LEADER 06454nam 2200637Ia 450 001 9910958120003321 005 20251116221038.0 010 $a1-61761-800-4 035 $a(CKB)2560000000067977 035 $a(EBL)3017927 035 $a(SSID)ssj0000412493 035 $a(PQKBManifestationID)12191620 035 $a(PQKBTitleCode)TC0000412493 035 $a(PQKBWorkID)10366228 035 $a(PQKB)11015850 035 $a(MiAaPQ)EBC3017927 035 $a(Au-PeEL)EBL3017927 035 $a(CaPaEBR)ebr10654898 035 $a(OCoLC)923654365 035 $a(BIP)27409161 035 $a(EXLCZ)992560000000067977 100 $a20101018d2010 uy 0 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 00$aBarrier properties of polymer clay nanocomposites /$fVikas Mittal, editor 205 $a1st ed. 210 $aNew York $cNova Science Publishers$dc2010 215 $a1 online resource (283 p.) 225 0$aNanotechnology science and technology series 300 $aDescription based upon print version of record. 311 08$a1-60876-021-9 320 $aIncludes bibliographical references and index. 327 $a""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"" 327 $a""2.1. INTRODUCTION""""2.2. CONVENTIONAL NANOCOMPOSITES AND NEED OF NEW SYSTEMS""; ""2.3. GRAFTING a???TOa??? THE SURFACE APPROACH""; ""2.4. GRAFTING a???FROMa??? THE SURFACE APPROACH""; ""2.5. GRAFTING USING CONTROLLED LIVINGPOLYMERIZATION APPROACH""; ""2.6. POLYOLEFINS GRAFTING a???FROMa??? 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"" 327 $a""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"" 327 $a""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"" 327 $a""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"" 327 $a""5.3. ROLE OF OPTIMUM CLAY MODIFICATION"" 330 $aPolymer nanocomposites are organic-inorganic hybrids where the high aspect ratio inorganic filler can be delaminated in the organic matrix at the nanometer scale, thus leading to significant enhancement of composite properties at very low filler volume fractions. With the advancement of polymer nanocomposites technology, significant enhancements in mechanical and thermal properties of the composites could be achieved. However, other important properties like gas barrier properties, which form an absolutely necessary requirement for the use of materials in packaging and storage applications, were relatively neglected. By improving the barrier performance of the materials by incorporation of high aspect ratio nano platelets, one can expect to reduce the thickness of the commercial packaging laminates and other materials where thick material is required to be used to provide barrier to various gases. This can thus lead to significant amount of savings in the material costs and can make the polymer materials more light and also transparent as the nano scale dispersed filler would not scatter light. This book examines the factors affecting barrier properties enhancement in polar polymer matrices, which are different from case when non polar polymers are involved, thus indicating that the performance has to be quantised by case-by-case basis. The commonly used conventional models for prediction of permeation reduction are also less representative of the true microstructure of the nanocomposites. Thus the barrier performance of the polymer nanocomposite materials is also explored, separate from the more bulk based mechanical properties. 410 0$aNanotechnology Science and Technology 606 $aNanocomposites (Materials) 606 $aPolymer clay$xBarrier properties 615 0$aNanocomposites (Materials) 615 0$aPolymer clay$xBarrier properties. 676 $a620.1/923 701 $aMittal$b Vikas$0859118 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910958120003321 996 $aBarrier properties of polymer clay nanocomposites$94471879 997 $aUNINA