Double side self-cleaning polymeric materials: The hydrophobic and photoactive approach

被引:16
作者
Soliveri, G. [1 ,2 ]
Sabatini, V. [1 ,3 ]
Farina, H. [1 ,3 ]
Ortenzi, M. A. [1 ,3 ]
Meroni, D. [1 ,2 ]
Colombo, A. [1 ]
机构
[1] Univ Milan, Dipartimento Chim, I-20133 Milan, Italy
[2] Consorzio Interuniv Nazl Sci & Tecnol Mat INSTM, I-50121 Florence, Italy
[3] Univ Milan, Dipartimento Chim, CRC Mat Polimer PMLab, I-20133 Milan, Italy
关键词
Self-cleaning polymeric materials; Anti-stain surfaces; Photoactive titania; Sulfonated polyethersulfone; Ionic liquids; Hydrophobic films; TIO2; FILMS; REMOTE OXIDATION; SOLID-SURFACES; TRANSPARENT; DEPOSITION; MEMBRANES;
D O I
10.1016/j.colsurfa.2015.06.059
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Providing self-cleaning properties to polymeric materials has become a pressing issue for a number of applications ranging from building materials to solar panel covers or domestic uses. Highly versatile multilayer polymeric/TiO2 composites with double self-cleaning properties implying both photo-oxidation and anti-sticking are here proposed. The hydrophobic side was obtained by synthesizing UV and thermal resistant sulfonated polyethersulfone (SPES) by a novel procedure involving the use of hydrophobic ionic liquids and controlling the morphology during deposition. On the other side, the photo-active self-cleaning titania obtained by an ad hoc procedure (developed to preserve the polymeric support features) maintains the material clean upon light exposure. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:285 / 291
页数:7
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