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Nonstick violet sand ceramics dope and preparation method thereof

A purple sand ceramic and non-stick technology, applied in the field of non-stick purple sand ceramic coatings and their preparation, can solve the problems of unsatisfactory non-adhesion quality and easy cracking of the coating, and achieves human safety, non-toxicity and non-adhesion. Excellent performance and the effect of improving surface hardness

Inactive Publication Date: 2008-06-04
胡金高
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the non-stick quality is not satisfactory or cracks are prone to appear in the coating, or a PTFE coating must also be used

Method used

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  • Nonstick violet sand ceramics dope and preparation method thereof
  • Nonstick violet sand ceramics dope and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Example 1 Preparation of non-sticky purple clay ceramic coating (temperature 10°C)

[0037] 1) Preparation of liquid A, first weigh all components of liquid A, 2g polysiloxane, 4g silicon dioxide, 10g aluminum oxide, 2g zinc oxide, 96g water, 10g methanol, 12g methyl cellulose Element, 64g ferric oxide, is fully mixed with water as solvent, then stirred at 150rpm stirrer for 30 minutes. Set aside.

[0038] 2) For the preparation of liquid B, first weigh all the components of liquid B, 40 g of silicon dioxide, and 60 g of methanol, and mix thoroughly with methanol as a solvent, and then stir with a mixer at 150 rpm for 30 minutes. Set aside.

[0039] 3) Mix liquid A and liquid B, pour liquid A into liquid B and roll on a rotary machine for 12 hours at a speed of 80 cycles / min. (weight ratio 2:1)

[0040] 4) After stopping the rolling, place it for 1 hour and store it at low temperature.

Embodiment 2

[0041] Example 2 Preparation of non-sticky purple sand ceramic coating (room temperature 20°C)

[0042] 1) Preparation of liquid A, first weigh all the components of liquid A, 8.6g silicon dioxide, 11.4g aluminum oxide, 1.8g zinc oxide, 80g water, 14.2g methanol, 12.8g methylcellulose , 71.2g of titanium dioxide, fully mixed with water as a solvent, and then stirred at 150rpm for 120 minutes. Set aside.

[0043] 2) Preparation of liquid B, first weigh all components of liquid B, 42g of silicon dioxide, 58g of methanol, fully mix with methanol as a solvent, and then stir with a 150rpm mixer for 120 minutes. Set aside.

[0044] 3) Mix liquid A and liquid B, pour liquid A into liquid B and place it on a rotating machine to roll for 8 hours at a speed of 100 cycles / min. (weight ratio 2:1)

[0045] 4) After stopping the rolling, place it for 3 hours and store it at low temperature.

Embodiment 3

[0046] Example 3 Preparation of non-sticky purple sand ceramic coating (room temperature 25°C)

[0047] 1) For the preparation of liquid A, first weigh all components of liquid A, 3.75g polysiloxane, 8.75g silicon dioxide, 15.5g aluminum oxide, 7g zinc oxide, 100.25g water, 19.75g methanol , 16g of methylcellulose, 10g of ferric oxide, 69g of titanium dioxide, fully mixed with water as a solvent, and then stirred at 180rpm for 120 minutes. Set aside.

[0048] 2) Preparation of liquid B. First, weigh all components of liquid B, 45.5 g of silicon dioxide, and 54.5 g of methanol, and mix thoroughly with methanol as a solvent, and then stir with a mixer at 180 rpm for 120 minutes. Set aside.

[0049] 3) Mix liquid A and liquid B, pour liquid A into liquid B and place it on a rotating machine to roll for 6 hours at a speed of 100 cycles / min. (weight ratio 2.5:1)

[0050] 4) After stopping the rolling, place it for 3 hours and store it at low temperature.

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Abstract

The invention relates to a ceramic coating and a preparation method thereof, in particular to a nonsticking purple sand ceramic coating used for cooking utensil and a preparation method thereof. The nonsticking purple sand ceramic coating of the invention comprises 0-3.1 percent of polysiloxane, 0- 5.1 percent of aluminium sesquioxide, 0-2.1 percent of zinc oxide, 11.4-23.1 percent of silicon dioxide, 0.7-4.6 percent of alkyl cellulose, 12.4-27.6 percent of pigment, 21.9-37.8 percent of water and 12.1-25.6 percent of alcohol by weight percentage. The nonsticking purple sand ceramic coating of the invention can form a layer of compact ceramics at the surface of metal or metal allay, thus greatly improving the surface hardness of the cooking utensil and leading the coating to be more wearable; the non-viscosity of the coating is excellent; more importantly, the ceramic coating dose not change, react, generate harmful substances and pollute the environment and is safe and non-toxic towards human body under high temperature of 400 DEG C during 24h.

Description

technical field [0001] The invention relates to a ceramic coating and a preparation method thereof, in particular to a non-stick purple sand ceramic coating for cooking utensils and a preparation method thereof. Background technique [0002] With the continuous improvement of people's living standards, the awareness of environment and health is gradually increasing, and people will pay more and more attention to green environmental protection materials and energy-saving products. [0003] Metal cooking utensils are easy to adhere to food during use, so the surface should be treated, for example, mainly by adding a non-stick coating to solve or initially solve the problem of adhesion to ordinary metal pans. [0004] In this field, polytetrafluoroethylene (PTFE) non-stick coatings have been used for a long time. This coating is prone to scratching, premature wear, peeling and rapidly degrades when heated, and decomposes at high temperatures to produce carcinogens. Many peopl...

Claims

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Application Information

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IPC IPC(8): C04B41/81
Inventor 胡金高
Owner 胡金高
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