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

  • 3 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.

LanguageEnglish (US)
Title of host publicationInternational SAMPE Technical Conference
Volume2005
StatePublished - 2005
EventSAMPE Fall Technical Conference - 37th ISTC - Seattle, WA, United States
Duration: Oct 31 2005Nov 3 2005

Other

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

Profile

Propylene
Surface properties
Nanocomposites
Ethylene
Polypropylenes
Polytetrafluoroethylene
Mechanical properties
Nanoparticles
Surface analysis
Silicon
Impact strength
Polymers
Hydrophobicity
Angle measurement
Contact angle
fluorinated ethylene propylene
Tensile strength
polyvinylidene fluoride
Oxygen
Water

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, 10/31/05.
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.
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