Fall 2003 EXAM 1 - POLYMER PROCESSING - FALL 2003 EMA 4666C...

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POLYMER PROCESSING - FALL 2003 NAME: PUT ON LAST PAGE and SIGN HONOR CODE EMA 4666C - EXAM I STUDENT #:______________________ INSTRUCTIONS: Read the entire exam carefully . Answer every question to the best of your ability, based upon the available information. State all assumptions in answers. (26 questions Total) SECTION I: Polymer Structures/Properties. 1. Draw the structural repeat units for the following polymers. 2. Indicate the type of polymerization process used to synthesize each of the structures, i.e.  condensation, addition, ring opening. 3. State the relative Tg and/or Tm for each polymer.  If a Tm is not expected indicate by NA.  (24pts) Polymer Structural Repeat Unit Process Tg Tm 1. poly(vinyl-n-butyl ether) 2. poly(vinyl-t-butyl ether) 3. poly(hexamethylene adipamide) (Nylon 6,6) 4. poly(styrene) 5. poly(ethylene) 6. poly(Bisphenol A carbonate)
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Student Number:___________________________ Concepts. Answer the following statements with  TRUE  or  FALSE .  If the statement is  false, state the reason(s).    If you believe   a statement can be made TRUE by a simple  qualifier, then state it clearly. (12 pts) 7 . The glass transition temperature is a pseudo second order thermodynamic transition that  correlates to a discontinuity in the change specific volume as a function of temperature. 8 . The  chain  configuration  is determined  by the spatial  arrangement of side groups or  dissimilar atoms around the backbond atoms of the repeat units. 9
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Fall 2003 EXAM 1 - POLYMER PROCESSING - FALL 2003 EMA 4666C...

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