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Typus
BauernOpfer
Bearbeiter
Hindemith
Gesichtet
Yes.png
Untersuchte Arbeit:
Seite: 50, Zeilen: 1 ff. (entire page)
Quelle: Fornes 2003
Seite(n): 254, 258, 259, Zeilen: 254: 1 ff.; 258: last lines; 259: 1 ff.
[Further WAXD investigations conducted on samples that had been annealed at different temperatures showed the onset of] the γ- to α- transition, normally observed around 130 °C for p ure polyamide 6, in this case at 120 °C, occurred approximately 40 °C higher for the nan ocomposite. Interestingly, an unexpected higher amount of γ-form was observed after annealing at 200 °C than a t 180 °C. Lastly, non-isothermal crystallization surprisingly showed that the degree of crystallinity increased with increasing cooling rate for the nanocomposites, in contrast to what is observed in pure polyamide 6 and other polymers.

Table 4.1 Miscellaneous data for the α- and γ-crystalline forms of polyamide 6

Mrs 050a diss.png

a Hexagonal lattice constants were calculated based on the monoclinic parameters a=0.933nm, b=1.688nm, and c=0.478nm and β=121°. The hexagonal lattice constant, a, was taken as the average of a and half of b of the monoclinic unit cell. The constant c representing the fiber axis remained fixed [161].


[161] T.D. Fornes, D.R. Paul, Polymer 2003, 44, 3945.

[173] S.M: Aharoni, n-Polyamides, their synthesis, structure, and properties. Chichester; New York: Wiley; 1997.

[174] Arimoto H, Ishibashi M, Hirai M, Chatani Y. Journal of Polymer Science Partt A 1965; 3(1):317–26.

[175] D.R. Holmes, C.W. Bunn, D.J. Smith, Journal of Polymer Science 1955;17:159–77.

[176] N. Murthy, Polymer Communications 1991;32(10):301–5.

[177] F. Rybnikar, Burda J. Faserforsch u Textiltech 1961;12:324–31.

[178] L.G. Roldan, H.S. Kaufman, Polymer Letter 1960;1:603–8.

[179] T. Itoh, H. Miyaji, K. Asai, Japanese Journal of Applied Physics 1975;14(2):206–15.

[180] A. Reichle, A. Prietzschk, Angew Chem 1962;74:562–9.

[181] L.G. Wallner, Monatsh 1948;79:279–95.

[182] K.H. Illers, H. Haberkorn, P. Simak, Makromolekulare Chemie1972;158: 285–311.

[183] K.H. Illers, Makromolekulare Chemie 1978;179(2):497–507.

[184] K.H. Illers, H. Haberkorn, Makromolekulare Chemie 1971;142:31–67.

[185] S. Gogolewski, M. Gasiorek, K. Czerniawska, A. Pennings. Colloid and Polymer Science 1982; 260(9):859–63.

[186] D.C. Vogelsong, J Polymer Science 1963; 1(Pt. A):1055–68.

Table 9.1 Miscellaneous data for the α and γ crystalline forms of nylon 6.

Mrs 050a source.png

(a) Hexagonal lattice constants were calculated based on the monoclinic parameters a = 0.933 nm, b = 1.688nm, and c = 0.478nm and β = 121°. The hexagonal lattice constant, a, was taken as the average of a and half of b of the monoclinic unit cell. The constant c representing the fiber axis remained fixed.

[page 258]

Further WAXD investigations conducted on samples that had been annealed at different temperatures showed the onset of

[page 259]

the γ to α transition, normally observed around 130°C for pure nylon 6, in this case 120°C, occurred approximately 40°C higher for the nanocomposite. Interestingly, an unexpected higher amount of γ-form was observed after annealing at 200°C than at 180°C. Lastly, non-isothermal crystallization surprisingly showed that the degree of crystallinity increased with increasing cooling rate for the nanocomposites, counter to what is observed in pure nylon 6 and other polymers.


6. Aharoni, SM, n-Nylons, their synthesis, structure, and properties. New York: J. Wiley & Sons. 1997.

7. Arimoto, H, Ishibashi, M, Hirai, M, Chatani, Y. J Polymer Sci, Part A 1965;3(1): 317-26.

8. Holmes, DR, Bunn, CW, Smith, DJ. J Polymer Sci 1955;17: 159-77.

9. Kohen, MI, ed. Nylon plastics handbook. Hanser: New York. 1995.

11. Rybnikar, F, Burda, J. Faserforsch u Textiltech 1961;12: 324-31.

12. Roldan, LG, Kaufman, HS. Polym Letts 1960;1: 603-8.

13. Itoh, T, Miyaji, H, Asai, K. Jpn J Appl Phys 1975;14(2): 206-15.

14. Reichle, A, Prietzschk, A. Angew Chem 1962;74: 562-9.

15. Wallner, LG. Monatsh 1948;79: 279-95.

16. Illers, KH, Haberkorn, H, Simak, P. Makromol Chem 1972;158: 285-311.

17. Illers, KH. Makromol Chem 1978;179(2): 497-507.

18. Illers, KH, Haberkorn, H. Makromol Chem 1971;142: 31-67.

19. Gogolewski, S, Gasiorek, M, Czerniawska, K, Pennings, AJ. Colloid Polym Sci 1982;260(9): 859-63.

20. Vogelsong, DC. J Polym Sci 1963;1(Pt. A): 1055-68.

Anmerkungen

The source is not mentioned. Possibly the table can also be found in the reference [161] (still to be checked), but even if this was the case, this reference would not make clear that the entire page is taken from the source.

Sichter
(Hindemith), SleepyHollow02

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