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A kind of thermally induced in-situ reaction conversion type nano endothermic coating material and preparation method thereof

An in-situ reaction and heat-absorbing coating technology, which is applied in the direction of radiation-absorbing coatings, coatings, and metal material coating processes, to achieve improved energy utilization, excellent high-temperature oxidation resistance, and enhanced selective heat absorption capacity Effect

Active Publication Date: 2020-01-31
陆雯婕
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] So far, selective heat-absorbing coating materials with simple preparation process, good low-temperature film-forming performance and high-temperature oxidation resistance, especially selective heat-absorbing and energy-saving coating materials that can be used for household stainless steel pots and aluminum alloy pots, are still available. No report

Method used

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  • A kind of thermally induced in-situ reaction conversion type nano endothermic coating material and preparation method thereof
  • A kind of thermally induced in-situ reaction conversion type nano endothermic coating material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] A method for preparing thermally induced in-situ reaction conversion type nano heat-absorbing coating material includes the following steps:

[0047] (1) According to the mass ratio of sodium silicate 0.04wt%, siloxane (the mass ratio of tetramethoxysilane and dimethyldiethoxysilane is 1:1) 1wt%, tin oxide 0.02wt% and methanol 98.94wt%, weigh out 0.04 g of nano sodium silicate powder, 1 g of mixed solution of tetramethoxysilane and dimethyldiethoxysilane, 0.02 g of tin oxide powder, and 98.94 g of methanol solution.

[0048] (2) Mix the weighed sodium silicate, siloxane, tin oxide and methanol solutions together and stir for 30 minutes to form a uniform silicon-containing compound solution;

[0049] (3) According to the mass ratio of 1:1, weigh 15 grams of nano tin-copper alloy (particle size 150 nanometers, copper content 30%) and 15 grams of the silicon-containing compound solution prepared in step (2);

[0050] (4) The weighed nano tin-copper alloy is added to the silicon-co...

Embodiment 2

[0053] A method for preparing thermally induced in-situ reaction conversion type nano heat-absorbing coating material includes the following steps:

[0054] (1) According to the mass ratio of sodium silicate 10wt%, siloxane (the mass ratio of tetramethoxysilane and dimethyldiethoxysilane is 1:1) 15wt%, tin oxide 1wt% and methanol 74wt% , Weigh 10 grams of nano sodium silicate powder, 15 grams of a mixed solution of tetramethoxysilane and dimethyldiethoxy silane, 1 gram of tin oxide powder, and 74 grams of methanol solution.

[0055] (2) Mix the weighed sodium silicate, siloxane, tin oxide and methanol solutions together and stir for 40 minutes to form a uniform silicon-containing compound solution;

[0056] (3) According to the mass ratio of 3:20, weigh 15 grams of nano tin-copper alloy (particle size 150 nanometers, copper content 30%) and 100 grams of the silicon-containing compound solution prepared in step (2);

[0057] (4) The weighed nano tin-copper alloy is added to the silicon...

Embodiment 3

[0059] A method for preparing thermally induced in-situ reaction conversion type nano heat-absorbing coating material includes the following steps:

[0060] (1) According to the mass ratio of sodium silicate 5wt%, dimethyldimethoxysilane 25wt%, tin oxide 2wt% and alcohol (the mass ratio of methanol and ethanol is 3:1) 68wt%, weigh 5 grams of silicon Sodium powder, 25 grams of dimethyldimethoxysilane siloxane, 2 grams of tin oxide powder and 68 grams of methanol-ethanol mixed alcohol solution.

[0061] (2) Mix the weighed sodium silicate, siloxane, tin oxide, and methanol-ethanol mixed alcohol solution together, and stir for 10 minutes to form a uniform silicon-containing compound solution;

[0062] (3) According to the mass ratio of 1:10, weigh 10 grams of nano tin-copper alloy (particle size 100 nanometers, copper content 50%) and 100 grams of the silicon-containing compound solution prepared in step (2);

[0063] (4) The weighed nano tin-copper alloy is added to the silicon-containi...

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Abstract

The invention discloses a thermic in-situ reaction transformed nano heat absorbing coating material. The thermic in-situ reaction transformed nano heat absorbing coating material is characterized in that the thermic in-situ reaction transformed nano heat absorbing coating material is a CuO-SnO2-SiO2 coating material formed through calcination of a tin-copper alloy and a silicone-containing compound in hot air of 300-600 DEG C, specifically, the mass ratio of the copper-tin alloy to the silicone-containing compound is 1-1:20, the tin-copper alloy is transformed into a CuO and SnO2 functional substance in an in-situ mode, and the silicone-containing compound is transformed into an amorphous-state SiO2 matrix in an in-situ mode. The heat absorbing coating material composed of nano copper oxides, nano tin oxides and amorphous silicon dioxide jointly is obtained through compounding and thermic in-situ reaction transformation of the low-smelting-point nano tin-copper alloy and the silicone-containing compound, and selective heat absorption and intensified energy saving functions of a stainless steel pot or an aluminum alloy pot are achieved.

Description

Technical field [0001] The application relates to a nano heat-absorbing and energy-saving coating material for household metal cookware, and more specifically, to a heat-induced in-situ reaction conversion type nano heat-absorbing coating material and a preparation method thereof. Background technique [0002] Stainless steel and aluminum alloy pots and pans are widely used in modern kitchens due to their excellent shape, rich expressiveness and corrosion resistance. However, due to the high light reflection characteristics of stainless steel and aluminum alloy materials, the absorption and utilization of the energy of the gas flame by the cookware is reduced, which is not conducive to energy saving and emission reduction in the field of civil gas. [0003] The strong heat radiation effect on the surface of high temperature materials will reduce the heat energy utilization efficiency of the material. By reducing the infrared emissivity in the high temperature heat radiation wavelen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C18/12C09D1/00C09D5/32C09D7/61C09D7/63
CPCC09D1/00C09D5/32C09D7/61C09D7/63C23C18/1208
Inventor 陆雯婕
Owner 陆雯婕
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