Question 4. Methylvinyl ketone (MVK) can undergo a polymerization reaction in the presence of AIBN initiator to produce a poly(methylvinyl ketone) polymer according to the scheme below. NEC H3C CH3 N=N₁₂ CH3 CH3 CEN azobisisobutyronitrile (AIBN) heat CH3 methylvinyl ketone (MVK) H₁C. CH3 NEC- n poly(methylvinyl ketone) a) Provide the mechanism for heat-induced decomposition of the AIBN initiator to produce a reactive radical species. heat CH3 NECNN CEN H3C CH3 CH3 19 01010 b) Provide a mechanism for the initiation step in the MVK polymerization reaction: 10 c) Show the mechanism for the propagation step to form an MVK oligomer with n = 3:

Question 4. Methylvinyl ketone (MVK) can undergo a polymerization reaction in the presence of AIBN initiator to produce a poly(methylvinyl ketone) polymer according to the scheme below. NEC H3C CH3 N=N₁₂ CH3 CH3 CEN azobisisobutyronitrile (AIBN) heat CH3 methylvinyl ketone (MVK) H₁C. CH3 NEC- n poly(methylvinyl ketone) a) Provide the mechanism for heat-induced decomposition of the AIBN initiator to produce a reactive radical species. heat CH3 NECNN CEN H3C CH3 CH3 19 01010 b) Provide a mechanism for the initiation step in the MVK polymerization reaction: 10 c) Show the mechanism for the propagation step to form an MVK oligomer with n = 3:

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question 4. Methylvinyl ketone (MVK) can undergo a polymerization reaction in the presence of AIBN initiator to produce a poly(methylvinyl ketone) polymer according to the scheme below. NEC H3C CH3 N=N CH3 CEN CH3 azobisisobutyronitrile (AIBN) CH3 methylvinyl ketone (MVK) heat H3C CH3 NEC X n poly(methylvinyl ketone) a) Provide the mechanism for heat-induced decomposition of the AIBN initiator to produce a reactive radical species. H3C CH3 N. NCEN CH3 CH3 heat b) Provide a mechanism for the initiation step in the MVK polymerization reaction: c) Show the mechanism for the propagation step to form an MVK oligomer with n = 3:
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