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Crystallizable and non-crystallizable polymers |
Which polymers can crystallize and which can not? |
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2. |
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Polymer conformation |
Conformation of polymer chains – why helices? why coils? |
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3. |
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Helices and crystal structure |
Polymer crystal structure – the atomic scale |
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4. |
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Synthetic and biopolymers |
Comparison between synthetic and biopolymers |
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5. |
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Synthetic and biopolymers |
Comparison between synthetic and biopolymers |
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Folded-chain crystals |
Polymer crystals and chain folding – the nanoscale |
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7. |
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Crystallinity in polymers |
Crystallinity in polymers – basics of wide and small-angle X-ray scattering |
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8. |
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Crystallinity and its determination |
Crystallinity in polymers – basics of wide and small-angle X-ray scattering |
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Spherulites and "shish-kebabs" |
Spherulites and cylindrites – the microscale; basics of birefringence and polarized light microscopy |
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10. |
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Polymer deformation and fiber production |
Deformation of semicrystalline polymers – microfibrils, yielding, crazing; Synthetic fibers |
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Flexible high-modulus polymers |
Routes to high modulus and strength in flexible polymers: ultradrawing, solid-state extrusion, gel-spinning; the story of Spectra |
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Rigid-rod polymers |
Routes to high modulus and strength in rigid polymers: thermotropic and lyotropic liquid crystal polymers; the story of Vectra and Kevlar |
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Polymer blends |
Polymer blends: miscibility, bimodal and spinodal decomposition |
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Viscoelasticity and glass transition |
why it is difficult to catch “silly putty”? creep, stress-relaxation; dynamic mechanical spectroscopy |
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Revision, summary, discussion. |
Revision, summary, discussion. |
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16. |
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수업자료 (1) |
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수업자료 (2) |
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수업자료 (3) |
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수업자료 (4) |
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수업자료 (5) |
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수업자료 (6) |
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수업자료 (7) |
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수업자료 (8) |
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수업자료 (9) |
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수업자료 (10) |
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수업자료 (11) |
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수업자료 (12) |
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수업자료 (13) |
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수업자료 (14) |
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