New polymer electrolyte nanocomposites: Melt intercalation of poly(ethylene oxide) in mica‐type silicates

Vaia, Richard A.; Vasudevan, S.; Krawiec, Włodzimierz; Scanlon, L. G.; Giannelis, E.P.

doi:10.1002/adma.19950070210

Cited by 647 publications

(493 citation statements)

References 18 publications

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“…11 These systems show a strong dependence of heat-distortion temperature on weight percentage of exfoliated clay, and this feature has made such materials attractive candidates for applications featuring temperatures higher than those of the matrix-polymer use temperature. The impact of clay incorporation on mechanical properties has been studied less, but it does appear that the impact properties are maintained.…”

Section: Introductionmentioning

confidence: 99%

Mechanical Relaxation and Microstructure of Poly(norbornyl-POSS) Copolymers

Mather¹,

Jeon²,

Romo-Uribe³

et al. 1999

Macromolecules

389

277

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The mechanical relaxation behavior and microstructure of a series of novel norbornyl-POSS organic-inorganic copolymers have been investigated. We have examined the influence on physical properties of both the weight fraction of POSS-norbornyl monomer and the corner group composition. POSS refers to the polyhedral oligomeric silsesquioxane inorganic/organic macromer, which is composed of an inorganic Si 8O12 spherical core surrounded by seven inert organic corner groups and one reactive norbornyl moiety. It was observed that POSS copolymerization enhances the R-relaxation temperature, TR, in proportion to the weight fraction of the POSS-norbornyl comonomer. Interestingly, however, the magnitude of this dependence is larger for the POSS-norbornyl comonomer possessing cyclohexyl corner groups (CyPOSS) than for the copolymer with cyclopentyl corner groups (CpPOSS). Although POSS copolymerization yields only slight enhancement of the room temperature storage modulus, at temperatures lower than a strong mechanical relaxation, identified as a -relaxation, and near T ) -

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Section: Introductionmentioning

confidence: 99%

Mechanical Relaxation and Microstructure of Poly(norbornyl-POSS) Copolymers

Mather¹,

Jeon²,

Romo-Uribe³

et al. 1999

Macromolecules

389

277

View full text Add to dashboard Cite

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“…Many studies have been recently focusing on the development and characterization of new nanocomposites exhibiting anisotropic morphologies [8][9][10][11][12][13][14]. Specific mechanical and physical properties are expected when the filler particles are plateletshaped [15,16].…”

Section: Introductionmentioning

confidence: 99%

Morphological study of magnesium hydroxide nanoparticles precipitated in dilute aqueous solution

Henrist

Mathieu

Vogels

et al. 2003

Journal of Crystal Growth

320

216

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Among other applications, magnesium hydroxide is commonly used as a flame-retardant filler in composite materials, as well as a precursor for magnesium oxide refractory ceramic. The microstructure of the powder is of prime importance in both technical applications. The influence of synthesis parameters on the morphological characteristics of magnesium hydroxide nanoparticles precipitated in dilute aqueous medium was studied. Several parameters were envisaged such as chemical nature of the base precipitant, type of counter-ion, temperature and hydrothermal treatment. Special attention was given to the obtaining of platelet-shaped, nanometric and de-agglomerated powders. The powders were characterized in terms of particle size distribution, crystal habits, morphology and ability to be redispersed in water. X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), nitrogen adsorption and laser diffusion analyses were used for this purpose. r

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“…Polymer-clay nanocomposites have been studied extensively for several years, and it is now known that the fire properties, thermal stability [1] and [2], gas barrier properties [3], ionic conductivity [4], mechanical properties [5] and [6], etc., are all improved relative to the virgin polymer. Nanocomposites can be described as immiscible, intercalated or exfoliated depending on the type of dispersion of the nanomaterial in the polymer.…”

Section: Introductionmentioning

confidence: 99%

Ferrocene and ferrocenium modified clays and their styrene and EVA composites

Manzi-Nshuti

Wilkie

2007

Polymer Degradation and Stability

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Abstract:In this work, ferrocene-and ferrocenium-containing salts were employed to modify montmorillonite. X-ray measurements show an increase in the interlayer spacing upon clay modification, which means that the larger and more organophilic cations were inserted into the gallery space of montmorillonite. Attempts to prepare nanocomposites of polystyrene and ethylene vinyl acetate copolymers lead to immiscible systems; the morphology of these systems was elucidated with TEM, XRD and cone calorimetry. The thermal stability of the composites is greater than that of the virgin polymer.

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New polymer electrolyte nanocomposites: Melt intercalation of poly(ethylene oxide) in mica‐type silicates

Cited by 647 publications

References 18 publications

Mechanical Relaxation and Microstructure of Poly(norbornyl-POSS) Copolymers

Mechanical Relaxation and Microstructure of Poly(norbornyl-POSS) Copolymers

Morphological study of magnesium hydroxide nanoparticles precipitated in dilute aqueous solution

Ferrocene and ferrocenium modified clays and their styrene and EVA composites

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