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Formation and Characterization of the Inclusion Complexes Between Poly(dimethylsiloxane) and Polyacrylonitrile with γ-Cyclodextrin by Francis E Porbeni; Efe M Edeki; I Dan Shin; Alan E Tonelli is a Materials Science article available to read on EtoBox.

What is Formation and Characterization of the Inclusion Complexes Between Poly(dimethylsiloxane) and Polyacrylonitrile with γ-Cyclodextrin about?

Poly(dimethylsiloxane) and polyacrylonitrile have been observed to form inclusion complexes (ICs) with g-cyclodextrin. These complexes were prepared by a solution-heating technique. Their structural features were observed with the use of: FTIR, TGA, WAXS, and 13 C-NMR. FTIR identi®es absorption peaks of the guest polymer molecules in the cyclodextrin. Thermal decomposition shows that the ICs have a higher thermal stability than the pure g-cyclodextrin. The wide angle X-ray diffraction of the complexes indicates that the ICs form channel structures. CP-MAS 13 C-NMR spectra of the ICs show that g-cyclodextrin, in the presence of a polymer guest, adopts a more symmetric conformation when compared to its pure state.

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Author

Francis E Porbeni; Efe M Edeki; I Dan Shin; Alan E Tonelli

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0032-3861)

Published

2001

Language

EN

Field

Materials Science (Physical Sciences)