Applied Rheology

Welcome to the Applied Rheology section. The latest articles for this section are displayed below:

Correlation between filler concentration and viscosity power-law for polymer slurries

Gregory A. Campbell and Mark D. Wetzel
28 July 2016
A new predictive relationship that is based on percolation theory concepts has been verified with tubular flow experiments.

Shear viscosity of fast-reacting aqueous polymer solutions

Magnus Tewes and Urs Alexander Peuker
18 July 2016
A power-law function is used in a simple empirical approach to describe the shear viscosity of acrylic acid in water during polymerization.

Numerical simulation and experimental validation of the dip-coating process

Xian-Ming Zhang, Meng-Meng Chen, Jian-Ping Ma, Wen-Xing Chen, and Lian-Fang Feng
15 July 2016
A comprehensive investigation involved the direct measurement of the thickness, free surface, and flow field of non-Newtonian fluids and polyacrylic acid solutions.

High-molecular-weight polyvinylidene difluoride binder for high-capacity cathodes

Maurizio Biso, Md-Jamal Uddin, and Sung-Jin Cho
24 June 2016
Slurries prepared with optimized binders exhibit good rheological characteristics and are a cost-effective option for lithium-ion battery applications.

Frictional heating of extruded polymer melts

José Pérez-González, Héctor S. Zamora-López, and Benjamí-n M. Marí-n-Santibáñez
8 June 2016
Rheo-particle image velocimetry and thermal imaging results show that frictional and viscous heating act synergistically to produce significant temperature increases when a melt is extruded under slip conditions.

Predicting viscosity and relaxation modulus of polymers

Huimin Li and Boming Zhang
26 April 2016
The novel ‘viscosity-cure’ shift factor is used to model the rheological and stress relaxation behavior of epoxy resin during the curing process.

New method for the design of high-performance polypropylene

Shuai Zhou and Zhong Xin
18 March 2016
Beta-form polypropylene can be produced through the introduction of a branching molecular architecture and by conducting crystallization under shear and rapid cooling conditions.

Predicting flow-induced stress during injection/compression molding

Wei Cao, Qian Zhang, Yanhui Qi, Guixiang Lu, and Changyu Shen
11 March 2016
A new approach, which combines the eXtended Pom-Pom finite element model and an arbitrary Lagrangian-Eulerian technique, is used to simulate stress levels at different points in a molded part.

Enhancing the processability and performance of polylactic acid resins

Emilia Garofalo, Paola Scarfato, Luciano Di Maio, and Loredana Incarnato
2 February 2016
An in-depth study of polylactide nanocomposite molecular characteristics demonstrates that selecting appropriate organoclays for each polylactide grade is a key issue.

Angle analysis for the evaluation of in-plane anisotropic properties

Claudio Di Fratta
16 December 2015
A new approach, based on angle measurements in simple unidirectional tests, reduces the time, samples, and costs required for determination of material parameters such as textile permeability.