3. Consider the following polymers (hint: draw their structures): Isotactic poly

Question

3. Consider the following polymers (hint: draw their structures): Isotactic polypropylene Atactic polystyrene Low density polyethylene High density polyethylene A "soft" polyurethane Nylon 6 Which of these polymers would be most suitable in the following applications. a. A cheap, transparent, stiff disposal cup for polymer science, college football tail- gates b. A thin, reasonably transparent film for wrapping your hoagies to take to the above mentioned tailgate. c. A strong, reasonably flexible, outer cover for the cushions d. A foamed elastomer as a filler for this seat cushion e. A very strong, flexible rope

Explanation / Answer

A. Polystyrene can be used for stiff disposal cups.

B. High density polyethylene or low density polyethylene is suitable for use for carrying. HDPE has more tensile strength and should be used for carrying heavier weights.

C. Polypropylene is suited for cushion covers.

D. Polyurethane or polystyrene is suited for use as a filler for cushions.

E. Nylon should be used for making strong and flexible rope.

Related Questions

Navigate

• Browse (All)
• Browse 3
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.