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Preparation method of styrene and methyl methacrylate copolymerized magnetic oil absorbing material

A methyl methacrylate, styrene technology, applied in chemical instruments and methods, other chemical processes, etc., can solve problems such as being unsuitable for large-scale production, unsuitable for recycling, and complex experimental procedures, and achieve good lipophilicity and protection. The effect of oil performance, high yield, and simple experimental operation

Inactive Publication Date: 2015-09-09
NANJING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing problems are: the experimental process is complicated, not suitable for large-scale production; and it is difficult to recycle, not suitable for recycling

Method used

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  • Preparation method of styrene and methyl methacrylate copolymerized magnetic oil absorbing material
  • Preparation method of styrene and methyl methacrylate copolymerized magnetic oil absorbing material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Example 1: Preparation of styrene and methyl methacrylate copolymerized magnetic oil-absorbing material

[0026] Sequentially weigh and weigh 0.3g250nm Fe 3 o 4 , 10ml of oleic acid in a three-necked flask, heated and stirred at 80°C for 1h, so that oleic acid can fully modify Fe 3 o 4 ; then add 2g styrene, 2g methyl methacrylate, 0.4g divinylbenzene, and continue to stir for 5 minutes; then weigh 1g PEG1000 and add it into 100ml deionized water, ultrasonically oscillate until dissolved, then add it to a three-necked flask and stir at 60°C Heat for half an hour; finally weigh 1g of benzoyl peroxide, dissolve it in 20ml of ethanol, and put it into a three-neck flask after dissolving; finish the reaction after 4 hours at 80°C, wash it with water and ethanol three times, and dry it in an oven at 40°C for later use .

[0027] Such as figure 1 As shown, the styrene and methyl methacrylate copolymerized magnetic oil-absorbing materials prepared in Example 1 are respecti...

Embodiment 2

[0028] The styrene and methyl methacrylate copolymerized magnetic oil-absorbing material obtained in Example 1 was tested for the adsorption performance of diesel oil. Specific test method: in a surface area of ​​170cm 2 Inject a certain amount of deionized water into the watch glass, and then use a graduated cylinder to measure 4ml diesel oil on the water surface to simulate a thin layer of oil film on the water surface. Put 0.5g of oil-absorbing material on the oily surface, and the diesel oil quickly soaks the oil-absorbing material until it reaches adsorption saturation. Finally, the oil-absorbing material was taken out and weighed, and the measured oil absorption was 3.1 g / g. Adsorption ratio = (total mass of material after oil absorption - mass of adsorbent material) / mass of adsorbent material Regeneration method of oil absorbing material: ethanol as solvent, and diesel oil in the material is extracted after ultrasonic oscillation. The material is then drawn away from...

Embodiment 3

[0031] Example 3: Preparation of styrene and methyl methacrylate copolymerized magnetic oil-absorbing material

[0032] Sequentially weigh and weigh 0.3g250nm Fe 3 o 4 , 10ml of oleic acid in a three-necked flask, heated and stirred at 80°C for 1h to fully modify Fe3O4 with oleic acid; then add 2g of styrene, 2g of methyl methacrylate, 0.4g of divinylbenzene, and continue stirring for 5min; then weigh 0.5 Add g PEG1000 into 100ml of deionized water, oscillate ultrasonically until dissolved, then add to a three-necked flask, stir, and heat at 60°C for half an hour; finally weigh 1g of benzoyl peroxide, dissolve it in 20ml of ethanol, dissolve and add to the three-necked flask; After 6 hours of reaction at 80°C, it was finished, washed three times with water and ethanol, and dried in an oven at 40°C for later use.

[0033] The styrene and methyl methacrylate copolymerized magnetic oil-absorbing material obtained in Example 3 was tested for the adsorption performance of diesel ...

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Abstract

The invention discloses a preparation method of a styrene and methyl methacrylate copolymerized magnetic oil absorbing material. During preparation of the styrene and methyl methacrylate copolymerized magnetic oil absorbing material, surfactant PEG (polyethylene glycol) 1000 serves as emulsifier and stabilizer, magnetic Fe3O4 serves as co-stabilizer, styrene and methyl methacrylate serve as monomer, divinylbenzene serves as cross-linking agent, and benzoyl peroxide serves as initiator. The method has the advantages that ferroferric oxide is modified by oleic acid and can be mixed with the oily monomer styrene and the methyl methacrylate well, oil and water which are not compatible can be converted into emulsion which is hard to layer by the PEG1000 which serves as the emulsifier, surface tension is reduced, and each liquid has certain surface tension; when the emulsifier is added into water, the surface tension of the water is reduced obviously, a system is allowed to be stable, and the styrene and methyl methacrylate copolymerized magnetic oil absorbing material can exist stably at high temperature; the prepared styrene and methyl methacrylate copolymerized magnetic oil absorbing material has a developed pore structure, is excellent lipophilic-hydrophobic property, can float on water surface and is good in absorption effect on most of oil pollutions.

Description

technical field [0001] The invention relates to a method for preparing a styrene and methyl methacrylate copolymerized magnetic oil-absorbing material, belonging to the field of material preparation. Background technique [0002] In recent years, sudden water pollution accidents have occurred frequently in my country. With the further development of industrial society, drilling leaks, factories smuggling oil pollution and other behaviors have greatly aggravated the pollution of water bodies. Oil pollution has seriously affected human health and the ecological environment. 2 Since the Qingdao oil pipeline explosion pollution incident occurred on November 22, 2013, water quality safety has once again highly affected people's nerves. Oil pollutants not only have an impact on the natural ecological environment, but also gradually pose a huge threat to human beings. Studies have shown that toxic and harmful substances in gasoline, diesel, and kerosene are harmful to the human n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F212/08C08F220/14C08F212/36C08F2/30C08F2/44C08K9/04C08K3/22C09K3/32
Inventor 姜炜陆月谢覃张娜彭铮钟素婷张宁周帅李芳王玉姣
Owner NANJING UNIV OF SCI & TECH
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