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ME 6768: Polymer Structure, Physical Properties and Characterization
Offered Every Spring
| Credit Hours: |
3-0-3 |
| Prerequisites: |
CHE, CHEM, ME, MSE, or PTFE 4776 or equivalent, or with the consent of the instructor |
| Catalog Description: |
Formulations and analysis of molecular and phenomenological models of elastic and viscoelastic behavior, development and description of structure, and fundamental aspects of structure-property relations. Crosslisted with CHE, MSE, and PTFE 6768. |
| Textbooks: |
None |
| Instructors: |
A.S. Abhiraman (ChE); Karl Jacob (PTFE) |
| Goals: |
- Learn phenomenological and molecular models of phase transitions in bulk polymers
- Learn molecular and phenomenological models of rubber elasticity and viscoelasticity
- Learn the foundations of structure-property relations in anisotropic bulk polymers
- Prepare students for research in the field of polymer process-structure-property relationships
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| Topics: |
- Structure and states
- A review of structure and physical states of polymers
- Conformations and spatial configurations: Principles and models
- Review of equilibrium and statistical thermodynamics; partition functions for polymer chains; freely orienting chain analogs for flexible polymer chains
- Rubber elasticity: Advanced Models
- 1-, 2-, and 3-D models of elastcity in isolated chains; single chain to network extensions; non-ideal rubbers
- Viscoelasticity
- linear viscoelasticity and superposition
- time-temperature superposition of modulus and viscosity functions
- experiments in viscoelasticity
- viscoelastic transitions and structure
- molecular origins of viscoelastic behavior of polymers
- nonlinear models
- Fundamental Aspects of Process-Morphology Relations
- thermodynamics of melting/crystallization
- kinetics and modes of crystal growth
- energetics of crystal nucleation phenomena
- process - morphology relations (phase separating transitions in solutions and bulk polymers; flow and orientation; crystallization in anisotropic polymers; stress field and crystallization; crystallization in copolymers and blends)
- Principles and techniques for analysis of anisotropy in polymers principles governing birefringence, sonic pulse propagation and infra-red dichroism
- Structure-mechanical property relations
- two- and three- phase models of polymer morphology and physical properties
- Viscosity and Diffusion in Polymers
- segmental jumps, viscosity and diffusion in polymers
- Special Topics
- students' research reports on current literature
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