CHARACTERIZATION OF PET FABRICS SURFACE MODIFIED BY GRAFT CELLULOSE NANO-CRYSTAL USING TGA, FE-SEM AND XPS

Weidong Li and Enyong Ding
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Weidong Li: Key Laboratory of Cellulose and Lignocellulosics Chemistry, Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, P. R. China;
Enyong Ding: Key Laboratory of Cellulose and Lignocellulosics Chemistry, Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, P. R. China

Surface Review and Letters (SRL), 2006, vol. 13, issue 06, 819-823

Abstract: Surface-modified Poly(ethylene terephthalate) (PET) fabrics were prepared through thionylchlorided cellulose nano-crystal (CNC) reacting with hydroxyl groups at the surface of the alkali-etched PET fabrics. X-ray photoelectron spectroscopy (XPS), field-emission scanning electron microscopy (FE-SEM) and thermogravimetric analysis (TGA) were employed to study the topography, superficial ingredients and thermal properties of the composite, respectively. It was confirmed by the observation of FE-SEM that the surface of PET fabrics was covered by the immobilized CNC particles, and increasingO/Catomic ratio in XPS-spectra was found with grafting. The TGA examination indicated that CNC-g-PET had less weight loss in the range of 300–350° than alkali-treated PET fibers, which was caused by the cross-linking effect of CNC particles with multi-ended reactive groups.

Keywords: Surface-modified; thionylchlorided; Poly(ethylene terephthalate); cellulose nano-crystal; alkali-treated (search for similar items in EconPapers)
Date: 2006
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DOI: 10.1142/S0218625X06008906

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