The development of polymeric biocomposites containing natural fibers has grown over the years due to properties achieved and its eco-friendly nature. Thus, involving a polymer from renewable source (Biopolyethylene (BioPE)) babassu (BFs), compatibilized with polyethylene grafted maleic anhydride (MA) acrylic acid (AA) (PE-g-MA PE-g-AA, respectively) were obtained using melt mixing injection molded into tensile, impact, HDT specimens. Babassu fiber was characterized Fourier transform infrared...

Abstract Poly(lactic acid) has been gaining prominence in academia and industry, mainly due to being a biopolymer biodegradable material. Nevertheless, its high fragility, work carried out order seek alternatives improve this drawback. Hence, aims evaluate the effect of vinyl acetate content using two types EVA (EVA 1 with 28% 2 19%) dynamically vulcanized PLA/EVA blends, several dicumyl peroxide (DCP) contents, that is, 0.3, 0.5, 0.7 phr. Blends were produced an internal mixer, tensile,...

Abstract Polypropylene/ Syagrus Cearensis fiber composites compatibilized with polypropylene‐graft‐maleic anhydride (PP‐g‐MA) and styrene(ethylene‐butylene)‐styrene copolymer (SEBS‐g‐MA) were successfully produced using a co‐rotating twin‐screw extruder followed by injection molding. The characterized X‐ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM). mechanical properties determined Izod impact tensile testing. Thermal obtained...

Biocomposites processed with polycaprolactone (PCL) and macaíba fiber (MF) were melting extruded in this work MF content ranging from 10% to 20%. was naturally added PCL as also chemically treated maleic anhydride (MA), sodium hydroxide (NaOH), 3-Methacryloxypropyltrimethoxysilane (Silane). Afterwards biocomposite thermally, spectroscopically, mechanically morphologically characterized. From the gathered results, higher thermal stability observed for biocomposites upon content, regarding...

Abstract The reactivity of different polyethylene modifiers based on acrylic acid (AA) and maleic anhydride (MA) with polyamide 6 (PA6) is investigated, using several degrees functionalization. polymer blends are processed in an internal mixer injection molded. Mechanical, rheological, infrared spectroscopy, thermal, thermomechanical properties, morphology evaluated. torque rheometry results show that higher functionalization favored a high PA6. As consequence, there increase the viscosity...

In this work, blends based on poly (lactic acid) (PLA)/acrylonitrile-butadiene-styrene (ABS) compatibilized with maleic anhydride-grafted (SEBS-g-MA) were prepared in a co-rotational twin-screw extruder by varying the concentrations of compatibilizing agent. The influence agent morphology, mechanical, thermal, thermomechanical, and rheological properties materials was analyzed. effect annealing also investigated using injection-molded samples. X-ray diffraction (XRD) results proved that...

Abstract Acrylonitrile‐EPDM‐styrene (AES) was applied as an impact modifier for poly(lactic acid) (PLA), and the combined effect of dicumyl peroxide (DCP) crosslinking annealing heat treatment investigated. Torque rheometry, melt flow index (MFI), mechanical properties (impact, tensile, Shore D hardness), X‐ray diffraction (XRD), infrared spectroscopy (FTIR), deflection temperature (HDT), differential scanning calorimetry (DSC), electron microscopy (SEM) were There a considerable torque...

ABSTRACT Blends of poly (lactic acid) (PLA) with acrylonitrile‐butadiene‐styrene (ABS) were prepared using styrene–acrylonitrile copolymers functionalized maleic anhydride (SAN‐MA) and epoxy (SAN‐Epoxy) as compatibilizers. The blends processed in an internal mixer injection molded. Analyses included torque rheometry, dynamic oscillatory shear rheology, impact resistance, tensile strength, Shore D hardness, heat deflection temperature (HDT), differential scanning calorimetry (DSC), electron...

ABSTRACT Blends of poly (lactic acid) (PLA) enhanced with ethylene‐vinyl acetate copolymer (EVA) and dynamically vulcanized have garnered interest from researchers the polymer industry due to their versatility combined properties. These include high elasticity EVA environmentally friendly characteristics PLA, which is both a biopolymer biodegradable. This study aims produce PLA/EVA blends dicumyl peroxide (DCP) evaluate rheological, thermal, morphological, ductile–brittle transition The...

Large waste amounts from wood industries as powder and sawdust are daily produced, reusing these materials otherwise would be discharged to the environment has become an economically viable environmentally friendly alternative produce new materials. Based on arguments, polypropylene (PP)/Jatobá composites upon addition of two types PP were processed in a corotational twin screw extruder; specimens injected molded their characterization was performed through differential scanning calorimetry,...

Abstract Environmental damage promoted trough post‐consumer waste from the wood industry has worried society, while its inadequate disposal raised concerns of scientific community. Environmentally and economically effective alternative is reusing this residue to produce smart composites. Therefore, work aimed investigate performance polypropylene (PP)/Jatobá Wood Powder (WP) composites compatibilized with ethylene propylene diene monomer rubber‐maleic anhydride (EPDM‐MA). The effect distinct...

Abstract Herein, we prepared toughened and electrical nanocomposites of polyamide 6 (PA6)/acrylonitrile‐butadiene‐styrene (ABS) compatibilized with maleic anhydride‐grafted acrylonitrile‐butadiene‐styrene (ABS‐MA). Functionalized multi‐walled carbon nanotubes (MWCNTf) were used as conductive nanofillers. Nanocomposites processed in an internal mixer injection molded. Torque rheometry, impact strength, elastic modulus, heat deflection temperature (HDT), differential exploratory calorimetry...

Abstract Low‐density biopolyethylene (BioLDPE) ecocomposites added with particles of eggshell (ES) residue were produced using linear low‐density polyethylene grafted maleic anhydride (LDPE‐g‐MA) as a compatibilizing agent. BioLDPE/ES and BioLDPE/ES/LDPE‐g‐MA compounds processed in twin‐screw extruder, the specimens injection molded. Torque rheometry increased melt flow index reduced more prominently for BioLDPE/LDPE‐g‐MA biocomposite 20 phr ES, suggesting higher viscosity. Consequently,...

Polypropylene is one of the most consumed thermoplastics in transformation industry, generating a large volume post-consumer waste. The practice reusing materials presents an opportunity for revaluation plastic waste, aiming to minimize negative impacts its disposal. In this work, blends copolymer polypropylene (PPCop) and recycled (PPRec) from industrial containers were evaluated using 20, 40 60% PPRec. initially prepared co-rotational twin screw extruder, thereafter, extruded granules...

Abstract In this work, PA6/EPDM‐MA was added as an impact modifier for high‐performance polypropylene (PP) production. compounds were processed in internal mixer, aiming at chemical reaction between maleic anhydride of EPDM‐MA and the amine terminal groups PA6. Afterward, PP/(PA6/EPDM‐MA) blends by extrusion injection molding. Rheological properties evaluated using torque rheometry; additionally, Fourier transform infrared spectroscopy, Molau test, tensile strengths, Shore D hardness,...

Motivated by environment preservation, the increased use of eco-friendly materials such as biodegradable polymers and biopolymers has raised interest researchers polymer industry. In this approach, work aimed to produce bioblends using poly (lactic acid) (PLA) high-density biopolyethylene (BioPE); due low compatibility between these polymers, evaluated additional influence compatibilizing agents: (ethylene octene) ethylene elastomer grafted with glycidyl methacrylate (POE-g-GMA EE-g-GMA,...

Intelligent use of raw materials has been encouraged in both academia and industry; biodegradable polymers have used for bio-composites development seeking the generation new environmentally safe compounds. Therefore, this work aimed to develop poly (ε-caprolactone) (PCL) biocomposites upon wood powder (WP) addition compatibilized by maleic anhydride grafted (PCL-MA). Bio-composites were processed a corrotational twin screw extruder afterwards extruded granules injection molded. Specimens...

The practice of recycling over the years has been increasingly encouraged, with aim being manufacturing materials that contribute to sustainable development. In light this, present work evaluated potential mixtures polystyrene (PS)/recycled copolymer polypropylene (PPr), using styrene-(ethylene/butylene)-styrene (SEBS) as a compatibilizing agent. Initially, were prepared in co-rotational twin-screw extruder, and, afterwards, extruded granules molded by injection. properties torque rheometry,...

Poly(ethylene-octene) grafted with glycidyl methacrylate (POE-g-GMA) and ethylene elastomeric (EE-g-GMA) were used as impact modifiers, aiming for tailoring poly(lactic acid) (PLA) properties. POE-g-GMA EE-g-GMA was in a proportion of 5; 7.5 10%, considering good balance properties PLA. The PLA/POE-g-GMA PLA/EE-g-GMA blends processed twin-screw extruder injection molded. FTIR spectra indicated interactions between the PLA modifiers. 10% addition promoted significant increases strength, gains...

Abstract Poly (lactic acid) (PLA) is one of the most currently investigated polymers due to its production from renewable sources and biodegradability. Being a brittle polymer, PLA has low toughness, limiting use for commercial applications. Therefore, present work aims produce blends, using ethylene‐vinyl acetate copolymer (EVA), dynamically vulcanized with dicumyl peroxide (DCP) as crosslinking agent. A 70/30 mixture PLA/EVA was produced 0.2, 0.4, 0.6, 0.8, 1.0 phr DCP. The blends were...