effect of phase distribution on rheological behavior of
Phase segregation shear thinning and rheological behavior
Sep 01 2014 · This behavior results from the simultaneous occurrence of several phenomena including the effects of the surface charge salinity and viscosities of the dispersed fraction and dispersed phase and these phenomena primarily impact the droplet size and distribution (Langevin et al. 2004 Salager et al. 2001).
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RHEOLOGICAL BEHAVIOR OF CONCENTRATED ALUMINA
behavior and to correlate the rheological (viscosity yield stress and shear rate) properties and dispersion effects of the anionic polyelectrolyte dispersant with three different rheological flow models of the α-Al2O3 aqueous suspensions at a constant high solids loading of 77 wt. ( 43 vol. ). EXPERIMENTAL Materials
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Salt Effects on the Phase Behavior Structure and
The phase behavior is thus defined by two coexistence curves one for the N f I N transition (filled symbols) and the other for the I f I N transition (open symbols). In the presence of 310 mM NaCl both these coexistence curves are shifted upward by about 15 °C indicating that salt has a profound effect on the phase behavior.
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Phase behavior and rheological properties of basil seed
tigated through phase behavior steady shear flow and small amplitude oscillatory shear tests (SAOS). The phase behavior of WPI-BSG mixed solutions was dependent on the initial concentration of biopolymers while the effect of BSG was predomi-nant. Herschel–Bulkley model characterized the flow behavior of ternary mixtures very well.
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Rheological behavior and stability of emulsions obtained
In other words they modify the rheological behavior of the continuous phase and contribute to equalizing the densities of the oil and aqueous phases. 2 4 Thus the analyses of changes in the emulsion structure and rheology due to the addition of different hydrocolloids may be important for understanding their effects on stability. 2 13
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Effects of Granule Size and Size Distribution on
Jul 20 2006 · The effects of granule size and size distribution on rheological behavior of hydroxypropylated and phosphate cross‐linked potato starch (HPS) were studied by steady and dynamic viscoelasticity measurements. The rheological behavior of starch dispersions was strongly influenced by granule size and granule‐to‐granule interaction.
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Rheological Behavior of Filled Polymeric Systems II. The
Jul 24 2000 · Rheological Behavior of Filled Polymeric Systems II. The Effect of a Bimodal Size Distribution of Particulates Journal of Rheology 32 751 Consequently it was possible to calculate an optimum reduction of rheological properties due to a bimodal size distribution of particulates that was in agreement with experimental results.
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RHEOLOGICAL BEHAVIOR OF CONCENTRATED ALUMINA
behavior and to correlate the rheological (viscosity yield stress and shear rate) properties and dispersion effects of the anionic polyelectrolyte dispersant with three different rheological flow models of the α-Al2O3 aqueous suspensions at a constant high solids loading of 77 wt. ( 43 vol. ). EXPERIMENTAL Materials
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Effects of processing sequence on clay dispersion phase
Effects of processing sequence on the clay dispersion phase morphology and thermal and rheological properties of PA6‐HDPE‐clay nanocomposites are investigated in this study. It has been found that the processing sequence plays a key role in the clay dispersion and phase morphology of the PA6‐HDPE‐clay nanocomposites.
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Rheological and thermal properties of suspensions of
The thermal and rheological properties of suspensions of microencapsulated phase change materials (MPCM) in glycerol were investigated. When the microcapsule concentration is raised the heat storage capacity of the suspensions becomes higher and a slight decline in the thermal conductivity of the suspensions is observed. The temperature-dependent shear-thinning behaviour of the suspensions
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(PDF) Effect of ionic strength on rheological behavior of
Effect of ionic strength on rheological behavior of polymer-like cetyltrimethylammonium tosylate micellar solutions this study then was to find systematic correlations between the Our group has studied the phase and rheological behavior of flow behaviour observed and the type of counterion present. results chain length distribution
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Rheological studies on the flow behavior of two-phase
Rheological studies on the flow behavior of two-phase solid-liquid materials Gang Lu Iowa State University Follow this and additional works at https //lib.dr.iastate.edu/rtd
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The effect of grain size distribution on the rheological
This paper investigates the possible effect of grain size distribution on the rheological behavior of polycrystalline materials specifically on the stress exponent n activation energy Q and grain size exponent p in the steady-state deformation. All grains in a specimen are assumed to deform simultaneously by power-law creep and grain boundary diffusion (Coble) creep.
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Rheological studies on the flow behavior of two-phase
Rheological studies on the flow behavior of two-phase solid-liquid materials Gang Lu Iowa State University Follow this and additional works at https //lib.dr.iastate.edu/rtd
Get PriceModeling the Rheological Properties of
The rheological behavior of O/W emulsions is very important from different aspects and various factors affect this parameter. Dispersed phase type concentration and size distribution type and viscosity of thickening agent the viscosity of continuous phase temperature and aqueous phase pH are some of these factors (Kolotova
Get PriceEffect of Modified Starches on Rheological Properties of
and their relation and from values of tangent of phase angle (tan δ 0 0.14−0.37). Principal component analysis revealed both similarities and differences in rheological behavior of the examined ketchup samples thickened with different modified starches. Keywords Ketchup.Modifiedstarches.Consistency. Rheologicalproperties Introduction
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Effects of processing sequence on clay dispersion phase
Effects of processing sequence on the clay dispersion phase morphology and thermal and rheological properties of PA6‐HDPE‐clay nanocomposites are investigated in this study. It has been found that the processing sequence plays a key role in the clay dispersion and phase morphology of the PA6‐HDPE‐clay nanocomposites.
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Effect of Phase Distribution on Rheological Behavior of
Nov 01 2014 · Three kinds of calcium aluminate cements (CaAl 2 O 4 CA) with builtin aluminamagnesia spinel (MA) were prepared.The mineral composition and microstructure characteristics were investigated by techniques of Xray diffraction and scanning electron microscopy.Their setting time and rheological behavior were also analyzed.The resultsi ndicated that when MA phases distributed among CA
Get PriceFactors Affecting Rheology of a SuspensionPharmapproach
A formulator should have exact knowledge of the factors that affect the viscosity to enable him change the rheological behavior of suspension products. Along with the physical factors there are some chemical parameters that affect the particle interactions and thereby the effective dispersed phase fraction which in turn changes the
Get PricePhase transition behavior and electro‐rheological effect
Kosuke Kaneko Yusuke Miwa Naotake Nakamura Electro-rheological effect and dynamic rheological properties of a blend composed of two liquid crystalline materials with different molecular weight Polymer 10.1016/j.polymer.2007.10.034 48 25 () (2007).
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Effect of Chain Structure on the Rheological Properties of
Bulk and solution studies revealed a strongly pronounced effect of chain structure on the rheological and relaxation behavior of well-characterized vinyl acetate–vinyl alcohol copolymers of similar composition and polymerization degree. The frequency–temperature superposition principle is fully applicable to the random copolymers which demonstrate all expected relaxation states whereas a
Get PriceThe effect of grain size distribution on the rheological
Jul 01 1994 · This paper investigates the possible effect of grain size distribution on the rheological behavior of polycrystalline materials specifically on the stress exponent n activation energy Q and grain size exponent p in the steady-state deformation. All grains in a specimen are assumed to deform simultaneously by power-law creep and grain boundary diffusion (Coble) creep.
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RHEOLOGICAL BEHAVIOR OF CONCENTRATED ALUMINA
behavior and to correlate the rheological (viscosity yield stress and shear rate) properties and dispersion effects of the anionic polyelectrolyte dispersant with three different rheological flow models of the α-Al2O3 aqueous suspensions at a constant high solids loading of 77 wt. ( 43 vol. ). EXPERIMENTAL Materials
Get PriceThe effect of temperature on the rheological behavior of
The effect of temperature on the rheological behavior of polyethylene oxide (PEO) solutions diversity of phase behaviors in these polymer. is the discrete distribution
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Effect of molecular weight distribution on rheological
Sep 25 2013 · In this article a series of commercial bimodal polyethylene-100 (PE100) resins were synthesized to clarify the effect of molecular weight distribution (MWD) on rheological crystallization and mechanical properties of bimodal PE. The GPC results show that the three GC100S samples with similar MWD merely differ in the ratio of low molecular weight (MW) fraction which gradually ascends
Get PriceRheological Behavior of Filled Polymeric Systems II. The
An investigation was undertaken to study the influence of a bimodal size distribution of particulates on the shear viscosity primary normal stress coefficient dynamic viscosity and storage modulus of filled polymeric systems. As expected all four rheological properties of the composite systems with a bimodal size distribution of solids were reduced in comparison to the properties of the
Get PriceThe effect of entanglements on the rheological behavior of
We investigated the stress relaxation behavior of critical gels originating from six nearly monodisperse highly entangled polybutadiene melts of different molecular weight from 18000 to 97 000 g/mole. The polymers were vulcanized by a hydrosilation reaction which takes place nearly exclusively at the pendant 1 2-vinyl sites distributed randomly along the polybutadiene chain.
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Correlation between phase separation and rheological
The effect of annealing at 180 °C on the rheological behavior of polymer modified bitumen will be discussed. Since storage modulus G ′ is sensitive to the response to the dynamics of phase structure relaxation and molecular chain motion 19 30 the G ′strain result is given in Fig. 5 obtained by dynamic strain sweep test.
Get Price(PDF) Effects of microfiller on the rheological behavior
Effects of microfiller on the rheological behavior and structure of SBS modified bitumen L M Zhou 1 T Xia 1 J H Xu 2 3 Y P Qin 1 W Q Chen 1 and J F Dai 1 3
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