Navegação Engenharias por Autor "Santana, Ruth Marlene Campomanes"
Resultados 1-20 de 42
-
Abiotic degradation of recycled polymer/wood composites exposed to outdoor applications
Catto, André Luis; Almeida, Scheyla Hermann de; Santana, Ruth Marlene Campomanes (2014) [Artigo de periódico]Wood-plastic composites (WPCs) have received increasing attention during the last decades, because of many advantages related to their use. Some of their main applications are represented by outdoor furnishing and decking; ... -
Antimicrobial performance of thermoplastic elastomers containing zinc pyrithione and silver nanoparticles
Pittol, Michele; Tomacheski, Daiane; Simões, Douglas Naue; Ribeiro, Vanda Ferreira; Santana, Ruth Marlene Campomanes (2017) [Artigo de periódico]The purpose of the present study was to evaluate the antimicrobial potential of styrene-ethylene/ butylene-styrene based thermoplastic elastomers (TPE) incorporated with zinc pyrithione (ZnPT) and silver nanoparticles ... -
Biodegradation of PP films modified with organic pro-degradant : natural ageing and biodegradation in soil in respirometric test
Montagna, Larissa Stieven; Catto, André Luis; Forte, Maria Madalena de Camargo; Santana, Ruth Marlene Campomanes (2016) [Artigo de periódico]In this study, PP films were modified with an organic pro-degradant in different concentrations (1, 2 and 3 wt.%), exposed in the first step of degradation to natural ageing for 100 days followed by biodegradation in ... -
Caracterização mecânica e morfológica de solados produzidos com resíduos de laminados de PVC da indústria calçadista
Dreger, Ademir Anildo; Barbosa, Luiz Antonio; Santana, Ruth Marlene Campomanes; Schneider, Eduardo Luís; Morisso, Fernando Dal Pont (2018) [Artigo de periódico]A indústria de calçados emprega em seus produtos diversas matérias primas derivadas do setor de plásticos. Um dos mais utilizados é o laminado sintético de PVC, utilizado na construção de cabedais devido à grande versatilidade ... -
Characterization of babassu mesocarp flour as potential bio-reinforcement for poly (lactic acid)
Silva, Lucas Rafael Carneiro da; Alves, Tatianny Soares; Barbosa, Renata; Morisso, Fernando Dal Pont; Rios, Alessandro de Oliveira; Santana, Ruth Marlene Campomanes (2023) [Artigo de periódico]Growing environmental concern has resulted in a strong trend towards using green materials, and the efficient use of by-products reduces resource waste and environmental pollution. Using Babassu Mesocarp Flour (BMF), a ... -
CO2 adsorption by cryogels produced from poultry litter wastes
Lazzari, Lídia Kunz; Perondi, Daniele; Zattera, Ademir José; Santana, Ruth Marlene Campomanes (2022) [Artigo de periódico]Poultry litter waste (PLW) is the main by-product generated by the Brazilian poultry industry. A sustainable approach for reusing this waste is the production of biochar to be further used aiming CO2 adsorption. In this ... -
Comparative study between poly(ethylene-co-vinyl acetate) – EVA expanded composites filled with banana fiber and wood flour
Zimmermann, Matheus Vinicius Gregory; Turella, Taís Caroline; Santana, Ruth Marlene Campomanes; Zattera, Ademir José (2014) [Artigo de periódico]The objective of this study is to develop expanded composites of poly(ethylene-co-vinyl acetate) (EVA) filled with two vegetable reinforcements (banana fiber or wood flour) as well as to evaluate the influence of the type, ... -
Comparative study of degradation of PP modified with an organic pro-degradant subjected to natural and artificial ageing
Montagna, Larissa Stieven; Pezzin, Ana Paula Testa; Forte, Maria Madalena de Camargo; Santana, Ruth Marlene Campomanes (2016) [Artigo de periódico]In abiotic degradation the action of light radiation is one of the most important parameters, because polymers undergo degradation due to the action of light (natural or artificial). The aim of this study was to investigate ... -
Compósitos madeira-plástico manufaturados com resíduos de serraria e embalagens descartadas de polipropileno
Lima, Daiane Cristina de; Melo, Rafael Rodolfo de; Santana, Ricardo Robinson Campomanes; Botan, Everton; Stangerlin, Diego Martins; Santana, Ruth Marlene Campomanes (2018) [Artigo de periódico]O objetivo do trabalho foi avaliar as propriedades físicas e mecânicas dos compósitos de madeiraplástico confeccionados com diferentes cargas de prensagem. Foi utilizada a serragem de cumaru e o plástico de polipropileno ... -
Development by extrusion of composite films based on Poly(Lactic Acid)/Babassu Mesocarp Flour
Silva, Lucas Rafael Carneiro da; França, Railha Antunes de; Silva, Raquel do Nascimento; Alves, Tatianny Soares; Barbosa, Renata; Rios, Alessandro de Oliveira; Santana, Ruth Marlene Campomanes (2024) [Artigo de periódico]The objective of this manuscript was to investigate the influence of different Babassu Mesocarp Flour (BMF) contents (3, 5, 8, and 10% by weight) on the physical and surface properties of the Poly(Lactic Acid) (PLA) matrix. ... -
Development of a bio-based adhesive from Protium heptaphyllum resin
Almeida, Marcos Danilo Costa de; Silva, João Antonio Pessoa da; Tavares, Felipe Fernando da Costa; Araújo, Ludmila Leite; Zeferino, Jefferson de Souza; Santana, Ruth Marlene Campomanes (2021) [Artigo de periódico]In this work, a bio-based adhesive is prepared from Protium heptaphyllum resin. The resin is first characterized by 1 H and 13C nuclear magnetic resonance spectroscopy and the bioadhesive is then prepared using a simple ... -
Effect of infill pattern in Fused Filament Fabrication (FFF) 3D printing on materials performance
Cabreira, Vinicius; Santana, Ruth Marlene Campomanes (2020) [Artigo de periódico]Fused Filament Fabrication (FFF) is an Additive Manufacturing process popularized in the last decade due to its easiness of use and lower costs. However, despite its increasing popularity, the process itself has several ... -
Effect of natural ageing on the properties of recycled polypropylene/ethylene vinyl acetate/wood flour composites
Silva, Caroline Barbosa da; Martins, Andréa Bercini; Catto, André Luis; Santana, Ruth Marlene Campomanes (2017) [Artigo de periódico]Wood flour composites main applications are represented by outdoor furnishing. Therefore, it is important to evaluate their behavior under natural ageing conditions. This work aims to investigate the natural ageing impact ... -
Estimativa de incertezas nas medidas de temperatura em ensaios de Calorimetria Diferencial de Varredura - DSC
Haack, Micheli de Souza; Konrath, Alessandra; Cattelan, Ana Kelly; Santana, Ruth Marlene Campomanes (2016) [Artigo de periódico]Este trabalho apresenta o estudo para a estimativa de incerteza nas medidas de temperatura em ensaios de calorimetria diferencial de varredura (DSC), utilizando uma amostra de polipropileno (PP) para determinar as incertezas ... -
Estudo comparativo da influência da razão de sopro nas propriedades de filmes tubulares de PEBD e PEAD
Ferreira, Roberto Luiz Rodriguez; Santana, Ruth Marlene Campomanes (2015) [Artigo de periódico]O objetivo deste trabalho é avaliar a influência do tipo de poliolefina e da razão de sopro (RS) nas propriedades físicas e térmicas de filmes produzidos em processo de extrusão tubular. No processamento foram utilizados ... -
Evaluation of the effect of the incorporation of rubber tire waste particles on the properties of PP, HIPS and PP/HIPS matrices
Montagna, Larissa Stieven; Bento, Leonardo Souza; Silveira, Mauro Ricardo da Silva; Santana, Ruth Marlene Campomanes (2013) [Artigo de periódico]In recent years, the consumption of plastics has been increasing and as consequence, the waste generated has also increased. Rubber tire (RT) waste is another residue which causes significant problems to society. In view ... -
Evaluation of thermal decomposition kinetics of poly (lactic acid)/ethylene elastomer (EE) blends
Bernardes, Giordano Pierozan; Andrade, Matheus de Prá; Poletto, Matheus; Luiz, Nathalia da Rosa; Santana, Ruth Marlene Campomanes; Forte, Maria Madalena de Camargo (2023) [Artigo de periódico]The influences of ethylene-based elastomer (EE) and the compatibilizer agent ethylene-butyl acrylate-glycidyl methacrylate (EBAGMA) on the thermal degradation of PLA/EE blends were evaluated by the thermal degradation ... -
Evaluation of the toxicity of silver/silica and titanium dioxide particles in mammalian cells
Pittol, Michele; Tomacheski, Daiane; Simões, Douglas Naue; Ribeiro, Vanda Ferreira; Santana, Ruth Marlene Campomanes (2018) [Artigo de periódico]The increasing concern over the spread of diseases has lead to a high consumption of antimicrobial additives in the medical and industrial fields. Since these particles can lixiviate from loaded materials, the contact ... -
Hydrophobic polyurethane foams reinforced with microcrystalline cellulose for oil spill clean up
Zimmermann, Matheus Vinicius Gregory; Junca, Eduardo; Almeida, Marina Kauling de; Ponsoni, Lara Vasconcellos; Zattera, Ademir José; Mari, Tiago; Santana, Ruth Marlene Campomanes (2023) [Artigo de periódico]Oil spills into water have been an environmental concern since the beginning of large-scale oil extraction. In this study, flexible open-cell polyurethane (PU) foams with added microcrystalline cellulose (MCC) were formulated ... -
Incorporation of organic acids in the crosslinking of polyvinyl alcohol hydrogels
Castro, Dione Pereira de; Kieffer, Vanessa Zimmer; Santana, Ruth Marlene Campomanes (2023) [Artigo de periódico]This work studied the incorporation of organic acids as crosslinking agents and reaction time on the properties of poly(alcohol vinyl) (PVOH) hydrogels to act as scaffold systems to compounds incorporated into agriculture ...