Search Results - "Valenzuela Diaz, Francisco Rolando"

Hybrid epoxy composites made from treated curauá fibres and organophilic clay by del Pino, Gilberto García, Bezazi, Abderrezak, Boumediri, Haithem, Kieling, Antonio Claudio, Silva, Cláudia Cândida, Dehaini, Jamile, Rivera, Jose Luis Valin, Valenzuela, Maria das Graças da Silva, Díaz, Francisco Rolando Valenzuela, Panzera, Túlio Hallak

“…This work evaluates an epoxy composite reinforced with curauá fibres and/or organophilic clay. Epoxy polymers reinforced with nano-clays are also assessed…”
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Effect of Nanometric Particles of Bentonite on the Mechanical Properties of a Thermoset Polymeric Matrix Reinforced with Hemp Fibers by Fernández, Meylí Valin, González, María José Ahumada, Oyanadel, Rolando Briones, Rivera, José Luis Valin, Soto, Angel Rodríguez, Ortega, Alvaro González, Ketterer, Cristobal Galleguillos, Alvarez, Alexander Alfonso, Diaz, Francisco Rolando Valenzuela, García Del Pino, Gilberto

“…The influence of the addition of bentonite nanoparticles on the tensile and flexural strength of a thermosetting polymer matrix composite material reinforced…”
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Mechanical Characterization of a Polymer/Natural Fibers/Bentonite Composite Material with Implementation of a Continuous Damage Model by Fernández, Meylí Valin, Rivera, José Luis Valin, Rodríguez, Frank Pérez, Losada, Henry Figueredo, Abreu, María Elena Fernández, Diaz, Francisco Rolando Valenzuela, Soto, Angel Rodríguez, Alvarez, Alexander Alfonso, Quinteros, Roberto, Ketterer, Cristobal Galleguillos, García del Pino, Gilberto

“…A characterization of composite materials of a polyester matrix reinforced with natural fibers of Cuban henequen and organophilized Cuban bentonite was carried…”
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Characterization and Assessment of Natural Amazonian Clays for Cosmetics-Industry Applications by Kieling, Antonio Claudio, Silva, Cláudia Cândida, Júnior, Sérgio Duvoisin, de Macedo Neto, José Costa, de Oliveira Melquíades, Miécio, del Pino, Gilberto Garcia, de Souza Moreira, Yago Ono, Panzera, Túlio Hallak, da Silva Valenzuela, Maria das Graças, Diáz, Francisco Rolando Valenzuela

“…Clays are abundant materials in the Amazon region and have been used historically by ancient Amazonian people to produce ceramic and cosmetics products. The…”
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Evaluation of the Incorporation of Waste Generated from Titanium Dioxide Manufacturing in Red Ceramics by Ribeiro, Daniel Véras, Figueiredo, Sâmia Cordeiro, Machado, Alexandre Teixeira, Diaz, Francisco Rolando Valenzuela, Souza, Carlos Alberto Caldas

“…Rotary-vacuum-filter mud (RVFM) is waste generated during the manufacturing process of titanium dioxide. In this work, RVFM and ceramic bricks containing…”
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The Evaluation of Sandwich Composite Materials with Vegetable Fibers in a Castor Oil Polyurethane Matrix with Their Faces and Honeycomb Core Made in a 3D Printer by Pino, Gilberto Garcia del, Bezazi, Abderrezak, Kieling, Antonio Claudio, Neto, José Costa de Macedo, Garcia, Sofia Dehaini, Rivera, José Luis Valin, Valin Fernández, Meylí, Torres, Aristides Rivera, Valenzuela Diaz, Francisco Rolando

“…Sandwich panels are widely used in the naval and aerospace industries to withstand the normal tensile, compressive, and shear stresses associated with bending…”
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Biodegradable Nanocomposite Microcapsules for Controlled Release of Urea by de Carvalho Arjona, Jessica, das Graças Silva-Valenzuela, Maria, Wang, Shu-Hui, Valenzuela-Diaz, Francisco Rolando

“…Urea is the most used fertilizer around the world as the main source of nitrogen to soil and plants. However, the administration of nitrogen dosage is…”
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Influence of Bentonite Particles on the Mechanical Properties of Polyester–Sisal Fiber Composites by Valin Rivera, José Luis, Valenzuela Reyes, Cristian Rodolfo, Quinteros Wachtendorff, Arturo Andrés, Rodríguez Soto, Angel, Valin Fernández, Meylí, Iquilio Abarzúa, Roberto, González Ortega, Alvaro, García del Pino, Gilberto, Valenzuela Diaz, Francisco Rolando

“…As a part of the mission to create materials that are more environmentally friendly, we present the following proposal, in which a study of the mechanical…”
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Development of an Epoxy Matrix Hybrid Composite with Astrocaryum Aculeatum (Tucumã) Endocarp and Kaolin from the Amazonas State in Brazil by Kieling, Antonio Claudio, de Macedo Neto, José Costa, Del Pino, Gilberto Garcia, da Silva Barboza, Ricardo, Diáz, Francisco Rolando Valenzuela, Rivera, José Luis Valin, Fernández, Meylí Valin, Ketterer, Cristobal Galleguillos, Ortega, Alvaro González, Abarzúa, Roberto Iquilio

“…Composites with natural lignocellulosic fillers are being cited as a viable and sustainable alternative to conventional materials, as they combine lower costs…”
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Synthesis and characterization of zeolite NaP using kaolin waste as a source of silicon and aluminum by Hildebrando, Edemarino Araujo, Andrade, Christiano Gianesi Bastos, Rocha Junior, Carlos Augusto Ferreira da, Angélica, Rômulo Simões, Valenzuela-Diaz, Francisco Rolando, Neves, Roberto de Freitas

“…The synthesis of zeolite NaP using kaolin waste, from the Amazon region, as a predominant source of silicon and aluminum has been studied. The zeolitisation…”
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Analysis of Dimension Stone Waste Addition to the Clayey Mass Used in Roof Tile Production by Reis, Alessandra Savazzini dos, Della-Sagrillo, Viviana Possamai, Valenzuela-Diaz, Francisco Rolando

“…Addition of dimension stone waste to clayey mass is an alternative to make the dimension stone sector more environmentally sustainable and to reduce the…”
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Characterization and Evaluation of Ceramic Properties with Spherical and Prismatic Samples of Clay Used in Red Ceramics by Savazzini-Reis, Alessandra, Della Sagrillo, Viviana Possamai, Oliveira, Jailson do Nascimento de, Teixeira, Petterson Gonçalves, Valenzuela-Diaz, Francisco Rolando

“…The Brazilian red ceramic industry monthly consumes about 10.3 million tons of clay, its main raw material. In most potteries, characterization of the clay is…”
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Montmorillonite/carbon nanocomposites prepared from sucrose for catalytic applications by Anadão, Priscila, Hildebrando, Edemarino Araújo, Pajolli, Ivan Luiz Rocchetti, de Oliveira Pereira, Kleberson Ricardo, Wiebeck, Hélio, Valenzuela Díaz, Francisco Rolando

“…Sucrose was used to prepare montmorillonite/carbon nanocomposites by calcination in a reduced atmosphere. The aim was to investigate the changes derived from…”
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Montmorillonite as a component of polysulfone nanocomposite membranes by Anadão, Priscila, Sato, Laís Fumie, Wiebeck, Hélio, Valenzuela-Díaz, Francisco Rolando

“…Nanocomposite membranes containing polysulfone (PSf) and sodium montmorillonite from Wyoming (MMT) were prepared by a combination of solution dispersion and…”
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Influence of preparation methods on textural properties of purified bentonite by Shah, Liaqat Ali, Silva Valenzuela, Maria das Graça da, Farooq, Muhammad, Khattak, Shaukat Ali, Valenzuela Díaz, Francisco Rolando

“…The aim of this work was to study the effect of three different purification methods, using chemical solution of (Na(PO3))6 (method-I), NaCl (method-II) and…”
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Enrichment of clay from Vitoria da Conquista (Brazil) for applications in cosmetics by Silva-Valenzuela, Maria das Graças, Chambi-Peralta, Marvin Marco, Sayeg, Isaac Jamil, de Souza Carvalho, Flávio Machado, Wang, Shu Hui, Valenzuela-Díaz, Francisco Rolando

“…A clay sample, off-green color, from Vitória da Conquista, northeastern Brazil was size fractionated by dispersion and centrifugation. Three different…”
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Brazilian organoclays as nanostructured sorbents of petroleum-derived hydrocarbons by Pereira, Kleberson Ricardo de Oliveira, Hanna, Rosângela Abdala, Vianna, Marilda Mendonça Guazzelli Ramos, Pinto, Carolina Afonso, Rodrigues, Meiry Gláucia Freire, Valenzuela-Diaz, Francisco Rolando

“…Organophilic clays were prepared using a bentonite from the town of Boa Vista, state of Paraíba, Brazil, and a quaternary ammonium salt (Genamin CTAC-50). The…”
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Study of the Textural Changes in the Nowshera (Pakistan) Ca-Bentonite Caused by the Physical Purification Before and After NaCl Treatment by Shah, Liaqat Ali, Farooq, Muhammad, Shah, Zait Ullah, Valenzuela-Díaz, Francisco Rolando

“…Bentonite collected from Nowshera (Pakistan) was treated with NaCl, and the < 2-μm clay fractions were separated by sedimentation process. The textural changes…”
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Epoxy-based hybrid composites reinforced with Amazonian Tucumã endocarp and kaolin: A statistical approach to mechanical properties by Kieling, Antonio Claudio, Neto, José Costa de Macedo, Pino, Gilberto Garcia del, Dantas dos Santos, Marcos, Santana, Genilson Pereira, da Silva, Rodrigo José, Panzera, Tulio Hallak, Valenzuela, Maria das Graças da Silva, Diáz, Francisco Rolando Valenzuela

“…Tucumã powder and white kaolin from the Amazon (Brazil) are incorporated into the epoxy polymer matrix to obtain a hybrid composite consisting of reduced…”
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Influence of smectite clays' pores volume on isoniazid adsorption and release by de Carvalho Arjona, Jessica, Ulsen, Carina, Valenzuela-Diaz, Francisco Rolando, Demarquette, Nicole Raymonde

“…Clays have been extensively utilized in various fields due to their remarkable adsorption properties. In pharmaceutical and medical applications, they serve as…”
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