Sulfonation of polyester fabrics by gaseous sulfur oxide activated by UV irradiation
作者： Bessem Kordoghli , Ramzi Khiari , Mohamed Farouk Mhenni , Faouzi Sakli , Mohamed Naceur Belgacem
DOI: 10.1016/J.APSUSC.2012.06.021
关键词: Polyester 、 Sulfur oxide 、 Chemical engineering 、 Contact angle 、 Sulfonate 、 Sulfur 、 Polymer chemistry 、 Irradiation 、 Materials science 、 Sulfur trioxide 、 Grafting
摘要: Abstract This paper describes an original technique aiming to improve the hydrophilic properties of polyester fibres. In this method, sulfonation aromatic rings is carried out using gaseous sulfur trioxide activated by UV irradiations. Thus, exposing textile fabric UVC light (wavelength around 254 nm) under a stream leads fixation SO 3 H groups. The amounts fixed sulfonate groups depended on reaction conditions. Evidence grafting deduced from measurements hygroscopic was contact angle measurement, moisture regain as well measuring rate retention. SEM and FT-IR analysis, DSC DTA/TGA thermograms showed that no significant modifications have occurred in bulk treated PET fabrics.
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