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High-wear-resistant and crack-resistant ceramic paint and preparation method thereof

A ceramic coating and anti-cracking technology, applied in the direction of coating, etc., can solve the problems of easy cracking of the coating film, poor wear resistance, affecting the long-term use of products, etc., and achieve the effect of good crack resistance and excellent wear resistance

Inactive Publication Date: 2014-10-08
卡秀万辉(无锡)高新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing ceramic coatings for cooking utensils that meet FDA food safety requirements have the following disadvantages: 1. The coating film is prone to cracking, especially in light-colored products; 2. The wear resistance is not good, affecting Long-lasting use of the product

Method used

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  • High-wear-resistant and crack-resistant ceramic paint and preparation method thereof
  • High-wear-resistant and crack-resistant ceramic paint and preparation method thereof
  • High-wear-resistant and crack-resistant ceramic paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] (1) Preparation of component A main agent:

[0038] ① First filter 530g of silica sol A with a 300-mesh nylon mesh and stir at a speed of 600r / min;

[0039] ②Add the mixture of 20g of deionized water and 22g of butyl glycol butyl ether that has been premixed uniformly to the silica sol A, and stir while adding;

[0040] ③Under stirring at 600r / min, add 3g of thixotropic agent to the mixture obtained in step ②, and disperse for 5 minutes at a speed of 800r / min;

[0041] ④ Under 600r / min stirring state, add 334g of titanium dioxide pigment and 78g of alumina wear-resistant powder to the mixture obtained in step ③, and disperse for 15 minutes at a speed of 1000r / min;

[0042] ⑤ Grind the mixture obtained in step ④ to a fineness of ≤15 μm with a basket sand machine, add 325 g of silica sol B under stirring at 600 r / min, and stir for 10 minutes to produce a finished product;

[0043] The viscosity of the component A is 12 seconds, measured with a DIN No. 4 cup at 23° C.; t...

Embodiment 2

[0051] (1) Preparation of component A main agent:

[0052] ① First filter 620g of silica sol A with a 300-mesh nylon mesh and stir at a speed of 700r / min;

[0053] ②Add the mixture of 25.4g deionized water and 25g butyl glycol butyl ether that has been premixed uniformly to the silica sol A, and stir while adding;

[0054] ③Under stirring at 700r / min, add 4g of thixotropic agent to the mixture obtained in step ②, and disperse at a speed of 1000r / min for 8 minutes;

[0055] ④Under stirring at 700r / min, add 360g of titanium dioxide pigment and 60g of alumina wear-resistant powder to the mixture obtained in step ③, and disperse for 20 minutes at a speed of 800r / min;

[0056] ⑤ Grind the mixture obtained in step ④ to a fineness ≤ 15 μm with a basket sand machine, add 280 g of silica sol B under stirring at 700 r / min, and stir for 5 minutes to produce a finished product;

[0057] The viscosity of the component A is 13 seconds, measured with a DIN No. 4 cup at 23° C.; the solid co...

Embodiment 3

[0065] (1) Preparation of component A main agent:

[0066] ① First filter 640g of silica sol A with a 300-mesh nylon mesh and stir at a speed of 800r / min;

[0067] ②Add the mixture of 26g of deionized water and 26g of butyl glycol butyl ether that has been premixed uniformly to the silica sol A, and stir while adding;

[0068] ③Under stirring at 800r / min, add 5g of thixotropic agent to the mixture obtained in step ②, and disperse at a speed of 1000r / min for 10 minutes;

[0069] ④Under stirring at 800r / min, add 380g of titanium dioxide pigment and 80g of alumina wear-resistant powder to the mixture obtained in step ③, and disperse for 18 minutes at a speed of 900r / min;

[0070] ⑤ Grind the mixture obtained in step ④ to a fineness of ≤15 μm with a basket sand machine, add 225 g of silica sol A under stirring at 800 r / min, and stir for 8 minutes to produce a finished product;

[0071] The viscosity of the component A is 14 seconds, measured with a DIN No. 4 cup at 23° C.; the s...

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PUM

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Abstract

The invention discloses a high-wear-resistant and crack-resistant ceramic paint and a preparation method thereof. The high-wear-resistant and crack-resistant ceramic paint is composed of a component A as a main agent, a component B as a curing agent and a component C as a catalyst, wherein the weight ratio of the component A to the component B to the component C is equal to (2-3) to (1-2) to 0.01. The preparation method comprises the steps of mixing all the components according to a certain ratio, and curing to obtain a finished product of the paint. If being matched with silica sols with different particle sizes, the paint has the characteristics of excellent crack resistance and good wear resistance, and is convenient to construct and environmental friendly.

Description

technical field [0001] The invention relates to the technical field of ceramic coatings, in particular to a high wear-resistant and anti-cracking ceramic coating applicable to cooking utensils such as frying pans and baking pans and a preparation method thereof. Background technique [0002] At present, there are two main types of non-stick coatings commonly used in the market, one is fluorine coatings based on polytetrafluoroethylene (PTFE), such as Teflon; the other is based on silica sol and alkoxy Silane monomers are ceramic coatings prepared by sol-gel method (sol-gel). The inorganic nano-coating prepared by sol-gel technology overcomes the problems of poor temperature resistance, flame resistance and hardness of traditional organic coatings, and it has the characteristics of inorganic materials such as thermal stability, wear resistance, scratch resistance and non-combustibility. The coating of this system mainly uses water as a solvent, and there is no need to add PF...

Claims

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Application Information

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IPC IPC(8): C09D183/04C09D7/12C08G77/06
Inventor 赵彬彬田发
Owner 卡秀万辉(无锡)高新材料有限公司
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