Relevant bibliographies by topics / Polylactic acid polymers

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Polylactic acid polymers'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 February 2022

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Journal articles on the topic "Polylactic acid polymers"

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Sreekumar, Kalyani, B. Bindhu, and K. Veluraja. "Perspectives of polylactic acid from structure to applications." Polymers from Renewable Resources 12, no. 1-2 (2021): 60–74. http://dx.doi.org/10.1177/20412479211008773.

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The demand for an adoption of renewable resources rather than finitely available non renewable sources for industrial purposes are rising, with the growing environmental constraints. Polymers being one of the crucial part of almost all the industries, pioneer in the list of sources needed for various applications. This makes polymers that can be obtained from renewable sources being studied widely and are anticipated to make a revolution in the field of packaging industry, medical field, and automobile industry. Polylactic acid (PLA) is one among such biopolymers, which is an aliphatic polyest
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Bhandari, Netra Lal, Ganesh Bhandari, Sunita Bista, Basant Pokhrel, Kabita Bist, and Kedar Nath Dhakal. "Degradation of fundamental polymers/plastics used in daily life: a review." BIBECHANA 18, no. 1 (2021): 240–53. http://dx.doi.org/10.3126/bibechana.v18i1.29619.

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Polymers are made from the monomers that are used for packaging purposes. The degradation of polymers can take place either abiotic or biotic pathways. Abiotic pathway occurs from thermal, photo-degradation, and catalytic methods whereas, biotic occurs in presence of different types of microorganisms. The degradation of polymers (polyethylene and polylactic acid) was explained by the thermal, catalytic, and biodegradation process. The thermal degradation of polyethylene and polylactic acid was explained by the thermogravimetric analysis (TGA) curve. Catalysts such as zeolites and amorphous sil
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Lunt, James, and Andrew L. Shafer. "Polylactic Acid Polymers from Com. Applications in the Textiles Industry." Journal of Industrial Textiles 29, no. 3 (2000): 191–205. http://dx.doi.org/10.1177/152808370002900304.

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Tables 10 and 11 summarize the key takeaways. Looking at the world of “Technical Textiles” (Table 12) it is clear that this unique spectrum of properties will allow PLA polymers to participate in a wider range of markets. In particular, in this segment, the unique combination of outstanding resistance to sunlight, resiliency, and elastic recovery offers potential for use in tents, patio umbrellas, and awnings. In addition, automotive applications requiring high moisture wicking and UV stability, such as seating will benefit from these materials. The high loft and resiliency offers promise in s
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Salehiyan, Reza, A. A. Yussuf, Nurul Fatin Hanani, Azman Hassan, and Abozar Akbari. "Polylactic acid/polycaprolactone nanocomposite." Journal of Elastomers & Plastics 47, no. 1 (2013): 69–87. http://dx.doi.org/10.1177/0095244313489906.

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Kumar Singh, Sanjay, Prashant Anthony, and Abhishek Chowdhury. "High Molecular Weight Poly(lactic acid) Synthesized with Apposite Catalytic Combination and Longer time." Oriental Journal of Chemistry 34, no. 4 (2018): 1984–90. http://dx.doi.org/10.13005/ojc/3404036.

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Biodegradable polymeric materials derived from renewable resources have attracted tremendous attention in different application. Polylactic acid (PLA) is one of the most useful biodegradable polymers. It is difficult to synthesize high molecular weight polylactic acid by direct polycondensation. The present work describes the synthesis of high molecular weight PLA by varying the duration of reaction and changing the sequence of catalyst addition. Binary catalyst used was SnCl2.2H2O/maleic anhydride and p-toluene sulfonic acid. PLA with molecular weight (6.503X105) was obtained in 50 hours. FTI
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Sahu, Govind, M. S. Rajput, and S. P. Mahapatra. "Effect of Calcium Phosphate on Tensile and Rheological Properties of Polylactic Acid (PLA)." Materials Science Forum 969 (August 2019): 404–8. http://dx.doi.org/10.4028/www.scientific.net/msf.969.404.

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From the last few decades, biodegradable composites have become best alternatives over the petro based polymer because these degrade in the simple compound in the natural environments. Among the available biodegradable polymers, polylactic acid (PLA) is more popular due to its biocompatibility and mechanical properties, that can be used in the biomedical application, such as sutures, bone and ligament fixation screws etc. In this study, synthesis of PLA was performed by ring opening polymerization and Calcium phosphate/Polylactic acid (PLA) bio-composites were prepared by melt mixing technique
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Malchikhina, Alena I., Evgeny N. Bolbasov, and Sergey I. Tverdokhlebov. "The Influence of Radio Frequency Magnetron Sputtering on Biodegradable Polymers Surface Properties." Advanced Materials Research 1040 (September 2014): 795–99. http://dx.doi.org/10.4028/www.scientific.net/amr.1040.795.

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The paper investigated the modifying possibility of the biodegradable polymer materials surface (polylactic acid and polycaprolactone) in radio frequency discharge plasma, initiating hydroxyapatite solid target sputtering. It was demonstrated that discharge plasma treatment adjusts the surface properties of biodegradable polymers – surface free energy and the wetting angle. The disadvantage of biodegradable polymers, limiting their use in reconstructive medicine, is their hydrophobicity. The surface of biodegradable polymers becomes hydrophilic after modification.
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Peng, Qingyuan, Jingzhen Cheng, Shaorong Lu, and Yuqi Li. "Electrospun hyperbranched polylactic acid–modified cellulose nanocrystals/polylactic acid for shape memory membranes with high mechanical properties." Polymers for Advanced Technologies 31, no. 1 (2019): 15–24. http://dx.doi.org/10.1002/pat.4743.

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Kawashima, Nobuyuki. "A Development of Polylactic Acid as Bio-based Polymers." Journal of Synthetic Organic Chemistry, Japan 61, no. 5 (2003): 496–505. http://dx.doi.org/10.5059/yukigoseikyokaishi.61.496.

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Fang, Qi, and Milford A. Hanna. "Rheological properties of amorphous and semicrystalline polylactic acid polymers." Industrial Crops and Products 10, no. 1 (1999): 47–53. http://dx.doi.org/10.1016/s0926-6690(99)00009-6.

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Dissertations / Theses on the topic "Polylactic acid polymers"

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Bentz, Kyle C. "Synthesis and Characterization of Linear and Branched Polylactic Acid for Use in Food Packaging Applications." DigitalCommons@CalPoly, 2011. https://digitalcommons.calpoly.edu/theses/578.

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Polylactic acid (PLA) resins of various molecular weights and molecular weight distributions were synthesized. Linear, narrow molecular weight distribution (MWD) PLA resins were synthesized, as well as resins containing both high molecular weight branched structures and low molecular weight chains and oligomers. Narrow MWD resins were synthesized for use as adhesives for corrugated paperboard and broad MWD resins were synthesized for use as a waterborne coating. PLA resins were dispersed for use as a waterborne coating. Success has been made at forming films utilizing various plasticizers and
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Wright, Colin. "Functional PLA Based Systems." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1449831677.

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Biernesser, Ashley B. "Synthesis of Diverse Degradable Polymers by Redox-Switchable Iron-Based Catalysis:." Thesis, Boston College, 2017. http://hdl.handle.net/2345/bc-ir:107403.

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Thesis advisor: Jeffery A. Byers<br>Chapter 1. Poly(lactic acid) (PLA) is a biodegradable polymer derived from renewable resources that has garnered much interest in recent years as an environmentally friendly substitute to conventional petroleum-derived engineering polymers. PLA has many applications in textiles, packaging, compostable consumables, and biomedical devices, as PLA displays excellent biocompatibility. This polymer is primarily produced from the ring-opening polymerization of lactide, a cyclic dimer of lactic acid. This introductory chapter highlights mechanistic features of this
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Chumeka, Wannapa. "Improvement of compatibility of poly(lactic acid) blended with natural rubber by modified natural rubber." Phd thesis, Université du Maine, 2013. http://tel.archives-ouvertes.fr/tel-01018026.

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The aim of this research work was to improve the compatibility of polymer blends made from poly(lactic acid) and natural rubber (PLA/NR blends) by using modified natural rubber as a compatibilizer. Natural rubber was chemically modified into two categories: natural rubber grafted poly(vinyl acetate) copolymer (NR-g-PVAc) and block copolymers (PLA-NR diblock copolymer and PLA-NR-PLA triblock copolymer). PLA/NR blends were prepared by melting blending in a twin screw extruder and compression molded to obtain a 2-mm thick sheet. The blends contained 10-20 wt% of NR and modified NR, and the impact
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Gissentaner, Tremaine D. "Development of Conductive Green Polymer Nano-Composite for use in Construction of Transportation Infrastructure." Ohio University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1408697877.

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Jasti, Bhaskara Rao. "Characterization of polymorphic forms and in vitro release of etoposide from poly-DL-lactic and poly-DL-lactic-co-glycolic acid micromatrices." Scholarly Commons, 1995. https://scholarlycommons.pacific.edu/uop_etds/2654.

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Etoposide has been shown to be effective in the treatment of testicular and small-cell lung cancers, lymphoma, leukemia and Kaposi's sarcoma. Several clinical investigations have suggested that the prolonged maintenance of greater than 1 $\mu$g/ml concentration in plasma would provide better therapeutic response in patients. Thus use of a sustained/controlled release formulation of etoposide was indicated. This investigation focused on the potential for the development of a sustained/controlled release dosage form of etoposide for a 7-15 day delivery using selected polylactic and polylactic-co
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Marais, Andrew. "Xyloglucan modification using controlled polymer grafting for biocomposite applications." Thesis, KTH, Centrum för Biofibermaterial, BiMaC, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-90872.

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Kriel, Haydn. "Polylactic acid core-shell fibres by coaxial electrospinning." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/4289.

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Thesis (MSc (Chemistry and Polymer Science))--University of Stellenbosch, 2010.<br>ENGLISH ABSTRACT: The work presented in this dissertation describes the use of coaxial electrospinning of two miscible polymer solutions in the preparation of core-shell fibres with a semicrystalline core of poly(L-lactic acid) and an amorphous shell of poly(D,L-lactic acid). Additionally it describes using these fibres in the production of single polymer composite yarns and films. These materials can potentially be used in applications that require biodegradable and fibre-reinforced composite materials e.
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Walha, Fatma. "Elaboration de mélanges à base de Bio-polymères : Etude des corrélations entre structure, propriétés et transformation." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSEI075.

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Cette étude est une contribution à la mise au point d’un nouveau matériau filmogène multiphasique, originaire de ressources naturelles et destiné à l’emballage alimentaire. La voie proposée consiste à élaborer un mélange poly (acide lactique) [PLA]/ polyamide 11 [PA11] à différentes compositions; le principal avantage étant d’offrir un éventail de propriétés difficile à réunir sur un même polymère. Les différentes formulations, PLA/PA11, élaborées à l’état fondu dans une extrudeuse bivis ont été étudiés du point de vue des propriétés rhéologiques, thermique, mécanique et de la morphologie. Dif
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Scherger, Carolyn Scherger. "Synthesis and Functionalization of Polyesters and Poly(ester carbonate)s Based on 3-Hydroxypropionic Acids." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1530201553516796.

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Books on the topic "Polylactic acid polymers"

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Piemonte, Vincenzo. Polylactic acid: Synthesis, properties, and applications. Nova Science Publishers, 2011.

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Piemonte, Vincenzo. Polylactic Acid: Synthesis, Properties and Applications. Nova Science Publishers, Incorporated, 2014.

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Ruseckaite, Roxana, Alejandro Muller, Iiaria Armentano, Mercedes Peltzer, and Mercedes Peltzer. Poly Science and Technology: Processing, Properties, Additives and Applications. Royal Society of Chemistry, The, 2014.

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Book chapters on the topic "Polylactic acid polymers"

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Hartmann, M. H. "High Molecular Weight Polylactic Acid Polymers." In Biopolymers from Renewable Resources. Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-662-03680-8_15.

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Hassan, Azman, Harintharavimal Balakrishnan, and Abozar Akbari. "Polylactic Acid Based Blends, Composites and Nanocomposites." In Advances in Natural Polymers. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-20940-6_11.

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Chauhan, Narendra Pal Singh, Vahid Shabafrooz, and Masoud Mozafari. "6. Polylactic acid and polyethylene glycol as antimicrobial agents." In Biocidal Polymers, edited by Narendra Pal Singh Chauhan. De Gruyter, 2019. http://dx.doi.org/10.1515/9783110639131-006.

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Sharif, Ahmed, Sudipta Mondal, and Md Enamul Hoque. "Polylactic Acid (PLA)-Based Nanocomposites: Processing and Properties." In Bio-based Polymers and Nanocomposites. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-05825-8_11.

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Mulchandani, Neha, Arvind Gupta, and Vimal Katiyar. "Polylactic Acid-Based Hydrogels and Its Renewable Characters: Tissue Engineering Applications." In Polymers and Polymeric Composites: A Reference Series. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-77830-3_51.

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Mulchandani, Neha, Arvind Gupta, and Vimal Katiyar. "Polylactic Acid Based Hydrogels and Its Renewable Characters: Tissue Engineering Applications." In Polymers and Polymeric Composites: A Reference Series. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-76573-0_51-1.

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Thongchul, Nuttha. "Production of Lactic Acid and Polylactic Acid for Industrial Applications." In Bioprocessing Technologies in Biorefinery for Sustainable Production of Fuels, Chemicals, and Polymers. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118642047.ch16.

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Rahman, Md Rezaur, Sinin Hamdan, and Muhammad Khusairy Bin Bakri. "Polylactic Acid Activated Bamboo Carbon Nanocomposites." In Bamboo Polymer Nanocomposites. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68090-9_4.

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Rahman, Md Rezaur, and Muhammad Khusairy Bin Bakri. "Bamboo Nanocellulose Reinforced Polylactic Acid Nanocomposites." In Bamboo Polymer Nanocomposites. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-68090-9_8.

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Akbari, Abozar, Mainak Majumder, and A. Tehrani. "Polylactic Acid (PLA) Carbon Nanotube Nanocomposites." In Handbook of Polymer Nanocomposites. Processing, Performance and Application. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-45229-1_45.

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Conference papers on the topic "Polylactic acid polymers"

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Stloukal, Petr, Marek Koutny, Vladimir Sedlarik, and Pavel Kucharczyk. "Biodegradation of high molecular weight polylactic acid." In 6TH INTERNATIONAL CONFERENCE ON TIMES OF POLYMERS (TOP) AND COMPOSITES. AIP, 2012. http://dx.doi.org/10.1063/1.4738385.

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Aliotta, Laura, Patrizia Cinelli, Maria Cristina Righetti, Maria Beatrice Coltelli, and Andrea Lazzeri. "Effect of different nucleating agent on crystallinity and properties of polylactic acid." In 9TH INTERNATIONAL CONFERENCE ON “TIMES OF POLYMERS AND COMPOSITES”: From Aerospace to Nanotechnology. Author(s), 2018. http://dx.doi.org/10.1063/1.5045898.

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Canetti, Maurizio, Adriana Cacciamani, and Fabio Bertini. "Influence of lignin on morphology, structure and thermal behavior of polylactic acid-based biocomposites." In VIII INTERNATIONAL CONFERENCE ON “TIMES OF POLYMERS AND COMPOSITES”: From Aerospace to Nanotechnology. Author(s), 2016. http://dx.doi.org/10.1063/1.4949708.

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Jiang, W., A. Bakken, and R. P. Taleyarkhan. "Irradiation Induced Crosslinking in “Green” Polylactic-Acid (PLA) Polymers for Enhanced Strength and Elevated Temperature Applications." In 2020 International Conference on Nuclear Engineering collocated with the ASME 2020 Power Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/icone2020-16767.

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Abstract This paper presents interdisciplinary (nuclear-mechanical-materials-chemical) engineering technology and results pertaining to use of ionization radiation for tailoring “green”, renewable corn-soy based amorphous and crystalline form polymers for use as low-to-high temperature adhesives. Both amorphous and crystalline form polymer forms of such the Polylactic-Acid (PLA) polymer were studied with and without photon irradiation, alongside with and without cross-linking agent. In order to study and enhance the high-temperature application of PLA as a novel, multi-purpose adhesive, small
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Wang, Xiaoxi, Wei Li, and Vipin Kumar. "Solvent Free Fabrication of Biodegradable Porous Polymers." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59553.

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Biodegradable porous polymers with interconnected pores of sub-micrometers to a few hundred micrometers find many applications in emerging technology areas such as tissue engineering, controlled drug delivery, and biochemical sensors. However, most of the current fabrication processes involve organic solvents and chemical blowing agents that may cause environmental concerns and leave residues harmful to biological cells. This paper presents a solvent free fabrication approach for biodegradable porous polymers. Ultrasound cavitation is introduced after the solid state foaming process to produce
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Jing, Xin, Hao-Yang Mi, Lih-Sheng Turng, and Xiang-Fang Peng. "Study of Biobased Shape Memory Polylactic Acid/Thermoplastic Polyurethane (PLA/TPU) Blends." In ASME 2013 International Manufacturing Science and Engineering Conference collocated with the 41st North American Manufacturing Research Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/msec2013-1237.

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This paper presents the development of shape-memory polymers (SMPs) based on polylactic acid (PLA) and thermoplastic polyurethane (TPU) blends. PLA was melt blended with TPU at weight ratios of 20, 30, and 40%, and then injection molded and hot compressed into permanent shapes. Unlike most of the existing SMPs, all three PLA/TPU blends could be formed (via bending, folding, compression, stretching, etc.) into temporary shapes at room temperature without an extra heating step. Upon heating to above the glass transition temperature of PLA (at 70 °C), the deformed parts regained their original sh
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Molino, Jay J., Hirofumi Daiguji, and Fumio Takemura. "Size Control of Hollow Polylactic Acid Microcapsules and Hollow Polyelectrolyte Microcapsules in Bubble Template Method." In ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajtec2011-44556.

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Biodegradable hollow poly-lactic acid (PLA) microcapsules and hollow polyelectrolyte microcapsules made of poly-allylamine hydrochloride (PAH) were synthesized by directly adsorbing these polymers to N2 (air) and CO2 microbubbles respectively, using the bubble template method. To manufacture PLA microcapsules, droplets of a solution of PLA in methylene chloride (CH2Cl2) were emulsified in water. Then by solvent diffusion, N2 microbubbles nucleated inside the droplets and PLA adsorbed to the bubble surface to form microcapsules. Likewise, for PAH microcapsules, when an aqueous solution of Na2CO
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Kalia, Karun, and Amir Ameli. "Interfacial Bond Strength of Various Rigid/Soft Multi-Materials Printed via Fused Filament Fabrication Process." In ASME 2020 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/smasis2020-2298.

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Abstract Layered multi-materials of dissimilar polymers and their nanocomposites offer new opportunities as smart materials and structures. A critical aspect of such structures is the quality of interlayer adhesion between dissimilar polymer matrices. This work reports the development of asymmetric double cantilever beam (ADCB) specimens of dissimilar polymers and its use in the analysis and understanding of their interlayer adhesion in 3D-printed rigid/soft interfaces. Acrylonitrile butadiene styrene (ABS), polycarbonate (PC), polylactic acid (PLA) were chosen as the rigid polymers and combin
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Zhang, Qi, and Pierre Mertiny. "Effect of Graphene Nanoplatelet Addition on the Conductive Behavior of Solution Mixing Processed Polylactide Biopolymer Nanocomposites." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-12053.

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Abstract The fabrication of highly thermally and electrically conductive polymer materials is of interest for multiple applications, for example, in electronics packaging and biosensors. Polylactic acid (PLA), a commercially available and biodegradable polyesters, is widely used and studied since it is considered a environmentally friendly alternative to petrochemical-based synthetic polymers. In the present study, graphene nanoplatelets (GNP) reinforced PLA composites were prepared via solution blending followed by a compression molding process. Various physical and thermo-mechanical analyses
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Flaata, Tiffaney, Gregory J. Michna, and Todd Letcher. "Thermal Conductivity Testing Apparatus for 3D Printed Materials." In ASME 2017 Heat Transfer Summer Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/ht2017-4856.

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Additive manufacturing, the layer-by-layer creation of parts, was initially used for rapid prototyping of new designs. Recently, due to the decrease in the cost and increase in the resolution and strength of additively manufactured parts, additive manufacturing is increasingly being used for production of parts for end-use applications. Fused Deposition Modeling (FDM), a type of 3d printing, is a process of additive manufacturing in which a molten thermoplastic material is extruded to create the desired geometry. Many potential heat transfer applications of 3d printed parts, including the deve
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Reports on the topic "Polylactic acid polymers"

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Kennedy, Alan, Mark Ballentine, Andrew McQueen, Christopher Griggs, Arit Das, and Michael Bortner. Environmental applications of 3D printing polymer composites for dredging operations. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/39341.

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This Dredging Operations Environmental Research (DOER) technical note disseminates novel methods to monitor and reduce contaminant mobility and bioavailability in water, sediments, and soils. These method advancements are enabled by additive manufacturing (i.e., three-dimensional [3D] printing) to deploy and retrieve materials that adsorb contaminants that are traditionally applied as unbound powders. Examples of sorbents added as amendments for remediation of contaminated sediments include activated carbon, biochar, biopolymers, zeolite, and sand caps. Figure 1 provides examples of sorbent an
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