Polymer Physics (From Suspensions to Nanocomposites and Beyond) || Physical Aging

✍ Scribed by Utracki, Leszek A.; Jamieson, Alexander M.

• Publisher: John Wiley & Sons, Inc.
• Year: 2010
• Tongue: English
• Weight: 777 KB
• Edition: 1
• Category: Article
• ISBN: 0470193425
• DOI: 10.1002/9780470600160.ch9

✦ Synopsis

9.1 Introduction to physical aging: principles and theoretical models 9.1.1 Thermodynamics of glass transition 9.1.2 Multiparameter phenomenological models 9.1.3 Predictive models for long-term aging 9.1.4 Molecular approaches 9.1.5 Other cooperative models 9.2 Experimental determination of physical aging 9.2.1 Dilatometry and volume relaxation 9.2.2 Calorimetry and enthalpy relaxation 9.2.3 Structural and microstructural aspects 9.2.4 Positron annihilation lifetime spectroscopy 9.2.5 Other spectroscopic techniques 9.2.6 Scattering techniques 9.2.7 Effect on mechanical properties 9.3 Comparison of volume and stress relaxation 9.4 Average segmental activation energies E a from enthalpic aging parameters for selected polymers 9.5 Homogeneous blends and copolymers 9.5.1 Hydrogen-bonded copolymers and blends 9.5.2 Copolymers 9.5.3 Effect of hydrogen-bond concentration in blends 9.5.4 Hydrogen-bonding enhancement due to inductive or acidic effects 9.6 Composites and nanocomposites 9.7 Summary and conclusions