Rheological behavior of starch–poly(vinyl alcohol)–TiO 2  nanofluids and their main and interactive effects | Zendy

Mousazadeh Saeed | Zendy; Shakouri Abolfazl | Zendy; Hojjat Mohammad | Zendy; Etemad Seyed Gholamreza | Zendy; Heris Saeed Zeinali | Zendy

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Rheological behavior of starch–poly(vinyl alcohol)–TiO 2 nanofluids and their main and interactive effects

Author(s) -

Mousazadeh Saeed,

Shakouri Abolfazl,

Hojjat Mohammad,

Etemad Seyed Gholamreza,

Heris Saeed Zeinali

Publication year - 2016

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.44062

Subject(s) - vinyl alcohol , rheology , starch , materials science , chemical engineering , consistency index , nanofluid , nanoparticle , polymer chemistry , composite material , chemistry , polymer , organic chemistry , nanotechnology , engineering

In this study, an investigation of the rheological behavior of starch/poly(vinyl alcohol) (PVA)/titanium oxide (TiO 2 ) nanofluids was performed. It revealed that the rheological behavior of starch suspensions displays a particular change due to the presence of PVA and TiO 2 . All examined fluids demonstrated non‐Newtonian behavior and followed the Power law model. The main and interacting effects of starch, PVA, and TiO 2 nanoparticles concentrations were studied using the analysis of variance. The results indicated that the flow behavior index ( n ), as well as the consistency index ( K ) of suspensions, is influenced by the PVA and TiO 2 contents. The flow behavior index ( n ) decreased and consistency index ( K ) increased by an increase in PVA concentration. A reverse trend is observed by the addition of TiO 2 nanoparticles to starch and PVA blend suspensions. The difference in rheological behaviors was ascribed to the presence of binary and triplet interactions between starch, PVA, and TiO 2 nanoparticles. © 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016 , 133 , 44062.

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