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Showing 1 to 20 of 25 for “"compatibilizer"”.
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Biopolymer foams from Novatein thermoplastic protein and poly(lactic acid)
… These problems can be overcome with the use of a compatibilizer which helps to stabilize the interface by coalescence suppression of the dispersed domains. In this work, itaconic anhydride grafted PLA (PLA-g-IA) was chosen as a compatibilizer for Novatein-PLA blends because IA is extremely stable …
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Preparation and mechanical properties of nylon 6-graphene nanocomposites
… agent like thermoplastic elastomer and compatibilizer were used for the preparation of nanocomposites. An important objective of this work was to control and enhance the dispersion of graphene based nanoparticles and overcome the agglomeration and its adverse effects on the mechanical …
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Processing Extrudable Sheets using Decoloured Bloodmeal
… 70:30 (DP73) and 90:10 (DP91), with and without compatibilizer (PLA-g-IA), were examined to determine the optimal blend ratio for DBT/PLA blends. DBP content below 30 wt.% was considered to defeat the main aim of maximizing the use of decoloured bloodmeal. Below 50 wt.% and above 70 wt. % DBT …
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Structure property and deformation analysis of polypropylene montmorillonite nanocomposites.
… maleated polypropylene (mPP) was utilized as a compatibilizer between the MLS and non-polar PP. Analysis of transmission electron micrographs and X-ray diffraction patterns on the surface and below the surface of our samples revealed a unique skin-core effect induced by the presence of clay. …
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Cost-effective processing of immiscible polymer blends into value-added fiber-based products
… for materials separation or the use of expensive compatibilizers for improving mechanical properties. A simple method for direct reuse of waste plastics without the pre-separation procedure or the compatibilizer will be beneficial for efficient and cost-effective recycling. This emerging need …
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Transport and Anisotropy inside Ionic Polymer Membranes
… the blend membranes, we examine the impact of compatibilizer on their transport properties. An increase in compatibilizer significantly improves the membrane phase homogeneity confirmed by SEM and transport studies. Theories of diffusion in porous media yield changes in domain size and …
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Process for Improving the Exfoliation and Dispersion of Nanoclay Particles into Polymer Matrices Using Supercritical Carbon Dioxide
… RTP sample prepared using a TSE and a MA compatibilizer showed moderate improvements in the clay dispersion and properties due to high shear forces and mixing capabilities of TSE. The most improvements were seen from the technique of using the pressurized CO₂ chamber, which directly …
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Processing and properties of composites based on high density polyethylene and thermotropic liquid crystalline polymers
… The fiber orientation and addition of a compatibilizer were also studied. This study shows it is possible to extrusion blend HDPE with TLCPs and by optimizing the post-processing conditions, to obtain microcomposites with better properties than in situ composites.
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Incorporating Recycled Plastics in Asphalt Binders and Mixtures
… towards the warmer side. The development of compatibilizers mitigated the drawbacks caused by incorporating recycled low-density polyethylene (rLDPE) in asphalt binder. Compatibilizers with polyisoprene (PI) and polybutadiene (PBD) backbones synthesized with polyethylene-block-polyethylene …
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Improving Impact Properties of Novatein through Polymer Blending and Reactive Extrusion
… of Novatein/PBAT blends was explored using dual compatibilizer systems whereby it was found that a compatibilizer system of epoxy functionalized chain extender (Joncryl ADR4368) and imidazole catalyst brought about increased energy absorption compared to poly-2-ethyl-2-oxazoline (PEOX) with …
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Hydrothermally extracted nanohydroxyapatite from bovine bone as bioceramic and biofiller in bionanocomposite
… loading of 1.0 wt% maleic anhydride (MAH) as a compatibilizer. The biocompatibility of bionanocomposite was evaluated in simulated body fluids (SBF). The results showed that apatite layers were grown on the surfaces of both biomaterials. Therefore, both biomaterials formulated shall be promising …
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Polylactic Acid based Blends and Composites for Material Extrusion 3D Printing: Formulation, Characterization, and Processing
… epoxidized canola oil (ECO), was utilized as a compatibilizer for PLA/PBAT blends at different weight ratios to produce toughened materials suitable for 3D printing applications. The incorporation of ECO into PLA/PBAT blends resulted in significant improvements in the compatibility, leading to …
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Processing and Characterization of Nanocomposite Fibers and Nanofibers for Structural and Biomedical Applications
… Anhydride (PE-g-MAH) was used as a compatibilizer to modify the interaction of the immiscible polymer phases. Comparative characterization studies of fibers produced both with and without the inclusion of PE-g-MAH were performed to observe the effect of compatibilization on the …
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Polymer Crystallization: Micro- and Nano- Filler Effects on Isotactic Polypropylene
… anhydride grafted polypropylene (PP-MA) as compatibilizer and various micro- (talc, carbon fibres) and nano- (montmorillonites, carbon nanofibres and carbon nanotubes) fillers were added. In order to keep the same matrix, the micro- and nano- composites were prepared by in-creasing the …
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Tensile and fracture behaviour of isotropic and die-drawn polypropylene-clay nanocomposites. Compounding, processing, characterization and mechanical properties of isotropic and die-drawn polypropylene/clay/polypropylene maleic anhydride composites
… systems containing 3% and 5% clay with various compatibilizer (PPMA) loadings were prepared using three different mixing routes for isotropic sheets produced by compression moulding and tensile bars produced by injection moulding. Die‑drawn oriented tensile bars were drawn to draw ratios of 2, …
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Tensile and fracture behaviour of isotropic and die-drawn polypropylene-clay nanocomposites. Compounding, processing, characterization and mechanical properties of isotropic and die-drawn polypropylene/clay/polypropylene maleic anhydride composites
… microscopy. 3% and 5% clay systems at various compatibilizer (PPMA) loadings were prepared by three different mixing routes for the isotropic sheets, produced by compression moulding, and tensile bars, produced by injection moulding process. Die-drawn oriented tensile bars were drawn to draw …
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Non-Covalent Interactions in Polymeric Materials: From Ionomers to Polymer Blends
… proven to be attractive, interfacially active compatibilizers for a number of polymer blend systems because of specific interactions that may develop between the ionic groups and complementary functional groups on other polar polymers within the blends. The successful compatibilization of …
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Ultrasonically Assisted Single Screw Extrusion, Film Blowing and Film Casting of LLDPE/Clay and PA6/Clay Nanocomposites
… were also prepared with addition of different compatibilizers. The compatibilizer containing higher amount of grafted maleic anhydride (MA) affected mechanical properties and oxygen permeability with ultrasonic treatment to higher extent. However, use of compatibilizers led to a higher die …
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Synthesis and Applications of Polysaccharide-Based Materials Using N-Thiocarboxyanhydrides and Polypeptides
… glutamate) BCP was used as compatibilizer to improve mixing in immiscible ethyl cellulose/PET blends. These blends afforded a more bio-derived alternative to PET/petroleum-based plastics. This chapter focuses on the synthetic efforts, a common challenge with polysaccharides, …
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Understanding the effect of nanofillers on the properties of polypropylene and glass fiber/polypropylene multiscale composites
… (GNP). The role of various percentages of compatibilizer polypropylene grafted with maleic anhydride (PPgMA) into PP nanocomposites was also investigated. In order to analyze the effect of the manufacturing process on the material’s properties, the samples were produced by (i) melt …
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