Preparation of a superhydrophobic rough surface
β Scribed by Hoon Joo Lee; Stephen Michielsen
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 403 KB
- Volume
- 45
- Category
- Article
- ISSN
- 0887-6266
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β¦ Synopsis
Abstract
The relationship between the contact angles, surface tension, and surface roughness is reviewed. Numerical formulas related to the superhydrophobic rough surfaces of polymers are predicted with two approaches, the Wenzel and CassieβBaxter models. With these models as a guide, an artificial superhydrophobic surface is created. Rough nylon surfaces mimicking the lotus leaf are created by the coating of a polyester surface with nylonβ6,6 short fibers via the flocking process. Poly(acrylic acid) chains aregrafted onto nylonβ6,6 surfaces, and this is followed by the grafting of 1__H,1__Hβperfluorooctylamine onto the poly(acrylic acid) chains. Water contact angles as high as 178Β° are achieved. Β© 2006 Wiley Periodicals, Inc. J Polym Sci Part B: Polym Phys 45: 253β261, 2007.
π SIMILAR VOLUMES
A novel approach was investigated to obtain the superhydrophobicity on surfaces of boron nitride films. In this method boron nitride films were deposited firstly on Si(1 0 0) and quartz substrate using a radio frequency (RF) magnetron sputtering system, and then using CF 4 plasma treatment, the topm
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