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Preparation method of anti-pollution and super-hydrophilic oil-water separation mesh

An oil-water separation net, super-hydrophilic technology, applied in separation methods, immiscible liquid separation, liquid separation, etc., can solve the problems of poor reusability, high preparation cost, oil pollution, etc., and achieve high mechanical strength and effect. Obvious and inexpensive effect

Inactive Publication Date: 2017-05-31
CHANGZHOU TANXING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the oil-water separation omentum prepared by this technology currently has the problems of being easily polluted by oil, poor reusability, and high production cost.

Method used

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  • Preparation method of anti-pollution and super-hydrophilic oil-water separation mesh
  • Preparation method of anti-pollution and super-hydrophilic oil-water separation mesh
  • Preparation method of anti-pollution and super-hydrophilic oil-water separation mesh

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] (1) The 400-mesh stainless steel mesh was immersed in ethanol and ultrasonically cleaned for 5 minutes, then soaked in acetic acid aqueous solution for ultrasonic cleaning for 5 minutes to remove impurities and particles on the surface, increase its roughness, and dry at room temperature to obtain the treated stainless steel mesh;

[0026] (2) At normal temperature, in a 100ml beaker, add 50g of ethanol and 0.025g of graphite oxide, and use a cell pulverizer to vibrate ultrasonically to obtain a graphene oxide solution with a mass fraction of 0.05%, then add 2.5g of PAA to form Mass fraction is the graphene oxide solution of the PAA of 5%;

[0027] (3) adding mass fraction to the graphene oxide solution of PAA in step (2) is 0.05% N, N-methylenebisacrylamide and 0.05% polyoxyethylene polyoxypropylene ether block copolymer, Heat and stir with a magnetic stirrer, the heating temperature is 50°C, and the stirring rate is 300r / min, to obtain the polymer solution;

[0028] ...

Embodiment 2

[0034] (1) The 80-mesh stainless steel mesh was successively immersed in ethanol for ultrasonic cleaning for 5 minutes, soaked in acetic acid aqueous solution for ultrasonic cleaning for 5 minutes, removed impurities and particles on the surface, increased its roughness, and dried at room temperature to obtain the treated stainless steel mesh;

[0035] (2) At room temperature, add 50 g of methanol and 0.5 g of graphite oxide in a 100 ml beaker, and ultrasonically vibrate with a cell pulverizer to obtain a graphene oxide solution with a mass fraction of 1%, then add 10 g of PEG to form a mass A graphene oxide solution with a fraction of 20% PEG;

[0036] (3) 2,2-bis[4-(2,3-epoxypropoxy)phenyl]propane and 5% mass fraction are added to the graphene oxide solution of PEG in step (2) again Fatty alcohol polyoxyethylene ether sodium sulfate was heated and stirred by a magnetic stirrer, the heating temperature was 100°C, and the stirring rate was 1000r / min to obtain the polymer solut...

Embodiment 3

[0040](1) The 800-mesh stainless steel mesh was immersed in ethanol and ultrasonically cleaned for 5 minutes, then soaked in an aqueous acetic acid solution for ultrasonic cleaning for 5 minutes to remove impurities and particles on the surface, increase its roughness, and dry at room temperature to obtain the treated stainless steel mesh;

[0041] (2) under normal temperature, in the beaker of 100ml, add the dimethyl sulfoxide of 50g and the graphite oxide of 1g, utilize cell pulverizer ultrasonic oscillation, obtain the graphene oxide solution that mass fraction is 2%, add the PA of 20g again, Be made into the graphene oxide solution that mass fraction is the PA of 40%;

[0042] (3) adding mass fraction to the graphene oxide solution of PA in step (2) again is 10% 2,5-dimethyl-2,5-di-tert-butylperoxyhexane and 10% heavy alkane Base benzene sulfonate was heated and stirred by a magnetic stirrer, the heating temperature was 200°C, and the stirring rate was 2600r / min to obtain ...

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Abstract

The invention relates to the technical field of new environment-friendly materials, in particular to a preparation method of an anti-pollution and super-hydrophilic oil-water separation mesh. The preparation method comprises the following steps: adding graphite oxide into an organic solvent to obtain a graphene oxide solution; adding a film-forming material into the graphene oxide solution, and evenly stirring; then, adding a crosslinking agent and a surface active agent, and heating to obtain a polymer solution; soaking a stainless steel mesh into the polymer solution, and drying the soaked stainless steel mesh by heating so as to obtain the anti-pollution and super-hydrophilic oil-water separation mesh. The anti-pollution and super-hydrophilic oil-water separation mesh prepared by the invention has the characteristics of being anti-pollution, high in mechanical strength, obvious in dynamic oil-water separation effect, low in preparation cost, and the like, and has good commercial prospect in the technical field of special infiltration interfaces.

Description

technical field [0001] The invention relates to the technical field of new environmental protection materials, in particular to a preparation method of an anti-pollution super-hydrophilic oil-water separation net. Background technique [0002] Most of the water pollution incidents in recent years are oil pollution, and the oily wastewater is discharged without treatment, which not only affects the safety of the ecological environment, but also causes waste for the recycling and utilization of oil resources. Oil-water separation using the special wettability of solid surfaces to liquids has become a research hotspot today, and the use of special wettability separation filter membranes has gradually become the main measure to solve sewage treatment and oil purification at home and abroad. However, the oil-water separation omentum prepared by this technology currently has the problems of being easily contaminated by oil, poor reusability, and high preparation cost. Contents o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/40B01D17/022
CPCB01D17/02C02F1/40
Inventor 许莽毕恒昌杨霄霄韩龙祥
Owner CHANGZHOU TANXING TECH CO LTD
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