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Synthesis and characterization of novel segmented polyurethanes containing polyhedral oligomeric silsesquioxanes (POSS) nanostructural molecules

  • Stony Brook University
  • DuPont
  • Air Force Research Laboratory

Research output: Contribution to journalConference articlepeer-review

19 Scopus citations

Abstract

A series of polyurethanes containing different percentages of polyhedral oligomeric silsesquioxanes (POSS) molecules was synthesized and investigated by means of gel permeation chromatography, differential scanning calorimetry and simultaneous wide angle X-ray diffraction (WAXD) and small angle X-ray scattering (SAXS) techniques. The DSC scans showed an increase of Tg in the soft segment with the increase in POSS, which suggests an increase in the miscibility between the soft and hard segments, leading to a more uniform polymer matrix with less microphase separation. This was further supported by SAXS results.

Original languageEnglish
Pages (from-to)587-588
Number of pages2
JournalAmerican Chemical Society, Polymer Preprints, Division of Polymer Chemistry
Volume41
Issue number1
StatePublished - Mar 2000
EventThe San Francisco Meeting - San Francisco, CA, USA
Duration: Mar 26 2000Mar 31 2000

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