurization slag fine powder, casting residual slag fine powder, converter hot slag fine powder, converter drum slag fine powder, electric furnace hot slag fine powder, electric furnace drum slag fine powder or more. The invention not only reduces the production cost of the existing high-adhesion pigments and fillers by 30% to 50%, but also improves the anti-rust performance, flame-retardant performance and physical performance of the high-adhesion pigments and fillers, and realizes the anti-rust performance and flame-retardant performance The integration of high-adhesion pigments and fillers with physical properties has greatly enhanced the market competitiveness and application scope of high-adhesion pigments and fillers; expanded the high value-added applications of steel slag and coal gangue, and realized the new idea of ​​"using waste to increase efficiency" .

Description

technical field [0001] The invention belongs to the field of utilization of solid waste resources, and in particular relates to a high-adhesive pigment and filler integrated with anti-rust, flame-retardant and physical properties and a preparation method thereof, which can be used in the field of coatings. Background technique [0002] Steel slag is solid waste produced in the steelmaking process, accounting for about 15% to 20% of steelmaking output, and its main components are CaO, Fe 2 o 3 、Al 2 o 3 , SiO 2 , MgO, P 2 o 5 , MnO, SO 3 And a small amount of free calcium oxide, of which CaO (35.0% ~ 55.0%), Fe 2 o 3 (10.0%~35.0%), Al 2 o 3 (2.0%~12.0%) content is relatively high. Coal gangue is solid waste discharged during the coal mining process and coal washing process. It is a black-gray rock with low carbon content and harder than coal that is associated with the coal seam during the coal formation process. The main component is Al 2 o 3 , SiO 2 , Fe 2 o ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D7/61C09D5/18C09D5/08
CPCC09D5/084C09D5/18C09D7/61
Inventor 张浩龙红明吴胜华宗志芳叶雯静张梦莉高青
Owner ANHUI UNIVERSITY OF TECHNOLOGY