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Typus
Verschleierung
Bearbeiter
Hindemith
Gesichtet
Yes.png
Untersuchte Arbeit:
Seite: 26, Zeilen: 2-13
Quelle: Van Zyl et al 2002
Seite(n): 106, 107, Zeilen: 106: l.col: 2 ff.; 107: l.col: 1 ff.
Polymer nanocomposites constitute a class of hybrid materials composed of a polymer matrix and an inorganic filler component which has at least one dimension in the nanometer (100 nm) size domain [77- 79]. The properties of a polymer-reinforced composite are mostly influenced by the size, shape, composition, state of agglomeration, and degree of matrix filler adhesion [80]. Optimum surface curvature at the polymer-filler interface can be realized when large surface areas are created, which is possible when the filler particles are sufficiently small [81]. Decreasing the particle size to the nano-size dimension influences the macroscopic properties of the polymer because a breakdown of the common rule-of-mixture theory occurs [82]. A major challenge remains, however, to effectively incorporate mono-disperse nanoparticles inside a polyamide matrix since a drawback of such small particles is their tendency to aggregate, particularly when higher particle concentrations, intimate mixing and prolonged heating are part of the reaction conditions.

[77] E. Werner, van Zyl, G. Monserrat, Macromolecular Materials and Engineering, 2002, 287, 106-110, and references therein.

[78] E. P. Giannelis, Advanced Materials 1996, 8, 29.

[79] P. C. le Baron, Z. Wang, T. J. Pinnavaia, Applied Clay Science 1999, 15, 11

[80] W. Helbert, J. Y. Cavaille, A. Dufresne, Polymer Composites 1996, 17, 604.

[81] D. W. Clegg, A. A. Collyer, ªMechanical Properties of Reinforced Thermoplasticsº, Elsevier 1986.

[82] J. Choi, J. Harcup, A. F. Yee, Q. Zhu, R. M. Laine, Journal of the American Chemical Society. 2001, 123, 11420,

Polymer nanocomposites constitute a class of hybrid materials composed of a polymer matrix and an inorganic filler component which has at least one dimension in the nanometer (<100 nm) size domain.[1, 2] [...] The properties of a polymer-reinforced composite are mostly influenced by the size, shape, composition, state of agglomeration, and degree of matrix-filler adhesion.[4] Optimum surface curvature at the polymer-filler interface can be realized when large surface areas are created, which is possible when the filler particles are sufficiently small.[5] Decreasing the particle size to the nano-size dimension influences the macroscopic properties of the polymer because a breakdown of the common rule-of-mixture theory occurs.[6] [...] A major challenge remains, however, to effectively incorporate monodisperse nanoparticles inside a polyamide

[page 107]

matrix since a drawback of such small particles is their tendency to aggregate, particularly when higher particle concentrations, intimate mixing and prolonged heating are part of the reaction conditions.


[1] E. P. Giannelis, Adv. Mater. 1996, 8, 29.

[2] [2a] ªPolymer Clay Nanocompositesº, T. J. Pinnavaia, G. W. Beall, Eds., Wiley, New York 2001; [2b] P. C. le Baron, Z. Wang, T. J. Pinnavaia, Appl. Clay Sci. 1999, 15, 11.

[4] W. Helbert, J. Y. Cavaille, A. Dufresne, Polym. Comp. 1996, 17, 604.

[5] D. W. Clegg, A. A. Collyer, ªMechanical Properties of Reinforced Thermoplasticsº, Elsevier 1986.

[6] J. Choi, J. Harcup, A. F. Yee, Q. Zhu, R. M. Laine, J. Am. Chem. Soc. 2001, 123, 11420, and references therein.

Anmerkungen

The source is mentioned as one of three references for the first sentence. It does not become clear that the entire passage, including all references, is taken from the source.

Sichter
(Hindemith), SleepyHollow02

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