Morphology of syndiotactic polystyrene as examined by small-angle X-ray scattering

John D. Barnes, Gregory B. McKenna, Brian G. Landes, Robert A. Bubeck, David Bank

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


Small Angle X-Ray scattering (SAXS) studies have been carried out on injection molded syndiotactic polystyrene (SPS) at room temperature and at elevated temperatures up to 290°C. Features indicating lamellar crystallinity were weak or entirely absent at room temperature, becoming increasingly intense above the glass transition temperature (Tg) for this material. A background scattering whose intensity was roughly proportional to q-2, where q is the scattering momentum transfer, was present throughout the temperature range. We suggest that these results indicate that SPS materials formed in this way are three-phase systems, with an amorphous phase, a crystalline phase, and a grain boundary phase.

Original languageEnglish
Pages (from-to)1480-1484
Number of pages5
JournalPolymer Engineering and Science
Issue number9
StatePublished - 1997


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