INVESTIGATION OF RHEOLOGICAL BEHAVIOR TO THE STATE OF DISPERSION IN POLYURETHANE-MONTMORILLONITE NANOCOMPOSITES

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ASHHARI SH.; SARABI A.A.; KASIRIHA S.M.; ZAREEI D.

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Journal: JOURNAL OF COLOR SCIENCE AND TECHNOLOGY Year:2009 | Volume:3 | Issue:2 Page(s): 89-96

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Title

INVESTIGATION OF RHEOLOGICAL BEHAVIOR TO THE STATE OF DISPERSION IN POLYURETHANE-MONTMORILLONITE NANOCOMPOSITES

Author(s)

ASHHARI SH. | SARABI A.A. | KASIRIHA S.M. | ZAREEI D. | Issue Writer Certificate

Keywords

RHEOLOGYQ2

NANOCOMPOSITEQ2

NANOCLAYQ2

POLYURETHANEQ2

MONTMORILLONITEQ2

Abstract

Polyurethane-clay NANOCOMPOSITEs were prepared by applying high-intensity ultrasound during the synthesis of clay-urethane NANOCOMPOSITEs. In this article, rheological measurements along with turbidimetry, optical microscopy, X ray diffraction (XRD) and Transmission electron microscope (TEM) analyses were carried out. The results of XRD showed that the distances between silicate layers of clay reached to 41 Ao in the polymeric matrix. Results showed that NANOCOMPOSITEs had higher dynamic moduli, and solid like behavior in comparison to that of neat POLYURETHANE. The strong increase in modulus of NANOCOMPOSITEs was due to the intercalated and dispersed silicate platelets. The increase rate in storage modulus of these composites decreased at higher organoclay loadings and was not linear. Also, the sample that contained 5% organic clay showed a shear thinning behavior at low frequencies. By using the results of XRD, optical microscopy and rheometery analysis, the state of dispersion and optimum percent of clay that has the best dispersion state were obtained.

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APA: Copy

ASHHARI, SH., SARABI, A.A., KASIRIHA, S.M., & ZAREEI, D.. (2009). INVESTIGATION OF RHEOLOGICAL BEHAVIOR TO THE STATE OF DISPERSION IN POLYURETHANE-MONTMORILLONITE NANOCOMPOSITES. JOURNAL OF COLOR SCIENCE AND TECHNOLOGY, 3(2), 89-96. SID. https://sid.ir/paper/137430/en

Vancouver: Copy

ASHHARI SH., SARABI A.A., KASIRIHA S.M., ZAREEI D.. INVESTIGATION OF RHEOLOGICAL BEHAVIOR TO THE STATE OF DISPERSION IN POLYURETHANE-MONTMORILLONITE NANOCOMPOSITES. JOURNAL OF COLOR SCIENCE AND TECHNOLOGY[Internet]. 2009;3(2):89-96. Available from: https://sid.ir/paper/137430/en

IEEE: Copy

SH. ASHHARI, A.A. SARABI, S.M. KASIRIHA, and D. ZAREEI, “INVESTIGATION OF RHEOLOGICAL BEHAVIOR TO THE STATE OF DISPERSION IN POLYURETHANE-MONTMORILLONITE NANOCOMPOSITES,” JOURNAL OF COLOR SCIENCE AND TECHNOLOGY, vol. 3, no. 2, pp. 89–96, 2009, [Online]. Available: https://sid.ir/paper/137430/en

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