Question 1
Which of the given polymerization processes best describes the formation of polyurethanes?
◦ step growth addition
◦ chain growth addition
◦ step growth condensation
◦ chain growth condensation
◦ none of these
Question 2
Which of the given polymerization processes best describes the formation of polyisobutylene?
◦ step growth addition
◦ chain growth addition
◦ step growth condensation
◦ chain growth condensation
◦ none of these