Results 41 to 50 of about 5,200,101 (397)

A comprehensive review on fused deposition modelling of polylactic acid

open access: yesProgress in Additive Manufacturing, 2022
Fused Deposition Modelling (FDM) is one of the additive manufacturing (AM) techniques that have emerged as the most feasible and prevalent approach for generating functional parts due to its ability to produce neat and intricate parts.
L. Sandanamsamy   +7 more
semanticscholar   +1 more source

Influence of Manufacturing Parameters and Post Processing on the Electrical Conductivity of Extrusion-Based 3D Printed Nanocomposite Parts [PDF]

open access: yes, 2020
The influence of manufacturing parameters of filament extrusion and extrusion-based Additive Manufacturing (AM), as well as different post processing techniques, on the electrical conductivity of 3D printed parts of graphene nanoplatelets (GNP ...
Gacía, Joshua   +3 more
core   +2 more sources

POLYLACTIC ACID INTER-CHAIN INTERACTIONS

open access: yesStudia Universitatis Babes-Bolyai Chemia, 2022
Geometry optimization of perpendicular, antiparallel and parallel dimers were employed in order to analyze the relative energy values. The weakest interactions are seen for the perpendicular structures; among those, the strongest are for π, 310, while ...
Izabella IRSAI   +2 more
doaj   +1 more source

The Life Cycle Assessment for Polylactic Acid (PLA) to Make It a Low-Carbon Material

open access: yesPolymers, 2021
The massive plastic production worldwide leads to a global concern for the pollution made by the plastic wastes and the environmental issues associated with them.
Erfan Rezvani Ghomi   +8 more
semanticscholar   +1 more source

COMPUTATIONAL INVESTIGATION OF SPECTROSCOPIC PARAMETERS IN PUTATIVE SECONDARY STRUCTURE ELEMENTS FOR POLYLACTIC ACID AND COMPARISON WITH EXPERIMENT

open access: yesStudia Universitatis Babes-Bolyai Chemia, 2017
Putative elements of secondary, tertiary and quaternary structure were examined for polylactic acid chains, attempting a parallel with secondary structure elements known from protein biology and also attempting an estimate, based on accurate atomic ...
Izabella IRSAI   +3 more
doaj   +1 more source

Fabrication and Evaluation of in Vitro Studies of Biodegradable and Antibacterial Composite Scaffolds Based on Polylactic Acid-Polycaprolactone-Hydroxyapatite Reinforced with Graphene and Zinc Oxide Nanoparticles for Use in Orthopedic Surgery [PDF]

open access: yesIranian Journal of Materials Science and Engineering, 2022
Fabrication of fully optimized tissue-engineered materials in order to simulating the natural structure, and enhancing the biological properties of damaged tissue is one of the major challenges in biomedical engineering and regeneration medicine ...
Farnaz Dehghani Firoozabadi   +2 more
doaj  

Deep subcutaneous application of poly-L-lactic acid as a filler for facial lipoatrophy in HIV-infected patients [PDF]

open access: yes, 2005
Introduction: Facial lipoatrophy is a crucial problem of HIV-infected patients undergoing highly active antiretroviral therapy (HAART). Poly-L-lactic acid (PLA), provided as New-Fill(R)/Sculptra(TM), is known as one possible treatment option. In 2004 PLA
Anonymous   +25 more
core   +1 more source

Durable Polylactic Acid (PLA)-Based Sustainable Engineered Blends and Biocomposites: Recent Developments, Challenges, and Opportunities

open access: yesACS Engineering Au, 2021
The paper comprehensively reviews durable polylactic acid (PLA)-based engineered blends and biocomposites supporting a low carbon economy. The traditional fossil fuel derived nonrenewable durable plastics that cannot be circumvented have spawned ...
Neelima Tripathi, M. Misra, A. Mohanty
semanticscholar   +1 more source

Compressive deformation of expanded polylactic acid resin subjected to quasi-static and dynamic loadings at wide temperatures

open access: yesMechanical Engineering Journal, 2016
Many kinds of polymer foams are used in various situations. Especially, polymer foams are often used for shock absorber, therefore, there are many studies focusing on the effect of strain rate on the compressive properties, such as strength and absorbed ...
Akifumi YOSHIMOTO   +3 more
doaj   +1 more source

Effect of fibre treatments on interfacial shear strength of hemp fibre reinforced polylactide and unsaturated polyester composites [PDF]

open access: yes, 2011
Surface treatment of hemp fibres was investigated as a means of improving interfacial shear strength (IFSS) of hemp fibre reinforced polylactide (PLA) and unsaturated polyester (UPE) composites. Fibres were treated with sodium hydroxide, acetic anhydride,
Fernyhough, Alan   +2 more
core   +2 more sources

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