volume 39 issue 19 pages 6537-6545

Glass Transition Behavior of Clay Aerogel/Poly(vinyl alcohol) Composites

Publication typeJournal Article
Publication date2006-08-22
scimago Q1
wos Q1
SJR1.352
CiteScore9.0
Impact factor5.2
ISSN00249297, 15205835
Materials Chemistry
Organic Chemistry
Inorganic Chemistry
Polymers and Plastics
Abstract
In polymer/clay nanocomposites, the size and morphology of the dispersed clay are crucial in determining the macroscopic composite properties. Clay can be converted into an aerogel structure through a freeze-drying process which results in a reduction of its density from 2.35 to 0.05 g/cm3. The morphology of these clay aerogels resembles a house of cards structure. Low weight fraction (0.5−4 wt %) composites of clay and clay aerogel with a poly(vinyl alcohol) (PVOH) matrix polymer were prepared. Glass transition temperature (Tg) behaviors of clay/PVOH composites were investigated as a function of size, loading, and dispersion of clay and clay aerogel in the polymer matrix. The trends in Tg measured from both dynamic mechanical analysis and differential scanning calorimetry are similar, exhibiting a maximum value at 1 wt % loading for both clay and clay aerogel and then decreasing with additional filler content. Although the trends are similar, the drop in Tg at 4 wt % clay composite is considerably larger...
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GOST Copy
Bandi S., Schiraldi D. A. Glass Transition Behavior of Clay Aerogel/Poly(vinyl alcohol) Composites // Macromolecules. 2006. Vol. 39. No. 19. pp. 6537-6545.
GOST all authors (up to 50) Copy
Bandi S., Schiraldi D. A. Glass Transition Behavior of Clay Aerogel/Poly(vinyl alcohol) Composites // Macromolecules. 2006. Vol. 39. No. 19. pp. 6537-6545.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1021/ma0611826
UR - https://doi.org/10.1021/ma0611826
TI - Glass Transition Behavior of Clay Aerogel/Poly(vinyl alcohol) Composites
T2 - Macromolecules
AU - Bandi, Suneel
AU - Schiraldi, David A.
PY - 2006
DA - 2006/08/22
PB - American Chemical Society (ACS)
SP - 6537-6545
IS - 19
VL - 39
SN - 0024-9297
SN - 1520-5835
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{2006_Bandi,
author = {Suneel Bandi and David A. Schiraldi},
title = {Glass Transition Behavior of Clay Aerogel/Poly(vinyl alcohol) Composites},
journal = {Macromolecules},
year = {2006},
volume = {39},
publisher = {American Chemical Society (ACS)},
month = {aug},
url = {https://doi.org/10.1021/ma0611826},
number = {19},
pages = {6537--6545},
doi = {10.1021/ma0611826}
}
MLA
Cite this
MLA Copy
Bandi, Suneel, and David A. Schiraldi. “Glass Transition Behavior of Clay Aerogel/Poly(vinyl alcohol) Composites.” Macromolecules, vol. 39, no. 19, Aug. 2006, pp. 6537-6545. https://doi.org/10.1021/ma0611826.