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MatE 453 Jeopardy

MatE 453 Jeopardy. Polymer Synthesis & MW. Chemical Structure & FTIR. Polymer Crystallinity. Viscoelasticity & Rheology. Potpourri. $100. $100. $100. $100. $100. $200. $200. $200. $200. $200. $300. $300. $300. $300. $300. $400. $400. $400. $400. $400. $500. $500. $500.

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MatE 453 Jeopardy

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  1. MatE 453 Jeopardy

  2. Polymer Synthesis & MW Chemical Structure & FTIR Polymer Crystallinity Viscoelasticity & Rheology Potpourri $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500

  3. Final Jeopardy!!! Category: Time-temperature-superposition

  4. Final Jeopardy This equation can be used to determine the temperature shift factor in the range Tg<T<(Tg+100C) What is ….. (write out the equation)

  5. Final Jeopardy WLF Equation

  6. Polymer Synthesis & MW For $100 Two ways that polymers can be characterized based on their chemistry of synthesis. What are ...

  7. Condensation and Addition Back to Game

  8. Polymer Synthesis & MW For $200 Five different ways that average molecular weights can be measured What are ...

  9. End group analysis • Colligative property measurements (membrane osmometry) • Light scattering • Ultracentrafuge • Dilute-solution viscosity • Size-Exclusion Chromatography • MALDI-TOF mass spec. Back to Game

  10. Polymer Synthesis & MW For $300 For a given polydisperse polymer system, list number average MW, weight average MW, and viscosity average MW in order of increasing magnitude. What is ...

  11. Back to Game

  12. Polymer Synthesis & MW For $400 This is what MALDI-TOF mass spec stands for. What is ...

  13. MALDI-TOF mass spec: Matrix Assisted Laser Desorption/Ionization – Time of Flight Mass Spectroscopy Back to Game

  14. Polymer Synthesis & MW For $500 These are the three major stages that control addition polymerization What are ...

  15. Initiation Propagation Termination Back to Game

  16. Chemical Structure & FTIR For $100 Three common spectroscopic methods What is ...

  17. Infrared Spectroscopy (FTIR) Raman Spectroscopy Nuclear Magnetic Resonance (NMR) Spectroscopy Back to Game

  18. Chemical Structure & FTIR For $200 List three of the six“Types of Molecular Vibration” measured with FTIR and act them out. What are ...

  19. Bond Stretching Bond Bending In-plane rocking symmetric asymmetric In-plane scissoring Out-of-plane wagging Out-of-plane twisting • Bond Stretching • Symmetric • Asymmetric • Bond Bending • In-plane rocking • In-plane scissoring • Out-of-plane wagging • Out-of-plane twisting Back to Game

  20. Chemical Structure & FTIR For $300 What two functional groups combine to make a nylon linkage What are ...

  21. Amine Functional Groups Adipoyl chloride Cl Cl hexamethylenediamine di-acid and di-amine Back to Game

  22. Chemical Structure & FTIR For $400 In the FTIR lab, the polymer is cast onto this material because it is transparent to IR. What are ...

  23. KBr glass Back to Game

  24. Chemical Structure & FTIR For $500 Come to the board and draw the chemical structure for PS, PMMA, PEG, and LDPE (the four polymers analyzed in the FTIR lab). What is ...

  25. Back to Game

  26. Potpourri For $100 List three instruments that can be used to measure Tg, and what property changes with each What are...

  27. DSC – Step change in heat capacity at Tg DMA – Storage modulus drop or peak in tan delta and loss modulus TMA – Step change in CTE (or change in slope of Volume vs Temp) at Tg Back to Game

  28. Potpourri For $200 List three of the six factors that influence Tg What are ...

  29. Free Volume • Secondary Bonds between Molecules • Internal Mobility, freedom to rotate about bonds • Stiffness of the chains • Chain length (Mw) • Crosslinking Back to Game

  30. Potpourri For $300 The name of this famous equation: What is ...

  31. Bragg’s Law Back to Game

  32. Potpourri For $400 The phenomenon in many thermoplastics where small (microscopic) crack-like entities form in a direction perpendicular to the applied stress, giving an opaque or “white” appearance to the material. What is ...

  33. Craze band in polystyrene crazing Back to Game

  34. Potpourri For $500 These are the two different types of DSCs What are ...

  35. Power compensated • Heat flux Back to Game

  36. Polymer Crystallinity For $100 The observation (by x-ray measurements) that the polymer chains were aligned perpendicular to the large flat faces of the crystals led to this conclusion. What is ...

  37. The chain must fold back on itself Back to Game

  38. Polymer Crystallinity For $200 Crystallites often aggregate into these supermolecular structures What are ...

  39. Sphereulites Back to Game

  40. Polymer Crystallinity For $300 Normal spherulite growth in the bulk proceeds until this occurs. What is ...

  41. Impingement with another spherulite. Back to Game

  42. Polymer Crystallinity For $400 Name two artifacts in the POM image below. What are...

  43. Maltese cross and Ringed Pattern Back to Game

  44. Polymer Crystallinity For $500 The relationship between spherulite radius and time for isothermal crystalization. What is ...

  45. Linear Back to Game

  46. Viscoelasticity & Rheology For $100 The science of the deformation and flow of materials What is ...

  47. Rheology Back to Game

  48. Viscoelasticity & Rheology For $100 These fluids obey this law: What are ...

  49. Newtonian Fluids Back to Game

  50. Daily Double

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