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Your search keyword '"Lengalova, Anezka"' showing total 2 results
Start Over Author "Lengalova, Anezka" Publisher world scientific publishing company
2 results on '"Lengalova, Anezka"'

2. THE EFFECT OF POLYPYRROLE LOADING ON THE ELECTRORHEOLOGICAL PROPERTIES OF POLYPYRROLE/SBA-15 SUSPENSIONS.

Author

CHENG, QILIN, PAVLINEK, VLADIMIR, BELZA, TOMAS, LENGALOVA, ANEZKA, HE, YING, and LI, CHUNZHONG

Subjects
PYRROLES, RHEOLOGY, SUSPENSIONS (Chemistry), SILICA, ADSORPTION (Chemistry), ATMOSPHERIC temperature, VISCOELASTIC materials, ELECTRIC fields
Abstract

Encapsulated polypyrrole (PPy) with different amount in the channels of mesoporous silica (SBA-15) was synthesized. The XRD and N2 adsorption/desorption isotherms analysis show that PPy with different loadings in the channels does not affect the ordered hexagonal structure of resultant PPy/SBA-15 nanocomposites. Further, the electrorheological (ER) properties of the nanocomposites with different PPy loadings were investigated by steady and oscillatory shear experiments. The results reveal that PPy/SBA-15 fluids exhibit typical ER and viscoelastic behavior under the applied electric field and ER response depends mainly on PPy loadings and there is an optimum PPy loading for strong ER effect. [ABSTRACT FROM AUTHOR]

Published
2007
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