Search Results - "Nascimento, Regina"

Lipid nanostructures as surfactant carriers for enhanced oil recovery by Rosestolato, Jônatas C.S., Pérez-Gramatges, Aurora, Lachter, Elizabeth R., Nascimento, Regina S.V.

“…[Display omitted] •Development of surfactant nanocarriers for enhanced oil recovery.•Surfactant release from hydrophobic nanocarriers triggered by nanoparticle…”
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Partially hydrophobized hyperbranched polyglycerols as non-ionic reactive shale inhibitors for water-based drilling fluids by Ferreira, Conny Cerai, Teixeira, Gleber Tacio, Lachter, Elizabeth Roditi, Nascimento, Regina Sandra Veiga

“…The oil and gas industry demands drilling fluids that would be able to minimize the wellbore instability faced during the drilling of reactive shales. In this…”
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Influence of the cationic degree and molar mass of modified starches on their physicochemical properties and capability to enhance the oil recovery process by de Araujo, Lorraine L.G.C., dos S. Cescon, Leonardo, Da Cruz, Georgiana F., Nascimento, Regina S.V.

“…Polysaccharides and their derivatives are used as additives in numerous petroleum industrial processes, especially in enhanced oil recovery (EOR). There exists…”
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Theoretical study of the synergistic effect between glyceryl monooleate lubricant and carboxymethylcellulose in reducing the coefficient of friction of water-based drilling fluids by Baruqui, Aline Carvalho, Nascimento, Regina Sandra Veiga, Nascimento, Marco Antonio Chaer

“…Context Drilling fluids must reduce the coefficient of friction between the drilling equipment and the drilled rock or well casing. Friction forces become…”
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Sulfonated Polystyrene Nanoparticles as Oleic Acid Diethanolamide Surfactant Nanocarriers for Enhanced Oil Recovery Processes by Silva, Thaís B G, Franscisco, Agatha D S, Lachter, Elizabeth R, Nascimento, Regina S V

“…The aim of this study is the evaluation of partially sulfonated polystyrene nanoparticles (SPSNP) efficiency as nanocarriers for a non-ionic surfactant, oleic…”
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Colloidal stability and dynamic adsorption behavior of nanofluids containing alkyl-modified silica nanoparticles and anionic surfactant by Venancio, Julio Cesar Carvalho, Nascimento, Regina Sandra Veiga, Pérez-Gramatges, Aurora

“…Nanofluids containing slightly hydrophobic silica nanoparticles have been shown to reduce surfactant adsorption on rocks in enhanced oil recovery methods. In…”
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Alkyl glyceryl ethers as water-based lubricant additives in mixtures with xanthan gum by de Paula, Fernando H.M., de Freitas, Flávio A., Nunes, Denise G., Iglauer, Stefan, Gramatges, Aurora P., Nascimento, Regina S.V., Lachter, Elizabeth R.

“…Water-based lubricants are greener and more environmentally friendly than comparable oil-based lubricants. However, water-based lubricants typically have a…”
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Synergistic Interaction of Hyperbranched Polyglycerols and Cetyltrimethylammonium Bromide for Oil/Water Interfacial Tension Reduction: A Molecular Dynamics Study by de Almeida, James Moraes, Ferreira, Conny Cerai, Bandeira, Lucas, Cunha, Renato D., Coutinho-Neto, Mauricio Domingues, Homem-De-Mello, Paula, Orestes, Ednilsom, Nascimento, Regina Sandra Veiga

“…Applying surfactants to reduce the interfacial tension (IFT) on water/oil interfaces is a proven technique. The search for new surfactants and delivery…”
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Synthesis and evaluation of the potential of nonionic surfactants/mesoporous silica systems as nanocarriers for surfactant controlled release in enhanced oil recovery by de Freitas, Flávio A., Keils, David, Lachter, Elizabeth R., Maia, Cinthia E.B., Pais da Silva, Maria Isabel, Veiga Nascimento, Regina Sandra

“…[Display omitted] •Adsorption of fatty amides on SBA-15 are good system for oil recovery.•Adsorption of coconut diethanolamide on SBA-15 fit with Langmuir…”
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Understanding the clay-PEG (and hydrophobic derivatives) interactions and their effect on clay hydration and dispersion: A comparative study by Villabona-Estupiñán, Santiago, de Almeida Rodrigues, Jorge, Nascimento, Regina Sandra Veiga

“…In oil and gas well drilling, the effective minimization of clay-water interactions is an essential function that water-based drilling fluids must meet in…”
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Evaluation of the thermal degradation and cone calorimeter parameters of an intumescent composite containing acidic montmorillonites by Carvalho Martins, Raíssa, Pereira da Silva Ribeiro, Simone, Jakeline Cunha Rezende, Michelle, Veiga Nascimento, Regina Sandra, Chaer Nascimento, Marco Antonio, Lopez-Cuesta, José-Marie

“…This work evaluates the effects of the acidity of montmorillonites on the thermal degradation process and in the cone calorimeter parameters of an intumescent…”
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The influence of montmorillonite on the flame‐retarding properties of intumescent bio‐based PLA composites by Martins, Raíssa Carvalho, Ribeiro, Simone Pereira da Silva, Nascimento, Regina Sandra Veiga, Nascimento, Marco Antonio Chaer, Batistella, Marcos, Lopez‐Cuesta, José‐Marie

“…Biobased flame‐retardant polylactic acid composites were prepared using ammonium polyphosphate (AP), lignin, and a raw montmorillonite (ANa) as the intumescent…”
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Cationic starch derivatives as reactive shale inhibitors for water‐based drilling fluids by Cescon, Leonardo dos Santos, Quartarone, Priscila, Ribeiro, Simone Pereira da Silva, Nascimento, Regina Sandra Veiga

“…ABSTRACT One of the major problems associated with the use of water‐based drilling fluids is the interaction of water with specific rock formations, such as…”
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UV Irradiation-induced crosslinking of aqueous solution of poly(ethylene oxide) with benzophenone as initiator by Teixeira, Raquel S. P., Correa, Rodrigo José, Belvino, Alan, Nascimento, Regina S. V.

“…ABSTRACT The development of a water‐based polymer system that could be photocrosslinked during the drilling of fragile formations could be of a great interest…”
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Hyperbranched polyglycerols derivatives as cetyltrimethylammonium bromide nanocarriers on enhanced oil recovery processes by Ferreira, Conny Cerai, Silva, Thais Barros Gomes, Francisco, Agatha Densy dos Santos, Bandeira, Lucas, Cunha, Renato D., Coutinho‐Neto, Mauricio Domingues, Homem‐de‐Mello, Paula, Almeida, James, Orestes, Ednilsom, Nascimento, Regina Sandra Veiga

“…In this work, the efficiency of partially hydrophobized hyperbranched polyglycerols (HPG11 and HPG12) as cetyltrimethylammonium bromide (CTAB) carriers was…”
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Influence of the zeolite acidity on its synergistic action with a flame-retarding polymeric intumescent formulation by Ribeiro, Simone Pereira da Silva, Martins, Raíssa Carvalho, Barbosa, Guilherme Mendes, Rocha, Monique Amaro de Freitas, Landesmann, Alexandre, Nascimento, Marco Antonio Chaer, Nascimento, Regina Sandra Veiga

“…Despite the vast available literature on the synergistic action between zeolites and intumescent formulations, the influence of the acidity of the zeolite on…”
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Microscopy as a tool to investigate the influence of ammonium polyphosphate particle size on the flame retardant properties of polymer composites by P S Ribeiro, Simone, C Martins, Raíssa, R M Estevão, Luciana, A C Nascimento, Marco, S V Nascimento, Regina

“…The influence of ammonium polyphosphate (APP) particle size on the performance of an intumescent formulation and on the synergistic action of a series of…”
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Chemical composition variation of the Ni–W alloy as a function of parameters used in the electrodeposition process by da Silva, Cicero Romerio Pereira, Costa, Josiane Dantas, de Almeida, Arthur Filgueira, de Santana, Renato Alexandre Costa, Campos, Ana Regina Nascimento, Alves, José Jailson Nicácio, de Abreu Santos, Tiago Felipe

“…In this work, Ni–W coatings were manufactured by electroplating from a 2 2 central composite factorial design with two central points and two axial points,…”
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Polystyrene nanoparticles as surfactant carriers for enhanced oil recovery by Neves Libório De Avila, Jocasta, Louise Grecco Cavalcanti De Araujo, Lorraine, Drexler, Santiago, de Almeida Rodrigues, Jorge, Sandra Veiga Nascimento, Regina

“…ABSTRACT It is well known that oil recovery processes can be increased by surfactant solution injections in the reservoir. However, the high adsorption of this…”
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Medical Device-Related Pressure Injuries: an integrative literature review by Galetto, Sabrina Guterres da Silva, Nascimento, Eliane Regina Pereira do, Hermida, Patrícia Madalena Vieira, Malfussi, Luciana Bihain Hagemann de

“…To identify and analyze the scientific evidence regarding the occurrence of Medical Device-Related Pressure Injuries, considering the development sites; and to…”
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