Question

(a) Propylene, H2C=CH-CH3, can be reacted to form a polymer known as polypropylene (PP). What type of polymerization reaction is most appropriate for the formation of polypropylene?

i)Addition Polymerization
ii)Anionic Polymerization
iii)Condensation Polymerization

(b) What is the degree of polymerization, n, of polypropylene with a molecular weight of 600,000 g/mole?

(c) Identify the tacticity of the segment of polypropylene shown below.
H CH3 (8 top)
H H (9 down)
i)atactic
ii)syndiotactic
iii)isotactic
iv)polytactic

Answer 1

a)Addition Polymerization
b)14286

Answer 2

c) iii)isotactic

Answer 3

a)Addition Polymerization
b)14286
c) iii) isotactic