TIT# Condensation thermoplastic elastomers under load: Methodological studies of nanostructure evolution by X-ray scattering AUT# Stribeck, N. SOU# booktitle | Condensation Thermoplastic Elastomers editor | Fakirov, Stoyko publisher | Wiley-VCH address | Weinheim year | 2003 chapter | 3 pages | 1-30 LOC# xv075 CLA# COM# APP# MAT# ABS# Elastic at room temperature and fusible. This pair of properties characterizing thermoplastic elastomers (TPE) is caused from a process of phase separation on the nanometer scale taking place whenever the polymer is cooled from the melt. Size, shape and perfection of the domains is affacted by variation of processing parameters. However, the nanostructure is not only altered during manufacturing. Even in service it responds to applied load, and materials properties change. X-ray methods are well-suited to monitor nanostructure evolution during processing. There is a considerable progress in instrumentation, but a considerable backlog what the effort on method development is concerned. The aim of this contribution is not only to illustrate X-ray methods that may be suitable for the investigation of a special class of thermoplastic elastomers, but also to turn the readers attention to the perspectives of an advanced analysis of scattering data.