Relevant bibliographies by topics / Polybutylene adipate terephthalate (PBAT)

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Academic literature on the topic 'Polybutylene adipate terephthalate (PBAT)'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Polybutylene adipate terephthalate (PBAT)"

1

Neng, Wen-Bo, Wen-Guang Xie, Bo Lu, Zhi-Chao Zhen, Jun-Long Zhao, Ge-Xia Wang, and Jun-Hui Ji. "Biodegradable thermoplastic copolyester elastomers: Methyl branched PBAmT." e-Polymers 21, no. 1 (January 1, 2021): 336–45. http://dx.doi.org/10.1515/epoly-2021-0024.

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Abstract A series of novel biodegradable copolyesters named poly(butylene 3-methyl adipate co-terephthalate) (PBAmT) were synthesized from the monomers of 3-methyl adipic acid (AAm), 1,4-butanediol (BDO), and terephthalic acid (TPA) through a process of esterification and polycondensation. 1H NMR analysis shows that they are random copolymers whose composition can be well controlled by the feed ratio of monomers. From the results of DSC and XRD, the introduction of methyl group successfully destroys the crystallizability of the PBAm chains, thus making it become a relative soft segment compared to PBA, while these random PBAmT copolymers constructed by soft segment PBAm and rigid segment PBT change from semi-crystalline polymers to nearly amorphous polymers as the feed ratio of Am increases. Especially, mechanical tests reveal that the copolymers show outstanding elasticity and rebound resilience with excellent strength. These thermoplastic copolyester elastomers with good performance by simply introduction of branched methyl group on polybutylene adipate terephthalate (PBAT) copolymer chains may well explore the potential application of biodegradable PBAT-based material.
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Mistretta, Maria Chiara, Francesco Paolo La Mantia, Vincenzo Titone, Luigi Botta, Mariapia Pedeferri, and Marco Morreale. "Effect of ultraviolet and moisture action on biodegradable polymers and their blend." Journal of Applied Biomaterials & Functional Materials 18 (January 2020): 228080002092665. http://dx.doi.org/10.1177/2280800020926653.

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In this work, the suitability of polylactic acid (PLA), polybutylene adipate terephthalate (PBAT) and PBAT/PLA blend samples to outdoor applications were investigated in terms of mechanical, morphological and visual properties in presence of ultraviolet action and water, finding that PLA in particular can be actually considered for such applications.
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Yi, Tan, Minghui Qi, Qi Mo, Lijie Huang, Hanyu Zhao, Di Liu, Hao Xu, Chongxing Huang, Shuangfei Wang, and Yang Liu. "Ecofriendly Preparation and Characterization of a Cassava Starch/Polybutylene Adipate Terephthalate Film." Processes 8, no. 3 (March 11, 2020): 329. http://dx.doi.org/10.3390/pr8030329.

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Composite films of polybutylene adipate terephthalate (PBAT) were prepared by adding thermoplastic starch (TPS) (TPS/PBAT) and nano-zinc oxide (nano-ZnO) (TPS/PBAT/nano-ZnO). The changes of surface morphology, thermal properties, crystal types and functional groups of starch during plasticization were analyzed by scanning electron microscopy, synchronous thermal analysis, X-ray diffraction, infrared spectrometry, mechanical property tests, and contact Angle and transmittance tests. The relationship between the addition of TPS and the tensile strength, transmittance, contact angle, water absorption, and water vapor barrier of the composite film, and the influence of nano-ZnO on the mechanical properties and contact angle of the 10% TPS/PBAT composite film. Experimental results show that, after plasticizing, the crystalline form of starch changed from A-type to V-type, the functional group changed and the lipophilicity increased; the increase of TPS content, the light transmittance and mechanical properties of the composite membrane decreased, while the water vapor transmittance and water absorption increased. The mechanical properties of the composite can be significantly improved by adding nano-ZnO at a lower concentration (optimum content is 1 wt%).
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Kirsh, Irina, Yuliya Frolova, Olga Beznaeva, Olga Bannikova, Marina Gubanova, Isabella Tveritnikova, Valentina Romanova, and Yulia Filinskaya. "Influence of the Ultrasonic Treatment on the Properties of Polybutylene Adipate Terephthalate, Modified by Antimicrobial Additive." Polymers 12, no. 10 (October 19, 2020): 2412. http://dx.doi.org/10.3390/polym12102412.

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Particular attention is paid to biodegradable materials from the environmental point of view and antimicrobial materials that ensure the microbiological safety of packaged products. The aim of the work was to study the properties of the composition, based on biodegradable polybutylene adipate terephthalate (PBAT) and the antimicrobial additive—birch bark extract (BBE). Test samples of materials were obtained on the laboratory extruder by extrusion with ultrasonic treatment of the melt. The concentration of the antimicrobial additive in the polymer matrix was 1 wt %. A complex research was carried out to study the structural, physico–mechanical characteristics, antimicrobial properties and biodegradability of the modified PBAT. Comparative assessment of the physico–mechanical characteristics of samples based on PBAT showed that the strength and elongation at break indices slightly decrease when the ultrasonic treatment of the melt is introduced. It was found out, that the antimicrobial additive in the composition of the polymer matrix at the concentration of 1 wt % has a static effect on the development of microorganisms on the surface of the studied modified films. Studies of the biodegradability of modified PBAT by composting for 4 months have shown that the decomposition period of modified materials increased, compared to pure PBAT. The developed modified polymer material can be recommended as an alternative replacement for materials based on polyethylene for food packaging.
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Nesaule, Arturs Eriks, Elina Didrihsone, Remo Merijs-Meri, Oskars Grigs, and Jānis Zicāns. "On the Development and Characterization of Rheological and Mechanical Properties of Polylactide Blends with Polybutylene Adipate Terephthalate." Key Engineering Materials 850 (June 2020): 118–23. http://dx.doi.org/10.4028/www.scientific.net/kem.850.118.

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Within the current report the first results of the upcoming multi-stage research cycle on the development of high-performance environmentally friendly PLA/PBAT blend based composite materials are presented. Development and basic characterization of PLA/PBAT blends at various wt.-to-wt. ratios of the base polymeric components is performed. Rheological properties of PLA and PBAT have been investigated by means of rotational viscometry to define the optimal blending parameters. PLA/PBAT blends have been obtained by using twin-screw extrusion. Structural features of the obtained polymer blend compositions have been revealed by means of Fourier transform infrared spectroscopy. Crystallization behavior of the obtained polymer blend compositions have been characterized by means of differential scanning calorimetry. Thermal stability of the obtained polymer blend compositions has been studied by using thermogravimetric analysis. Mechanical behavior of the obtained polymer blend compositions has been studied by means of both quasistatic (in respects to tensile and flexural properties) and dynamic tests (impact resistance).
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Park, Seong-Wook, Seong-Hun Kim, Hea-Sun Choi, and Hyun-Hok Cho. "Preparation and physical properties of biodegradable polybutylene succinate/polybutylene adipate-co-terephthalate blend monofilament by melt spinning." Bulletin of the Korean society of Fisheries Technology 46, no. 3 (August 31, 2010): 257–64. http://dx.doi.org/10.3796/ksft.2010.46.3.257.

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Pavon, Cristina, Miguel Aldas, Harrison de la Rosa-Ramírez, Juan López-Martínez, and Marina P. Arrieta. "Improvement of PBAT Processability and Mechanical Performance by Blending with Pine Resin Derivatives for Injection Moulding Rigid Packaging with Enhanced Hydrophobicity." Polymers 12, no. 12 (December 2, 2020): 2891. http://dx.doi.org/10.3390/polym12122891.

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Polybutylene adipate-co-terephthalate (PBAT) is a biodegradable polymer with good features for packaging applications. However, the mechanical performance and high prices of PBAT limit its current usage at the commercial level. To improve the properties and reduce the cost of PBAT, pine resin derivatives, gum rosin (GR) and pentaerythritol ester of GR (UT), were proposed as sustainable additives. For this purpose, PBAT was blended with 5, 10, and 15 wt.% of additives by melt-extrusion followed by injection moulding. The overall performance of the formulations was assessed by tensile test, microstructural, thermal, and dynamic mechanical thermal analysis. The results showed that although good miscibility of both resins with PBAT matrix was achieved, GR in 10 wt.% showed better interfacial adhesion with the PBAT matrix than UT. The thermal characterization suggested that GR and UT reduce PBAT melting enthalpy and enhance its thermal stability, improving PBAT processability. A 10 wt.% of GR significantly increased the tensile properties of PBAT, while a 15 wt.% of UT maintained PBAT tensile performance. The obtained materials showed higher hydrophobicity than neat PBAT. Thus, GR and UT demonstrated that they are advantageous additives for PBAT–resin compounding for rigid food packaging which are easy to process and adequate for industrial scalability. At the same time, they enhance its mechanical and hydrophobic performance.
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Yap, Saw Yin, Srimala Sreekantan, Mohd Hassan, Kumar Sudesh, and Ming Thong Ong. "Characterization and Biodegradability of Rice Husk-Filled Polymer Composites." Polymers 13, no. 1 (December 29, 2020): 104. http://dx.doi.org/10.3390/polym13010104.

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The fabrication of affordable biodegradable plastics remains a challenging issue for both the scientific community and industries as mechanical properties and biodegradability improve at the expense of the high cost of the material. Hence, the present work deals with fabrication and characterization of biodegradable polymer with 40% rice husk waste filler and 60% polymer-containing mixture of polybutylene succinate (PBS) and poly butylenes adipate-Co-terephthalate (PBAT) to achieve good mechanical properties, 92% biodegradation in six months, and competitive pricing. The challenge in incorporating high amounts of hydrophilic nature filler material into hydrophobic PBS/PBAT was addressed by adding plasticizers such as glycerol and calcium stearate. The compatibilizers such as maleic anhydride (MA) and dicumyl peroxide (DCP) was used to improve the miscibility between hydrophobic PBS/PBAT and hydrophilic filler material. The component with the formulation of 24:36:40 (PBS/PBAT/TPRH) possessed the tensile strength of 14.27 MPa, modulus of 200.43 MPa, and elongation at break of 12.99%, which was suitable for the production of molded products such as a tray, lunch box, and straw. The obtained composite polymer achieved 92% mass loss after six months of soil burial test confirming its biodegradability.
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Shrivastava, Nilesh Kumar, Ooi Shu Wooi, Azman Hassan, and Ibrahim Mohammed Inuwa. "Mechanical and flammability properties of poly(lactic acid)/poly(butylene adipate-co-terephthalate) blends and nanocomposites: Effects of compatibilizer and graphene." Malaysian Journal of Fundamental and Applied Sciences 14, no. 4 (December 16, 2018): 425–31. http://dx.doi.org/10.11113/mjfas.v14n4.1233.

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Poly(lactic acid) (PLA)/polybutylene adipate co-terephthalate (PBAT) blends were prepared by melt blending and compatibilized by glycidyl methacrylate (GMA). The effect of graphene nanoplatelets (GNP) on these compatibilized blends were investigated by incorporating GNP at different content. The formulated blend and nanocomposites were characterized for mechanical, morphological, thermal and flammability properties by using universal testing machine, impact tester, field emission scanning electron microscope (FESEM), x-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), limiting oxygen index (LOI) and UL-94 respectively. The incorporation of 8 phr GMA into PLA/PBAT (75:25) blend as a compatibilizer results in a significant increase in impact strength (more than 14 times higher) compared to the uncompatibilized blend. Young's modulus and tensile strength of compatibilized PLA/PBAT nanocomposites increased upon addition of GNP and reached maximum values at 4 phr before decreasing slightly. However, impact strength decreased with increasing GNP contents. The thermal stability and the flame retardancy of the GNP reinforced blend nanocomposites were also improved with an increase in nanofiller content and the maximum values for the nanocomposites were achieved at 6 phr. Interestingly, the nanocomposites samples showed a UL-94 rating of V0 at 4 and 6 phr of GNP. Morphological studies using FESEM showed the GNP were evenly distributed and dispersed in the PLA/PBAT nanocomposites. The current methodology to prepare PLA/PBAT blend nanocomposite is an economical way to produce high strength biodegradable polymer which also has good flame retardancy.
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Post, Wouter, Lambertus J. Kuijpers, Martin Zijlstra, Maarten van der Zee, and Karin Molenveld. "Effect of Mineral Fillers on the Mechanical Properties of Commercially Available Biodegradable Polymers." Polymers 13, no. 3 (January 27, 2021): 394. http://dx.doi.org/10.3390/polym13030394.

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In the successful transition towards a circular materials economy, the implementation of biobased and biodegradable plastics is a major prerequisite. To prevent the accumulation of plastic material in the open environment, plastic products should be both recyclable and biodegradable. Research and development actions in the past few decades have led to the commercial availability of a number of polymers that fulfil both end-of-life routes. However, these biobased and biodegradable polymers typically have mechanical properties that are not on par with the non-biodegradable plastic products they intend to replace. This can be improved using particulate mineral fillers such as talc, calcium carbonate, kaolin, and mica. This study shows that composites thereof with polybutylene succinate (PBS), polyhydroxybutyrate-hexanoate (PHBH), polybutylene succinate adipate (PBSA), and polybutylene adipate terephthalate (PBAT) as matrix polymers result in plastic materials with mechanical properties ranging from tough elastic towards strong and rigid. It is demonstrated that the balance between the Young’s modulus and the impact resistance for this set of polymer composites is subtle, but a select number of investigated compositions yield a combination of industrially relevant mechanical characteristics. Finally, it is shown that the inclusion of mineral fillers into biodegradable polymers does not negate the microbial disintegration of these polymers, although the nature of the filler does affect the biodegradation rate of the matrix polymer.
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Dissertations / Theses on the topic "Polybutylene adipate terephthalate (PBAT)"

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Kubíček, Václav. "Charakterizace vyfukovaných fólií z měkčeného polylaktidu." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2020. http://www.nusl.cz/ntk/nusl-414128.

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The master's thesis focuses on preparation of blown films from polylactid acid (PLA) which was blended with selected polyesteres – poly(butylene adipate-co-terephtalate) (PBAT), polycaprolactone (PCL) and polybutylene succinate (PBS) – and thermoplastic starch (TPS) in amount of 30% in order to soften PLA films. The influence of the aditives on static and mechanical tensile properties, on structure, morphology and thermal properties of the films was determined and the obtained parameters were compared to properties of films prepared from neat PLA and high density polyethylene (HDPE). The results showed that the additives increased crystalinity of PLA and thus significantly influenced the properties of the films. In contrast to the film from neat PLA, softening in terms of lowering glass transition temperature occured only by adding PBS and TPS, in terms of increasing ductility only by adding PBAT. All PLA films showed nearly constant elastic modulus up to the beginning of glass transition enabling their potential application till 50 °C. Preparation of the film with TPS was problematic and the film showed the worst mechanical properties. Preparation of other films was without any problems. The most promising additive from the tested ones was PBAT which showed comparable mechanical properties as the film from HDPE.
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Rizvi, Hussain R. "Bioinspired & biocompatible coatings of poly(butylene adipate-co-terephthalate) and layer double hydroxide composites for corrosion resistance." Thesis, University of North Texas, 2016. https://digital.library.unt.edu/ark:/67531/metadc849647/.

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Hierarchical arrangement of biological composites such as nacre and bone containing high filler (ceramic) content results in high strength and toughness of the natural material. In this study we mimic the design of layered bone microstructure and fabricate an optimal multifunctional bio-nanocomposite having strength, toughness and corrosion resistance. Poly (butylene adipate-co-terephthalate) (PBAT), a biodegradable polymer was used as a substrate material with the reinforcement of LDH (Layered double hydroxide) as a nanofiller in different concentrations to achieve enhancement in mechanical properties as well as processing related thermostability. Corrosion resistance was increased by mimicking a layered structured which incorporated a tortuous diffusion path.
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Rasyida, Amaliya, and Rui Li Ya. "Preparation and Characterization of Poly(butylene adipate-co-terephthalate) (PBAT) based Nanocomposites for Medical and Industrial applications." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/82625122211369080817.

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碩士
國立臺灣科技大學
材料科學與工程系
100
Poly (butylene adipate-co-terephthalate) (PBAT) nanocomposites were prepared by melt blending 5% and 10% of modified and unmodified montmorillonites (MMT), modified and unmodified fluorohectorites, and sepiolite. Since only few researchers reported about the possibility to use PBAT nanocomposites, the effect of a different organic modifier structure in nanoparticles on polymer nanocomposites as well as the effect of different clay type and loading were studied in this work in order to evaluate their possible application for both industrial and medical applications. Some morphological analyses (XRD, SEM, and TEM) were performed to observe the clays dispersion and distribution level. Thermal studies were employed for nanocomposite characterization including differential scanning calorimetry (DSC), thermo-gravimetric analysis (TGA) and dynamic mechanical thermal analysis (DMTA). For investigating the specimen wettability, contact angle measurements were carried out. Surface hardness and compression-mechanical tests were conducted to inquire the mechanical properties of the final materials. In vitro biocompatibility tests (protein adsorption, hemocompatibility and cell proliferation tests) were performed to study the biological interactions of the final specimens for medical applications. All nanocomposites showed a good level of clay intercalation into PBAT, especially those systems with a higher clay chemical affinity with the polymer matrix. Increases in the amount of clays in the polymer matrix brought increases in the mechanical properties of nanocomposites without significant changes in their biocompatibility level. The presence of different organic modifier in layered silicate nanocomposites gave different effect on the thermal-mechanical properties of PBAT, depending on their chemical affinity with the polymer matrix. It was found that sepiolite based nanocomposites showed best thermo-mechanical and physical properties among all the nanocomposites studied here. They showed higher thermo-mechanical improvements, in a wide range of temperature, as compared to the studied layered silicates nanocomposites, make these sepiolite nanoparticles the materials with the highest potential to be used for medical and/or for numerous environmental industrial applications (such as packaging), even without the need to use any kind of organic modifierand/or compatibiliser to obtain its very good dispersion within PBAT. In general, all these new materials studied here, especially those based on 10% clay could be very interesting for industrial and medical applications due to their considerable improved physical and mechanical properties as compare to the pristine polymer, and to their environmental safety and biocompatible properties.
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Conference papers on the topic "Polybutylene adipate terephthalate (PBAT)"

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Nobile, Maria Rossella, Andrea Crocitti, Mario Malinconico, Gabriella Santagata, and Pierfrancesco Cerruti. "Preparation and characterization of polybutylene succinate (PBS) and polybutylene adipate-terephthalate (PBAT) biodegradable blends." In 9TH INTERNATIONAL CONFERENCE ON “TIMES OF POLYMERS AND COMPOSITES”: From Aerospace to Nanotechnology. Author(s), 2018. http://dx.doi.org/10.1063/1.5046042.

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Su, Biao, Heidi Moe Føre, and Eduardo Grimaldo. "A Comparative Study of Mechanical Properties of Biodegradable PBSAT and PA Gillnets in Norwegian Coastal Waters." In ASME 2019 38th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/omae2019-95350.

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Abstract This paper presents a comparative study of mechanical properties of biodegradable PBSAT (polybutylene succinate co-adipate-co-terephthalate) and conventional polyamide (PA) gillnets used in Norwegian fisheries. Field tests were performed to simulate abandoned, lost, or otherwise discarded fishing gear. Changes in mechanical properties of PBSAT and PA nets in two Norwegian coastal environments were studied. Samples of biodegradable PBSAT gillnets and PA gillnets were placed inside modified lobster pots at four different locations: two outside the island Hitra in the middle of Norway and two outside Tromsø in the north of Norway. For each pot, seawater temperature was logged each hour, and net samples were retrieved for analyses at 3 to 9 months intervals. Tensile strength testing was performed to determine and compare mechanical properties of biodegradable and PA monofilaments and gillnets. Comparative analyses were conducted, aimed at investigating the different behaviors of biodegradable material and conventional PA material, and the possible influence of seawater temperature on the degradation process of biodegradable PBSAT gillnets. Reduced tensile strength and elongation at break, and a slight increase in stiffness was observed for both PA and PBSAT monofilaments after the field trial at Hitra, indicating degradation of both polymer materials. After 25 months immersion in seawater, the PBSAT gillnets exhibited a significant reduction of tensile strength due to seawater exposure (35%), and the tensile strength of PBSAT gillnets was then 26% lower than the average strength of the PA net samples.
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do Espirito Santo, Ana Maria, Patricia Oliveira de Andrade, Maíra Maftoum Costa, and Anderson de Oliveira Lobo. "Production of rotary jet spun ultrathin fibers of poly-butylene adipate-co-terephthalate (PBAT) filled with nanocomposites." In Advances in Microscopic Imaging, edited by Francesco S. Pavone, Emmanuel Beaurepaire, and Peter T. So. SPIE, 2017. http://dx.doi.org/10.1117/12.2286008.

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Rizvi, Hussain R., and Nandika D'Souza. "Design of a Multifunctional Porous Coaxial Electrospun Mesh Using Polycaprolactone (PCL) and Poly Butylene Adipate-CO-Terephthalate (PBAT)." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-67534.

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In this paper, we formulate a method to create a potential drug delivery vehicle and scaffold architecture of coaxial electrospun fibers. Having the capability to introduce porosity either in core or sheath of the fiber using supercritical CO2 as a foaming agent is utilized. Polycaprolactone (PCL) and Poly butylene adipate-co-terephthalate (PBAT) were used because of their biodegradable and biocompatible nature. Physical morphology of the porous coaxial fibers was studied using Scanning Electron Microscopy (SEM), Image J software was used to quantify the pore size and fiber diameter. Dynamic Mechanical Analysis (DMA) and Tensile Testing of the three-dimensional fibrous mesh was done to determine the mechanical properties of the porous structure. Differential Scanning Calorimeter (DSC) was used to study the thermal characteristics of the mesh.
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