Determination of mechanical and surface properties of semicrystalline poss nanocomposites

Laura E. Moody, Darrell Marchant, Wade W. Grabow, Andre Y. Lee, Joseph M. Mabry

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    • 2 Citations

    Abstract

    Polyhedral Oligomeric Silsesquioxanes are three dimensionally precise silicon/oxygen nanoparticles. These nanoparticles can be tailored to maximize the interactions between the POSS compounds and the polymer by the modification of the organic groups surrounding the inorganic cage. This study examines the ability of POSS to improve the mechanical and surface properties of three semicrystalline polymers, fluorinated ethylene-propylene (FEP), poly(vinylidene fluoride) (PVDF) and isotactic polypropylene (PP). The POSS materials used included methyl8T8 and two FluoroPOSS compounds, fluorodecyl8T8, fluorooctyl8T8. The FluoroPOSS compounds have been shown to exhibit remarkable surface characteristics, which have been observed in water contact angle measurements. In a comparative study, five and ten weight percent of methyl8T 8 was melt blended into PVDF, FEP and PP and the same weight percent loadings of fluorodecyl8T8 and fluorooctyl 8T8 were investigated in PVDF and FEP. The addition of methyl8T8 was found to increase the modulus of FEP and PP, while the incorporation of all three POSS compounds decreased the modulus of PVDF. In addition, the methyl8T8 in PP increased the tensile strength, Izod impact strength and heat deflection temperature. The injection molded FEP blend samples showed indirect evidence of surface migration, as demonstrated in the core/shell morphology observed in pulled tensile bars and disks for surface analysis. The incorporation of FluoroPOSS into FEP and PVDF drastically increased the hydrophobicity and oleophobicity of those materials.

    Original languageEnglish (US)
    Title of host publicationInternational SAMPE Technical Conference
    Volume2005
    StatePublished - 2005
    EventSAMPE Fall Technical Conference - 37th ISTC - Seattle, WA, United States

    Other

    OtherSAMPE Fall Technical Conference - 37th ISTC
    CountryUnited States
    CitySeattle, WA
    Period10/31/0511/3/05

    Profile

    Propylene
    Ethylene
    Polypropylenes
    Surface properties
    Nanoparticles
    Mechanical properties
    Polymers
    Edema Disease of Swine
    Cyanophora
    Abdominal Muscles
    Traffic Accidents
    Myosins
    Surface analysis
    Impact strength
    Hydrophobicity
    Angle measurement
    Contact angle
    Nanocomposites
    Tensile strength
    Silicon

    ASJC Scopus subject areas

    • Building and Construction
    • Chemical Engineering(all)
    • Polymers and Plastics
    • Chemical Engineering (miscellaneous)

    Cite this

    Moody, L. E., Marchant, D., Grabow, W. W., Lee, A. Y., & Mabry, J. M. (2005). Determination of mechanical and surface properties of semicrystalline poss nanocomposites. In International SAMPE Technical Conference (Vol. 2005)

    Determination of mechanical and surface properties of semicrystalline poss nanocomposites. / Moody, Laura E.; Marchant, Darrell; Grabow, Wade W.; Lee, Andre Y.; Mabry, Joseph M.

    International SAMPE Technical Conference. Vol. 2005 2005.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Moody, LE, Marchant, D, Grabow, WW, Lee, AY & Mabry, JM 2005, Determination of mechanical and surface properties of semicrystalline poss nanocomposites. in International SAMPE Technical Conference. vol. 2005, SAMPE Fall Technical Conference - 37th ISTC, Seattle, WA, United States, 31-3 November.
    Moody LE, Marchant D, Grabow WW, Lee AY, Mabry JM. Determination of mechanical and surface properties of semicrystalline poss nanocomposites. In International SAMPE Technical Conference. Vol. 2005. 2005.

    Moody, Laura E.; Marchant, Darrell; Grabow, Wade W.; Lee, Andre Y.; Mabry, Joseph M. / Determination of mechanical and surface properties of semicrystalline poss nanocomposites.

    International SAMPE Technical Conference. Vol. 2005 2005.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

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