Foaming with Supercritical Fluids, Volume Nine provides a comprehensive description of the use of supercritical fluids as blowing agents in polymer foaming. To this aim, the fundamental issues on which the proper design and control of this process are rooted are discussed in detail, with specific attention devoted to the theoretical and experimental aspects of sorption thermodynamics of a blowing agent within a polymer, the effect of the absorbed blowing agent on the thermal, interfacial and rheological properties of the expanding matter, and the phase separation of the gaseous phase, and of the related bubble nucleation and growth phenomena.
Several foaming technologies based on the use of supercritical blowing agents are then described, addressing the main issues in the light of the underlying chemical-physical phenomena.
1. 5.1 Introduction - p. 85 2. 5.2 Using EoS theories to model sorption equilibrium thermodynamics in rubbery and molten polymers - p. 70 3. 5.3 Modeling sorption thermodynamics in nonequilibrium glassy polymers - p. 93 4. 5.4 Experimental methods to investigate sorption thermodynamics - p. 103 5. 5.5 Examples of experimental results and their modeling for gas and vapor sorption in polymers - p. 116 6. 5.6 Conclusions - p. 155 7. References - p. 166 8. Chapter 6: Mass transport of low molecular weight compounds in polymers - p. 179 9. Abstract - p. 179 10. List of symbols - p. 179 11. 6.1 Introduction - p. 179 12. 6.2 Theories of mass transport in polymers - p. 180 13. 6.3 Experimental methods for the measurement of diffusivity - p. 210 14. 6.4 Conclusions - p. 217 15. References - p. 225 16. Chapter 7: Interfacial tension - p. 231 17. Chapter 8: Rheological properties - p. 263 18. Chapter 9: Thermal properties of polymer-penetrant mixtures - p. 285 19. Chapter 10: Bubble nucleation - p. 331 20. Chapter 11: Bubble growth - p. 353 21. Chapter 12: Continuous processing - p. 375 22. Chapter 13: Batch processing - p. 389 23. Chapter 14: Molding processes - p. 411 24. Chapter 15: Ongoing research and future research challenges - p. 433 25. Index - p. 459
Foaming with Supercritical Fluids, Volume Nine provides a comprehensive description of the use of supercritical fluids as blowing agents in polymer foaming. To this aim, the fundamental issues on which the proper design and control of this process are rooted are discussed in detail, with specific attention devoted to the theoretical and experimental aspects of sorption thermodynamics of a blowing agent within a polymer, the effect of the absorbed blowing agent on the thermal, interfacial and rheological properties of the expanding matter, and the phase separation of the gaseous phase, and of the related bubble nucleation and growth phenomena.
Several foaming technologies based on the use of supercritical blowing agents are then described, addressing the main issues in the light of the underlying chemical-physical phenomena.
1. 5.1 Introduction - p. 85 2. 5.2 Using EoS theories to model sorption equilibrium thermodynamics in rubbery and molten polymers - p. 70 3. 5.3 Modeling sorption thermodynamics in nonequilibrium glassy polymers - p. 93 4. 5.4 Experimental methods to investigate sorption thermodynamics - p. 103 5. 5.5 Examples of experimental results and their modeling for gas and vapor sorption in polymers - p. 116 6. 5.6 Conclusions - p. 155 7. References - p. 166 8. Chapter 6: Mass transport of low molecular weight compounds in polymers - p. 179 9. Abstract - p. 179 10. List of symbols - p. 179 11. 6.1 Introduction - p. 179 12. 6.2 Theories of mass transport in polymers - p. 180 13. 6.3 Experimental methods for the measurement of diffusivity - p. 210 14. 6.4 Conclusions - p. 217 15. References - p. 225 16. Chapter 7: Interfacial tension - p. 231 17. Chapter 8: Rheological properties - p. 263 18. Chapter 9: Thermal properties of polymer-penetrant mixtures - p. 285 19. Chapter 10: Bubble nucleation - p. 331 20. Chapter 11: Bubble growth - p. 353 21. Chapter 12: Continuous processing - p. 375 22. Chapter 13: Batch processing - p. 389 23. Chapter 14: Molding processes - p. 411 24. Chapter 15: Ongoing research and future research challenges - p. 433 25. Index - p. 459
