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A kind of ecological photocatalytic fireproof coating for air purification and preparation method thereof

A technology of air purification and fireproof coatings, applied in fireproof coatings, coatings, etc., can solve problems such as high cost, single function of coating fillers, and complicated processes, so as to achieve the effect of reducing production costs and improving market competitiveness

Active Publication Date: 2020-12-22
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 of using metal elements and rare earth elements on TiO 2 There are problems of high cost and complex process for modification, and the shortcoming of single function of paint filler. The present invention utilizes steel slag to treat TiO 2 Modification is used as photocatalytic pigment, red mud powder is used as flame retardant filler to prepare ecological coating, and the stirring speed, stirring time, stirring temperature, heating rate, calcination temperature, etc. are controlled, in order to realize the high value-added cycle of metallurgical solid waste Utilize to obtain multifunctional coatings with photocatalytic performance and fireproof performance

Method used

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  • A kind of ecological photocatalytic fireproof coating for air purification and preparation method thereof
  • A kind of ecological photocatalytic fireproof coating for air purification and preparation method thereof
  • A kind of ecological photocatalytic fireproof coating for air purification and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Taking the preparation of product 100g of the present invention as an example, the components used and their mass proportions are:

[0026]

[0027] The base material is aluminum dihydrogen phosphate; the catalyst is ammonium polyphosphate; the char-forming agent is dipentaerythritol; the foaming agent is melamine; the flame-retardant filler is Bayer red mud powder; The photocatalytic pigment is steel slag modified TiO 2 The inorganic solvent is water; the dispersant is sodium hexametaphosphate; the drying agent is manganese dioxide; the drying aid is zinc powder; the nano mother liquor is nano SiO 2 mother liquor.

[0028] Firstly, according to the volume ratio of tetrabutyl titanate and absolute ethanol in a ratio of 1:3, stir with a constant temperature magnetic stirrer at 600r / min for 40min to obtain a uniform transparent solution, and then dissolve the dilute hydrochloric acid solution with steel slag fine powder at 1000r Slowly add the above solution under th...

Embodiment 2

[0032] Taking the preparation of product 100g of the present invention as an example, the components used and their mass proportions are:

[0033]

[0034]

[0035] The base material is aluminum dihydrogen phosphate; the catalyst is ammonium polyphosphate; the char-forming agent is dipentaerythritol; the foaming agent is melamine; The catalytic pigment is steel slag modified TiO 2 The inorganic solvent is water; the dispersant is sodium hexametaphosphate; the drying agent is manganese dioxide; the drying aid is zinc powder; the nano mother liquor is nano SiO 2 mother liquor.

[0036] Firstly, according to the volume ratio of tetrabutyl titanate and absolute ethanol in a ratio of 1:3, stir with a constant temperature magnetic stirrer at 700r / min for 30min to obtain a uniform transparent solution, and then dissolve the dilute hydrochloric acid solution with steel slag fine powder at 800r Slowly add the above solution under the condition of 1000r / min and stir for 55min un...

Embodiment 3

[0040] Taking the preparation of product 100g of the present invention as an example, the components used and their mass proportions are:

[0041]

[0042]

[0043] The base material is aluminum dihydrogen phosphate; the catalyst is ammonium polyphosphate; the char-forming agent is dipentaerythritol; the foaming agent is melamine; The photocatalytic pigment is steel slag modified TiO 2 The inorganic solvent is water; the dispersant is sodium hexametaphosphate; the drying agent is manganese dioxide; the drying aid is zinc powder; the nano mother liquor is nano SiO 2 mother liquor.

[0044] Firstly, according to the volume ratio of tetrabutyl titanate and absolute ethanol in a ratio of 1:3, stir with a constant temperature magnetic stirrer at 800r / min for 45min to obtain a uniform transparent solution, and then dilute hydrochloric acid solution with steel slag powder dissolved at 900r Slowly add the above solution under the condition of 800r / min and stir for 60min under ...

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Abstract

The invention discloses an ecological photo-catalytic fireproof coating for air purification and a preparation method of the ecological photo-catalytic fireproof coating, belonging to the field of functional coatings. The ecological photo-catalytic fireproof coating contains a base material, a catalyst, a carbon forming agent, a flame-retardant filler, a photo-catalytic pigment, an inorganic solvent, a dispersant, a drying agent, a drying aid and a nano-mother solution. According to the ecological photo-catalytic fireproof coating, the problems of high cost and complex process caused when TiO2is modified by virtue of metal elements and rare earth elements in the prior art are solved, the disadvantage of single function of a coating filler is avoided, the fireproof coating is endowed withbrand new functions, the way of novel functional coatings is exploited, the production cost of the photo-catalytic fireproof coating is lowered by 30%, and the market competitiveness of the fireproofcoating is increased. TiO2 is modified with steel slag as the photo-catalytic pigment, red mud micro-powder is taken as the flame-retardant filler, and the ecological photo-catalytic fireproof coatingis prepared, so that the new way for the utilization of metallurgic solid waste is exploited, and the high added value application of the metallurgic solid waste is realized.

Description

technical field [0001] The invention belongs to the field of functional coatings, and specifically relates to a method of using Bayer process red mud powder, sintering method red mud powder, and mixed method red mud powder as flame-retardant fillers, steel slag modified TiO 2 As a photocatalytic pigment, an ecological photocatalytic fireproof coating for air purification that can comprehensively utilize metallurgical solid waste was prepared. Background technique [0002] Steel slag is solid waste produced in the steelmaking process, accounting for about 15% to 20% of steelmaking output. Steel slag is mainly composed of oxides of calcium, iron, silicon, magnesium and a small amount of aluminum, manganese, phosphorus, etc., that is, SiO 2 , Fe 2 o 3 、Al 2 o 3 , ZnO, CaO, MgO, P 2 o 5 , MnO, SO 3 etc., also contains a small amount of free calcium oxide and metallic iron. Red mud is the waste residue produced in the alumina production process, and its main component is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/00C09D5/18C09D7/61C09D7/62
Inventor 张浩龙红明吴胜华刘秀玉唐刚黄新杰宗志芳
Owner ANHUI UNIVERSITY OF TECHNOLOGY
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