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Definitions Polymer Solubility and Thermo $100 $200 $300 $400 $500 Multi- component Materials Polymer Transitions Phase Continuity and Diagrams $400.

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Presentation on theme: "Definitions Polymer Solubility and Thermo $100 $200 $300 $400 $500 Multi- component Materials Polymer Transitions Phase Continuity and Diagrams $400."— Presentation transcript:

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3 Definitions Polymer Solubility and Thermo $100 $200 $300 $400 $500 Multi- component Materials Polymer Transitions Phase Continuity and Diagrams $400 $500

4 Final Jeopardy!!! Category: Fracture Behavior

5 Final Jeopardy A plot of compliance to this power versus crack length will result in a straight line for a double cantilever beam specimen. What is...

6 Final Jeopardy 1/3 power

7 Polymers that are covalently linked end to end. What are... Definitions For $100

8 Block co- Polymers Back to Game

9 A material having two or more distinct constituent materials or phases with properties that are noticeably different from the constituent properties What is... Definitions For $200

10 A composite material Back to Game

11 List three types of composites based on form of the reinforcement What are... Definitions For $300

12 Continuous Fiber Short fibers or whiskers Particulates Flakes Nanocomposites Back to Game

13 A technique that measures the difference in heat flow to a sample and to a reference sample as a direct function of time or temperature under heating cooling or isothermal conditions. What is... Definitions For $400

14 Differential Scanning Calorimetry Back to Game

15 In polymer blends, the shape and arrangement of the phases What is... Definitions For $500

16 Morphology Back to Game

17 This staining agent for TEM is often used to improve contrast between the polymer phases What is... Multicomponent Polymer Materials For $100

18 Osmium Tetroxide (OsO 4 ) Back to Game

19 This scattering technique is useful for studying domain sizes in block copolymers, blends, and nanocomposites from 5-100 nm What is... Multicomponent Polymer Materials For $200

20 Small-angle X- Ray Scattering Back to Game

21 The main assumption in the rule of mixtures for modulus and The main assumption in the inverse rule of mixtures What are... Multicomponent Polymer Materials For $300

22 For rule of mixtures: Iso-strain assumption (longitudinal load produces equal strain in both fiber and matrix) For inverse rule of mixtures: Iso-stress assumption (stress is the same in each component) Back to Game

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24 In the following Takayanagi Model, this is the volume fraction of phase A What is... Multicomponent Polymer Materials For $400

25 Back to Game Volume Fraction of Phase A =

26 This equation defines a reinforcement efficiency to obtain a better estimate than the inverse rule of mixtures. What is... Multicomponent Polymer Materials For $500

27 Halpin-Tsai Equation Back to Game

28 These are the two types of DSCs What are... Polymer Transitions For $100

29 Power compensated and Heat Flux Back to Game

30 Names of the five regions of viscoelastic behavior illustrated below What are... Polymer Transitions For $200

31 (1) Glassy state (2) Glass transition (3) Rubbery Plateau (4) Rubbery Flow (5) Liquid Flow Back to Game

32 Number of material constants to define elastic behavior for an isotropic material What is... Polymer Transitions For $300

33 2 Back to Game

34 If two polymers are mixed forming one phase, then one sharp glass transition will be observed at a temperature governed by this equation. What is... Polymer Transitions For $400

35 Fox’s Equation Back to Game

36 In dynamic mechanical analysis, tan δ, is defined by this ratio. What is... Polymer Transitions For $500

37 Back to Game Out of phase modulus (loss modulus) In phase modulus (storage modulus)

38 Some of the common morphologies in immiscible polymer blends and block copolymers. What are... Phase Continuity and Diagrams For $100

39 Spheres of Phase I in Phase II Cylinders of Phase I in Phase II Dual Phase Continuity Alternating Lamella Phase within a phase within a phase Back to Game

40 The relationship between viscosity and concentration for phase continuity? What is... Phase Continuity and Diagrams For $200

41 Decreasing viscosity and increasing concentration of phase 1 relative to phase 2 favors phase I being the continuous phase: Back to Game where if X>1, phase 1 is continuous X~1, dual phase continuity or phase inversion X<1, phase 2 is continuous

42 This type of phase behavior is most common for polymer blends What is... Phase Continuity and Diagrams For $300

43 Lower Critical Solution Temperature Back to Game

44 The microstructure of blends in this region of the phase diagram will evolve following nucleation and growth kinetics What is... Phase Continuity and Diagrams For $400

45 Area between spinodal and binodal curves Back to Game Spinodal (represents stability) Binodal (represents equilibrium) Blend will evolve following nucleation and growth kinetics Blend will evolve following spinodal decomposition kinetics.

46 What is... Phase Continuity and Diagrams For $500 Consider the phase diagram below. This is the relationship between V I, V II, x I, x II, x

47 Back to Game

48 Polymerization of monomer II in presence of monomer I What is... Polymer Solubility and Thermo For $100

49 Reaction Induced Phase Separation (RIPS) Back to Game

50 Represented by the circled terms in the Flory-Huggins Equation Below What is... Polymer Solubility and Thermo For $200

51 Entropy of Mixing ΔS m Back to Game

52 Given two polymers (and their solubility parameters), their molecular weights, their composition in a blend, and the temperature of mixing; these equations would be used to estimate miscibility. What are... Polymer Solubility and Thermo For $300

53 Back to Game Molar volume

54 This technique can be used to estimate the solubility parameter of a polymer based on the molecular formula of the polymer repeat unit What is... Polymer Solubility and Thermo For $400

55 Small’s Method Back to Game

56 In a block co-polymer system, this is the effect of varying composition What is... Polymer Solubility and Thermo For $500

57 Shape and packing of the microstructure (see below) Back to Game


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