Compatibilization of poly(vinylidene fluoride)/natural rubber blend by poly(methyl methacrylate) modified natural rubber

Subhan Salaeh, Thaksaporn Banda, Vibhavadi Pongdong, Sven Wießner, Amit Das, Anoma Thitithammawong

    Research output: Contribution to journalArticleScientificpeer-review

    9 Citations (Scopus)

    Abstract

    Natural rubber-grafted-poly(methyl methacrylate) (NR-g-PMMA) was successfully synthesized using emulsion polymerization technique. NR-g-PMMA with various PMMA levels was further blended with poly(vinylidene fluoride) (PVDF) at the fixed 50/50 wt% blend ratio, as simple blend or as dynamically cured blend. The compatibilization efficiency in the blend improved significantly with PMMA level. The morphological evaluation indicated that grafting PMMA onto NR reduced the domain size in the blend, resulting in improved mechanical and rheological properties. The enhanced properties were attributed to strong interactions between PVDF and NR-g-PMMA. Furthermore, the mechanical properties improved with PVDF content, consistent with the blend morphology. In addition, thermal analysis revealed low crystallinity in the blend, which corresponds to the molecular interactions of PVDF and grafted PMMA in NR-g-PMMA.
    Original languageEnglish
    Pages (from-to)132-142
    Number of pages11
    JournalEuropean Polymer Jounal
    Volume107
    DOIs
    Publication statusPublished - Oct 2018
    Publication typeA1 Journal article-refereed

    Keywords

    • Natural rubber
    • Poly(vinylidene fluoride)
    • Graft copolymer
    • Thermoplastic elastomer
    • Thermoplastic vulcanizate

    Publication forum classification

    • Publication forum level 2

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