Fabrication of superhydrophobic surface of stearic acid grafted zinc by using an aqueous plasma etching technique

Central European Journal of Chemistry - Tập 10 - Trang 1766-1772 - 2012
Jinzhang Gao1, Yaping Li1, Yan Li1, Hongwei Liu1, Wu Yang1
1Chemistry & Chemical Engineering College, Northwest Normal University, Lanzhou, P. R. China

Tóm tắt

A stable superhydrophobic surface of stearic acid grafted zinc was fabricated with two steps, that is, the zinc surface was firstly treated with glow discharge electrolysis plasma (GDEP) and then followed by a grafted reaction of stearic acid onto the treated zinc surface. Results indicated that the wettability of zinc substrate changed from superhydrophily to superhyphodrobicity with a water contact angle (CA) up to 158° and a water sliding angle (SA) less than 5°. The surface morphology and composition were characterized by scanning electron microscopy (SEM) and X-ray diffraction (XRD), respectively.

Tài liệu tham khảo

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