Recycled polycarbonate/acrylonitrile–butadiene–styrene reinforced and toughened through chemical compatibilization

Abstract

To improve the utilization efficiency of recycled polycarbonate/acrylonitrile-butadiene-styrene (R-PC/ABS), we studied the mechanical, morphological, and rheological properties of R-PC/ABS with styrene-butadiene-glycidyl methacrylate (SBG), which was used to reinforce and toughen the R-PC/ABS through chemical compatibilization. Fourier transform infrared spectroscopy demonstrated that carboxyl and hydroxyl groups in R-PC/ABS reacted with epoxy groups in SBG to produce ester and ether groups. The results of scanning electron microscopy show that the domain sizes of the ABS particles decreased when the SBG content was 6 wt %; this demonstrated that the compatibility of the polycarbonate (PC) and ABS was improved after the addition of SBG. The results of the loss modulus of dynamic mechanical analysis were consistent with the morphological results, which reflected a better compatibility of PC and ABS in the modified samples. The introduction of SBG increased the molecular weight and entanglements; this improved the viscosity and storage modulus in the modified samples, as demonstrated by the rheological results. Furthermore, the mechanical properties were obviously enhanced, especially the impact strength, when the SBG content was 6 wt %; this was ascribed to the chemical reactions and improved compatibility after melt extrusion with SBG.

3D-MID Technology for Surface Modification of Polymer-Based Composites: A Comprehensive Review

“…The glass transition temperature is about 85–100 °C. The proportion of its three constituent components can be varied which permits to adapt this material to very widely differing requirement [ 120 , 121 , 122 , 123 , 124 , 125 , 126 , 127 , 128 , 129 ].…”

“…The maximum use temperature of ABS is up to 90 • C which makes them unsuitable for standard soldering process. The glass transition temperature is about 85-100 • C. The proportion of its three constituent components can be varied which permits to adapt this material to very widely differing requirement [120][121][122][123][124][125][126][127][128][129].…”

Influence of phosphorous‐based flame retardants on the mechanical and thermal properties of recycled PC/ABS copolymer blends

“…22,23 Miscibility and performance of r-PC/r-ABS can also be improved with the incorporation of styrene-butadiene-glycidyl methacrylate as a chemical compatibilizer. 24 When PC/ABS blends are used in electrical and electronic applications, flame retardancy is one of their most important properties. Added FR increases the ignition temperature and slows down the rate of burning, and thus attain improved thermal stability of polymer materials.…”

“…EVA‐g‐MAH proved to be an efficient compatibilizer also for r‐PC/r‐ABS blends . Miscibility and performance of r‐PC/r‐ABS can also be improved with the incorporation of styrene‐butadiene‐glycidyl methacrylate as a chemical compatibilizer …”

Acrylonitrile Butadiene Styrene and Polypropylene Blend with Enhanced Thermal and Mechanical Properties for Fused Filament Fabrication

“…In this regard, polycarbonate (PC) is the most successful polymer that reports the best-in-class blend properties with ABS [14] as compared to contemporary ones in FFF, such as ABS/UHMWPE/SEBS, ABS:SEBS [15,16], ABS:SEBS-g-MAH [17], ABS/PMMA [18], and ABS/SMA [5]. The addition of PC to ABS was reported with improvements in both thermal and mechanical properties (tensile, compression, and flexure) [13,19]. However, thermal improvement is interpreted as an improvement in the onset of the degradation temperature of the non-aged blend obtained in thermogravimetric analysis (TGA) [20].…”