Pi in the sky : counting, thinking, and being / John D Barrow

• Record Nr.: UNIPARTHENOPE000023023
• Autore: Barrow, John D.
• Pubbl/distr/stampa: Oxford : Clarendon press, c1992
• Titolo uniforme: Pi in the sky
• ISBN: 0198539568
• Descrizione fisica: XII, 317 p. ; 23 cm
• Disciplina: 522
• Collocazione: S 522/8
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia

Barrier properties of polymer clay nanocomposites [[electronic resource] /] / Vikas Mittal, editor

• Record Nr.: UNINA9910465415203321
• Pubbl/distr/stampa: New York, : Nova Science Publishers, c2010
• ISBN: 1-61761-800-4
• Descrizione fisica: 1 online resource (283 p.)
• Collana: Nanotechnology science and technology series
• Altri autori (Persone): MittalVikas
• Disciplina: 620.1/923
• Soggetti: Nanocomposites (Materials); Polymer clay - Barrier properties; Electronic books.
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: ""BARRIER PROPERTIES OFPOLYMER CLAY NANOCOMPOSITES""; ""CONTENTS""; ""PREFACE""; ""BARRIER PROPERTIESOF COMPOSITE ; MATERIALS""; ""ABSTRACT""; ""1.1. INTRODUCTION""; ""1.2. THEORY OF PERMEATION""; ""1.3. PERMEATION THROUGH HETEROGENEOUS MEDIA""; ""1.3.1. Laminates""; ""1.3.2. Materials with Plate-Like Inclusions""; ""1.4. MODIFIED PERMEATION MODELS""; ""1.5. MEASUREMENT OF BARRIER PERFORMANCE""; ""1.6. TRANSPORT MECHANISM ANDDIFFERENT POLYMER SYSTEMS""; ""REFERENCES""; ""COMPATIBILIZATION OF INTERFACES INNANOCOMPOSITES: ROUTE TOWARDSBETTER BARRIER PROPERTIES""; ""ABSTRACT""; ""2.1. INTRODUCTION""""2.2. CONVENTIONAL NANOCOMPOSITES AND NEED OF NEW SYSTEMS""; ""2.3. GRAFTING â€?TOâ€? THE SURFACE APPROACH""; ""2.4. GRAFTING â€?FROMâ€? THE SURFACE APPROACH""; ""2.5. GRAFTING USING CONTROLLED LIVINGPOLYMERIZATION APPROACH""; ""2.6. POLYOLEFINS GRAFTING â€?FROMâ€? THE SURFACE""; ""REFERENCES""; ""BARRIER PROPERTIES OF POLYURETHANENANOCOMPOSITES AND THEIR RELATIONSHIP TOSHAPE MEMORY PROPERTIES""; ""ABSTRACT""; ""3.1. INTRODUCTION""; ""3.2. TRANSPORT PHENOMENA IN PRISTINE POLYMERS""; ""3.2.1. Early Developments""; ""3.2.2. Basic Relationships""; ""3.2.3. Nature of the Penetrant""""3.2.4. Nature of the Polymer""; ""3.2.4.1. Effect of Chemical Constituents and the Presence of Chemical Cross-links""; ""3.2.4.2. Effect of Crystallinity""; ""3.2.4.3. Effect of Chain Orientation""; ""3.3. TRANSPORT PHENOMENA IN MICROANDNANO-COMPOSITES""; ""3.4. CONTINUUM MODELING OF TRANSPORTPROPERTIES OF POLYMER COMPOSITES""; ""3.5. PERMEABILITY OF POLYURETHANES (PU) ANDPOLYURETHANEUREAS (PUU): STRUCTURE-PROPERTYRELATIONSHIPS""; ""3.5.1. Transport Mechanisms""; ""3.5.2. Effect of Soft Segment Type, Its Composition, and Molecular Weight""; ""3.5.3. Effect of Hard Segment Content and the Extent of Phase Separation""""3.5.4. Effect of Penetrant Type""; ""3.6. PERMEABILITY OF FILLED POLYURETHANES ANDPOLYURETHANEUREAS: MICRO- AND NANOCOMPOSITES""; ""3.7. IMPORTANCE OF TRANSPORT PHENOMENONIN SHAPE MEMORY POLYMERS""; ""3.7.1. Importance of Mass Transfer in SMP:Actuation by Water Absorption in Surgical Procedures""; ""3.7.2. Importance of Mass Transfer through SMP:Textile Fabrics and Refrigerators""; ""3.8. CONCLUSIONS""; ""3.9. ACKNOWLEDGEMENTS""; ""REFERENCES""; ""PERMEATION PROPERTIESOF EPOXY NANOCOMPOSITES""; ""ABSTRACT""; ""4.1. INTRODUCTION""""4.2. MODELING OF THE PERMEABILITY OF NANOCOMPOSITES""; ""4.3. PERMEABILITY OF EPOXY NANOCOMPOSITES""; ""4.3.1. Effect of Nanoplatelet Loading""; ""4.3.2. Effect of Nanoplatelet Dispersion""; ""4.3.3. Effect of Nanoplatelet Aspect Ratio""; ""4.3.4. Effect of Nanoplatelet Orientation""; ""4.3.5. Control of Nanocomposite Morphology""; ""4.4. CONCLUSIONS""; ""4.5. ACKNOWLEDGMENTS""; ""REFERENCES""; ""BARRIER PROPERTIESOF POLYOLEFIN NANOCOMPOSITES""; ""ABSTRACT""; ""5.1. INTRODUCTION""; ""5.2. BARRIER PROPERTIES OF POLYOLEFINNANOCOMPOSITES: EFFECT OF COMPATIBILIZER""; ""5.3. ROLE OF OPTIMUM CLAY MODIFICATION""