2009
DOI: 10.1016/j.polymdegradstab.2009.02.003
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Variation of anions in layered double hydroxides: Effects on dispersion and fire properties

Abstract: a b s t r a c tLayered double hydroxides (LDHs) are interesting materials for nanocomposite formation because one can vary the identity of the metals, the anions and the stoichiometry to see the effect of these on the ability of the nano-material to disperse in a polymer and to see what effect dispersion has on the properties of the polymer. In this study, the anions 2-ethylhexyl sulfate (SEHS), bis(2-ethylhexyl) phosphate (HDEHP) and dodecyl benzenesulfonate (SDBS) have been utilized as the charge balancing a… Show more

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Cited by 93 publications
(67 citation statements)
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“…The combustion behavior of PMMA/LDH composites showed better improvement in fire properties relative to what has usually been obtained for PMMA/layered silicate nanocomposites, and this behavior was found to correlate with the type of the charge balancing anion in the LDH precursor (e.g. carboxylate, phosphates, phosphonates) [18] and the anion chain lengths [19]. The trivalent metal has also been varied (Al and Fe) with Ca as the divalent metal.…”
mentioning
confidence: 83%
“…The combustion behavior of PMMA/LDH composites showed better improvement in fire properties relative to what has usually been obtained for PMMA/layered silicate nanocomposites, and this behavior was found to correlate with the type of the charge balancing anion in the LDH precursor (e.g. carboxylate, phosphates, phosphonates) [18] and the anion chain lengths [19]. The trivalent metal has also been varied (Al and Fe) with Ca as the divalent metal.…”
mentioning
confidence: 83%
“…Estas monolamelas com nanômetros criam uma grande área superficial de contato com a matriz, o que acarreta ligações mais fortes e em maior número, possibilitando que ocorra um completo sinergismo entre matriz e reforço [2,3] .…”
Section: Métodosunclassified
“…Os nanocompósitos podem ser definidos como materiais híbridos em que pelo menos um dos componentes tem dimensões nanométricas [1][2][3] . Nanocompósitos poliméricos apresentam recente desenvolvimento e têm como marco inicial a publicação de um trabalho na década de 80/90 pelo grupo de pesquisa da empresa Toyota, onde foi produzido um nanocompósito de nylon 6 e o argilomineral (montimorilonita).…”
Section: Introductionunclassified
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