Abstract
AbstractThe effects of molecular weight (MW) of isotactic polypropylene (iPP), the content of β‐PP, the size of its spherulites and the morphology of its α‐phase and β‐phase (α‐ and β‐PP) on the impact strength, with different contents of β‐nucleating agent, were investigated by two ways. The results show that the impact strength of iPPs increased initially, and then decreased with the content of β‐nucleating agent (maximum at 0.1 wt%). The impact strength was related to the size of β‐spherulites and had no apparent correlation with the content of β‐PP. The morphology of the bundle shape and intercrossing boundaries of β‐spherulites were dominant in improving impact strength with low content of β‐nucleating agent, while the MW of iPP was dominant with high content of β‐nucleating agent. Copyright © 2009 John Wiley & Sons, Ltd.
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.
