GRAFTING POLY(N-ISOPROPYL ACRYLAMIDE) FROM POLY(VINYLIDENE FLUORIDE) MIROFILTRATION MEMBRANES VIA DIRECT SURFACE-INITIATED ATOM TRANSFER RADICAL POLYMERIZATION AND TEMPERATURE SENSITIVITY
文献类型：期刊论文
| 作者 | Chen, Yiwang1; Xiao, Jichun1; Zhou, Weihua1; Deng, Qilan1; Nie, Huarong1; Wan, Meixiang2; Bai, Fenglian2 |
| 刊名 | SURFACE REVIEW AND LETTERS
 |
| 出版日期 | 2009-02-01 |
| 卷号 | 16期号:1页码:111-121 |
| 关键词 | Poly(Vinylidene Fluoride) Membrane Atrp Temperature Sensitivity |
| ISSN号 | 0218-625X |
| 英文摘要 | Well-defined poly(N-isopropyl acrylamide) (PNIPAAm) brushes on commercial hydrophobic poly(vinylidene fluoride) (PVDF) microfiltration membrane surfaces were prepared, via direct atom transfer radical polymerization (ATRP) with the secondary fluorinated site of PVDF as initiator and water as solvent at 80 degrees C. The effect of solvents on the ATRP was studied in detail. The water as reaction solvent was in favor of surface-initiated ATRP of N-isopropyl acrylamide (NIPAAm) from secondary fluoride of PVDF membranes. The chemical composition and structure of the modified PVDF membrane surfaces were determined by attenuated total reflectance (ATR) Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy. The surface and cross-section morphology of membranes were studied by scanning electron microscopy (SEM). The pore sizes of the pristine PVDF membrane and the PNIPAAm-grafted PVDF membranes were measured using micro-image analysis and process software. The introduction of the well-defined PNIPAAm on the PVDF membrane gave rise to hydrophilicity. Water contact angles of PVDF membranes reduced after the surface grafting of PNIPAAm. Water fluxes and protein solution permeation experiments revealed that the PNIPAAm-grafted PVDF membranes exhibited temperature-responsive permeability. The unique microstructure of PNIPAAm brushes facilitated hydrophilicity below the lower critical solution temperature. |
| 语种 | 英语 |
| WOS记录号 | WOS:000267266300018 |
| 出版者 | WORLD SCIENTIFIC PUBL CO PTE LTD |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/68545]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Chen, Yiwang |
| 作者单位 | 1.Nanchang Univ, Inst Polymer, Nanchang 330031, Peoples R China 2.Chinese Acad Sci, Ctr Mol Sci, Inst Chem, Key Lab Organ Solids, Beijing 100080, Peoples R China |
| 推荐引用方式 GB/T 7714 | Chen, Yiwang,Xiao, Jichun,Zhou, Weihua,et al. GRAFTING POLY(N-ISOPROPYL ACRYLAMIDE) FROM POLY(VINYLIDENE FLUORIDE) MIROFILTRATION MEMBRANES VIA DIRECT SURFACE-INITIATED ATOM TRANSFER RADICAL POLYMERIZATION AND TEMPERATURE SENSITIVITY[J]. SURFACE REVIEW AND LETTERS,2009,16(1):111-121. |
| APA | Chen, Yiwang.,Xiao, Jichun.,Zhou, Weihua.,Deng, Qilan.,Nie, Huarong.,...&Bai, Fenglian.(2009).GRAFTING POLY(N-ISOPROPYL ACRYLAMIDE) FROM POLY(VINYLIDENE FLUORIDE) MIROFILTRATION MEMBRANES VIA DIRECT SURFACE-INITIATED ATOM TRANSFER RADICAL POLYMERIZATION AND TEMPERATURE SENSITIVITY.SURFACE REVIEW AND LETTERS,16(1),111-121. |
| MLA | Chen, Yiwang,et al."GRAFTING POLY(N-ISOPROPYL ACRYLAMIDE) FROM POLY(VINYLIDENE FLUORIDE) MIROFILTRATION MEMBRANES VIA DIRECT SURFACE-INITIATED ATOM TRANSFER RADICAL POLYMERIZATION AND TEMPERATURE SENSITIVITY".SURFACE REVIEW AND LETTERS 16.1(2009):111-121. |
入库方式： OAI收割
来源：化学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。