Applied Rheology

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

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.

Improved processability of linear low-density polyethylene copolymers

Luciano Di Maio, Emilia Garofalo, and Loredana Incarnato
21 August 2015
Increasing short-chain branching length by even just a few carbon atoms reduces extrudate distortion.