Results 291 to 300 of about 17,344 (346)

Dynamically crosslinked-interpenetrating networks for sustainable 3D-printed elastomeric foams. [PDF]

Nat Commun
Peng S, Zheng X, Liu C, Yang J, Lin E, Huang X, Weng Z, Zheng L, Chen W, Peng X, Wu L.   +10 more
europepmc   +1 more source

Synthesis of biodiesel in supercritical alcohols and supercritical carbon dioxide [PDF]

Fuel, 2010
Abstract Biodiesel was synthesized in supercritical fluids by two routes: non-catalytically in supercritical alcohols and by enzyme catalysis in supercritical carbon dioxide. Two oils, sesame oil and mustard oil, and two alcohols, methanol and ethanol, were used for the synthesis.
Parag A Deshpande, Giridhar Madras
exaly   +4 more sources

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Carbon Nanotube Synthesis in Supercritical Toluene

Journal of the American Chemical Society, 2004
Multiwall carbon nanotubes (MWNTs) were synthesized in supercritical toluene at 600 degrees C and approximately 12.4 MPa using ferrocene, Fe, or FePt nanocrystals as growth catalysts. Toluene serves as both the carbon source for nanotube formation and the solvent.
Lee, DC Lee, DohChang, Mikulec, FV, Korgel, BA   +2 more
openaire   +3 more sources

Synthesis of Fluoropolymers in Supercritical Carbon Dioxide

Science, 1992
Fluoropolymers are used in many technologically demanding applications because of their balance of high-performance properties. A significant impediment to the synthesis of variants of commercially available amorphous fluoropolymers is their general insolubility in most solvents except chlorofluorocarbons (CFCs).
J M, Desimone, Z, Guan, C S, Elsbernd
openaire   +2 more sources

Supercritical and subcritical turbidity currents and their deposits--A synthesis

Geology, 2014
Common facies models of turbidite deposits are based on idealized sequences of turbiditeunits, which are assumed to reflect the depositional processes of a decelerating turbidity current.We show how suites of turbidite units, i.e., distinct turbidite facies associations thatare easily described from core and outcrop, may characterize the entire range ...
Postma, G., Cartigny, M.J.B.
openaire   +4 more sources

Synthesis of biodiesel in supercritical fluids

Fuel, 2004
Biodiesel, an alternative biodegradable diesel fuel, is derived from triglycerides by transesterification with alcohols. In this work, the transesterification of sunflower oil was investigated in supercritical methanol and supercritical ethanol at various temperatures $(200-400^o C)$ at 200 bar.
Madras, Giridhar, Kolluru, Chandana, Kumar, Rajnish   +2 more
openaire   +1 more source

MIP Synthesis and Processing Using Supercritical Fluids

2021
Supercritical fluid technology provides a clean and straightforward way for the preparation of high affinity polymeric materials. Molecularly Imprinted Polymers (MIPs) as dry, free-flowing powders are obtained in a one-step synthetic route yielding molecular recognition materials for several applications. Herein, we describe the experimental procedures
Ana I, Furtado, Raquel, Viveiros, Teresa, Casimiro   +2 more
openaire   +2 more sources

Synthesis of Supercritical Crystallization Processes

Industrial & Engineering Chemistry Research, 2005
Supercritical crystallization using carbon dioxide has become a favorite alternative to conventional processes such as evaporative crystallization and antisolvent crystallization. Phase diagrams that show the regions where various phases are present can facilitate the design of such processes.
Harjo, Benny, Ng, Ka Ming, Wibowo, Christianto   +2 more
openaire   +2 more sources