Results 31 to 40 of about 19,274 (260)
Zaštita Materijala, 2018 The technology used in creating coatings is very important for the environmental science field. Regarless to the available types of raw materials, new methods of combining materials or the evolution of traditional technologies, coatings provide a range ...
Mirjana Jovičić +6 more
doaj +1 more source
A Curved Microstrip Patch Antenna Designed From Transparent Conductive Films
IEEE Access, 2023 Transparent microstrip patch antennas suffer from low radiation efficiency and gain when manufactured using transparent conductive films (TCFs), mainly at low frequency (starting from the microwave S band).
Giorgio Montisci +5 more
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Modulation of release kinetics by plasma polymerization of ampicillin-loaded ß-TCP ceramics [PDF]
, 2016 Beta-tricalcium phosphate (ß-TCP) bioceramics are employed in bone repair surgery. Their local implantation in bone defects puts them in the limelight as potential materials for local drug delivery.
Avilés, Marc +4 more
core +2 more sources
Nano-apatite/polymer composites: mechanical and physicochemical characteristics [PDF]
, 1997 Hydrothermally synthesized acicular nano-apatite (Nap) was used as filler to make composites with a polyethylene glycol/poly(butylene terephthalate) (PEG/PBT) block copolymer (Polyactive™70:30).
Blitterswijk, C.A. van +2 more
core +2 more sources
International Journal of Chemical Engineering, 2017 This study investigates treating polyethylene terephthalate (PET) waste water bottles with different mass of ethylene glycol (EG) using reactive extrusion technique at a temperature of 260°C. The study puts emphases on evaluating the thermal, mechanical,
Mahmoud A. Mohsin +2 more
doaj +1 more source
U.Porto Journal of Engineering, 2023 Polyethylene terephthalate (PET) has many advantageous properties required for the packaging industry. However, the safe disposal of PET waste is an environmental challenge.
Satish Waysal +2 more
doaj +1 more source
Chemical recycling of poly(ethylene terephthalate). Application to the synthesis of multiblock copolyesters [PDF]
, 2014 The chemical recycling of the poly(ethylene terephthalate), (PET), has been successfully carried out by glycolysis in the presence of bis (2-hydroxyethyl) terephthalate (BHET) resulting in the formation of hydroxytelechelic oligomers.
A. El Mejjatti +5 more
core +1 more source
Aerospace, 2019 The last decade has seen an almost exponential increase in the number of rocket launches for sounding missions or for delivering payloads into low Earth orbits.
Mitchell McFarland, Elsa Antunes
doaj +1 more source
Bio-polyethylene Furanoate (Bio-PEF) from Lignocellulosic Biomass Adapted to the Circular Bioeconomy
BioResources, 2022 There is a global trend to replace the production of conventional recyclable plastics with biobased ones, allowing a sustainable alternative adapted to the current concept of a circular bioeconomy.
Carolina Mónica Mendieta +3 more
doaj +2 more sources
Thermal properties of MECDP copolyesters [PDF]
, 2012 MECDP copolyesters based on poly(ethylene terephthalate) were prepared with sodium-5-sulfo-bis-(hydroxyethyl)-isophthalate and poly(ethylene glycol) units as modifiers.
Gao Yu +5 more
core +1 more source