Schlagwort(e):
Silicon compounds.
;
Composite materials.
;
Nanoparticles.
;
Electronic books.
Beschreibung / Inhaltsverzeichnis:
Focusing on the best-selling nanomaterials on the market today, this volume describes the advantages of POSS as a major building block in nanotechnology. Cutting-edge industrial applications are presented, applicable to areas including plastics, fuel, cells, sensors, catalysis, and more.
Materialart:
Online-Ressource
Seiten:
1 online resource (439 pages)
Ausgabe:
1st ed.
ISBN:
9789048137879
Serie:
Advances in Silicon Science Series ; v.3
URL:
https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=666972
Sprache:
Englisch
Anmerkung:
Intro -- Foreword: The Re-Birth of Polyhedral Oligosilsesquioxane Chemistry -- Preface -- Biographical Note -- Contents -- Contributors -- Chapter 1 Polyhedral Oligomeric Silsesquioxanes: From Early and Strategic Development through to Materials Application -- 1.1 Introduction -- 1.2 Early Synthesis of Polyhedral Oligosilsesquioxanes (POS) -- 1.3 Hydrolysis and Condensation in Making Oligosilsesquioxanes -- 1.4 Synthesis of Hydridooctasilsesquioxane, H8Si8O12 (T8H8) and Octakis-(Hydridodimethylsiloxy)Octasilsesquioxane, [H(CH3)2SiO]8Si8O12 (Q8M8H8) -- 1.5 Hydrosilylation -- 1.6 Octa-Functionalized POS Macromonomers -- 1.6.1 Macromonomers Derived by the Hydrosilylation of Octahydridosilsesquioxane (H8Si8O12 -- T8 H ) -- 1.6.2 Macromonomers Derived by the Hydrosilylation of Octa(Hydridodimethylsiloxy) Octasilsesquioxane [(HSiMe2O)8Si8O12 -- (Q8M8H8)] -- 1.7 Organic-Inorganic Hybrid Materials Prepared from POS: Octasilsesquioxanecontaining Polymers -- 1.7.1 Hybrid Organic-Inorganic Crosslinked Materials Containing POS -- 1.7.2 Star-Shaped Hybrid Organic-Inorganic Materials Containing POS as a Macroinitiator -- 1.8 Mono-Substituted Polyhedral Oligomeric Silsesquioxane Macromonomers -- 1.8.1 Synthesis of Mono-Substituted Silsesquioxanes by Hydrolysis of Trifunctional Silanes -- 1.8.2 Synthesis of Mono-Substituted Silsesquioxanes by Hydrosilylation -- 1.8.3 Synthesis of Mono-Substituted Silsesquioxanes by Corner-Capping Reactions -- 1.9 Chemistry of Incompletely Condensed Silsesquioxanes -- 1.9.1 Synthesis of Incompletely Condensed Silsesquioxanes -- 1.9.2 Chemistry of Incompletely Condensed Silsesquioxanes -- 1.9.3 Hybrid Organic-Inorganic Materials Derived from Mono-Substituted POS Monomers -- 1.10 Summary -- 1.11 References -- Chapter 2 Preparation and Characterization of Polyhedral Oligosilsesquioxanes -- 2.1 General Comments.
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2.2 Synthe sis of TnRn Compounds where R = H, Alkyl or Alkenyl -- 2.2.1 Hydrolysis -- 2.2.1.1 T4 and T6 Compounds -- 2.2.1.2 T8 Compounds -- 2.2.1.3 T10, T12 and Larger Compounds -- 2.2.2 Substitution -- 2.2.3 Cage Rearrangement -- 2.2.4 Modification of R -- 2.2.4.1 T8 Compounds -- 2.2.4.2 T10 and T12 Compounds -- 2.2.5 Other Synthetic Methods -- 2.2.5.1 T6 Compounds -- 2.2.5.2 T8 Compounds -- 2.2.5.3 T10 and T12 Compounds -- 2.3 Synthesis of TnRn Compounds where R = Aryl -- 2.3.1 Hydrolysis -- 2.3.1.1 T8 Compounds -- 2.3.1.2 T10 and T12 Compounds -- 2.3.2 Modification of R -- 2.3.2.1 T8 Compounds -- 2.3.2.2 T10 and T12 Compounds -- 2.3.3 Other Synthetic Methods -- 2.4 Synthesis of Tn Rn Compounds where R =Alkoxy -- 2.5 Synthesis of TnRn Compounds whereR = Siloxy -- 2.5.1 Corner Capping -- 2.5.2 Substitution -- 2.5.2.1 T8 Compounds -- 2.5.2.2 T10, T12, and T14 Compounds -- 2.5.3 Modification of R -- 2.5.3.1 T6 Compounds -- 2.5.3.2 T8 Compounds -- 2.5.3.3 T10 Compounds -- 2.6 Synthesis of TnRn Compounds where R = Metal Complex -- 2.6.1 Hydrolysis -- 2.6.2 Substitution -- 2.6.2.1 T8 Compounds -- 2.6.2.2 T10 Compounds -- 2.6.3 Modification of R -- 2.7 Synthesis of Miscellaneous TnRn Compounds -- 2.7.1 Hydrolysis -- 2.7.1.1 T6 Compounds -- 2.7.1.2 T8 Compounds -- 2.7.1.3 T10 Compounds -- 2.7.2 Co-Hydrolysis -- 2.7.3 Substitution and Modification of Functional Groups -- 2.7.4 Other Synthetic Methods -- 2.7.4.1 T4 Compounds -- 2.7.4.2 T8 Compounds -- 2.7.4.3 T10 Compounds -- 2.8 Synthesis of Endohedral T8R8 Compounds -- 2.9 Introduction to the Physical Properties of POS Compounds -- 2.10 NMR and EPR Spectroscopy of POS Compounds -- 2.10.1 Solution 29Si NMR Studies -- 2.10.2 Solid State NMR Studies -- 2.10.3 EPR Spectra -- 2.11 Vibrational Spectra of Polyhedral Oligomeric Silsesquioxane Compounds -- 2.12 Mass Spectra of POS Compounds.
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2.13 Electronic Spectra of POS Compounds -- 2.14 Structural Studies of POS Compounds -- 2.14.1 Single Crystal X-Ray Diffraction Studies -- 2.14.2 Structures Derived from Computational and Gas-Phase Electron Diffraction Studies -- 2.14.3 X-ray Diffraction Studies on Powders, Thin Films, etc. -- 2.14.3.1 T8R8 Compounds -- 2.14.3.2 T8R7R' Compounds -- 2.15 TGA, DSC and Related Studies of POS Compounds -- 2.15.1 T8R8 Compounds (R = H, Alkyl, Vinyl, Aryl or Silyl Derivatives) -- 2.15.2 T8R8 Compounds (R = Siloxy Derivatives) -- 2.15.3 T8R7R' Compounds -- 2.16 Microscopy Studies of T8 POS Compounds -- 2.16.1 T8R8 Compounds -- 2.16.2 T8R7R' Compounds -- 2.17 X-Ray Photoelectron Spectra of POS Compounds -- 2.18 Electrochemistry of POS Compounds -- 2.19 Chromatographic Methods Applied to POS Compounds -- 2.20 Miscellaneous Physical Properties of POS Compounds -- 2.21 Acknowledgments -- 2.22 References -- Chapter 3 Metallasilsesquioxanes: Molecular Analogues of Heterogeneous Catalysts -- 3.1 Introduction -- 3.2 Metallasilsesquioxanes -- 3.2.1 Group 4 - Ti, Zr, Hf -- 3.2.2 Group 5 - V -- 3.2.3 Group 6 - Mo -- 3.2.4 Group 8 - Fe -- 3.2.5 Group 12 - Zn -- 3.2.6 Group 13 - Al -- 3.2.7 Group 14 - Si -- 3.2.8 Lanthanides - Nd -- 3.2.9 Hetero-bimetallic Systems -- 3.3 Phosphasilsesquioxanes as Ligands -- 3.4 Catalytic Materials Derived From Metalla-Silsesquioxanes -- 3.5 Conclusions and Future Prospects -- 3.6 References -- Chapter 4 Polymers and Copolymers Containing Covalently Bonded Polyhedral Oligomeric Silsesquioxanes Moieties -- 4.1 Introduction -- 4.2 Synthetic Strategies -- 4.2.1 Free Radical Polymerization -- 4.2.2 Living Radical Polymerization (ATRP, RAFT and NMP) -- 4.2.3 Anionic Polymerization -- 4.2.4 Ring-Opening Metathesis Polymerization (ROMP) -- 4.2.5 Metallocene-Catalyzed Polymerization -- 4.2.6 Step-Growth Polymerization -- 4.2.7 Grafting.
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4.3 POS Pendant-Random Copolymers -- 4.3.1 Glass Transition Temperature -- 4.3.2 Mechanical Properties -- 4.3.3 Crystallinity in POS Pendant-Random Copolymers -- 4.4 POS Pendant-Block Copolymers -- 4.4.1 Diblocks -- 4.4.2 Triblocks -- 4.4.3 Hemitelechelic ('Tadpole'-Shaped) Polymers -- 4.4.4 Telechelic (Dumbbell-Shaped) Polymers -- 4.5 POS-Polyimide and POS-Urethanes -- 4.5.1 POS-Polyimide -- 4.5.2 POS-Urethane -- 4.6 Multifunctional POS in Network or Core Structures -- 4.6.1 Epoxy Networks -- 4.6.2 Other POS Networks -- 4.6.3 POS Star or Core Structures -- 4.7 Conclusion -- 4.8 References -- Chapter 5 Polyhedral Oligomeric Silsesquioxanes in Plastics -- 5.1 Introduction -- 5.2 POS are Molecules -- 5.3 POS as Plastics Additives -- 5.4 POS Solubility -- 5.5 Effects of POS on Polymer Properties -- 5.5.1 POS Solubilized in the Polymer -- 5.5.2 POS Insoluble Present at Concentrations Above the Solubility Limit -- 5.5.3 POS Chemically Attached to the Polymer -- 5.5.4 POS Network Thermosets -- 5.6 POS Dispersants -- 5.7 POS Metal Deactivators -- 5.8 New Applications and the Future -- 5.9 Conclusions -- 5.10 References -- Chapter 6 Fluorinated Polyhedral Oligosilsesquioxane Surfaces and Superhydrophobicity -- 6.1 Introduction -- 6.2 Experimental -- 6.2.1 Materials -- 6.2.2 Single Crystal X-Ray Structural Characterization -- 6.2.3 Fluorinated POS Coating and Composite Preparation -- 6.2.3.1 Spin Cast Fluorinated POS Coating -- 6.2.3.2 Fluorinated POS Solvent Blended Composites with 6F-BP PFCB Aryl Ether Polymer -- 6.2.3.3 Fluorinated POS Melt Blended PCTFE -- 6.2.4 Thermo-Mechanical Analysis -- 6.2.5 Microscopy -- 6.2.5.1 Atomic Force Microscopy (AFM) -- 6.2.5.2 Scanning Electron Microscopy (SEM) -- 6.2.6 Static and Dynamic Contact Angle -- 6.3 Results and Discussion -- 6.3.1 Fluorinated POS Synthesis -- 6.3.2 Fluorinated POS Properties.
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6.3.3 POS Fluoropolymers -- 6.3.3.1 Dispersion -- 6.3.3.2 Melt Processability -- 6.3.3.3 Thermo-Mechanical Analysis -- 6.3.3.4 Surface Properties -- 6.4 Conclusions -- 6.5 Acknowledgments -- 6.6 References -- Chapter 7 Polyhedral Oligomeric Silsesquioxanes in Electronics and Energy Applications -- Introduction -- 7.1 Polyhedral Oligomeric Silsesquioxanes in Liquid Crystal Systems -- 7.2 Polyhedral Oligomeric Silsesquioxanes in Electroluminescent (EL) Materials and Light Emitting Devices (LEDs) -- 7.2.1 Polyhedral Oligomeric Silsesquioxane End-capped EL Polymers -- 7.2.2 EL Polymers with Pendant Polyhedral Oligomeric Silsesquioxane Groups -- 7.2.3 EL Star Architectures with Polyhedral Oligomeric Silsesquioxane Cores -- 7.2.4 Polyhedral Oligomeric Silsesquioxane Iridium Complexes -- 7.2.5 Physical Blending of Polyhedral Oligomeric Silsesquioxanes into EL Polymers -- 7.3 Polyhedral Oligomeric Silsesquioxanes in Non-linear Optic (NLO), Optical Limiting (OL) and Laser Applications -- 7.4 Polyhedral Oligomeric Silsesquioxanes in Lithographic Applications -- 7.5 Polyhedral Oligomeric Silsesquioxanes in Sensor Systems -- 7.5.1 Fluorophore-Functionalized Polyhedral Oligomeric Silsesquioxanes as Sensors -- 7.5.2 Polyhedral Oligomeric Silsesquioxane Sensors for Gas and Vapor Detection -- 7.5.3 Polyhedral Oligomeric Silsesquioxanes in Conducting Composite and Electrochemical Sensors -- 7.6 Polyhedral Oligomeric Silsesquioxanes in Fuel Cell Applications -- 7.7 Polyhedral Oligomeric Silsesquioxanes in Battery Applications -- 7.8 Polyhedral Oligomeric Silsesquioxanes as Lubricants -- 7.9 References -- Chapter 8 Polyhedral Oligomeric Silsesquioxanes in Space Applications -- 8.1 The Space Environment -- 8.2 Resistance of Siloxane Copolymers to Atomic Oxygen in Low Earth Orbit -- 8.3 Polyhedral Oligomeric Silsesquioxanes in Space Solar Power Systems -- 8.4 Summary.
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8.5 References.
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