Influence of Xyloglucan Molar Mass on Rheological Properties of Cellulose Nanocrystal/Xyloglucan Hydrogels

2019 ◽  
Vol 7 (12) ◽  
pp. 1381-1390 ◽  
Author(s):  
Malika Talantikite ◽  
Antoine Gourlay ◽  
Sophie Le Gall ◽  
Bernard Cathala
Keyword(s):  
Rheological Properties ◽  
Molar Mass ◽  
Cellulose Nanocrystal

The Mobility and Rheological Properties of Phenyl Silicone Rubber

2012 ◽  
Vol 624 ◽  
pp. 256-259 ◽  
Author(s):  
Zhen Wu ◽  
Ying Qiang Zhang ◽  
Qing Guo
Keyword(s):  
Temperature Dependence ◽  
Rheological Properties ◽  
Silicone Rubber ◽  
Molar Mass ◽  
High Molar Mass

In this paper the mobility and factots affecting mobility of phenyl silicone rubber is studied. The results showed that the crystallinity of phenyl silicone rubber was declined because of the presence of phenyl and the higher the phenyl content, the lower the crystallinity when the phenyl content was low. The viscosity of the phenyl silicone rubber was rised as molar mass and phenyl content of the rubber was increased but the changes was not uniform. The viscosity of the phenyl silicone rubber was declined as temperature was increased and viscosity-temperature dependence of the high molar mass phenyl silicone rubber was larger. The influence of shearing on the viscosity and mobility of the phenyl silicone rubber were evident.

Molar mass and temperature dependence of rheological properties of polymethylmethacrylate melt

2018 ◽  
Vol 221 ◽  
pp. 62-65 ◽  
Author(s):  
Zhili Lu ◽  
Yamin Pan ◽  
Xianhu Liu ◽  
Guoqiang Zheng ◽  
Dirk W Schubert ◽  
...  
Keyword(s):  
Temperature Dependence ◽  
Rheological Properties ◽  
Molar Mass

Role of interparticle interactions on microstructural and rheological properties of cellulose nanocrystal stabilized emulsions

2018 ◽  
Vol 532 ◽  
pp. 808-818 ◽  
Author(s):  
Aseem Pandey ◽  
Maziar Derakhshandeh ◽  
Stephanie A. Kedzior ◽  
Brandy Pilapil ◽  
Neta Shomrat ◽  
...  
Keyword(s):  
Rheological Properties ◽  
Cellulose Nanocrystal ◽  
Interparticle Interactions

Characterization of Cellulose Nanocrystal Suspension Rheological Properties Using a Rotational Viscometer

2021 ◽  
Vol 71 (3) ◽  
pp. 290-297
Author(s):  
Yucheng Peng ◽  
Changlei Xia ◽  
Brian Via
Keyword(s):  
Shear Rate ◽  
Rheological Properties ◽  
Power Law ◽  
Apparent Viscosity ◽  
Flow Behavior ◽  
Cellulose Nanocrystal ◽  
Rotational Viscometer ◽  
Spindle Rotation ◽  
Quality Control Tool ◽  
Calculation Results

Abstract Interest in cellulose nanocrystal (CNC) recently has been growing significantly. Many applications have been developed for CNC and appropriate procedures to handle the CNC suspensions are critical for these applications. In this study, we explored a method evaluating CNC suspensions based on rheological property characterization. We used a rotational viscometer to characterize CNC suspensions at concentrations of 3, 4, 5, and 6 wt.%. We collected primary readings from the rotational viscometer, including spindle rotation speed and torque, to generate apparent viscosity and shear rate for CNC suspensions. We applied three different methods summarized from the literature to calculate apparent viscosity and real shear rate. We critically analyzed differences among calculation results from the three methods. Shearing thinning behaviors obeyed the power law flow model for all CNC suspensions in the shear rate tested. At different concentrations, consistency and flow behavior indices in the model differed in the measured shear rate range. With the same shear rate, higher concentration CNC suspension had a higher apparent viscosity. The apparent viscosity of the CNC suspension was associated with its weight concentration in a power law relationship. This study indicated that a rotational viscometer can be used as a quality control tool for characterizing the rheological properties of the CNC suspensions. We made recommendations for using appropriate calculation methods to obtain shear rate and apparent viscosity of CNC suspensions from the primary readings of a rotational viscometer under different situations.

Rheological properties of cellulose nanocrystal-polymeric systems

Cellulose ◽  
2018 ◽  
Vol 25 (6) ◽  
pp. 3229-3240 ◽  
Author(s):  
Baoliang Peng ◽  
Juntao Tang ◽  
Pingmei Wang ◽  
Jianhui Luo ◽  
Peiwen Xiao ◽  
...  
Keyword(s):  
Rheological Properties ◽  
Cellulose Nanocrystal ◽  
Polymeric Systems

scholarly journals Effect of SiO2 Particle Size and Length of Poly(Propylene Glycol) Chain on Rheological Properties of Shear Thickening Fluids

2016 ◽  
Vol 61 (3) ◽  
pp. 1511-1514 ◽  
Author(s):  
A. Antosik ◽  
M. Głuszek ◽  
R. Żurowski ◽  
M. Szafran
Keyword(s):  
Particle Size ◽  
Rheological Properties ◽  
Propylene Glycol ◽  
Molar Mass ◽  
Shear Thickening ◽  
Polymeric Chain ◽  
Carrier Fluid ◽  
Shear Thickening Fluids ◽  
Effect Of Particle Size ◽  
Poly Propylene

AbstractThe rheological properties of shear thickening fluids based on silica powder of particles size in range 0.10 – 2.80 μm and poly(propylene glycol) of 425, 1000, 2000 g/mol molar mass were investigated. The effect of particle size and the length of the polymeric chain was considered. The objective of this study was to understand basic trends of physicochemical properties of used materials on the onset and the maximum of shear thickening and dilatant effect. Outcome of the research suggested that an increase in the particle size caused a decrease in dilatant effect and shift towards higher shear rate values. Application of carrier fluid of higher molar mass allowed to increase dilatant effect but it resulted in the increase of the initial viscosity of the fluid.

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