Question

acylating agent and activated monomer in the anionic ring- 2. What are the roles of an haln opening polymerization of lactam? (10 points) 3. For the sequential anionic block copolymerizations of styrene and a -methyl styrene under the conditions given below, provide the: (a) Electron arrow-pushing mechanisms; [5 points (b) Intermediates; [5 points (c) Final products; [5 points -80 °C 30 min 80PC 30 min CH OH (d) Imagine that the temperature for the polymerization was misread as 80 °C. which products of the may seem like a minor oversight, what would be the final polymerization, (For styrene polymerization: AH=-73KJ/mol, AS -0.104 kJ/mol, AH -35kJ/mol, AS -0.104 kJ/mol)? For a -methyl styrene polymerization: (5points]

Answer 1

Achivated monome is cbtained by teating uith Aleny base HN Buli HN The activoted tactomali anin Ma vey strong Tudeophile and it lactam moleaule attacks the aroth HN + Rele aylating agent i to Interact with Poerdy eactave tadans opnod-e low tinetics au ond a-pipuidont and they activatte 4eM Auch as w-activated Obscwed ui Tnductim peiod and anionic polymiratin ladams acti'vabr and high tmperatue iequired in ab sence vout veaivt acm andeugoes pelymenadin in na-activoted meted T use C-Baty 3minate 3erintes Cou At c 280 353K 3S3 -13- (a)epen c-13 +36.712 = -36.09 k (A) 35 1 loy -3S +36-712 Su ()ctye v whiu (49)e Mey stuae da t at d cerdoin or enist nty at 8o c pymain i not d-meh shye