Preparation and characterization of extruded nanocomposite based on polycarbonate/butadiene‐acrylonitrile‐styrene blend filled with multiwalled carbon nanotubes

Abstract

Nanocomposites of polycarbonate/acrylonitrile‐butadiene‐styrene (PC/ABS) with multiwall carbon nanotubes (MWCNT) prepared by masterbatch dilution are investigated in this work. Melt compounding with twin screw extruder is followed by complete characterization of morphology, rheological‐, mechanical‐, and thermal‐properties of the nanocomposites. Light‐transmission‐ and scanning electron microscopy shows the preferential location of MWCNT in the PC. Nevertheless, relatively good dispersion in the whole matrix is achieved, what is corroborated with the specific mechanical energy. The study of viscoelastic properties of PC/ABS‐MWCNT shows the fluid–solid transition below 0.5 wt % MWCNT. Beyond this point the continuous nanofiller network is formed in the matrix promoting the reinforcement. Addition of 0.5 wt % MWCNT reduces ductility of PC/ABS and enhances Young's modulus by about 30% and yield stress by about 20%. Moreover, theoretical values of stiffness calculated within this work agree with the experimental data. Electrical conductivity, showing percolation at 2.0 wt % MWCNT, are influenced by processing temperature. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2014, 131, 40271.

Mechanical, thermal, and morphological properties of graphene reinforced polycarbonate/acrylonitrile butadiene styrene nanocomposites

“…Thereafter, this value decreased, which can be attributed to the aggregation of GNP particles. Recently, Marcin et al have also reported the 30% improvement in Young's modulus of PC/ABS blends reinforced by multi‐walled carbon nanotubes (MWCNT). Nevertheless, the nanocomposites ductility was reduced by MWCNT incorporation.…”

“…This temperature increased from 431 to 444 C for ABS with 3 wt% GNPs content and improved by 17 C for PC with the same GNP content. However, the study on PC/ABS/MWCNT nanocomposites showed a slight increase of DTG temperature for ABS and no significant change was observed for PC after the incorporation of carbon nanotubes [48].…”

Polyblend Nanocomposites

“…The dilution of pre-dispersed master batches on twin-screw extruder resulted in the improvement of thermal, mechanical and electrical properties of the PC/ABS blend. A balance between the mechanical and electrical properties observed during this research creates an attractive opportunity for the automotive and electronic industries (63).…”

GO Dispersion and Mechanical Properties of 70PC/30ABS/GO Composites according to Fabrication Methods

“…Therefore, rheological properties are an effective means for predicting the dispersion of a nanofiller in polymers. [21][22][23] The G'-G" plot depending on GO insertion methods is shown in Figure 4(a) and complex viscosity is presented in Figure 4(b). Compared to the other composites, the PC-GO/ABS/ABS-g-MA composite showed a G'-G" pattern close to PC, suggesting that the GO was well distributed.…”