Plasma Treatment of Polyamide Fabric Surface by Hybrid Corona-Dielectric Barrier Discharge: Material Characterization and Dyeing/Washing Processes

AUTOR(ES)

Gasi, Fernando

FONTE

Mat. Res.

DATA DE PUBLICAÇÃO

28/11/2019

RESUMO

In this study, the hybrid corona-dielectric barrier discharge plasma treatment was employed to modify the physical, chemical and morphological characteristics of a half-knitted fabric composed of 92% polyamide 6.6 and 8% elastane (PA). These properties of the fabric were evaluated by the water contact angle, x-ray diffraction, infrared spectroscopy, scanning electron microscopy and atomic force microscopy techniques. In addition, the dyeing and washing processes were also investigated. A significant reduction of the contact angle was observed for plasma-treated PA. Infrared spectroscopy analyses indicated that C-H, N-H, and N-O groups in PA increased after plasma treatment, explaining the improved coloring strength for the plasma-treated samples when dyed with reactive and acid dyes. A better fixation of dye was also observed after the atmospheric plasma treatment. Furthermore, dyeing with a basic and acid dye caused the dyeability increases for the plasma-treated sample compared with the untreated sample.

Documentos Relacionados

• Characteristics of dielectric barrier discharge reactor for material treatment
• Three cell flying capacitor inverter for dielectric barrier discharge plasma applications
• Physical, Chemical and Morphological Characterization of Polyamide Fabrics Treated with Plasma Discharge
• Surface composition analysis of PP films treated by corona discharge
• Dielectric microwave absorbing material processed by impregnation of carbon fiber fabric with polyaniline