Castable Polyurethane Elastomers

Preface About the Author Symbols and Acronyms Introduction to Polyurethanes Introduction to Polyurethanes Background History Chemistry of Polyurethanes Introduction Raw Materials Prepolymers Urea and Urethane Reactions Chain Extension Degradation References Health and Safety Health and Safety Introduction Workplace Prepolymer Preparation Engineering Safety Data Sheet Format References Processing Prepolymer Production Prepolymers Laboratory Preparation Commercial Preparation One-Shot System Quasiprepolymers References Processing Fundamentals Introduction Introduction to Molding Process Health and Safety Concerns during Casting Mold Preparation Batch Size Adjustment Prepolymer Pigments and Additives Curatives Degassing Mixing and Casting Curing and Post Curing Processing Molding Methods Bonding Finishing Plasticized Polyurethanes Epoxy Polyurethane Blends Cellular Polyurethane Elastomers Polyurethane Processing Problems Introduction Observed Problems with Potential Causes General Problem Solving Mold Design Bond Failure Properties Properties Introduction Physical Properties Environmental Electrical Radiation Chemical Wear References Applications Introduction Major Type and Grade Selection Polyurethane's Role in the Materials Field Polyurethane Selection Criteria Design Summary Tools for Evaluation Introduction Verification of Selected Grade Quality Control Tests Type Tests Prototype and Service Tests Investigative Research References Appendices Abbreviations and Trade Names Polyurethane Curatives Mold Release Agents Calculations Molecular Weight Equivalent Weight Equivalent Weight of Blends of Polyols or Curatives Weight Calculations Acid Levels Isocyanate Calculation Chemical Structures Glossary Index