Fluorinated Ionomersby Walther Grot
Pub. Date: 12/03/2007
Publisher: Elsevier Science
The author of this unique handbook on fluorinated ionomers is also the inventor of the first commercial product known as Nafion® (DuPont). The book covers partially fluorinated and perfluorinated polymers containing sufficient ionic groups to dominate the transport properties of the polymer. The emphasis of this book is on the practical aspects of working with… See more details below
The author of this unique handbook on fluorinated ionomers is also the inventor of the first commercial product known as Nafion® (DuPont). The book covers partially fluorinated and perfluorinated polymers containing sufficient ionic groups to dominate the transport properties of the polymer. The emphasis of this book is on the practical aspects of working with fluorinated ionomers. It is intended to help the scientist and engineer in the preparation, fabrication, use, and study of these products as well as in the development of new applications and compositions.
Extensive coverage has been given to perfluorinated ionomers because of the practical importance of this group of polymers. Commercial products such as Nafion®, Aciplex® (Asahi Chemical) and Flemion® (Asahi Glass) are fluorinated ionomers have been discussed in detail. Whether you need information about use of fluorinated ionomers in fuel cells, batteries, chlor-alkali cells, sensors, fabrication techniques, or commercial products you will find it in this valuable handbook.
Table of Contents
1Introduction 1.1Polymers 1.2Physical Shapes 1.3References 2History 2.1References 3Manufacture 3.1Introduction 3.2Perfluorinated Ionomers 3.3Polymerization 3.4Fabrication 3.5Hydrolysis and Acid Exchange 3.6Finishing and Testing 3.7Liquid Compositions 3.8Fluorinated Ionomers with Phosphonic or Sulfonyl Imide Functional Groups 3.9Partially Fluorinated Ionomers 3.10Composite Materials of Ionomers and Inorganic Oxides 3.11Composite Materials of Ionomers and a Porous Matrix 3.12Remanufactured Membranes 3.13References 4Properties 4.1Properties of the Precursor Polymers 4.2Properties of the Ionic Forms 4.3Morphology 4.4Transport Properties 4.5Optical Properties 4.6Thermal Properties 4.7Stability 4.8References 5Applications 5.1Electrolysis 5.2Sensors and Actuators 5.3Dialysis 5.4Gas and Vapor Diffusion 5.5Protective Clothing 5.6Catalysis 5.7References 6Fuel Cells and Batteries 6.1Introduction 6.2Operating Parameters 6.3Ionomer Stability 6.4Direct Methanol Fuel Cells (DMFCs) 6.5Manufacture of MEAs 6.6Rechargeable Flow Through Batteries 6.7References 6.8Further Reading 7Commercial Membrane Types 7.1Unreinforced Perfluorinated Sulfonic Acid Films 7.2Reinforced Perfluorinated Membranes 8Economic Aspects 8.1Chlor-Alkali Cells 8.2Fuel Cells 8.3References 9Experimental Methods 9.1Infrared Spectra 9.2Hydrolysis, Surface Hydrolysis and Staining 9.3Other Reactions of the Precursor Polymer 9.4Ion Exchange Equilibrium 9.5Determination of EW by Titration or Infrared Analysis 9.6Determining Melt Flow 9.7Distinguishing the Precursor Polymer from Various Ionic Forms 9.8Fenton’s Test for Oxidative Stability 9.9Examination of a Membrane 9.10Determining the Permselectivity 9.11Measuring Pervaporation Rates 9.12Simple Electrolytic Cells 9.13References 10Heat Sealing and Repair 10.1Reference 11Handling and Storage 11.1Handling the Film 11.2Pretreatment 11.3Installation 11.4Sealing and Gasketing 12Toxicology, Safety and Disposal 12.1Toxicology 12.2Safety 12.3Disposal 12.4References Appendix AA Chromic Acid Regeneration System Appendix BLaboratory Chlor-alkali Cell Appendix CSolution Cast Nafion Film Appendix DPlastic-Based Bipolar Plates Suppliers and Resources Glossary and Web Sites Index
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