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Melt extrusion of polystyrene reinforced with cellulose nanocrystals modified using poly (styrene)-co-(2-ethylhexyl acrylate) latex particles

M. Nagalakshmaiah ; Oleksandr Nechyporchuk (Institutionen för kemi och kemiteknik, Teknisk ytkemi) ; N. El Kissi ; A. Dufresne
European Polymer Journal (0014-3057). Vol. 91 (2017), p. 297-306.
[Artikel, refereegranskad vetenskaplig]

Non-covalent modification of cellulose nanocrystals (CNC) was performed using a water based method with laboratory prepared statistical copolymer, viz. poly [(styrene)-co-(2-ethylhexyl acrylate)], by ionic interactions. The thermal, functional and morphological properties of modified CNC were characterized by thermogravimetric analysis (TGA), Fourier vansform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). Their hydrophobic nature was investigated by contact angle measurements. These nanoparticles were used to prepare polystyrene (PS) nanocomposites by twin-screw extrusion. The thermomechanical performance of the ensuing composites was examined by differential scanning calorimetry (DSC) and dynamic mechanical analysis (DMA). The morphology of the materials was also studied using scanning electron microscopy (SEM).

Nyckelord: Cellulose nanocrystal; Ionic interactions; Polymer nanocomposite; Melt extrusion; Polystyrene



Denna post skapades 2017-07-13.
CPL Pubid: 250676

 

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Institutioner (Chalmers)

Institutionen för kemi och kemiteknik, Teknisk ytkemi

Ämnesområden

Materialkemi

Chalmers infrastruktur