分析了球状大分子合成中的目标产物难分离难纯化的特点,采用纳滤膜分离技术纯化新型纳米材料--球状大分子;通过HPLC和元素分析测试了纯化前后的纯度,证明了纳滤膜是可以提高目标球状大分子的纯度;孔径较大的NF1膜有利于乙二胺的透过,其纯度提高较大,而孔径较小的NF2膜对乙二胺的透过能力下降,所以纯度提高较小.
参考文献
| [1] | Wang XL.;Nakao S.;Kimura S.;Tsuru T. .THE ELECTROSTATIC AND STERIC-HINDRANCE MODEL FOR THE TRANSPORT OF CHARGED SOLUTES THROUGH NANOFILTRATION MEMBRANES[J].Journal of Membrane Science,1997(1):19-32. |
| [2] | Bowen W R;Mukhtar H .Characterization and prediction of separation of nanofiltration membranes[J].Journal of Membrane Science,1996,112:263-274. |
| [3] | 裴玉新;徐又一 .纳滤膜分离技术及其研究进展[J].膜科学与技术,1999,19(05):9-12. |
| [4] | 李连超;谭惠民.纳滤膜技术及其在环保领域中的应用[J].中国环保产业,2003(01):64-66. |
| [5] | 蔡惠如,高从堦.纳滤膜对染料截留行为的研究[J].膜科学与技术,2002(03):1-5. |
| [6] | 王晓琳,张澄洪,欧阳平凯.应用纳滤膜分离糖和盐的实验研究[J].膜科学与技术,2001(01):44-48. |
| [7] | Tomalia D A;Naylor A M;Goddard W A .Starburst dendrimers:Molecular-Level control of size,shape,surface,chemistry,topology,and flexibility from atoms to macrocopic matter[J].Angewandte Chemie International Edition,1990,29:138-175. |
| [8] | Inoue K. .Functional dendrimers, hyperbranched and star polymers[J].Progress in Polymer Science,2000(4):453-571. |
| [9] | Tomalia D A;Barker H;Dewald J et al.A new class of polymers:Starburst-dendritic macromolecules[J].Polymer Journal,1985,17(01):117-132. |
| [10] | Jain N K.Dendrimer:A novel drug delivery system with future[A].,1998:846. |
| [11] | Tomalia D A;Dewald J R .Dense star polymers having two demensional molecular diameter[P].US 4587329,1986. |
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