1. Mention and illustrate 7 types of copolymers. 2. Draw the structure of the idealized modulus-temperature...
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1. Mention and illustrate 7 types of copolymers. 2. Draw the structure of the idealized modulus-temperature for thermoplastic and thermosets curve and mention all the transitions. [3] 3. Differentiate between the initiation, propagation and termination steps of a chain reaction polymerization. [2] 4. Show a laboratory preparation of polycarbonate and propose a mechanism. [2] 5. Why for Kevlar the Cis Conformation is impossible. Draw the structure, illustrate and explain [3] 1. Mention and illustrate 7 types of copolymers. 2. Draw the structure of the idealized modulus-temperature for thermoplastic and thermosets curve and mention all the transitions. [3] 3. Differentiate between the initiation, propagation and termination steps of a chain reaction polymerization. [2] 4. Show a laboratory preparation of polycarbonate and propose a mechanism. [2] 5. Why for Kevlar the Cis Conformation is impossible. Draw the structure, illustrate and explain [3]
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