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Montmorillonite as a component of polysulfone nanocomposite membranes
Nanocomposite membranes containing polysulfone (PSf) and sodium montmorillonite from Wyoming (MMT) were prepared by a combination of solution dispersion and the immersion step of the wet-phaseExpand
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Determination of inorganic constituents and polymers in metallized plastic materials
SummaryThis work presents results obtained in the analyses of metallized plastics by neutron activation analysis (NAA) and results of polymer identification by infrared spectroscopy (IR) andExpand
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Comparação de Técnicas FTIR de Transmissão, Reflexão e Fotoacústica na Análise de Poliamida-6, Reciclada e Irradiada
A comparative study involving transmission, reflection and photoacoustic FTIR techniques is presented with analysis of polyamide-6. The potential and limitations of these methods are investigated byExpand
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Nanocomposite Microcapsules from Powders of Polyhydroxybutyrate (PHB) and Smectite Clays
Drug delivery systems involving microcapsules provide an attractive way to improve the performance of many chemical and biological substances. These systems may be used for several industrialExpand
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Uso da cinza da casca de arroz como carga em matrizes de poliamida 6 e poliamida 6.6
This work evaluates the technical viability of the use of rice husk ash as filler in polyamide 6 and polyamide 6.6 which are one of the main engineering plastics with applications in several areas. AExpand
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Using PLS, iPLS and siPLS linear regressions to determine the composition of LDPE/HDPE blends: A comparison between confocal Raman and ATR-FTIR spectroscopies
Abstract Polyethylenes can be distinguished from each other by branching degree and molar mass, which cause significant changes in their properties, rheological and thermal behaviors. However, theExpand
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Effects of gamma radiation on commercial food packaging films—study of changes in UV/VIS spectra
Abstract The effects of gamma irradiation doses up to 100 kGy on the optical properties of different commercial packaging films were studied in this paper. The packaging films analyzed were:Expand
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Study of the influence of graphite content on polysulfone-graphite composite membrane properties
Techniques such as plasma treatment and electrophilic aromatic substitution are strategies commonly used to increase membrane hydrophilicity. We here suggest the addition of graphite (the contents ofExpand
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