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Unformatted text preview: c. isotactic polypropylene or atactic polypropylene d. isotactic polypropylene or isotactic PVC e. PET heated to 270˚ C and then rapidly cooled to room temperature, or PET heated to 270˚ C, cooled to 150˚ C, held there for 30 minutes, then rapidly cooled to room temperature. 5. For each of the following indicate which has the higher Tg, or if they are the same, or if you cannot determine, and provide a brief (1-2 sentence) explanation why. a. HDPE or LDPE b. atactic polystyrene or atactic polypropylene c. isotactic polypropylene or atactic polypropylene d. isotactic polypropylene or isotactic PVC e. polystyrene with Mn of 100,000 g/mol or polystyrene with Mn of 200,000 g/mol 6. Explain why it is a mistake to name a compound 3-pentene. What would be the correct name of the compound?...
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This note was uploaded on 11/16/2011 for the course EMA 3066 taught by Professor Douglass during the Fall '10 term at University of Florida.
- Fall '10