Abstract
High pressure crystallised poly (p-phenylene sulfide) (PPS) samples were investigated with wide angle X-ray diffraction (WAXD), differential scanning calorimetry (DSC) and scanning electron microscopy (SEM). The striation appearance, which is the most common feature of polymer extended chain crystals, was clearly observed. Poly (p-phenylene sulfide) extended chain crystals with a C-axis thickness around 10 μm were formed at high pressure. The DSC results showed that the melting temperature of high pressure crystallised PPS samples was up to 332·3°C, which was higher than the values of ideal PPS perfect crystals used by some researchers. Other morphologies formed at high pressure, including crystalbars and regular polygonal crystals of different characteristics, were also presented with the SEM measurements. The obtained PPS extended chain crystals may be used in the re-evaluation of certain parameters crucial to the processing of PPS products such as the equilibrium melting point and melting enthalpy of ideal crystal.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
