title: One-step UV-induced modification of cellulose fabrics by polypyrrole/silver nanocomposite films.
abstract: Cellulose fabrics were coated with polypyrrole-silver (PPy/Ag) nanocomposite films via one pot photopolymerization in aqueous media. This process was optimized for various concentrations of pyrrole/textile weight ratios with fixed molar ratio of [pyrrole]/[AgNO(3)] as 2.5. Simple weight measurements of the fabrics indicated progressive coating of PPy/Ag versus initial pyrrole/fabric weight ratio and photopolymerization time. X-ray diffraction (XRD) data confirm the nano-size (10-30 nm) and metallic state of Ag crystallites. The metallic state of silver particles was also confirmed by X-ray photoelectron spectroscopy (XPS). We demonstrate that UV-induced polymerization of pyrrole in the presence of AgNO(3) is simple and fast compared to chemical oxidative polymerization in the absence of UV light. More importantly, it permits to coat cellulose fabrics in one pot by polypyrrole/Ag nanocomposites films in environmentally friendly aqueous solutions at room temperature.
authors.affiliation: National Research Center, P.O. 12622, Cairo, Egypt.
authors.forename: Mohamed F
authors.initials: MF
authors.lastname: Attia
authors.forename: Tahar
authors.initials: T
authors.lastname: Azib
authors.forename: Zakaria
authors.initials: Z
authors.lastname: Salmi
authors.forename: Ajay
authors.initials: A
authors.lastname: Singh
authors.forename: Philippe
authors.initials: P
authors.lastname: Decorse
authors.forename: Nicolas
authors.initials: N
authors.lastname: Battaglini
authors.forename: Hélène
authors.initials: H
authors.lastname: Lecoq
authors.forename: Mária
authors.initials: M
authors.lastname: Omastová
authors.forename: Asha A
authors.initials: AA
authors.lastname: Higazy
authors.forename: Amira M
authors.initials: AM
authors.lastname: Elshafei
authors.forename: Mohamed M
authors.initials: MM
authors.lastname: Hashem
authors.forename: Mohamed M
authors.initials: MM
authors.lastname: Chehimi
mesh_terms: D002482:Cellulose / Q000737:chemistry*; D053768:Metal Nanoparticles / Q000737:chemistry*; D010316:Particle Size; D011108:Polymers / Q000737:chemistry*; D011758:Pyrroles / Q000737:chemistry*; D012834:Silver / Q000737:chemistry*; D013499:Surface Properties; D014466:Ultraviolet Rays
chemical_list: D011108:Polymers; D011758:Pyrroles; C067635:polypyrrole; D012834:Silver; D002482:Cellulose