VASILICA  POPESCU,  ION SANDU, EMIL IOAN MURESAN, BOGDAN ISTRATE, GABRIELA LISA <br>Effects of the Pre-treatment with Atmospheric - Air Plasma Followed by Conventional Finishing

VASILICA POPESCU, ION SANDU, EMIL IOAN MURESAN, BOGDAN ISTRATE, GABRIELA LISA
Effects of the Pre-treatment with Atmospheric - Air Plasma Followed by Conventional Finishing

Abstract:

The atmospheric-air plasma pre-treatment (the DBD method) determined the creation of a polar group, thus improving the reactivity of some textile supports. The experiments were carried out on fabrics made of 100% polyester (PET) and PET blended with cotton. The subsequent chemical treatment, consisting in grafting three long-chains substances rich in functional groups, occurred much easier. The grafting agents were applied on the textile material pre-treated with plasma, through three successive pad-dry-cure technologies. The FTIR analysis set off the modifications appeared both after the plasma treatment, and at the end of the chemical treatment. The comparative analysis of the contact angles, wrinkle-recovering angles, breaking stresses, treatment durability, dyeability and color measurements was performed on textile supports, both untreated and treated with plasma and then grafted. It was found that the performed physico-chemical treatments are complementary and they have a synergetic effect, resulting in the increase of wettability, dyeability, durability and WRA values. Keywords: Atmospheric air-plasma, dielectric barrier discharge, pad-dry-cure, grafting, FTIR, water contact angle

Issue: 2014, Volume 65, Issue 6

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