A kind of preparation method of oil-water separation material with excellent stability

Abstract

The present invention relates to a preparation method of an oil-water separation material with excellent stability. The preparation steps are as follows: take 4 cm × 4 cm cotton cloth, place it in 30 ml of absolute ethanol solution, ultrasonically wash and dry it for use, and take 0.3 ml KH570 Coupling agent (γ-methacryloxypropyltrimethoxysilane), dissolved in 20 ml of deionized water and 2 ml of ammonia solution, placed cotton in the solution, stirred at 60°C for 6 hours , to obtain KH570-grafted cotton cloth; arrange KH570-grafted cotton in a beaker and stir, add 0.3 g SBMA ([2-(methacryloyloxy) ethyl] dimethyl-(3-sulfonic acid propyl ) ammonium hydroxide) and 0.01 g AIBN initiator, initiate free radical polymerization reaction on the surface of cotton cloth, stir at 60°C for 6 hours, the prepared modified cotton cloth still has good stability in the complex environment of strong acid and strong alkali properties, expanding the application range of the material, and laying a good foundation for the large-scale application of oil-water separation sponge.

Description

technical field [0001] The invention relates to a preparation method of an oil-water separation material with excellent stability, and belongs to the technical field of superhydrophobic oil-water separation. Background technique [0002] In recent years, with the rapid development of industrialization, oil and water pollution has become more and more serious, especially oil pollutants in water and crude oil spills have seriously endangered the ecological balance and damaged the social environment, such as the oil spill in the Gulf of Mexico in the United States and the oil spill in Penglai Oilfield, etc. , so that the solution to oil spill pollution has become a problem that people have to pay attention to. According to incomplete statistics, the global economic loss caused by the destruction of the marine ecological environment is as high as 13 billion U.S. dollars every year, and about 92% of it is due to sudden marine oil spills. As well as the oil pollution caused by ind...

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Problems solved by technology

[0002] In recent years, with the rapid development of industrialization, oil and water pollution has become more and more serious, especially oil pollutants in water and crude oil spills have seriously endangered the ecological balance and damaged the social environment, such as the oil spill in the Gulf of Mexico in the United States and the oil spill in Penglai Oilfield, etc. , so that the solution to oil spill pollution has become a problem that people have to pay attention to. According to incomplete statistics, the global economic loss caused by the destruction of the marine ecological environment is as high as 13 billion U.S. dollars every year, and about 92% of it is due to sudden marine oil spills. As well as the oil pollution caused by industrial wastewater, when the seawater surface is polluted by oil bodies, the oil bodies quickly form an airtight oil film on the seawater surface, which affects the reoxygenation of the water body, and the fish will become smelly within 24 hours, seriously It affects the living environment of plankton in the ocean and destroys the ecological balance of the ocean. Therefore, it is an extremely important task to develop a new and efficient oil-water separation material to solve oil spills and organic solvent pollution.

[0003] However, most of the current oil-water separation materials face a series of problems such as complex preparation process, low separation flux and inability to be used in harsh environments, which limit the large-scale application of oil-water separation materials.

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