Characterization of Functionalized Low Density Polyethylene/Polyaniline Nano Fiber Composite

Abstract

Nano composite based on polyaniline (PANI) nano fibers filler and chromic acid functionalized low density polyethylene (LDPE) matrix with biocompatibility and low percolation threshold value was prepared via twin screw extrusion process. Density measurement, Fourier Transform Infrared Spectroscopy (FTIR), Field Emission Electron Microscopy (FESEM), Energy-dispersive X-ray spectroscopy (EDX), X-ray crystallography (XRD), Brunauer, Emmett and Teller analysis (BET), Thermo Gravimetric (TGA), Differential Scanning Calorimetery (DSC) and Four-Probe Conductivity measurements are reported. As low density polyethylene functionalization renders LDPE more biocompatible, it also facilitates conductivity due to carbon carbon double bonds, sulfonic, and carbonyl group moieties. PANI nano fibers also assist in charge transfer mechanism of resultant composite. Overall results indicate the formation of highly stable nanocomposite materials, with good physiochemical properties and conductivity. The resultant blend may prove beneficial as a low cost biocompatible and electrically simulated nerve tissue repair scaffolds.

On the Processing and Properties of Clay/Polymer Nanocomposites CPNC

“…The ratio of the nanoclay powder to the polymer powder in the mix of the nanocomposite was 5% by weight. This ratio is the most trusted ratio for producing clay/polymer nanocomposite based on the previous studies of the academics and companies , Fouad H. 2001, Gilman W 1999, 2011, Haruguchi K 2002, Hasmulkh 2006, Kazimi 2014, Kornamaa X. 2001, Lebaron P. 1999, Lili C. 2008, Meneghetti P. 2005, Okada A.…”

“…Clay properties make clay particles convenient for reinforcing polymers for developing new composite with enhanced properties since polymers are thermoplastic, hydrophobic and organic materials. But mixing and processing step of nanoclay and polymer to manufacture nanocomposite faced several difficulties such as homogeneity, nanoclay distribution, particles orientation, defects, voids and air bulbs, particle agglomeration, debonding between nanoclay and polymer, exfoliation and intercalation , Fouad H. 2001, Gilman W 1999, 2011, Haruguchi K 2002, Hasmulkh 2006, Kazimi 2014, Kornamaa X. 2001, Lebaron P. 1999, Lili C. 2008, Meneghetti P. 2005, Okada A.…”

“…Mixing stage is the most important stage for overcoming the manufacturing difficulties and problems. Most famous mixing techniques by melt processing are extruding the nanoclay filler and polymer using single or twin screw extruders or mixing using two or three roll mill mixers under high temperature based on the polymer type , Fouad H. 2001, Gilman W 1999, 2011, Haruguchi K 2002, Hasmulkh 2006, Kazimi 2014, Kornamaa X. 2001, Lebaron P. 1999, Lili C. 2008, Meneghetti P. 2005, Okada A.…”

“…Therefore current research depends on preliminary dry preparation and mixing. Previous studies depended mainly on the mixing during melting process through the extruder or the mixer , Fouad H. 2001, Gilman W 1999, 2011, Haruguchi K 2002, Hasmulkh 2006, Kazimi 2014, Kornamaa X. 2001, Lebaron P. 1999, Lili C. 2008, Meneghetti P. 2005, Okada A.…”

Assessment of mechanical performance, thermal stability and water resistance of novel conductive poly(lactic acid)/modified natural rubber blends with low loading of polyaniline

“…Polymeric composite systems containing PANI are established as having several advantages including the improvement of the processability and fairly good mechanical properties as well as good conductivity . Some studies used PANI as filler rather than as matrix, and it was confirmed that the reinforcement of PANI in a polymer matrix enhanced the physical properties because it is able to create a different phase relative to the matrix material and conductive polymer . Laska et al .…”