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Method for preparing environmental-friendly waterborne ceramic coating

A ceramic coating, an environmentally friendly technology, applied in the field of building decoration materials, to achieve the effect of improving stability, strong adhesion, and low VOC emission content

Inactive Publication Date: 2018-08-14
ANHUI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the domestic market is very small

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Preparation of aluminum powder treated with titanate coupling agent (Cs-311)

[0017] Weigh 200g of aluminum powder (particle size 8-10um), introduce it into a large beaker with 400ml of absolute ethanol 1L, cut it with a high-speed shear for 6 minutes, and add 2g of titanate coupling agent drop by drop (CS-311) was further sheared for 4 minutes, then transferred to a 1L round-bottomed flask, and rotatated in a water bath at 60°C for 7 hours. The rotation speed of the evaporator was adjusted to 45r / min, and it was completed after 7 hours. Coupling processing.

[0018] Start the circulating water vacuum pump for decompression drying. When all the liquid in the round bottom flask has evaporated, turn off the circulating water vacuum pump to stop the decompression drying, add 100ml of absolute ethanol to the round bottom flask, stir well and then turn on the circulating water again Dry under reduced pressure with a vacuum pump; when the absolute ethanol is completely evap...

Embodiment 2

[0024] Preparation of aluminum powder treated with carboxymethyl cellulose

[0025] Weigh 0.5g of carboxymethyl cellulose, slowly add it to a large beaker that has weighed 300ml of deionized water and 1L, stir well until the liquid is transparent; weigh 100g of aluminum powder (particle size 8-10um) and add into the carboxymethyl cellulose solution, fully stirred for 6 hours in a water bath at 60°C, and then transferred to a centrifuge tube for centrifugation; after centrifugation, pour off the supernatant, take out the treated aluminum powder, and transfer to In a large beaker, dry under reduced pressure at 40°C for 12 hours to obtain dry block-shaped aluminum powder. After fully grinding in a mortar, pass through a 200-mesh sieve, and immediately seal and store to obtain carboxymethylcellulose-treated aluminum powder. pink.

[0026] Preparation of environment-friendly water-based ceramic coating

[0027] Weigh 70g of deionized water in a 250ml beaker, stir under a mechanic...

Embodiment 3

[0031] Preparation of aluminum powder treated with silane coupling agent (Kh550)

[0032]Weigh 200g of aluminum powder (particle size 8-10um), introduce it into a large beaker with 400ml of absolute ethanol 1L, cut it with a high-speed shear for 6 minutes, add 1g of silane coupling agent Kh550 drop by drop, After further shearing for 10 minutes, it was transferred to a 1L round-bottomed flask, and was rotary evaporated in a water bath at 60°C for 6 hours. The rotation speed of the rotary evaporator was adjusted to 45r / min, and the coupling treatment was completed after 6 hours.

[0033] Start the circulating water vacuum pump for decompression drying. When all the liquid in the round bottom flask has evaporated, turn off the circulating water vacuum pump to stop the decompression drying, add 100ml of absolute ethanol to the round bottom flask, stir well and then turn on the circulating water again Dry under reduced pressure with a vacuum pump; when the absolute ethanol is comp...

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Abstract

The invention discloses a method for preparing an environmental-friendly waterborne ceramic coating. The environmental-friendly waterborne ceramic coating is prepared from a base stock, a filler, deionized water and an additive, wherein the base stock is mainly liquid silicate, the filler is mainly aluminium powder, and the aluminium powder is pretreated to improve the stability of the coating tothe great degree; and the additive is mainly prepared from a coupling agent, a corrosion inhibitor, a thixotropic agent, a surfactant, a defoaming agent and the like, and the environmental-friendly waterborne ceramic coating is prepared through the processes of stirring and sanding. The environmental-friendly waterborne ceramic coating has the characteristics of being environmental-friendly, non-toxic, free of pungent odour, low in VOC emission, simple in construction procedure, and widely applied in multiple fields. The environmental-friendly waterborne ceramic coating has high surface adaptability to the base stock, the adhesive force of the coating is strong, and the environmental-friendly waterborne ceramic coating has good metal luster and high performances of self repairing, high temperature resistance, salt fog resistance, abrasion resistance, corrosion resistance, thermal shock resistance, static electricity resistance, mildew resistance and water resistance, and the like.

Description

technical field [0001] The invention relates to the field of building decoration materials, in particular to a method for preparing an environment-friendly water-based ceramic silicate coating. Background technique [0002] In recent years, with the rapid development of social economy, the demand for metal materials such as steel has been increasing in various fields. However, metal materials such as steel are affected by various environments, and there are a lot of corrosion phenomena, which seriously damage natural resources. And the environment, but also brought a huge potential threat to people's lives, hindering the full utilization of metal materials such as steel, including oil, natural gas, electric power and other energy industries, bridges, roads and other transportation industries, petrochemical, fine chemical, Chemical industries such as pharmaceuticals and other industries such as urban construction, agriculture, and ocean development. Corrosion of steel and ot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/04C09D5/10C09D7/61C09D7/63C09D7/62
Inventor 沈玉华王单谢安建
Owner ANHUI UNIVERSITY
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