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

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Problems solved by technology

In addition, it is particularly important that the preparation methods currently involved can only prepare one kind of superphobic f

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
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Example Embodiment

[0022] Example one

[0023] First, 2.64g NiCl 2 ·6H 2 O was placed in 150ml of absolute ethanol to completely dissolve it to form a uniform solution; secondly, 2.741g of myristic acid powder was dispersed in the above solution under the condition of magnetic stirring and mixed uniformly to form a content of 0.08mol / l The myristic acid electrolyte. Then put two 60mm×25mm×1.5mm copper sheets that were polished and blow-dried with 400 and 800 grit water sandpaper in advance in the electrolytic cell, and pour the above electrolyte into the electrolytic cell under a DC voltage of 30V Electrolysis, the superhydrophobic film formed on the anode and cathode after 15min of electrolysis is seen figure 1 , The specific contact angle is shown in Table 1.

Example Embodiment

[0024] Example two

[0025] First, 2.64g NiCl 2 ·6H 2 O was placed in 150ml of absolute ethanol to completely dissolve it to form a uniform solution; secondly, 2.741g of myristic acid powder was dispersed in the above solution under the condition of magnetic stirring and mixed uniformly to form a content of 0.08mol / l The myristic acid electrolyte. Then put two 60mm×25mm×1.5mm copper sheets that were polished and blow-dried with 400 and 800 grit water sandpaper in advance in the electrolytic cell, and pour the above electrolyte into the electrolytic cell under a DC voltage of 30V Electrolysis, the superhydrophobic film formed on the anode and cathode after 30min of electrolysis figure 2 , The specific contact angle is shown in Table 1.

Example Embodiment

[0026] Example three

[0027] First, 2.64g NiCl 2 ·6H 2 O was placed in 150ml of absolute ethanol to completely dissolve it to form a uniform solution; secondly, 2.741g of myristic acid powder was dispersed in the above solution under the condition of magnetic stirring and mixed uniformly to form a content of 0.08mol / l The myristic acid electrolyte. Then put two 60mm×25mm×1.5mm copper sheets pre-polished with 400 and 800 grit water sandpaper and blow-dried in the electrolytic cell, and pour the above electrolyte into the electrolytic cell, under a DC voltage of 15V Electrolysis, the superhydrophobic film formed on the anode and cathode after 30min of electrolysis image 3 , The specific contact angle is shown in Table 1.

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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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