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Manufacturing method of oil-water separation metal mesh having super-hydrophilicity/underwater super-lipophobicity

A technology of oil-water separation and manufacturing method, which is applied in the direction of separation method, liquid separation, chemical instruments and methods, etc., and can solve the problems of complicated manufacturing process of oil-water separation mesh or oil-water separation mesh, inability to prepare large areas, and use of harmful solvents, etc. Achieve the effects of easy cleaning and reuse, simple manufacturing process and equipment, and low cost

Active Publication Date: 2017-02-01
CHANGCHUN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to propose a method for manufacturing an oil-water separation metal mesh with superhydrophilic / underwater superoleophobicity, so as to solve the problems in the prior art that the manufacturing process of the oil-water separation mesh or the oil-water separation mesh is relatively complicated, expensive, and cannot be large. Area preparation and the use of hazardous solvents

Method used

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  • Manufacturing method of oil-water separation metal mesh having super-hydrophilicity/underwater super-lipophobicity
  • Manufacturing method of oil-water separation metal mesh having super-hydrophilicity/underwater super-lipophobicity
  • Manufacturing method of oil-water separation metal mesh having super-hydrophilicity/underwater super-lipophobicity

Examples

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Embodiment 1

[0034] The preparation method of the oil-water separation stainless steel mesh with superhydrophilic / underwater superoleophobicity comprises the following steps:

[0035] Step 1: Place the stainless steel mesh substrate with a mesh number of 50-1000 mesh in an ultrasonic cleaner filled with acetone, absolute ethanol and deionized water for 10 minutes to remove surface residues. The ultrasonic frequency is 20-40KHz. The power range is 100-150W. After cleaning, the stainless steel mesh base is blown dry with cold wind or air-dried at room temperature to obtain a clean stainless steel mesh base;

[0036] Step 2: Use laser processing technology to scan and process the clean stainless steel mesh substrate obtained in step 1 with a laser beam with a wavelength of 570-1064nm and an average power of less than 300W; the scanning range, scanning trajectory and processing speed of the laser are all controlled by the computer Program control and setting, after adjusting the relevant proce...

Embodiment 2

[0042] The preparation method of the oil-water separation copper mesh with superhydrophilic / underwater superoleophobicity comprises the following steps:

[0043] Step 1: Place the copper mesh substrate with a mesh number of 50-1000 mesh in an ultrasonic cleaner filled with acetone, absolute ethanol and deionized water for 10 minutes to remove surface residues. The ultrasonic frequency is 20-40KHz. The power range is 100-150W. After cleaning, the copper mesh substrate is blown dry with cold wind or air-dried at room temperature to obtain a clean copper mesh substrate;

[0044] Step 2: Using laser processing technology, using a laser beam with a wavelength of 570-1064nm and an average power of less than 300W to perform laser scanning processing on the clean copper mesh substrate obtained in step 1; the scanning range, scanning trajectory and processing speed of the laser are all controlled by the computer Program control and setting, after adjusting the relevant process paramete...

Embodiment 3

[0049] A preparation method of an oil-water separation titanium mesh with superhydrophilicity / underwater superoleophobicity, comprising the following steps:

[0050] Step 1: Place the titanium mesh substrate with a mesh number of 50-1000 mesh in an ultrasonic cleaner filled with acetone, absolute ethanol and deionized water for 10 minutes to remove surface residues. The ultrasonic frequency is 20-40KHz. The power range is 100-150W. After cleaning, dry the titanium mesh base with cold wind or dry it naturally at room temperature to obtain a clean titanium mesh base;

[0051] Step 2: Using laser processing technology, using a laser beam with a wavelength of 570-1064nm and an average power of less than 300W to perform laser scanning processing on the clean titanium mesh substrate obtained in step 1; the scanning range, scanning trajectory and processing speed of the laser are all controlled by the computer. Program control and setting, after adjusting the relevant process paramet...

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Abstract

The invention relates to a manufacturing method of an oil-water separation metal mesh having super-hydrophilicity / underwater super-lipophobicity, belonging to the technical field of functional materials, and aiming at solving the problems that an oil-water separation mesh film or an oil-water separation mesh is more complicated in manufacturing process and high in price, can not realize large-area preparation, and uses harmful solvents. The manufacturing method of the oil-water separation metal mesh having super-hydrophilicity / underwater super-lipophobicity comprises the following steps: step 1, carrying out ultrasonic cleaning on a substrate of the metal mesh so as to remove residues on the surface of the substrate, and removing the water on the surface of the cleaned substrate of the metal mesh to obtain the clean substrate of the metal mesh; step 2, utilizing a laser processing technology and adopting a short-pulse laser to perform laser scanning processing on the clean substrate, obtained in the step 1, of the metal mesh so as to form micro-nanoscale mastoid structures and nanoscale villi structures on mesh wires of the substrate of the metal mesh; step 3, baking the substrate, subjected to laser processing in the step 2, of the metal mesh in an electrically heated drying oven to obtain the oil-water separation metal mesh.

Description

technical field [0001] The invention belongs to the technical field of functional materials, and in particular relates to a method for manufacturing an oil-water separation metal mesh with superhydrophilic / underwater superoleophobic properties. Background technique [0002] Nowadays, water pollution has become a serious problem. Sewage not only strongly pollutes the environment and ecosystem, but also seriously threatens our life and health. For example, in 2010, a massive oil spill in the Gulf of Mexico led to environmental degradation and economic crisis in the Gulf region. In 2011, about 6.56 liters of crude oil leaked from platform C of the Penglai 19-3 oilfield into Bohai Bay in northern China. In addition, wastewater from industrial processes, such as petrochemical, food, textile, leather and mechanical processing industries, discharges sewage without any treatment, causing lasting irreparable ecological damage. To solve these problems, researchers pay more and more...

Claims

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Application Information

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IPC IPC(8): B01D17/022C02F1/40
CPCB01D17/0202C02F1/40
Inventor 于化东廉中旭许金凯于占江王志超李一全李晓舟弯艳玲董宾徐哲邱荣贤于文川
Owner CHANGCHUN UNIV OF SCI & TECH
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