Search Results - "Visconte, Leila Léa Yuan"

Optimizing Properties of Natural Rubber Compounds Using Tetrabutylammonium bis(N‐phenylsulfonyldithiocarbimate)zincate(II) as Accelerator by de Arruda, Mariana Moura Sampaio, Visconte, Leila Léa Yuan, Linhares, Igor Antunes, Cunha, Leandro Marcos Gomes, da Silva, Ana Lúcia Nazareth

“…The rheometric properties of natural rubber compounds containing the compound tetrabutylammonium bis(N‐phenylsulfonyldithiocarbimate)zincate(II) as the…”
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Rheological Behavior of Renewable Polyethylene (HDPE) Composites and Sponge Gourd (Luffa cylindrica) Residue by Cavalcante, André de Paula, Silva, Ana Lucia Nazareth da, Pacheco, Elen Beatriz Acordi Vasques, Escócio, Viviane Alves, Visconte, Leila Léa Yuan

“…The present study reports the results of rheological behavior of renewable composites, based on a matrix of high density polyethylene (HDPE), made from ethanol…”
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Tetraphenylphosphonium Allyldithiocarbimates: A Novel Safe Amine Class of Morita–Baylis–Hillman-Derived NBR Vulcanization Accelerators by Carvalho, Lucas Raposo, Venturelli, Lucas Gil, Lopes, Thiago Castro, Filho, Eclair Venturini, Fontenelle, Vinicius Gonçalves Souto, de Lima, Guilherme Ferreira, Visconte, Leila Léa Yuan, Tavares, Eder do Couto

“…Eliminating N-nitrosamines from rubber products, which are introduced by common vulcanization accelerators, is a significant challenge faced by the industry…”
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Behavior of zinc complex of bis(N‐phenylsulfonyldithiocarbimate) as accelerator in the vulcanization of nitrile rubber compounds by Arruda, Mariana Moura Sampaio, Cunha, Leandro Marcos Gomes, Visconte, Leila Lea Yuan, Rubinger, Mayura Marques Magalhães, Oliveira, Marcelo Ribeiro Leite, Pacheco, Elen Beatriz Acordi Vasques

“…ABSTRACT Chemical complexes containing N‐R‐sulfonyldithiocarbimates have been looked at as potential substitutes for N‐R‐dithiocarbamates as accelerators for…”
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Breakage of sulfur crosslinks in styrene-butadiene rubber by zinc(II) dithiocarbimate derivative by de Haro Moreno, Pedro Henrique, Visconte, Leila Lea Yuan, da Silva, Ana Lúcia Nazareth, do Couto Tavares, Eder, Pacheco, Elen Beatriz Acordi Vasques, Lopes, Thiago Castro

“…The chemical structure of rubbers makes reprocessing quite difficult. In this work, the chemical regeneration was used for styrene-butadiene rubber recycling…”
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The Use of Cashew Nut Shell Liquid (CNSL) in PP/HIPS Blends: Morphological, Thermal, Mechanical and Rheological Properties by Araújo, Mirna Nunes, Visconte, Leila Lea Yuan, Barreto, Daniel Weingart, Escócio, Viviane Alves, Silva, Ana Lucia Nazareth da, Sousa, Ana Maria Furtado de, Pacheco, Elen Beatriz Acordi Vasques

“…Polypropylene (PP) and high impact polystyrene (HIPS) are two polymers that are frequently found in disposable waste. Both of these polymers are restricted…”
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Tannin-Treated Water for use in the Emulsion Polymerization of SBR. Effect of Ageing on Mechanical Properties by de Oliveira, Isabele Mendes, Visconte, Leila Léa Yuan, Cruz, Vinícius, Dezotti, Márcia

“…The water used as the reaction medium in the emulsion polymerization of SBR was treated with a tannin-based derivative. The rubbers obtained were compounded…”
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Study of time reaction on alkaline pretreatment applied to rice husk on biomass component extraction by Monte, Lara Soares, Escócio, Viviane Alves, de Sousa, Ana Maria Furtado, Furtado, Cristina Russi Guimarães, Leite, Marcia Christina Amorim Moreira, Visconte, Leila Lea Yuan, Pacheco, Elen Beatriz Acordi Vasquez

“…Rice husk (RH) residue was submitted to a sequence of experimental procedures, specifically to investigate the reaction time influence of NaOH pretreatment on…”
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Mechanical and Flammability Properties of ATH-Filled EPDM Compositions by Canaud, Cristine, Visconte, Leila Léa Yuan, Reis Nunes, Regina Célia

“…Poly(ethylene‐co‐propylene‐co‐diene) (EPDM) compositions filled with mixtures of aluminium hydroxide (ATH) and carbon black (HAF) were evaluated for electrical…”
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Syntheses, crystal structure and spectroscopic characterization of bis(dithiocarbimato)zinc(II) complexes: A new class of vulcanization accelerators by Cunha, Leandro Marcos Gomes, Rubinger, Mayura Marques Magalhães, Oliveira, Marcelo Ribeiro Leite, Tavares, Eder do Couto, Sabino, José Ricardo, Pacheco, Elen Beatriz Acordi Vasques, Visconte, Leila Léa Yuan

“…Four tetraphenylphosphanium bis(N-R-sulfonyldithiocarbimato)zincate(II) salts were prepared. Their structures were confirmed by crystallographic and…”
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Syntheses, crystal structure and spectroscopic characterization of bis(dithiocarbimato)-nickel(II)-complexes: A new class of vulcanization accelerators by Gomes Cunha, Leandro Marcos, Magalhães Rubinger, Mayura Marques, Sabino, José Ricardo, Visconte, Leila Léa Yuan, Leite Oliveira, Marcelo Ribeiro

“…Four tetraphenylphosphonium bis( N-R-sulfonyldithiocarbimato)nickelate(II) were prepared. Their structures were confirmed by crystallographic and spectroscopic…”
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Tannin treated water for use in the emulsion polymerization of SBR by Isabele Mendes de Oliveira, Vinícius Cruz, Leila Léa Yuan Visconte, Élen Beatriz Acordi Vasques Pacheco, Márcia Dezotti

“…The toxicity of residues formed during water treatment is mainly a function of the chemicals used. The inorganic flocculants, when used, give rise to compounds…”
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Effect of different cure systems on natural rubber/nanocellulose nanocomposites in rheological, physical-mechanical, aging, and mechanical properties by Honorato, Luciana Ribeiro, Visconte, Leila Lea Yuan, Nunes, Regina Célia Reis

“…The effect of different crosslink structures was studied in nanocomposites obtained by co-precipitation of natural rubber (NR) latex and aqueous solution of…”
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Rotational molding of LLDPE/coir fiber composites: Effect of fiber on mechanical, thermal, morphological and flammability properties by León, Lumirca Del Valle Espinoza, Escócio, Viviane Alves, Visconte, Leila Lea Yuan, Sousa, Ana Maria Furtado de, Silva, Ana Lúcia Nazareth da, Pacheco, Elen Beatriz Acordi Vasques

“…This study uses a rotomolding procedure to produce hollow cubes made of linear low-density polyethylene (LLDPE) and coconut fibers (CF). The purpose is to…”
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Effect of the cure system on aging resistance of natural rubber compounds by Honorato, Luciana Ribeiro, Nunes, Regina Celia Reis, Cosme, Jaqueline Guimarães Lima, Visconte, Leila Lea Yuan, Peres, Augusto Cesar de Carvalho, Costa, João Manoel

“…This work investigates natural rubber (NR) composites vulcanized with different combinations of accelerators in efficient cure systems. The NR compounds were…”
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Dielectric properties of flame resistant EPDM composites by Canaud, Cristine, Visconte, Leila Léa Yuan, Sens, Márcio Antônio, Nunes, Regina Célia Reis

“…Formulations of ethylene-propylene-diene rubber containing mixtures of aluminum hydroxide (ATH) and carbon black (HAF) as fillers were developed, aiming to…”
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Aluminum hydroxide and carbon black filled NBR/PVC composites—vulcanization and processability studies by Lapa, Vera Lúcia da Cunha, Visconte, Leila Léa Yuan, Affonso, José Eduardo de Sena, Nunes, Regina Célia Reis

“…The influence of aluminum hydroxide (ATH) and carbon black (CB) was investigated in vulcanizable compositions of the physical mixture NBR/PVC…”
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Addition of 2-hydroxyethyl methacrylate upon 4,5-epoxy-4-methyloctane catalyzed by ceric ammonium nitrate.: Part 2. Kinetic study by Ramos, Valéria Dutra, Moreira da Costa, Helson, Derouet, Daniel, Yuan Visconte, Leila Léa

“…In a previous study we described the identification and characterization of the reaction products formed during the addition of a photosensitive alcohol on to…”
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Mixing process influence on thermal and rheological properties of NBR/SiO2 from rice husk ash by Sousa, Ana Maria Furtado de, Peres, Augusto Cesar de Carvalho, Furtado, Cristina Russi Guimarães, Visconte, Leila Lea Yuan

“…Abstract Silica was extracted from rice husk ash (RHA) by a sequence of reactions to produce nanosilica. Two laboratory routes, co-coagulation and spray…”
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Syntheses, spectroscopic characterization, crystal structure and natural rubber vulcanization activity of new disulfides derived from sulfonyldithiocarbimates by Alves, Leandro de Carvalho, Rubinger, Mayura Marques Magalhães, Tavares, Eder do Couto, Janczak, Jan, Pacheco, Elen Beatriz Acordi Vasques, Visconte, Leila Lea Yuan, Oliveira, Marcelo Ribeiro Leite

“…•Five novel sulfonyldithiocarbimate disulfides were synthesized and fully characterized.•The disulfides were active as vulcanization accelerators for natural…”
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