3. OF the following polymers list explain why they would or would not be suitabl

Question

3. OF the following polymers list explain why they would or would not be suitable for fabrication of a cup to hold hot coffee and explain why: HDPE, polypropylene, PVC, PETE and polycarbonate. Use actual property data to support your selections.
3. OF the following polymers list explain why they would or would not be suitable for fabrication of a cup to hold hot coffee and explain why: HDPE, polypropylene, PVC, PETE and polycarbonate. Use actual property data to support your selections.
3. OF the following polymers list explain why they would or would not be suitable for fabrication of a cup to hold hot coffee and explain why: HDPE, polypropylene, PVC, PETE and polycarbonate. Use actual property data to support your selections. 3. OF the following polymers list explain why they would or would not be suitable for fabrication of a cup to hold hot coffee and explain why: HDPE, polypropylene, PVC, PETE and polycarbonate. Use actual property data to support your selections.

Explanation / Answer

At its glass transition temperature, an amorphous polymer begins to soften. The
maximum temperature of hot coffee is probably slightly below 100°C (212°F). Of the polymers listed,
only polycarbonate have glass transition temperatures of 100°C or above and
would be suitable for this application.

These are listed polymer having glass transition temperatures more than 100°C

Poly(methyl methacrylate) (PMMA atactic) 105[20] Plexiglas Acrylonitrile butadiene styrene (ABS) 105[21] Polytetrafluoroethylene (PTFE) 115[22] Teflon Poly(carbonate) (PC) 145[20] Lexan Polysulfone 185 Polynorbornene 215[20]

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