Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Preparation method of superhydrophobic surface of metal zirconium

A technology of superhydrophobic surface and metal zirconium, which is applied to the device for coating liquid on the surface, special surface, pretreated surface, etc. Mass preparation and industrial production, reduced maintenance costs, good reproducibility

Active Publication Date: 2011-01-12
苏州盛泽科技创业园发展有限公司
View PDF7 Cites 21 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are no research reports on metal zirconium superhydrophobic surface and its preparation method

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The zirconium foil with a purity of 99.6% was polished with 800# water sandpaper until there were no obvious scratches on the surface, and then ultrasonically cleaned in acetone for 3 minutes. Then do the following in order:

[0027] ①Chemical etching: Put the cleaned zirconium foil in a chemical etching solution at 3°C ​​for 1 second, take it out, rinse it with water, and repeat the above operation 5 times;

[0028] The chemical etching solution is prepared by dissolving 15g / L boric acid in a mixture of hydrofluoric acid, nitric acid and water with a volume ratio of 2:5:3; wherein hydrofluoric acid, boric acid and nitric acid are all analytically pure (below same).

[0029] ②Anodizing: Use the zirconium foil that has been chemically etched in step ① as the anode, use the large-area graphite sheet as the cathode, and use the organic alcohol solution containing a small amount of fluoride aqueous solution as the anodizing solution for anodizing treatment. The anodizing v...

Embodiment 2

[0036] The zirconium plates with a purity of 98.0% were polished with 400, 600 and 800# water sandpaper until there were no obvious scratches on the surface, and then ultrasonically cleaned in acetone for 3 minutes. Then do the following in order:

[0037] ①Chemical etching: Put the cleaned zirconium plate in the chemical etching solution at 8°C for 2 seconds, take it out, then rinse it with water, and repeat the above operation 4 times.

[0038] ②Anodizing: Use the zirconium plate that has been chemically etched in step ① as the anode, use the large-area graphite sheet as the cathode, and use the organic alcohol solution containing a small amount of fluoride aqueous solution as the anodizing solution for anodizing treatment. The anodizing voltage is 80V , the temperature is 35°C, and the time is 6h.

[0039] The fluoride aqueous solution is prepared from sodium fluoride, sodium hexafluorosilicate and water. The mass percentage of fluorine in the anodic oxidation solution is ...

Embodiment 3

[0045] The zirconium plate with a purity of 98.5% was polished with 400, 600 and 800# water sandpaper until there were no obvious scratches on the surface, and then ultrasonically cleaned in acetone for 3 minutes. Then do the following in order:

[0046] ①Chemical etching: Place the cleaned zirconium plate in a chemical etching solution at 5°C for 1.5 seconds, take it out, rinse it with water, and repeat the above operation 5 times.

[0047] ②Anodizing: Use the zirconium plate that has been chemically etched in step ① as the anode, use the large-area graphite sheet as the cathode, and use the organic alcohol solution containing a small amount of fluoride aqueous solution as the anodizing solution for anodizing treatment. The anodizing voltage is 80V , the temperature is 25°C, and the time is 5h.

[0048] The fluoride aqueous solution is prepared from sodium fluoride, sodium tetrafluoroborate and water. The mass percent content of fluorine in the anodic oxidation solution is 0.4...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
angleaaaaaaaaaa
Login to View More

Abstract

The invention provides a preparation method of a superhydrophobic surface of a metal zirconium. The method is as follows: firstly, in site building a nano / micro coarse structure on the surface of the metal zirconium through chemical etching, anodizing and ultraphonic strip membranes; and subsequently, carrying out hydrophobic treatment on the surface through low surface energy substances such as self-assembling siloxane and the like, thereby obtaining the superhydrophobic metal zirconium surface. The metal zirconium surface treated by using the method of the invention has good superhydrophobic property, a contact angle with water-drop reaches 157-163 degrees, and a roll angle is less than 3 degrees, thereby meeting the demand of industry fields on the superhydrophobic surface of the metal zirconium. The method of the invention has the characteristics of simple process, convenient operation, low production cost, easy large-scale preparation, industrial production and the like.

Description

technical field [0001] The invention belongs to the field of metal material surface treatment, and in particular relates to a method for preparing a superhydrophobic surface of metal zirconium. Background technique [0002] Superhydrophobic is a special surface wettability, superhydrophobic surface generally refers to the surface with a contact angle of water droplets greater than 150 °C. Metal superhydrophobic surfaces have extensive and important uses in the fields of production, life and basic research. For example, metal surfaces with superhydrophobic ability can play the role of self-cleaning, inhibiting surface corrosion and surface oxidation; metal surfaces used in power transmission and wired communication lines have The super-hydrophobic ability can reduce the accumulation of rain, snow and frost, and improve the safety of the line; the metal shell of the ship or the inner wall of the metal pipe has super-hydrophobic ability, which can reduce frictional resistance, ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B05D5/08B05D3/10C23F1/30C25D11/26
Inventor 李凌杰阎东霞谢昭明雷惊雷何建新潘复生
Owner 苏州盛泽科技创业园发展有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com