Fall 97 EXAM1 - POLYMER PROCESSING FALL 1997 EMA 4666C EXAM...

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POLYMER PROCESSING - FALL 1997 NAME:___________________________ EMA 4666C - EXAM I STUDENT #:______________________ EMA 4666C - POLYMER PROCESSING EXAM I - FALL SEMESTER 1997 INSTRUCTIONS: Read the entire exam carefully. Answer every question to the best of your ability, based upon the available information. State all assumptions you use in answers. HONOR CODE : We, the members of the University of Florida community, pledge to hold ourselves and our peers to the highest standards of honesty and integrity. Signature:___________________________________________________________ SECTION I: Polymer Structures/Properties. Draw the repeat units for the following polymers. Indicate the type of polymerization process used to manufacture each of the structures. (20pts) 1. Poly(ethylene) 2. Poly(propylene) 3. Poly(bisphenol A carbonate) 4. Poly(methyl methacrylate) 1
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POLYMER PROCESSING - FALL 1997 NAME:___________________________ EMA 4666C - EXAM I STUDENT #:______________________ 5. 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. (10 pts) a. Long reaction times produce high yields in condensation polymerizations . _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ ___ b. The ratio of Tm to Tg is approximately 0.67 for most polymers. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ ___ c. The Mz average molar mass represents the viscosity average molar mass as measured by
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Fall 97 EXAM1 - POLYMER PROCESSING FALL 1997 EMA 4666C EXAM...

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