Interpretation:
The detailed mechanism that illustrates the initiation and addition of the first two monomers in the given
Concept introduction:
Polymerization reactions start with the generation of a reactive species from a monomer molecule. The reactive species may be a radical or a carbocation. This reactive species then adds to another molecule of the monomer to form a dimer. At the same time, a radical or a carbocation is generated on the added molecule, which can continue the addition reaction.
In the case of acid-catalyzed
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ORGANIC CHEMISTRY E-BOOK W/SMARTWORK5
- Olefin polymerization is responsible for producing over 100 million tons per year of plastic material. (a) Briefly describe the type of catalysts used in the transition metal catalysed homogeneous polymerization reactions. (b) How are the catalysts activated? (c) Draw the active catalyst, and indicate how the polymer chain is propagated. (d) Suggest a possible chain termination step. (e) Certain single-site catalysts are capable of selectively forming different types of polypropylene. Describe these different types of polymer, and the characteristics of the catalysts that form them.arrow_forwardWhen the polytetrafluoroethylene polymer is exposed to high temperature for a long time,Write the root cause of the phenomenon of depolymerizationarrow_forwardDiscuss and Briefly explain each of the polymers include the structure. Indicate either the polymer is produced by condensation or addition polymerization. - Poly (Vinyl Acetate) - Poly (Vinylidene Chloride)arrow_forward
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