将纳米二氧化钛(TiO2)添加到乙酸纤维素铸膜液中,利用相分离法制备乙酸纤维素/纳米TiO2复合微滤膜,通过扫描电镜(SEM)、透射电镜(TEM)、接触角测定、孔分析以及微滤实验研究了纳米TiO2的添加量对膜性能的影响.结果表明:随着纳米TiO2添加量的不同,膜表现不同的微结构和性能;当TiO2粒子用量在质量分数3%时,复合膜表现出最优异的渗透、亲水、抗压实以及耐污染等性能,同时,对油水混合乳液的油截留率基本保持不变.TiO2粒子的质量分数超过3%时,复合膜中的纳米粒子出现团聚现象,孔隙率和微滤性能均下降.
参考文献
| [1] | Elizabeth Arkhangelsky;Uri Goren;Vitaly Gitis .Retention of organic matter by cellulose acetate membranes cleaned with hypochlorite[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2008(1/3):97-105. |
| [2] | Kusumocahyo SP.;Kanamori T.;Iwatsubo T.;Sumaru K.;Shinbo T. .Development of polyion complex membranes based on cellulose acetate modified by oxygen plasma treatment for pervaporation[J].Journal of Membrane Science,2002(1/2):223-231. |
| [3] | Wen-Li Chou;Da-Guang Yu;Ming-Chien Yang .Effect of molecular weight and concentration of PEG additives on morphology and permeation performance of cellulose acetate hollow fibers[J].Separation and Purification Technology,2007(2):209-219. |
| [4] | Cailing Lv;Yanlei Su;Yanqiang Wang;Xiaole Ma;Qiang Sun;Zhongyi Jiang .Enhanced permeation performance of cellulose acetate ultrafiltration membrane by incorporation of Pluronic F127[J].Journal of Membrane Science,2007(1/2):68-74. |
| [5] | Li ZS;Ren JZ;Fane AG;Li DF;Wong FS .Influence of solvent on the structure and performance of cellulose acetate membranes[J].Journal of Membrane Science,2006(1/2):601-607. |
| [6] | Valente A J M;Burrows H D;Polishchuk A Y et al.Permeation of sodium dodecyl sulfate through polyaniline-modifie cellulose acetate membranes[J].Polymer,2005,46:5918-5928. |
| [7] | Valente AJM;Polishchuk AY;Burrows HD;Lobo VMM .Permeation of water as a tool for characterizing the effect of solvent, film thickness and water solubility in cellulose acetate membranes[J].European Polymer Journal,2005(2):275-281. |
| [8] | Barbar R;Durand A;Ehrhardt JJ;Fanni J;Parmentier M .Physicochemical characterization of a modified cellulose acetate membrane for the design of oil-in-water emulsion disruption devices[J].Journal of Membrane Science,2008(1/2):446-454. |
| [9] | Mahendran R.;Malaisamy R.;Mohan D. .Preparation, characterization and effect of annealing on performance of cellulose acetate/sulfonated polysulfone and cellulose acetate/epoxy resin blend ultrafiltration membranes[J].European Polymer Journal,2004(3):623-633. |
| [10] | 刘平,林华香,付贤智,孟春.掺杂TiO2光催化膜材料的制备及其灭菌机理[J].催化学报,1999(03):325-328. |
| [11] | Bottino A;Capannelli G;Comite A .Preparation and characterization of novel porous PVDF-ZrO2 composite membranes[J].Desalination,2002,146:35-40. |
| [12] | Bottino A;Capannelli G;Astiv D et al.Preparation and properties of novel organic-inorganic porous mem-ranes[J].Separation and Purification Technology,2001,22-23:269-227. |
| [13] | Genne I;Kuypers S;Leysen R .Effect of the addition of ZrO2 to polysulfone based UF membrane[J].J Member Sic,1996,113:343-350. |
| [14] | Zhaobin Tang;Peng Liu;Jinshan Guo;Zhixing Su;Chao Yang .Surface Treatment Of Cofe_2o_4 Nanoparticles To Improve Their Dispersibility In Aqueous Phase With New Fluorine-contain Polymers[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2008(5P1):2125-2128. |
| [15] | Dash S;Mishra S;Patel S;Mishra BK .Organically modified silica: Synthesis and applications due to its surface interaction with organic molecules[J].Advances in colloid and interface science,2008(2):77-94. |
| [16] | Nakayama N;Hayashi T .Preparation of TiO2 nanoparticles surface-modified by both carboxylic acid and amine: Dispersibility and stabilization in organic solvents[J].Colloids and Surfaces, A. Physicochemical and Engineering Aspects,2008(1/3):543-550. |
| [17] | Zhang Z H;Shen Z;Shao C S.The adsorption and organic modification of titanium dioxide[J].China Surf Deterg Cosm,1997(05):13-15. |
| [18] | Yang Yanan;Zhang Huixuan;Wang Peng et al.The influence of nano-sized TiO2 fillers on the morphologies and properties of PSF UF membrane[J].Journal of Membrane Science,2007,228:231-239. |
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