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Showing 1 to 20 of 22 for “"PA6"”.
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Thermal Degradation of PC and PA6 During Laser Transmission Welding (LTW)
… materials: polycarbonate (PC) and polyamide 6 (PA6). Each material was studied at two levels of CB. It is shown in this work that increasing the carbon black (CB) level from 0.05 to 0.2wt% has no significant effect on the thermal stability of PA6. However, it is observed that increasing the CB …
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Ultrasonically Assisted Single Screw Extrusion, Film Blowing and Film Casting of LLDPE/Clay and PA6/Clay Nanocomposites
… of modified clay particles in LLDPE and PA6 matrices and the final properties of nanocomposites. LLDPE and PA6 are two polymers that are widely used in packaging industry. Blown and cast films were manufactured from the prepared nanocomposites. To achieve one step film processing, an …
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Demulsification and recycling of spent oil based drilling fluid as nanofiller for polyamide 6 nanocomposites.
… in addition to recycling the solid phase into PA6 nanocomposite materials. Initial characterisation of the untreated waste was carried out by Fourier Transform Infra Red (FTIR) for total petroleum hydrocarbon (TPH) analysis, inductively-coupled plasma optical emission spectrometry (ICPOES) for …
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Synthesis and characterisation of polyamide 6 blends made by reactive extrusion
… monomer content of the reactive polymerised PA6 samples as determined by solution viscometry, gel permeation chromatography and gas chromatography analysis revealed that these properties could be influenced by polymerisation conditions in the extruder, yielding values of Mw up to 100 kg.mol-1 …
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Processing, structure and thermo-mechanical properties of reclaimed nanoclay, and its application in polyamide 6 and low-density polyethylene nanocomposites.
… and thermo-mechanical behaviour of LDPE and PA6 nanocomposite materials. The thesis begins with a critical literature review, covering oil-based mud (OBM) waste treatments, polymer nanocomposites and their manufacturing, thermal degradation behaviour and mechanical performance. This is …
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Plasma-Enhanced Continuous Carbon Fibre-Reinforced Composites Manufactured from Recycled Thermoplastics
… multilayer film, were investigated: polyamide 6 (PA6)/polypropylene (PP) and PA6/linear low-density polyethylene (LLDPE). A die, consisting of a slot channel with a series of crests, was developed in this thesis to impregnate CF tows with thermoplastic blends. Static and crest pressure in the die …
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Abiotic and Biotic Polymer Degradation to Inform Sustainable Design
… products and homologous series of polyamide-6 (PA6), polycaprolactone (PCL), and polylactic acid (PLA). Complementary experimental approaches (retention-time shifts across varied mobile phase pH, fragmentation analysis, and spectral matching) were essential to improve structure elucidation and …
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The blending and permeability of polymers for packaging applications
… isotactic polypropylene (PP) and nylon-6 (PA6) blends and laminates were prepared, to develop a material with optimal water vapour and oxygen barrier properties. The effect of compatibilizers on phase dispersion has been investigated using three commercial Polybond's, PB3002, PB1001, and …
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Supramolecular polymer additives to improve the crystallization behavior and optical properties of polybutylene terephthalate and polyamides
… their nucleation and clarification behavior in PA6. The chemical structure of the additives was systematically varied by changing the conformation of the central unit and the length and degree of branching within the peripheral substituents. Bisureas based on the trans conformation of 1,4- …
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Development of multifunctional polymer composites with self-healing capability
… self-healing properties using polyamide 6 (PA6), which is the most commonly utilized thermoplastic polymer in the production of thermoplastic composites. As there is a lack of systematic investigation on this particular research topic in the scientific literature, various combinations of PA6 …
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Application of electrospun fiber membranes in water purification
… poly(trimethyl hexamethylene terephthalamide) (PA6(3)T) were electrospun and annealed at a range of temperatures spanning the glass transition temperature of each polymer. The data for applied stress versus solidity of membrane were found to be welldescribed by a power law of the form [sigma]zz …
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Untersuchung von Verbundwerkstoffen mit Basalt- und PBO-Faser-Verstärkung
… und als Matrix zwei Thermoplaste (PP und PA6) sowie ein Epoxidharz ausgewählt. Der Einsatz von Commingling-Hybridfäden zur Entwicklung der thermoplastischen Unidirektionalverbunde erfordert Voruntersuchungen zur Lufttexturierung mit verschiedenen Düsen und Auswahl der günstigsten …
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Magnetic polyamide 6 nanocomposites for increasing damage tolerance through self-healing of composite structures.
… in controlling the in-situ polymerisation of PA6, capturing the MNPs dispersion state. The resulting dispersion state due to functionalised Fe3O4 MNPs determined the properties of magnetic PA6 nanocomposites (PMC) to help achieve a generic set of principles for designing the desired materials …
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The sliding wear of polymers against steel
… molybdenum disulphide filled polyamide 6 (PA6/MoS₂) and graphite filled poly(amide-imide) (P(A-I)/GR). Testing was carried out as a function of sliding velocity between 0.13 to 2.27 ms⁻¹, loads of 1, 3 and 5 MP a and counterface roughnesses which varied from 1 micrometre to 0.25 …
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Transplantation of Mouse Embryonic Stem Cell-Derived Dopaminergic Neurons in a Unilateral 6-Hydroxydopamine Lesion Rat Model of Parkinson’s Disease
… Stammzellen der Maus wurden 14 Tage mit PA6-Zellen ko-kultiviert, mit PKH26 markiert und anschließend in 6-Hydroxydopamin läsionierte, mit- oder ohne Cyclosporin A behandelte Ratten transplantiert. Die transplantierten Zellen konnten an ihrer PKH26 Fluoreszenz in allen Empfängergehirnen …
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Characterisation and plastic-degrading potential of plastisphere-associated microorganisms
… low-density polyethylene [LLDPE], polyamide-6 [PA6], polyethylene terephthalate [PET] and polylactic acid [PLA]), that had been purposely inoculated in aquatic environments, and (i) compared the degradation potential of bacterial isolates, the (ii) influence plastic leachates have on microbial …
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Development of masterbatches for poly (ethylene terephthalate) with improved resistance to CO2 permeation
… In the case of polyamide based nanocomposites PA6 was found to produce the best dispersed nanocomposites followed by PA-MXD6, PA-6I/6T and PA-6-3-T. It was concluded from the results that surfactant/polymer compatibility and thermal stability play some role, but the most significant factor in …
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Avaliação comparativa de dutos não metálicos RTP e dutos metálicos via análise de elementos finitos e de sensibilidade
… tubos flexíveis RTP. Nas análises, o HDPE e o PA6 serão considerados para o liner e capa externa dos tubos RTP, e os materiais AISI 304L e o SAE 1020 serão utilizados para os tubos metálicos. Para cada uma delas, serão simulados esforços de tração, flexão e pressão para cada tipo de material, …
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COOLING THEORY FOR THERMOPLASTIC MATERIALS USED IN SCREW EXTRUSION ADDITIVE MANUFACTURING
… 40 wt% carbon fiber reinforced polyamide 6 (PA6) and 20 wt% carbon fiber reinforced acrylonitrile-butadiene-styrene (ABS), polycarbonate (PC), and polyetherimide (PEI) play a strategic role in most applications. In addition, the research offers a physical, mechanical and thermal …
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RECOVERY AND SEPARATION PROCESSES IN THE RECYCLING CHAIN OF POLYAMIDE PLASTIC MATERIALS TO OBTAINECO-SUSTAINABLE RAW MATERIALS
… was demonstrated through systematic tests on PA6, PA66, and PU fibers, using controlled solvent B/water ratios and analysing the dissolution temperatures of each sample. The solubility behaviour was mapped in relation to solvent composition, helping to define process windows for each target …
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