Polymer Properties At Room And Cryogenic Temperatures

S. They can be used for investigating so-called basic properties which arise from principles of solid state physics. The author greatly appreciates the contributions by his coworkers of the Kernforschungszentrum Karlsruhe in measurement and discussion of many data presented in the textbook and its appendix. Some examples are thermal and electrical insulations, support elements for cryogenic devices, low-loss materials for high­ frequency equipments. At room temperatures, or at the main glass transitions, many processes overlap and the properties are determined by relaxations. It is hoped that, in addition to the scientific part, a data collection in the appendix may help to apply polymers more intensively in low­ temperature technology. Hunklinger, Prof. D. R. Munz and Prof. More and more applications of polymeric materials in low­ temperature technology appear. The chain structure of polymers, however, requires stringent modifications for establishing solid state physics of polymers. Fruitful disccussions with the colleagues Prof. This textbook starts at very low temperatures and ends at room temperature. Baur, Prof. There are also technological aspects for considering polymers at low temperatures. At low temperatures, there are temperature ranges with negligible influences by glass transitions. At low temperatures, may processes and relaxations are frozen which allows singular processes or separate relaxations to be studied. Several processes which are specific of polymers, occur only at low temperatures. Most descriptions of polymers start at room temperature and end at the melting point. H.

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Polymer Properties At Room And Cryogenic Temperatures