Novel approach to fabricate a stable superhydrophobic polycarbonate

被引：24

作者：

Sabry, Raad S. ^{[1
]}

Al-Mosawi, Muntazer I. ^{[1
]}

机构：

[1] Al Mustansiriyah Univ, Coll Sci, Phys Dept, Baghdad, Iraq

来源：

SURFACE ENGINEERING | 2018年 / 34卷 / 02期

关键词：

Superhydrophobic surfaces; phase separation; hierarchical structures; polycarbonate; solvent/non-solvent; THERMAL-DEGRADATION; SURFACES; TRANSFORMATION; POLYMERS; FIBERS; LOTUS;

D O I：

10.1080/02670844.2016.1270620

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A novel approach to fabricating a stable superhydrophobic PC using a phase separation method and selecting a solvent/non-solvent without requiring any surface chemical modification and high chemical stability was proposed in this paper. A systematic study of the dependence of surface morphology on the acetone/DMF solvent mixture treatment was conducted. Resulting surfaces demonstrated that the water CA of the superhydrophobic PC surface was 160 +/- 2 degrees. FESEM showed that the surface structure comprised branches or petals outside the 'plant seabeds', which have microflowers that offer nanoscaled roughness on the surface with a hierarchical micro-/nano-binary formation. All samples were maintained at 10-40 degrees C in ambient atmosphere for 5 h to 4 months to test the stability of the surface. The CAs were measured for each condition with very little change observed. In addition, the PC surface remained superhydrophobic without any contamination after water was sprayed on it.

引用

页码：151 / 157

页数：7

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