Polymers for Advanced Techs
 2008
DOI: 10.1002/pat.1074
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Nanofiller‐reinforced polymer nanocomposites

James Njuguna
1
,
Krzysztof Pielichowski
2
,
S. Desai
3

Abstract: In this work, the technology of nano and micro-scale particle reinforcement concerning various polymeric fibre-reinforced systems including polyamides (PA), polyesters, polyurethanes, polypropylenes and high performance/temperature engineering polymers such as polyimide (PI), poly(ether ether ketone) (PEEK), polyarylacetylene (PAA) and poly p-phenylene benzobisoxazole (PBO) is reviewed. When the diameters of polymer fibre materials are shrunk from micrometers to submicrons or nanometers, there appear several u… Show more

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Cited by 317 publications

(147 citation statements)
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“…Nanoclays contain surface hydroxyl groups, which seem to increase the interfacial interactions and bonding with the hydroxyl and etheric bonds of the cellulose chains. Other researchers have also confirmed similar interactions between different polymer macromolecules and clay nanoparticles in nanocomposites (Njuguna et al, 2008;Parvinzadeh et al, 2010a). Determination of the thermal properties Figure 2 shows measured DSC curves of the untreated, the 1 and 10 per cent clay mineral treated cotton fibres at pH ¼ 5 and 7.…”
Section: Structural Information By Ft-ir Spectrummentioning
confidence: 54%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
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“…Nanoclays contain surface hydroxyl groups, which seem to increase the interfacial interactions and bonding with the hydroxyl and etheric bonds of the cellulose chains. Other researchers have also confirmed similar interactions between different polymer macromolecules and clay nanoparticles in nanocomposites (Njuguna et al, 2008;Parvinzadeh et al, 2010a). Determination of the thermal properties Figure 2 shows measured DSC curves of the untreated, the 1 and 10 per cent clay mineral treated cotton fibres at pH ¼ 5 and 7.…”
Section: Structural Information By Ft-ir Spectrummentioning
confidence: 54%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
show abstract
“…We believe that the reason of this behaviour is the strong influence of the kaolinite on the chain dynamics. Although fillers usually act as nucleation centers [26], the crystallization in the present system is slowed down as a result of lower chain mobility. Figures 6(b) depicts the DSC cooling thermograms of neat PP and its ammonium modified kaolin composites.…”
Section: Composites Tensile Properties Figuresmentioning
confidence: 79%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
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“…NPs improved the mechanical properties of nanocomposites over the polymer itself. 11 It was observed that 2.5 wt% Ag showed three times higher storage modulus (7 Â 10 9 Pa) compared to PEI (2 Â 10 9 Pa). This indicates that the concentration has also an impact on mechanical properties similar to their thermal stability.…”
Section: Resultsmentioning
confidence: 95%
Exaggerated anticipatory anxiety is common in social anxiety disorder (SAD). Neuroimaging studies have revealed altered neural activity in response to social stimuli in SAD, but fewer studies have examined neural activity during anticipation of feared social stimuli in SAD. The current study examined the time course and magnitude of activity in threat processing brain regions during speech anticipation in socially anxious individuals and healthy controls (HC). Method Participants (SAD n = 58; HC n = 16) underwent functional magnetic resonance imaging (fMRI) during which they completed a 90s control anticipation task and 90s speech anticipation task.
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