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Light-driven oil absorption MXene modified melamine sponge and preparation method thereof

A melamine sponge, light-driven technology, applied in separation methods, chemical instruments and methods, other chemical processes, etc., can solve the problems of reduced oil absorption capacity and repeated use performance, and high energy consumption of sponge materials

Pending Publication Date: 2022-05-10
WUHAN INSTITUTE OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This solution uses high-temperature treatment on the material under the protection of inert gas, which not only consumes a lot of energy, but also causes the volume shrinkage of the sponge material to lose part of its elasticity due to carbonization, which will inevitably lead to a decrease in oil absorption capacity and repeated use performance.

Method used

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  • Light-driven oil absorption MXene modified melamine sponge and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] 1) Mix 0.05g MXene, 0.1g polydimethylsiloxane, and 60mL ethyl acetate evenly to obtain solution A, and soak the melamine sponge in solution A for 3h;

[0017] 2) Transfer the sponge-solution A mixture in step 1) to a hydrothermal reactor, heat to 150° C. for insulation reaction for 2 hours, cool to room temperature and take out the sponge;

[0018] 3) placing the melamine sponge obtained in step 2) in an oven, and curing at 60° C. for 3 hours to obtain an MXene-modified melamine sponge.

Embodiment 2

[0020] 1) First mix 0.1g of MXene, 0.2g of polydimethylsiloxane, and 80mL of butyl acetate to obtain solution A, and then soak the melamine sponge in solution A for 2 hours;

[0021] 2) Transfer the sponge-solution A mixture in step 1) into a hydrothermal reaction kettle, heat it to 140° C. for an insulation reaction for 3 hours, cool it to room temperature and take it out;

[0022] 3) The melamine sponge obtained in step 2) is placed in an oven, and cured at 65° C. for 3 hours to obtain an MXene-modified melamine sponge.

Embodiment 3

[0024] 1) First mix 0.05g MXene, 0.3g polydimethylsiloxane, and 80mL ethyl acetate to obtain solution A, and then soak the melamine sponge in solution A for 4h;

[0025] 2) Transfer the sponge-solution A mixture in step 1) into a hydrothermal reaction kettle, heat it to 150° C. for insulation reaction for 2 hours, and take it out after cooling to room temperature;

[0026] 3) The melamine sponge obtained in step 2) was placed in an oven, and was cured at 60° C. for 4 hours to obtain an MXene modified melamine sponge.

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Abstract

The invention relates to a light-driven oil absorption MXene modified melamine sponge and a preparation method thereof.The preparation method comprises the steps that firstly, melamine sponge is soaked in a mixed solution composed of MXene, polydimethylsiloxane and an organic solvent, then the sponge-modified liquid mixture is transferred into a hydrothermal reaction kettle to be subjected to a hydrothermal reaction for 2-3 h at the temperature of 140-150 DEG C, and the MXene modified melamine sponge is obtained; and cooling to room temperature, taking out the sponge, and carrying out heat preservation and curing on the sponge at 60-70 DEG C for 2-4 hours. According to the method, the sponge is modified in a soaking, hydrothermal treatment and thermocuring mode, MXene can be better dispersed and tightly loaded on the sponge through hydrothermal treatment, it is ensured that MXene is not prone to falling off from the sponge in the using process through later thermocuring, the reusability of the treated sponge is greatly improved, and the service life of the sponge is prolonged. The oil-water separation cost is favorably reduced. In addition, the invention also has the advantages of simple preparation process, lower production and use cost, excellent product performance, reusability and the like, and has a better application prospect in the aspect of emergency treatment of crude oil leakage.

Description

technical field [0001] The invention relates to the technical field of melamine sponge materials and water treatment, in particular to a light-driven oil-absorbing MXene modified melamine sponge and a preparation method thereof. Background technique [0002] Environmental pollution, especially water pollution, is one of the urgent problems to be solved in the current human society. In the process of oil production, storage and transportation at sea, due to accidents, abnormal operations and other reasons, problems such as crude oil spillage, discharge and leakage will inevitably occur. For example, blowout accidents during the development of offshore oil fields, oil pipeline leakage accidents, oil tanker leakage accidents, etc. These leaked hydrocarbon crude oil will cause great harm to the marine environment. Once an oil spill occurs, on the one hand, it is necessary to reduce the pollution area as much as possible, and on the other hand, it is necessary to quickly elimina...

Claims

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Application Information

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IPC IPC(8): B01J20/26B01J20/28B01J20/30B01J20/32B01D17/02C08J9/40C08J9/42C08L61/28
CPCB01J20/265B01J20/28045B01J20/3208B01J20/3289B01D17/0202C08J9/40C08J9/42C08J2361/28
Inventor 杨富国王翔宇李亮季家友喻湘华
Owner WUHAN INSTITUTE OF TECHNOLOGY
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