solution3 - Materials 101 Introduction to Structure and...

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Materials 101 Introduction to Structure and Properties Winter 2010 Problem Set 3 Due 8:00am, Tuesday, February 2 Problem 1 Polymers Compute repeat unit (mer) molecular weights for the following: a) polytetrafluoroethylene (PTFE or Teflon), b) poly(methyl methacrylate) (PMMA), c) nylon 6,6 , and d) poly(ethylene terephthalate. Solution to Problem 1 :
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Materials 101 Introduction to Structure and Properties Winter 2010 Problem 2 Polymers Sketch portions of a linear polypropylene molecule that are a) syndiotactic, b) atactic and c) isotactic. Do this in two-dimensions in the manner suggested in Callister, Chap. 14. Solution to Problem 2:
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Materials 101 Introduction to Structure and Properties Winter 2010 Problem 3 Polymers High-density polyethylene may be chlorinated by inducing the random substitution of chlorine atoms for hydrogen. a) Determine the final concentration of Cl (in wt %) if this substitution occurs for 8% of all the original hydrogen atoms. b) In what ways does this chlorinated
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solution3 - Materials 101 Introduction to Structure and...

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