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Revista Colombiana de Química
Print version ISSN 0120-2804On-line version ISSN 2357-3791
Abstract
GUTIERREZ, Luis A; MARTINEZ, Sugey M and SIERRA, César A.. DEVELOPMENT OF A POLYMERIC FILM WITH ANTI-FOGGFNG PROPERTIES. Rev.Colomb.Quim. [online]. 2011, vol.40, n.1, pp.65-77. ISSN 0120-2804.
In search of a film with optimal antifogging properties, low density polyethylene (LDPE) was selected as polymeric matrix, and one of the following four additives were incorporated into the film by an extrusion process: polysorbate 80, sorbitan oleate, glycerol monooleate and glyceride mixture, each of them in 3 different concentrations. Measures of surface tension, light transmission, contact angles, and qualitative cold fogging test were made to assess the efficiency of fog resistant in all packages. The results suggest that the film with sorbitan oleate (1%) presents the best antifogging properties.
Keywords : Anti-fog film; polyethylene; extrusion; antifogging properties.