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Title: Fabrication of superhydrophobic polyethylene parts by rotomolding
Authors: Ortega, Zaita 
Díaz, N. 
Alemán-Domínguez, M. E. 
Romero, A.
Monzón, M. D. 
Gómez-Tejedor, J.A.
UNESCO Clasification: 331210 Plásticos
3312 Tecnología de materiales
Keywords: Aluminum
Issue Date: 2016
Journal: International Polymer Processing 
Abstract: In this study, the feasibility of obtaining superhydrophobic polyethylene parts by rotational molding has been confirmed. The superhydrophobicity is obtained through the surface modification of the thermoplastic by using a microrough aluminium mold. The treatment used to create the microroughness of the mold was an electrochemical process followed by heating at 180 ˚C. Once the superhydrophobic aluminium mold has been prepared, several rotomolding cycles were carried out. The mold was then used for obtaining rotomolded test cube parts using a conventional polyethylene grade. The behavior of the parts under a water jet show a superhydrophobic behavior of the surface, fact confirmed by the measurement of contact angles above 145˚.
ISSN: 0930-777X
DOI: 10.3139/217.3161
Source: International Polymer Processing[ISSN 0930-777X],v. 31, p. 104-107
Appears in Collections:Artículos
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