Morphology of syndiotactic polystyrene as examined by small-angle X-ray scattering
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 intens...
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| Veröffentlicht in: | Polymer engineering and science 1997-09, Vol.37 (9), p.1480-1484 |
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| container_title | Polymer engineering and science |
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| creator | Barnes, John D. McKenna, Gregory B. Landes, Brian G. Bubeck, Robert A. Bank, David |
| description | 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. |
| doi_str_mv | 10.1002/pen.11796 |
| format | Article |
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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. 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| subjects | Analysis and structure Applied sciences Diffraction Electromagnetic waves Exact sciences and technology Polymer industry, paints, wood Polystyrene Properties and testing Scattering Technology of polymers X-rays |
| title | Morphology of syndiotactic polystyrene as examined by small-angle X-ray scattering |
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