Bibliografías temáticas / Polyamide 11 (PA11)

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Literatura académica sobre el tema "Polyamide 11 (PA11)"

Autor: Grafiati

Publicado: 15 de febrero de 2025

Última modificación: 31 de julio de 2025

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Artículos de revistas sobre el tema "Polyamide 11 (PA11)"

Bahrami, Mohsen, Juana Abenojar, and Miguel Angel Martínez. "Comparative Characterization of Hot-Pressed Polyamide 11 and 12: Mechanical, Thermal and Durability Properties." Polymers 13, no. 20 (2021): 3553. http://dx.doi.org/10.3390/polym13203553.

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Chemically speaking, polyamide 11 (PA11) and polyamide 12 (PA12) have a similar backbone, differing only in one carbon. From an origin point of view, PA11 is considered a bioplastic polyamide composed from renewable resources, compared to oil-based PA12. Each of them has a number of advantages over the other, which makes their selection a challenging issue. Depending on the target application, diverse assessments and comparisons are needed to fulfill this mission. The current study addresses this research gap to characterize and compare PA11 and PA12 manufactured by the hot press technique in

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Đinh, Thế Dũng, Nguyen Tran Hung, Le Minh Tri, Le Huu Dat, Nguyen Vu Giang, and Pham Thi Thanh Nhan. "Study on the development of 3D printing materials based on blend of polyamide 6 and polyamide 11." Journal of Military Science and Technology 102 (April 15, 2025): 101–8. https://doi.org/10.54939/1859-1043.j.mst.102.2025.101-108.

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3D printed CF/PA6+PA11 filaments are created from a blend of BASF's polyamide 6 (PA6), Arkema's polyamide 11 (PA11), and carbon fibers from Toray (Japan). This study focuses on evaluating the blend ratios of PA6, PA11, and the composite ratios of the blend with carbon fibers in the production of 3D printed filaments. Key technical parameters such as tensile strength, flexural strength, and impact strength were measured to assess mechanical performance under filament fabrication conditions. The study determined that a blend ratio of 70:30 for PA6:PA11 provides the best compatibility. Based on t

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Lao, S. C., J. H. Koo, T. J. Moon, et al. "Flame-retardant polyamide 11 nanocomposites: further thermal and flammability studies." Journal of Fire Sciences 29, no. 6 (2011): 479–98. http://dx.doi.org/10.1177/0734904111404658.

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Polyamide (nylon) 11 (PA11) were melt-blended by dispersing low concentrations of nanoparticles (NPs), namely nanoclays (NCs) and carbon nanofibers (CNFs) via twin-screw extrusion. To enhance their thermal and flame retardant (FR) properties, an intumescent FR additive was added to the mechanically superior NC and CNF PA11 formulations. For neat and NP-reinforced PA11 as well as for PA11 reinforced by both intumescent FR and select NPs (NC or CNF), decomposition temperatures by TGA, flammability properties by UL 94, and cone calorimetry values were measured. All PA11 polymer systems infused wi

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Khan, Zahid Iqbal, Zurina Binti Mohamad, Abdul Razak Bin Rahmat, Unsia Habib, and Nur Amira Sahirah Binti Abdullah. "A novel recycled polyethylene terephthalate/polyamide 11 (rPET/PA11) thermoplastic blend." Progress in Rubber, Plastics and Recycling Technology 37, no. 3 (2021): 233–44. http://dx.doi.org/10.1177/14777606211001074.

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This work explores a novel blend of recycled polyethylene terephthalate/polyamide 11 (rPET/PA11). The blend of rPET/PA11 was introduced to enhance the mechanical properties of rPET at various ratios. The work’s main advantage was to utilize rPET in thermoplastic form for various applications. Three different ratios, i.e. 10, 20 and 30 wt.% of PA11 blend samples, were prepared using a twin-screw extruder and injection moulding machine. The mechanical properties were examined in terms of tensile, flexural and impact strength. The tensile strength of rPET was improved more than 50%, while the inc

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Wang, Sheng Qin, Mohit Sharma, and Yew Wei Leong. "Polyamide 11/Clay Nanocomposite Using Polyhedral Oligomeric Silsesquioxane Surfactants." Advanced Materials Research 1110 (June 2015): 65–68. http://dx.doi.org/10.4028/www.scientific.net/amr.1110.65.

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This paper reports polyamide 11 (PA11)/layered silicate (clay) nanocomposite using polyhedral oligomeric silsesquioxane (POSS) surfactants. POSS functionalized with amino, ammonium and guanidinium groups were synthesized and used to facilitate the intercalation of polymer chains between silicate layers thereby to improve the dispersion of clay in polymer matrix. Nanocomposites from the blends of POSS-modified clay and PA11 were thus formulated via melting compounding and their mechanical and physical properties were characterized.

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Lods, Louise, Tutea Richmond, Jany Dandurand, et al. "Continuous Bamboo Fibers/Fire-Retardant Polyamide 11: Dynamic Mechanical Behavior of the Biobased Composite." Polymers 14, no. 2 (2022): 299. http://dx.doi.org/10.3390/polym14020299.

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A biobased composite was generated from bamboo fibers (BF) and a polyamide 11 (PA11) matrix. In order to fulfill security requirements, a PA11 already containing a flame retardant (FR) was chosen: This matrix is referred as PA11-FR. In this work, the effects of flame retardant (melamine cyanurate) on the composite properties were considered. In the calorimetric study, the glass transition and melting temperatures of PA11-FR were the same as those of PA11. The melamine cyanurate (MC) had no influence on these parameters. Thermogravimetric analysis revealed that PA11-FR was less stable than PA11

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Gunputh, Urvashi F., Gavin Williams, Marzena Pawlik, Yiling Lu, and Paul Wood. "Effect of Powder Bed Fusion Laser Sintering on Dimensional Accuracy and Tensile Properties of Reused Polyamide 11." Polymers 15, no. 23 (2023): 4602. http://dx.doi.org/10.3390/polym15234602.

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Polyamide 11 (PA11) is a plant-based nylon made from castor beans. Powder bed fusion laser sintering (PBF-LS) is an additive manufacturing process used for PA11 which allows for the reuse of the unsintered powder. The unsintered powder is mixed with virgin powders at different refresh rates, a process which has been studied extensively for most semi-crystalline polyamides. However, there is lack of information on the effect of using 100% reused PA11 powder and the effect of the number of times it is reused on its own, during powder bed fusion laser sintering. This paper investigates the effect

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Oulmou, F., A. Benhamida, A. Dorigato, A. Sola, M. Messori, and A. Pegoretti. "Effect of expandable and expanded graphites on the thermo-mechanical properties of polyamide 11." Journal of Elastomers & Plastics 51, no. 2 (2018): 175–90. http://dx.doi.org/10.1177/0095244318781956.

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The preparation and thermo-mechanical characterization of composites based on polyamide 11 (PA11) filled with various amounts of both expandable and expanded graphites are presented. Investigation conducted using X-ray diffraction (XRD), scanning electron microscopy and surface area analyses indicated how graphite expanded under the selected processing conditions. The XRD analysis on PA11/graphite composites revealed no change in the crystal form of the PA11, while the presence of diffraction peaks associated to the graphite-stacked lamellae can be still detected. All the investigated composit

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Li, Yongjin, Yuko Iwakura, and Hiroshi Shimizu. "Crystal Form and Phase Structure of Poly(vinylidene fluoride)/Polyamide 11/Clay Nanocomposites by High-Shear Processing." Journal of Nanoscience and Nanotechnology 8, no. 4 (2008): 1714–20. http://dx.doi.org/10.1166/jnn.2008.18235.

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Polyamide 11 (PA11)/clay, Poly(vinylidene fluoride) (PVDF)/clay and PVDF/PA11/clay nanocomposites were prepared by melt processing using a high shear extruder. Two types of organoclay with different modified alkyl tails and different polarities were used for PA11 and PVDF nanocomposites. PA11 nanocomposites derived from an organoclay having one alkyl tail show a well-exfoliated morphology but no crystal form transformation, whereas those derived from an organoclay having two alkyl tails give a little worse clay dispersion with the clear α to γ crystal form transition with the addition of the c

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Sahnoune, Mohamed, Mustapha Kaci, Aurélie Taguet, et al. "Tribological and mechanical properties of polyamide-11/halloysite nanotube nanocomposites." Journal of Polymer Engineering 39, no. 1 (2018): 25–34. http://dx.doi.org/10.1515/polyeng-2018-0131.

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AbstractThis article reports some morphological, tribological, and mechanical data on polyamide-11(PA11)/halloysite nanotube (HNT) nanocomposites prepared by melt-compounding. HNTs extracted from the Djebel Debbagh deposit in Algeria were incorporated into the polymer at 1, 3, and 5 wt%. For comparison, commercial HNTs were also used under the same processing conditions. Scanning electron microscopy showed that both HNTs were homogeneously dispersed in the PA11 matrix, despite the presence of few aggregates, in particular at higher filler contents. The tribological properties were significantl

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Más fuentes

Tesis sobre el tema "Polyamide 11 (PA11)"

Landreau, Emmanuel. "Matériaux issus de ressources renouvelables. Mélanges amidon plastifié/PA11 compatibilisés." Reims, 2008. http://theses.univ-reims.fr/exl-doc/GED00000801.pdf.

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Pour développer un matériau issu de ressources renouvelables, l'amidon plastifié a donc été mélangé au polyamide 11, issu de l'huile de ricin, dans le but d'améliorer ses propriétés mécaniques et sa résistance à l'eau. Malgré la forte polarité des liaisons amide, le mélange a besoin d'être compatibilisé. Les différents compatibisants étudiés sont des polysaccharides anioniques susceptibles de développer des interactions avec le polyamide et l'amidon: alginate de sodium, carraghenane et carboxymethylcellulose. Des tests en mélangeur interne montrent que seule la carboxyméthylcellulose (CMC) per

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Le, Cras Guillaume. "Ιmpact sur les prοpriétés barrière de matériaux biοsοurcés multicοuches. Relatiοns mise en οeuvre-mοrphοlοgie-prοpriétés". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMR094.

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L'objectif du projet de thèse est de développer des films multicouches à base de polymères biosourcés par coextrusion multicouche dans le but d'améliorer simultanément les propriétés barrières aux petites molécules et les propriétés mécaniques. Le polyamide 11 (PA11) et l'acide polylactique (PLA) ont des propriétés complémentaires. Le PA11, par ses températures de fusion et de cristallisation plus élevées, est le polymère confineur du PLA, ce qui induit un effet de confinement aux films multicouches. L’étude se concentre ainsi sur l'élaboration de films multicouches à partir de plusieurs grade

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Capítulos de libros sobre el tema "Polyamide 11 (PA11)"

Bashford, David. "Polyamide 11 (PA11)." In Thermoplastics. Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-009-1531-2_49.

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Actas de conferencias sobre el tema "Polyamide 11 (PA11)"

Vasselin, Thierry P. "Use of Polyamide 11 in Corrosive Applications." In CORROSION 1997. NACE International, 1997. https://doi.org/10.5006/c1997-97365.

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Abstract The industry has relied upon Polyamide 11 (PA11) for use in the offshore, natural gas distribution, automotive and industrial markets for the past 30 years. Its hydrocarbon resistance is among the best in the industry. As a result, the resin use in the following applications has expanded: offshore flexible pipe liners, natural gas pipe and fittings system, high pressure hydraulic hose and offshore umbilicals for corrosion inhibitors injection. New applications have been developed: 1) PA 11 liner inserted into a corroded steel pipe, It has been successfully used at temperatures up to 8

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Andersen, T. R., J. I. Skar, and C. Hansteen. "Permeability of Methane, Carbon Dioxide & Water in PA11 & PVDF Used for Flexible Pipes." In CORROSION 1999. NACE International, 1999. https://doi.org/10.5006/c1999-99410.

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Abstract Permeability of methane, carbon dioxide and water in plasticized polyvinylidene fluoride (PVDF) and plasticized polyamid 11 (PA11) has been measured for a number of temperatures and pressures in a small scale test apparatus and permeability coefficients have been calculated. The results have been used to predict if the annulus of flexible pipes will be water wet. For verification of the small scale test, a large scale test has also been carried out in a 50 mm flexible pipe. Both test methods show that the annulus of flexible pipes will be water wet when carrying gas and water. This im

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Sperry, McKay, Annie Busath, Michael Ottesen, Jacob Heslington, and Nathan Crane. "Post-Processing and Material Properties of Nylon 12 Prepared by Laser-Powder Bed Fusion." In ASME 2021 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/imece2021-69053.

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Abstract Laser Powder Bed Fusion (L-PBF) is a fabrication process in the Powder Bed Fusion (PBF) family of additive manufacturing. The key advantage to L-PBF over other manufacturing methods is design flexibility. Additional design flexibility, however, has previously come at the cost of reduced material properties. Polyamide 12 (PA12, Nylon 12) is a semicrystalline polymer with thermophysical properties that make it ideal for L-PBF. Although L-PBF PA12 has tensile strength comparable to injection molded PA12, it has substantially reduced ductility. This paper reports on a series of post-proce

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