Organoclay/thermotropic liquid crystalline polymer nanocomposites. Part I: Effects of concentration on morphology, liquid crystallinity and thermal properties

Youhong Tang, Ping Gao, Lin Ye, Chengbi Zhao, Wei Lin

    Research output: Contribution to journalArticlepeer-review

    1 Citation (Scopus)

    Abstract

    Thermotropic liquid crystalline polymer (TLCP) nanocomposites with different organoclay contents were prepared by a method combining ultrasonication, centrifugation and solution casting methods. The effects of organoclay concentration on morphology, liquid crystallinity and thermal properties of nanocomposites were characterized. Molecular level interactions existed in nanocomposites. With a small amount of organoclay (nominal 3.0 wt %), it was enough to change TLCP properties with enhanced thermal stability though with a small negative effect on liquid crystallinity. When high concentration organoclay was added, thermal stability decreased and liquid crystallinity lost with shearinduced phase separation occurrence.

    Original languageEnglish
    Article number8
    Pages (from-to)84-95
    Number of pages12
    JournalE-Polymers
    Volume2013
    Issue number008
    DOIs
    Publication statusPublished - 22 Jan 2012

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