PREPARATION OF HYDROPHOBIC SURFACE BASED ON HYBRID SILICA FILMS BY SOL-GEL PROCESS

被引：0

作者：

Spataru, Catalin Ilie ^{[1
]}

Purcar, Violeta ^{[1
]}

Donescu, Dan ^{[2
]}

Ghiurea, Marius ^{[2
]}

Cinteza, Otilia ^{[3
]}

Miclaus, Teodora ^{[3
]}

机构：

[1] Natl R&D Inst Chem & Petrochem, Polymer Dept, Bucharest, Romania

[2] Natl R&D Inst Chem & Petrochem, Polymer Dept Bucharest, Bucharest, Romania

[3] Univ Politehn Bucuresti, Phys Chem Dept, Bucharest, Romania

来源：

UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN SERIES B-CHEMISTRY AND MATERIALS SCIENCE | 2013年 / 75卷 / 04期

关键词：

sol-gel process; silica films; hydrophobicity; surface energies; organic-inorganic hybrids;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The most important and generally accepted way to characterize highly hydrophobic surfaces is by their wettability. This property involves a contact angle (CA) measurement between a surface and a liquid droplet. There were obtained nanostructured silica thin films from organo-modified silane precursors; a systematic study on the modification of film-forming hybrids surfaces obtained by co-hydrolysis and polycondensation of tetramethoxysilane with different alkyltrialkoxysilanes was performed. The analysis of the surface energy by contact angle method allows the determination of surface energy components and their correlation with wetting properties. The properties of the final hybrids obtained by the sol-gel process were significantly affected by the precursor alkyl chain lengths.

引用

页码：117 / 128

页数：12

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