Preparation of a novel composite based polyester nonwovens with high mechanical resistance and wash fastness properties

Ahmed Abed (1) , Nabil Bouazizi (1) , Stéphane Giraud (1) , Ahmida El Achari (1) , Christine Campagne (1) , Olivier Thoumire (2) , Reddad El Moznine (3) , Omar Cherkaoui , Julien Vieillard (4) , Abdelkrim Azzouz (5)

1 GEMTEX - Génie et Matériaux Textiles
2 PBS - Polymères Biopolymères Surfaces
3 UCD - Université Chouaib Doukkali
4 COBRA - Chimie Organique et Bioorganique : Réactivité et Analyse
5 UQAM - Université du Québec à Montréal = University of Québec in Montréal

In this work, polyester fiber (PET) were functionalized by oxides (Ox) like titanium dioxide (TiO2), zinc oxide (ZnO) and silicon dioxide (SiO2), using polyvinylidene fluoride (PVDF) as binder to obtain a PET-PVDF-Ox material. Chitosan polymer (CT) was further grafted as coating layer to improve the surface compatibility, resulting in the PET-PVDF-Ox-CT composite. The obtained products were thermally pressed and fully characterized. The chemical coatings, physical and thermal properties were investigated. It was found that coated PET nonwoven is highly hydrophobic materials with good diffusion resistance. Incorporation of TiO2, ZnO and SiO2 resulted in the formation of strong cross-linked CT network, producing improved dripping resistance of PET nonwoven. In addition, the modification steps allowed increasing significantly the mechanical resistance. This was explained in terms of improved surface compatibly and interfacial bonding occurred in the matrix. Moreover, soil release tests confirmed the high durability against washing for PET-PVDF-Ox-CT composite. This work allowed developing a facile process for the fabrication of new composite based nonwovens with satisfactory durability and high mechanical resistance.

Domaines: Chimie

Ahmed Abed, Nabil Bouazizi, Stéphane Giraud, Ahmida El Achari, Christine Campagne, et al.. Preparation of a novel composite based polyester nonwovens with high mechanical resistance and wash fastness properties. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2019, 577, pp.604-612. ⟨10.1016/j.colsurfa.2019.05.090⟩. ⟨hal-02330553⟩