Problem set 1
Answer the following questions.You may use internet, library, textbooks.You may even ask me questions (you may not get answers).
1) Please find out who: A) invented polyurethane. B) the company first sold it? C) names of three companies that manufacture (not distribute or resale) polyurethanes.

2) You need to find out five solvents poly(methyl methacrylate) will dissolve in and at least five solvents it will not dissolve in.

3) Identify the following as elastomer, thermoset or thermoplastic:
a) Polysulfone
b) Lycra
c) poly(butadiene)
d) poly(butylene terephthalate)
e) poly(vinyl alcohol)
f) Poly(vinylidene fluoride)
g) Nylon 6T
h) Kevlar
i) Melamine formaldehyde resin
k) syndiotactic polypropylene

4) Which ones of the above are semicrystalline?

5) Polyurethanes form by what polymerization mechanism?

6) How many publications did C.S. Marvel have?? How many were on polymers?

7) What class of biopolymers is related to Nylon?

8) You want to make a hard, glassy, insoluble, intractable coating as a security tag that will craze, crack and show damage if tampered with. What kind of polymer would you use and why?

9) You which to make a conveyer belt. Do you use thermoplastic, elastomer or thermoset? Why?

10) Briefly explain why polymers are not very soluble in solvents compared with small molecules with similar functional groups.

Problem set 1 Answer the following questions.You may use internet...