A kind of flexible ceramic non-stick coating composition and coating method thereof
A technology of non-stick coating and flexibility, applied in the direction of coating, can solve the problems of poor flexibility of the coating, achieve the effect of improving poor adhesion and flexibility, and improving applicability
Active Publication Date: 2016-08-24
ZHEJIANG PFLUON TECH CO LTD
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Problems solved by technology
[0004] The present invention provides a flexible ceramic non-stick coating composition aiming at the defects of the prior art, which improves the poor flexibility of the existing ceramic coating
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Embodiment 1-16
[0040] A flexible ceramic non-stick coating is formed by mixing the two components of A and B according to the ratio in Table 1. The coating method of the ceramic non-stick coating is as follows:
[0041] a. Pre-treatment: Degrease the metal substrate at a temperature of 300°C to 400°C, then perform chemical treatment, including alkali cleaning and pickling, and sandblasting to enhance coating adhesion.
[0042]b. Paint mixing: Mix and stir the A and B components according to the weight ratio for 3 to 15 hours (the curing time varies according to the temperature), and carry out the hydrolysis and condensation reaction;
[0043] c. Paint spraying: preheat the base material treated in step a to 40-80°C (the preheating temperature can be determined according to the actual situation), and spray the paint on the preheated base material through compressed air;
[0044] d, sintering and solidification: level and dry the substrate obtained in step c at 55-80°C for 10-15 minutes, then ...
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Abstract
The invention belongs to the technical field of surface coating liquid or other fluids, and relates to a flexible ceramic non-stick coating composition and a coating method thereof. A flexible ceramic non-stick coating composition, which is formed by mixing components A and B, wherein the weight ratio of component A to component B is 1-3:1, wherein component A contains the following mass percent Components in terms of content: 30-95% silica sol, 0-3% leveling agent, 0-20% heat-resistant pigment, 0-30% filler, and the balance is water-soluble solvent; component B includes the following mass percent Components in terms of content: 50-90% alkoxysilane, 2-4% epoxy silane, 6-12% linear organofunctional polysiloxane resin, 0.1-1% acid catalyst, and the balance is water-soluble solvent. Compared with the existing non-stick coating, the flexible ceramic non-stick coating of the present invention has a temperature resistance above 300°C, which greatly improves the shortcomings of poor adhesion and poor flexibility of the ceramic non-stick coating, and improves the ceramic non-stick coating. Applicability of adhesive coating.
Description
technical field [0001] The invention belongs to the technical field of surface coating liquid or other fluids, and relates to a flexible ceramic non-stick coating composition and a coating method thereof. Background technique [0002] Non-stick coating has been used in cookware for half a century, and its good non-stick performance provides convenience for people's life. Non-stick coatings are mainly classified into three types according to their film-forming substances: fluororesin non-stick coatings, ceramic non-stick coatings, and silicone resin non-stick coatings, which are mainly used in cookware, small household appliances and other fields. Silicone-containing non-stick coatings have gradually withdrawn from the non-stick coating market due to their failure to meet high requirements in heat resistance, corrosion resistance, and non-stick properties. Since the invention of fluorine-containing non-stick coatings, due to the good characteristics of fluorine materials, th...
Claims
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IPC IPC(8): C09D1/00C09D7/12
Inventor 史航关建安王锡铭王锐
Owner ZHEJIANG PFLUON TECH CO LTD