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1.西南石油大学材料科学与工程学院 新能源材料及技术研究中心 成都 610500
2.中国科学院成都有机化学研究所 成都 610041
武元鹏,E-mail:ypwu@swpu.edu.cn Yuan-peng Wu,E-mail:ypwu@swpu.edu.cn
纸质出版日期:2016-11,
收稿日期:2016-1-29,
修回日期:2016-3-31,
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武元鹏, 杨浩, 朱尚国, 林元华, 郑朝晖, 丁小斌. 4-叔丁基苯乙烯和甲基丙烯酸甲酯共聚物磁性吸油树脂[J]. 高分子学报, 2016,(11):1599-1605.
Yuan-peng Wu, Hao Yang, Shang-guo Zhu, Yuan-hua Lin, Zhao-hui Zheng, Xiao-bin Ding. Magnetic Responsive Oil-absorbing Polymeric Resins Based on 4-
武元鹏, 杨浩, 朱尚国, 林元华, 郑朝晖, 丁小斌. 4-叔丁基苯乙烯和甲基丙烯酸甲酯共聚物磁性吸油树脂[J]. 高分子学报, 2016,(11):1599-1605. DOI: 10.11777/j.issn1000-3304.2016.16046.
Yuan-peng Wu, Hao Yang, Shang-guo Zhu, Yuan-hua Lin, Zhao-hui Zheng, Xiao-bin Ding. Magnetic Responsive Oil-absorbing Polymeric Resins Based on 4-
以4-叔丁基苯乙烯(
t
BS)和甲基丙烯酸甲酯(MMA)为单体,二乙烯基苯(DVB)为交联剂,与双键修饰的Fe
3
O
4
纳米粒子共聚,制备了一系列基于
t
BS和MMA的磁性高分子吸油树脂.用红外光谱(FTIR)、X-射线衍射(XRD)、光学显微镜(OM)、扫描电子显微镜(SEM)、接触角(CA)和比表面积测试等技术对样品进行了表征.详细考察了两单体配比、交联剂用量对树脂的吸附容量、吸附速率的影响规律.实验发现,当两单体用量分别为2 mL,交联剂为0.5 mL时,磁性吸油树脂的吸油性能达到最好.
Monolithic oil-absorbing polymers with magnetic responsiveness were prepared through solution radical polymerization combining with freeze-drying technology.A series of the polymer resins were first synthesized using different amount of 4-tert-butyl-styrene (
t
BS) and methyl methacrylate (MMA) in the presence of Fe
3
O
4
nanoparticles
which were modified by methacryloxy propyl trimethoxyl silane prior to the synthesis.Divinylbenzene (DVB) was used as cross linking agent and azodiisobutyronitrile as initiator in the polymerization carried out at 80℃ for 6 h.The obtained polymers were washed by ethanol/water several times and then freeze dried to obtain monolithic polymeric resins.The as-prepared monolithic polymers were characterized by Fourier transform infrared spectroscopy
X-ray diffraction
scanning electronic microscopy
optical microscope and contact angles of water droplet on the surface of polymers.Effects of molar ratio of MMA/
t
BS
DVB amount on the oil absorption capacities and absorption rate were investigated in detail.Oil-absorbing polymeric resins with optimized property were prepared by selecting MMA as 2 mL
t
BS as 2 mL and DVB as 0.5 mL.The polymeric resins are hydrophobic and oleophilic.They can absorb more than 10 times of their own weight for different organic solvents and oils
such as dimethylbenzene
dichloroethane
ethyl acetate
n
-hexane
cyclohexane
trichloromethane
engineering and crude oil.And the oil-saturated absorption can be achieved within 20 min.The polymeric resins can also effectively absorb organic solvents from the oil/water mixture and the polymers still float on the surface of water.The oil-saturated polymer resins can be easily separated and collected from the surface of water by applying an external magnet.Furthermore
after the treatment of the absorbed oil
the polymer resins can be reused for oil absorption.The monolithic polymers can be recycled more than 10 times without obvious damaged.These magnetic oil-absorbing polymeric resins are potential candidates for dealing with oil spills.
4-叔丁基苯乙烯甲基丙烯酸甲酯Fe3O4纳米粒子吸油树脂
4-Tert-butyl-styreneMethyl methacrylateFe3O4 nanoparticlesOil-absorption polymers
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