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Linear and nonlinear rheology of polymer/layered silicate nanocomposites
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10.1122/1.3372720
/content/sor/journal/jor2/54/3/10.1122/1.3372720
http://aip.metastore.ingenta.com/content/sor/journal/jor2/54/3/10.1122/1.3372720
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

X-ray patterns of pure PBSA, Cloisite 30B, and PBSAC30BNs.

Image of FIG. 2.
FIG. 2.

TEM images of PBSAC30BN1 with two different magnifications.

Image of FIG. 3.
FIG. 3.

TEM images of PBSAC30BN4 with two different magnifications.

Image of FIG. 4.
FIG. 4.

Storage modulus vs time for nanocomposites with two different clay concentrations after loading and squeezing the samples.

Image of FIG. 5.
FIG. 5.

Normalized storage modulus vs strain for pure PBSA and its nanocomposites.

Image of FIG. 6.
FIG. 6.

Linear viscoelastic data. (a) Storage modulus. (b) Complex viscosity.

Image of FIG. 7.
FIG. 7.

Storage modulus at low frequency vs clay volume fraction. Lines are the linear regression through the corresponding data points.

Image of FIG. 8.
FIG. 8.

Effect of shear rate on the start-up material functions of PBSAC30BN2. (a) Shear stress. (b) Normal stress difference.

Image of FIG. 9.
FIG. 9.

Effect of shear rate on the normalized start-up material functions of PBSAC30BN2. (a) Shear stress. (b) Normal stress difference.

Image of FIG. 10.
FIG. 10.

Effect of shear rate on the relaxation material functions of PBSAC30BN2. (a) Shear stress. (b) Normal stress difference.

Image of FIG. 11.
FIG. 11.

Effect of shear rate on the normalized relaxation material functions of PBSAC30BN2. (a) Shear stress. (b) Normal stress difference.

Image of FIG. 12.
FIG. 12.

Effect of clay loading on the (a) steady state viscosity and (b) yield stress.

Image of FIG. 13.
FIG. 13.

Effect of clay loading on the (a) start-up viscosity and (b) stress relaxation.

Image of FIG. 14.
FIG. 14.

Effect of clay loading on the steady state material functions. (a) Normal stress difference vs shear rate. (b) Normal stress difference vs shear stress.

Image of FIG. 15.
FIG. 15.

Effect of clay loading on the normal stress difference. (a) Start-up. (b) Relaxation.

Image of FIG. 16.
FIG. 16.

Shear stress components arising from polymer contribution , particles contribution , and total shear stress . (a) Steady state shear stress. (b) Transient shear stress.

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/content/sor/journal/jor2/54/3/10.1122/1.3372720
2010-05-07
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Linear and nonlinear rheology of polymer/layered silicate nanocomposites
http://aip.metastore.ingenta.com/content/sor/journal/jor2/54/3/10.1122/1.3372720
10.1122/1.3372720
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