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Dissemination of IT for the Promotion of Materials Science
(DoITPoMS)
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DoITPoMS
Teaching & Learning Packages
The Glass Transition in Polymers
TLP contents
The Glass Transition in Polymers
Aims
Introduction
Theory 1
Theory 2 - kinetics vs thermodynamics
Measurement of
T
g
Demonstrations
Summary
Questions
Going further
TLP credits
TLP contents
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TLP contents
Main pages
Aims
Introduction
Theory 1
Theory 2 - kinetics vs thermodynamics
Measurement of
T
g
Demonstrations
Summary
Questions
Going further
Additional pages
Conformation
Free volume
Do Cathedral Glasses Flow?
Media resources
Chart showing values of Tg and Tm for various polymers
(image)
Diagram showing free volume
(image)
Ball bouncing at 25°C, well above
T
g
(video)
Ball bouncing at -50°C, just above
T
g
(video)
Ball bouncing at -70°C, close to
T
g
(video)
Ball bouncing at -190°C, well below
T
g
(video)
Rubbery bounce, well above
T
g
(video)
Bounce near
T
g
(video)
Glassy bounce, well below
T
g
(video)
Silly putty deforming under its own weight
(video)
Silly putty striking the ground
(video)
Silly putty being hit by a hammer
(video)