Characterization of Viscoelasticity of Polymers from Renewable Resources
Characterization of the Viscoelasticity of Selected Water-Soluble Polymers from Renewable Resources
Prof. W.-M. Kulicke
Institute of Technical and Macromolecular Chemistry
University of Hamburg, Germany
New fields of application as well as improvements of various synthesized cellulose and starch derivatives and alginates can be found only if detailed knowledge about the chemical nature and the molecular structure is obtained. This includes the determination of the degree of substitution, molar substitution, and regiospecific substitution, as well as the determination of the molar mass, the coil size, and their distributions. In order to achieve a complete understanding of how the viscoelastic properties depend on their molecular structure, we have investigated shear flow (shear stress, normal stress), small-amplitude oscillatory shear, and elongational flow. Structure-property relationships are developed in order to predict and compare the viscosity yield as well as the elasticity yield of such polymer systems. All measurements are made with state-of-the-art equipment and the results can then be discussed in detail to find new applications in pharmacy, medicine, wastewater treatment, and technology.
Prof. Dr.-Ing. Werner-Michael Kulicke studied at the University of Applied Science, Isny/Germany in Chemical Engineering and at the Technical University, Braunschweig, Germany where he received his doctoral degree in Chemistry under the guidance of Prof. Klein. He held a postdoctoral position the University of Massachusetts, Amherst in Polymer Science and Engineering with Prof. R.S. Porter.
He has been Professor at the University of Hamburg, Institute of Technical and Macromolecular Chemistry, since 1985. Research interests include the rheology and physical characterization of water soluble polymers and gels.
He has many honors including the German Adhesive Award (DECHEMA), the Regional VDI Award (Solid / Liquid Separation), Society of German Engineers, the Publication Award by the American Society of Rheology for best publication in 2005 and 2006 in the Journal of Rheology, and has written about 220 publications, including two books, and and holds six patents.
Thursday May 26
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