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Fire retardant coating with photocatalytic performance and preparation method thereof

A technology of fire retardant coating and photocatalysis, applied in the direction of fire retardant coating and coating, can solve the problems of high electron-hole recombination rate, low utilization rate of visible light, low photocatalytic activity, etc. The ability of light to absorb visible light and the effect of improving anti-aging properties

Inactive Publication Date: 2015-07-01
CHINA MCC17 GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In addition, the inorganic pigment TiO with good thermal stability commonly used in fire retardant coatings 2 There are limitations such as wide band gap, low quantum efficiency, reduced photocatalytic activity after several times of use, high recombination rate of electrons and holes, and low utilization rate of visible light. Therefore, TiO 2 Modification of metal ions and rare earth ions to improve TiO 2 Light absorbing visible light ability

Method used

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  • Fire retardant coating with photocatalytic performance and preparation method thereof
  • Fire retardant coating with photocatalytic performance and preparation method thereof
  • Fire retardant coating with photocatalytic performance and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] A preparation method of a fireproof coating with photocatalytic performance, comprising the steps of:

[0051] (1) Add 45ml of water to 4.5g of BYK180 polymer dispersant, stir for 7min in a stirring plate at a rotation speed of 1500 rpm; then add 10ml of aluminum dihydrogen phosphate and 10g of aluminum 2 / Kg ultrafine slag powder, stir for 7min; then add 4g Cu-Ce / TiO 2 , and then stirred for 7min;

[0052] (2) Reduce the rotating speed of the stirring plate to 1000 rpm, add 1g of ammonium polyphosphate, 1g of pentaerythritol and 2g of melamine, stir for 35min, and prepare the fireproof white paste;

[0053] (3) join the fireproof white slurry prepared by step (2) in the paint mixing tank, adjust the rotating speed of the stirring plate to be 500 rpm, then add 0.15g lead oxide, 0.25g zinc powder, 1ml nanometer mother liquor, stir for 25min, A fireproof coating with photocatalytic properties is obtained as the final target product.

Embodiment 2

[0055] A preparation method of a fireproof coating with photocatalytic performance, comprising the steps of:

[0056] (1) Add 35ml of water to 3.5g of BYK180 polymer dispersant, and stir for 6min in a stirring plate at a rotation speed of 1500 rpm; then add 20ml of aluminum dihydrogen phosphate and 16g of aluminum dihydrogen phosphate in turn with a specific surface area of ​​681m 2 / Kg ultrafine slag powder, stir for 6min; then add 6g Cu-Ce / TiO 2 , and then stirred for 6min;

[0057] (2) Reduce the rotating speed of the stirring plate to 1000 rpm, add 2g ammonium polyphosphate, 2g pentaerythritol and 3g melamine, stir for 32min, and prepare the fireproof white paste;

[0058] (3) join the fireproof white slurry prepared by step (2) in the paint mixing tank, adjust the rotating speed of the stirring plate to be 500 rpm, then add 0.2g lead oxide, 0.1g zinc powder, 7ml nanometer mother liquor, stir for 22min, A fireproof coating with photocatalytic properties is obtained as th...

Embodiment 3

[0060] A preparation method of a fireproof coating with photocatalytic performance, comprising the steps of:

[0061] (1) Add 25ml of water to 2.5g of BYK180 polymer dispersant, stir for 5min in a stirring plate at a speed of 1500 rpm; then add 15ml of aluminum dihydrogen phosphate and 14g of aluminum dihydrogen phosphate 2 / Kg ultrafine slag powder, stir for 5min; then add 8g Cu-Ce / TiO 2 , and then stirred for 5min;

[0062] (2) Reduce the rotating speed of the stirring plate to 1000 rpm, add 2g of ammonium polyphosphate, 2g of pentaerythritol and 1g of melamine, stir for 30min, and prepare the fireproof white paste;

[0063] (3) join the fireproof white slurry prepared by step (2) in the paint mixing tank, adjust the rotating speed of the stirring plate to be 500 rpm, then add 0.3g lead oxide, 0.2g zinc powder, 5ml nanometer mother liquor, stir 20min, A fireproof coating with photocatalytic properties is obtained as the final target product.

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Abstract

The invention discloses a fire retardant coating with photocatalytic performance and a preparation method thereof. The fire retardant coating is obtained by mixing and stirring a base material, a catalyst, a charring agent, a foaming agent, filler, a pigment, a solvent, a disperser, a dryer, a drying aid and a nano-mother solution. By adopting the preparation method provided by the invention, the environment pollution can be furthest reduced, the recycling economical production of the product can be realized and about 20% of the cost can be reduced; the fire retardant coating prepared by the invention has excellent performances of high strength, rapid hardness, washing resistance, water resistance, alkali resistance and freezing resistance, particularly has an outstanding feature of degrading the formaldehyde gas in the room through photocatalysis and has a natural, non-toxic, pollution-free environment-friendly safety performance.

Description

technical field [0001] The invention relates to a fireproof coating, in particular to a fireproof coating with photocatalytic performance prepared from industrial waste residues, and belongs to the field of fireproof coatings. Background technique [0002] Water-quenched slag mainly refers to the granulated slag discharged from the iron-making blast furnace. It generally refers to an industrial waste slag that flows out of the high-temperature molten state in the furnace and is quenched and quenched by water. It is a glass structure material with high potential activity. As a material "resource" with high energy and high energy consumption, water-quenched slag is far from enough for its comprehensive utilization. Statistics show that nearly 67% of slag has been well utilized at present, but there are still a large amount of slag that is simply and extensively used as building aggregates and road fillers, and is wasted in vain. A considerable number of enterprises simply sell...

Claims

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Application Information

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IPC IPC(8): C09D1/00C09D5/18C09D7/12
Inventor 刘体锋
Owner CHINA MCC17 GRP
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