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Morphological development in PDMS/TEOS hybrid materials
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1996
Year
Materials ScienceColloidal MaterialEngineeringMicrofabricationNanomaterialsOrganic-inorganic Hybrid MaterialApplied PhysicsNanostructured PolymerMaterial PreparationPdms/teos Hybrid MaterialsSoft MatterMorphological FeaturesHybrid MaterialsFunctional MaterialsPolymer HybridSol-gel SynthesisTeos System
PDMS was used as an additive to TEOS based gels in order to improve macroscopic properties for applications such as thermal insulators. The morphological features developed in the PDMS/TEOS hybrid materials were studied by small-angle x-ray scattering and small-angle light scattering. The thermal properties of the material are controlled by nano-scale morphology. A main feature in the nano-scale is mass-fractal domains. As PDMS is incorporated into the TEOS system, a macroscopic network structure becomes dominant, and toughness is enhanced. A monolithic structure is observed macroscopically. The results indicate that PDMS can be used to develop micron morphologies for toughening these materials. © 1996 John Wiley & Sons, Inc.