Impregnación en CO2 supercrítico de diferentes sustratos poliméricos, como alternativa a los tratamientos textiles, comúnmente empleados en el Mediterráneo

  1. Micó Vicent, Bàrbara
  2. Martínez Verdú, Francisco M.
  3. Moltó Pérez, Roberto
  4. Gilabert, Eduardo J.
  5. Fagés Santana, Eduardo
  6. Casas, Elvira
Journal:
Mediterránea: Serie de Estudios Biológicos

ISSN: 1130-6203,  1988-6624

Year of publication: 2011

Issue: 22

Pages: 73-100

Type: Article

DOI: 10.14198/MDTRRA2011.22.03 DIALNET GOOGLE SCHOLAR lock_openRUA editor

More publications in: Mediterránea: Serie de Estudios Biológicos

Abstract

In this paper has done an impregnation with biocides agents, and a textile dye, commonly used in textile finishing processes, for different polymeric substrates. In this study has selected the Disperse Red 167 dye (DR167), by comparing solubility in supercritical CO2 (scCO2). Biocide agents have been selected, oil of cloves (eugenol) and essential oil of oregano. Impregnation has been made of different polymeric substrates; polyester (PES), polypropylene (PP), and cotton (CO), under different conditions. Finally impregnations were performed using relative concentrations of DR167. The main objective is to determine an optimum process condition for each substrate. To determine the yield of DR167 are shown scCO2 color diagrams of the samples, dyed under different conditions. PES samples shows the best color results, knowing than this is the only fiber that had affinity for the DR167. To analyze the inhibition bacterial effect, have been done antimicrobial activity test, and fungicidal activity test. It's shows that, if there was some inhibitory activity against some microorganism such as Staphylococcus aureus, while there was no significant inhibitoy activity against Pseudomonas aereuginosa.

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