Výsledky vyhledávání - "Luis A. S. de A. Prado"

Thermally reduced graphene oxide acting as a trap for multiwall carbon nanotubes in bi-filler epoxy composites

Autor: Folke Johannes Tölle, Luis A. S. de A. Prado, Karl Schulte, Gabriella Faiella, Rolf Mülhaupt, Swetha Chandrasekaran

Publikováno v: Composites Part A: Applied Science and Manufacturing. 49:51-57

The effect of thermally reduced graphene oxide (TRGO) on the electrical percolation threshold of multi wall carbon nanotube (MWCNT)/epoxy cured composites is studied along with their combined rheological/electrical behavior in their suspension state.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::10bd256d910d69211fb3bf5ffc05227d
https://doi.org/10.1016/j.compositesa.2013.02.008

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Hydrothermally resistant thermally reduced graphene oxide and multi-wall carbon nanotube based epoxy nanocomposites

Autor: Swetha Chandrasekaran, Luis A. S. de A. Prado, Folke Johannes Tölle, Rolf Mülhaupt, Olesja Starkova, Karl Schulte

Publikováno v: Polymer Degradation and Stability. 98:519-526

This study is focused on the investigation of thermo-mechanical properties of an epoxy resin filled with thermally reduced graphene oxide (TRGO) and multi-wall carbon nanotubes (MWCNT) after exposure of samples to hot distilled water. Addition of low

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a851b62136cf108faeb9fa15d7185fca
https://doi.org/10.1016/j.polymdegradstab.2012.12.005

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Tailoring the electrical properties of MWCNT/epoxy composites controlling processing conditions

Autor: Vincenza Antonucci, Luis A. S. de A. Prado, Samuel T. Buschhorn, Karl Schulte, Michele Giordano, Gabriella Faiella

Publikováno v: Composites Part A: Applied Science and Manufacturing. 43:1441-1447

The electrical percolation behavior of multiwall carbon nanotubes epoxy composites produced using sonication as dispersion process is studied. The electrical properties of the cured composites are related to the different internal carbon nanotube net

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f36293bc4a56b982d67f0b56854d8c3d
https://doi.org/10.1016/j.compositesa.2012.04.002

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Novel ceramic–polymer composites synthesized by compaction of polymer-encapsulated TiO2-nanoparticles

Autor: Andreas Schreyer, Gerold A. Schneider, Luis A. S. de A. Prado, Kristina Brandt, Hüseyin Özcoban, V. Salikov, Peter Staron, Karl Schulte, Stefan Heinrich

Publikováno v: Composites Science and Technology. 72:65-71

A novel processing route for producing composites from ceramic particles and a thermoplastic polymer with high ceramic content was developed. Via a radical emulsion polymerization reaction in an aqueous suspension, titanium dioxide is encapsulated by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e3878dd5848e8bf2566963e76550faf8
https://doi.org/10.1016/j.compscitech.2011.10.001

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Combined electrical and rheological properties of shear induced multiwall carbon nanotube agglomerates in epoxy suspensions

Autor: Wolfgang Bauhofer, Gabriella Faiella, S.T. Buschhorn, Karl Schulte, S.C. Schulz, Michele Giordano, Luis A. S. de A. Prado

Publikováno v: European Polymer Journal. 47:2069-2077

In this work the rheological and electrical properties of semi-dilute carbon nanotube (CNT)–epoxy suspensions have been discussed. The suspensions are produced using two types of industrially available CNTs (Nanocyl 3150 and 7000) and using two dif

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c5e1c33fb7590a9b2f74793bdb475567
https://doi.org/10.1016/j.eurpolymj.2011.07.022

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Titania-doped multi-walled carbon nanotubes epoxy composites: Enhanced dispersion and synergistic effects in multiphase nanocomposites

Autor: Montira Sriyai, Luis A. S. de A. Prado, Jan Sumfleth, Karl Schulte

Publikováno v: Polymer. 49:5105-5112

Multi-walled carbon nanotube-epoxy composites are modified with titania nanoparticles in order to obtain multiphase nanocomposites with an enhanced dispersion of carbon nanotubes. The dispersion is monitored using rheological and electrical conductiv

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ba47665a8a3151ed5fe3c0e2f4e1a69
https://doi.org/10.1016/j.polymer.2008.09.016

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Synthesis and characterization of aliphatic polyesters from glycerol, by-product of biodiesel production, and adipic acid

Autor: Nadia Mamede José, Michel M. Brioude, Raigenis da Paz Fiuza, Luis A. S. de A. Prado, Jaime Soares Boaventura, Danilo Hansen Guimarães

Publikováno v: Materials Research, Vol 10, Iss 4, Pp 335-339 (2007)
Materials Research v.10 n.4 2007
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Materials Research 4 (10): 335-339 (2007)
Materials Research, Volume: 10, Issue: 4, Pages: 335-339, Published: DEC 2007

In the present work, polyesters were prepared from the polycondensation between glycerol and adipic acid using dibutyltin dilaurate as catalyst. Three glycerol: adipic acid molar ratio were used for the bulk polymerization namely: 2:2; 2:3 and 2:4. F

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f44caf9333ceb2a061132b1820dd537b
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392007000400003

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Partially pyrolyzed poly(dimethylsiloxane)-based networks: Thermal characterization and evaluation of the gas permeability

Autor: Luis A. S. de A. Prado, Marco Antônio Schiavon, Nadia Mamede José, S. U. A. Redondo, Inez Valéria Pagotto Yoshida

Publikováno v: Journal of Polymer Science Part B: Polymer Physics. 45:299-309

In this investigation, the preparation and characterization of partially pyrolyzed membranes based on poly(dimethylsiloxane) (PDMS) are described. These membranes were obtained by the crosslinking of silanol-terminated PDMS with multifunctional nanoc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::edfc2d3adf1feeeb226483bc7e3bca79
https://doi.org/10.1002/polb.21053

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SAXS/WAXS characterization of proton-conducting polymer membranes containing phosphomolybdic acid

Autor: Suzana Pereira Nunes, Sérgio S. Funari, V. M. Garamus, Luis A. S. de A. Prado, Mariela Leticia Ponce, Karl Schulte, Regine Willumeit

Publikováno v: Journal of Non-Crystalline Solids. 351:2194-2199

In the present paper the distribution of phosphomolybdic acid (PMoA, H 3 PMo 12 O 40 ) dispersed in sulfonated poly(ether ether ketone), SPEEK, was investigated by simultaneous small/wide-angle X-ray scattering SAXS/WAXS technique. The hydrolysis and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f327dc73d860846700e0375807dc90ee
https://doi.org/10.1016/j.jnoncrysol.2005.06.007

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Polymer nanocomposite membranes for DMFC application

Autor: Chedarampet S. Karthikeyan, Mariela Leticia Ponce, Luis A. S. de A. Prado, Hugo G. Silva, B. Ruffmann, Suzana Pereira Nunes, Karl Schulte

Publikováno v: Journal of Membrane Science. 254:139-146

Polymer nanocomposite membranes based on sulphonated poly(ether ether ketone) (SPEEK) containing different weight percentages of synthetic non-spherical nanofillers such as laponite and MCM-41 were prepared and characterised for direct methanol fuel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d8931d5776ec4cfb02d10e2899819d41
https://doi.org/10.1016/j.memsci.2004.12.048

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