Influence of the clay content and the polysulfone molar mass on nanocomposite membrane properties
作者： Priscila Anadão , Rafael Rezende Montes , Nelson Marcos Larocca , Luiz Antonio Pessan
DOI: 10.1016/J.APSUSC.2013.01.102
关键词: Composite material 、 Polysulfone 、 Molar mass 、 Materials science 、 Dispersion (chemistry) 、 Nanocomposite 、 Ultimate tensile strength 、 Montmorillonite 、 Enthalpy 、 Membrane
摘要: Abstract Polysulfone/MMT nanocomposite membranes were prepared by a congruence of the wet-phase inversion and solution dispersion techniques. Different clay contents two kinds polysulfone used in order to investigate changes structure as well thermal mechanical properties. The increase basal spacing with content was revealed SAXRD. TEM images depicted presence hybrid morphology SEM showed that particles trapped inside cross-section pores. By increasing molar mass, onset temperature decomposition increased mass loss decreased. From DTA studies, it observed PSf P-1700 low had higher values enthalpies enthalpy P-3500 did not present regular behavior. Also tensile tests, up 4.0 mass% promoted elongation at break strength.
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