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Method for preparing two types of super-hydrophobic membranes simultaneously by utilizing nickel chloride

A technology of nickel chloride and superhydrophobic, applied in the process of producing decorative surface effects, gaseous chemical plating, manufacturing microstructure devices, etc., can solve problems such as no related reports

Inactive Publication Date: 2011-05-04
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, it is particularly important that the preparation methods currently involved can only prepare one kind of superphobic film at the same time, and there are no relevant reports on the method of preparing more than two superphobic films at the same time.

Method used

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  • Method for preparing two types of super-hydrophobic membranes simultaneously by utilizing nickel chloride
  • Method for preparing two types of super-hydrophobic membranes simultaneously by utilizing nickel chloride
  • Method for preparing two types of super-hydrophobic membranes simultaneously by utilizing nickel chloride

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] First 2.64g NiCl 2 ·6H 2 O is placed in 150ml of absolute ethanol to dissolve it completely to form a uniform solution; secondly, 2.741g of myristic acid powder is dispersed in the above solution under the condition of magnetic stirring, and mixed evenly to form a solution containing 0.08mol / l myristic acid electrolyte. Then put two pieces of 60mm×25mm×1.5mm copper sheets that have been polished and dried with 400 and 800 grit water sandpaper in advance, and put them in the electrolytic tank, and pour the above electrolyte into the electrolytic tank. Electrolysis, the superhydrophobic film formed on the anode and cathode after electrolysis for 15min see figure 1 , see Table 1 for specific contact angles.

Embodiment 2

[0025] First 2.64g NiCl 2 ·6H 2 O is placed in 150ml of absolute ethanol to dissolve it completely to form a uniform solution; secondly, 2.741g of myristic acid powder is dispersed in the above solution under the condition of magnetic stirring, and mixed evenly to form a solution containing 0.08mol / l myristic acid electrolyte. Then put two pieces of 60mm×25mm×1.5mm copper sheets that have been polished and dried with 400 and 800 grit water sandpaper in advance, and put them in the electrolytic tank, and pour the above electrolyte into the electrolytic tank. Electrolysis, the superhydrophobic film formed on the anode and cathode after electrolysis for 30min see figure 2 , see Table 1 for specific contact angles.

Embodiment 3

[0027] First 2.64g NiCl 2 ·6H 2 O is placed in 150ml of absolute ethanol to dissolve it completely to form a uniform solution; secondly, 2.741g of myristic acid powder is dispersed in the above solution under the condition of magnetic stirring, and mixed evenly to form a solution containing 0.08mol / l myristic acid electrolyte. Then put two 60mm x 25mm x 1.5mm copper sheets that have been sanded and dried with 400 and 800 grit water sandpaper in advance and placed in the electrolytic tank, and the above electrolyte is poured into the electrolytic tank, under a DC voltage of 15V Electrolysis, the superhydrophobic film formed on the anode and cathode after electrolysis for 30min see image 3 , see Table 1 for specific contact angles.

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Abstract

The invention relates to a method for preparing two types of super-hydrophobic membranes simultaneously by utilizing nickel chloride, in particular to a method for preparing a copper myristate membrane with a micro / nano-structure at an anode and a myristic acid membrane embedded with nickel particles at a cathode simultaneously. The method is technically characterized in that: the nickel chloride and myristic acid powder are dispersed in absolute ethanol to form uniform electrolyte, and two copper sheets with 60mm*25mm*1.5mm are taken as electrodes and are electrolyzed under certain direct-current voltage for a certain period of time, so that the copper myristate membrane with the micro / nano-structure is formed at the anode and the myristic acid membrane embedded with the nickel particles is formed at the cathode. The invention provides a simple method for preparing super-hydrophobic membranes at the anode and the cathode simultaneously for the first time; and the super-hydrophobic membranes have good super-hydrophobic performance and have wide application prospect.

Description

technical field [0001] The invention relates to a method for simultaneously preparing two superhydrophobic films by using nickel chloride, in particular to a method for simultaneously preparing a copper myristate film with a micro / nano structure on the anode and a myristate film with nickel particles embedded on the cathode. Background technique [0002] The wettability of solid surfaces is very important in both industrial production and daily life. Inspired by the non-stick properties of biological organisms, the research on biomimetic superphobic materials is being paid more and more attention by researchers. Among them, the most studied is the imitation lotus leaf structure, which is generally composed of a series of micro / nano composite structures and a layer with low surface energy. compound of waxy substances. When a droplet falls on it, the air enclosed in the micro / nanostructure and the protrusions with low surface energy will jointly prop up the droplet. It is ge...

Claims

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Application Information

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IPC IPC(8): C25D9/02C25D15/00B82Y40/00B81C1/00
Inventor 陈志耿兴国李峰
Owner NORTHWESTERN POLYTECHNICAL UNIV
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