Physicochemical Characterization of Polyvinyl Pyrrolidone: A Tale of Two Polyvinyl Pyrrolidones [PDF]
Of several samples of polyvinyl pyrrolidone (PVP) used to coat and stabilize freshly manufactured aqueous dispersions of silver nanoparticles, one batch gave anomalous results: the dispersion maintained continued stability, even on extensive dilution. Our efforts to understand this desirable feature concluded that the generally used spectral method of ...
Laura Karina Mireles+4 more
openaire +3 more sources
Preparation and characterization of innovative poly(butylene adipate terephthalate)-based biocomposites for agri-food packaging application [PDF]
The present work reports on the preparation and subsequent mechanical, morphological and thermal characterization of composites based on poly(butylene adipate terephthalate) (PBAT), reinforced with micro-particles of inorganic bioabsorbable calcium ...
Alberto Giubilini+6 more
core +5 more sources
Sediment grain size determines microplastic exposure landscapes for sandy beach macroinfauna [PDF]
Despite the global occurrence of microplastic contamination on sandy beaches, evidence of microplastic distribution within beaches remains contradictory.
Celentano, Eleonora+6 more
core +1 more source
Accuracy of different impression materials in parallel and nonparallel implants
Background: A precise impression is mandatory to obtain passive fit in implant-supported prostheses. The aim of this study was to compare the accuracy of three impression materials in both parallel and nonparallel implant positions.
Mahroo Vojdani+2 more
doaj +1 more source
Elevação da taxa de estruturação de concretos para impressão 3D: o efeito de aditivos modificadores de viscosidade [PDF]
In the last decades, 3D printing has emerged as a promising new paradigm for manufacturing. Even in the civil construction industry, it has gained attention from companies and researchers around the world.
Hasse, J. A.+3 more
core +2 more sources
Microplastics and synthetic particles ingested by deep-sea amphipods in six of the deepest marine ecosystems on Earth [PDF]
Funding Funding for the laboratory work and analysis was from Newcastle University internal support. This work was supported by the 2007–2010 HADEEP project, funded by the Nippon Foundation (2009765188) and the Natural Environmental Research Council (NE ...
Brooks, L. S.R.+5 more
core +2 more sources
Green process intensification using microreactor technology for the synthesis of biobased chemicals and fuels [PDF]
Microreactor technology as an important means of process intensification has opened vast opportunities for green and sustainable chemical synthesis. Over the past decade, a promising research direction has been seen in the utilization of microreactors ...
Yue, Jun
core +1 more source
Effect of Polyvinyl Pyrrolidone on Polyvinyl Chloride-Graft-Acrylamide Membranes [PDF]
Polyvinyl-chloride (PVC) was dehydrochlorinated by alkaline-solution (NaOH) in determining molarity (3.0 M) followed by grafting with acrylamide (AM) monomer onto dehydrochlorinated PVC (DHPVC) backbone by free-radical graft copolymerization to produce new grafted polymer referred as graft 3M. Then investigated the effect of polyvinyl pyrrolidone (PVP)
Maha J. M. Al-Bahate+2 more
openaire +2 more sources
Gas separations using mixed matrix membranes [PDF]
Mixed matrix membranes capable of separating carbon dioxide from mixtures including carbon dioxide and methane, and processes for purifying methane using the membranes, are disclosed.
De Q. Vu+3 more
core +1 more source
Bio-based aliphatic/aromatic poly(trimethylene furanoate/sebacate) random copolymers:Correlation between mechanical, gas barrier performances and compostability and copolymer composition [PDF]
Highly promising fully biobased random copolyesters, poly(trimethylene 2,5-furandicarboxylate-co-trimethylene sebacate) (PTFcoPTSeb), were synthesized by using bio derived 1,3-propanediol, dimethyl ester of 2,5- furandicarboxylic acid, and sebacic acid ...
Guidotti, Giulia+6 more
core +1 more source