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Macromol. Symp., Vol. 158, 2000, pp. 1-182

Rheology of Polymer Systems

Symposium Editor, J. Kahovec
Wiley-VCH, 2000, pp. 1-182
ISBN 3-527-30137-2


Rheology of polymer systems in the molten state is an area of great scientific interest and practical importance. Molten polymer systems have fascinating rheological properties, which qualitatively differ from those of low-molecular weight liquids. Knowledge of the properties and understanding of their relations to the structure are necessary conditions for efficient processing of polymeric materials. Micro-rheological description of the phase structure formation in multi-component polymer systems during their preparation by melt mixing and processing is needed for controlling their structure and, therefore, also their properties. For these reasons, in the last decade, the rheology of polymer systems has been an object of intensive studies. Due to the complexity of studied problems, correct determination of rheological properties of polymer systems is not always easy and many various approximations are used in the description of the rheological behaviour of polymer systems. Therefore, the discussion of methods of measurements, as well as plausibility and consequences of various approaches to the description of rheological properties and the relations to the structure of polymer systems is extremely important.

Rheology of polymer systems was also the topic of the 19th Discussion Conference organised as the 58th meeting in the series of the Prague Meetings on Macromolecules (PMM) on July 19-22, 1999. As usual, the meeting was held under the auspices of the International Union of Pure and Applied Chemistry (IUPAC) at the Institute of Macromolecular Chemistry of the Academy of Sciences of the Czech Republic in Prague. A total of 66 participants from 22 countries contributed to the scientific program of the conference. There were 6 main lectures, 17 special lectures and 23 poster communications. The most interesting panel discussions were devoted to problems of rheometry and processing in multiphase polymer systems (led by A. Ya. Malkin, Russia) and problems of the description of structure formation and evolution in molten multiphase polymer systems (led by J. Lyngae-Jørgensen, Denmark). All the contributions and discussions were very helpful for better understanding the problems of determination of rheological properties, of the prediction of relations between the structure and rheological properties of polymer systems and of the description of the phase structure formation and evolution in multi-component polymer systems. We believe that the main and special lectures collected in this volume will provide the same benefit to the readers.

The participants created not only an excellent professional forum but also a very agreeable company We wish to express our gratitude to all participants and sponsors for supporting the meeting, to the organising committee for their very good job and to the contributors for their carefully prepared papers.

Ivan Fortelny
Jaroslav Kahovec

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