4. Consider the free radical polymerization of methyl methacrylate (shown below) using AIBN as the initiator. (a) Show the repeat structure of the polymer derived from this monomer. methyl methacrylato (b) What structure will be on the initiated end of the polymer?

4. Consider the free radical polymerization of methyl methacrylate (shown below) using AIBN as the initiator. (a) Show the repeat structure of the polymer derived from this monomer. methyl methacrylato (b) What structure will be on the initiated end of the polymer?

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter29: Organic Polymer Chemistry

Section: Chapter Questions

Problem 29.28P

See similar textbooks

Related questions

Q: Write a mechanism for the polymerization of methyl vinyl ether initiated by 2-chloro-2-phenylpropane…

A: Given information, Starting material is methyl vinyl ether and its polymerisation reaction is…

Q: HN HN

A: We have to show ALL electron pushing arrows and label the nucleophile and electrophile where…

Q: Show the first three steps (as far as the tetramer) in the BF3@catalyzed polymerization of propylene…

A: The first three steps in the BF3-catalyzed polymerization of propylene to form polypropylene are…

Q: Which illustrates a random co-polymer? O a. O b. C.

A: There are four picture of copolymer . we have to find out the Random copolymer amoung them.

Q: Poly(vinyl alcohol), a hydrophilic polymer used in aqueous adhesives, is made by polymerizing vinyl…

A: Poly vinyl alcohol (PVA) cannot be prepared by direct polymerization of vinyl alcohol. Its synthesis…

Q: Kevlar®, a polymeric aromatic amide, is synthesized from the monomers p-phenylenediamine (left) and…

A: (a) Lewis acid is a compound that can accept or share the electron pair from another compound. Lewis…

Q: 1. List the following group of monomers in decreasing order of the ability to undergo cationic…

A: 1-The ability of monomers to undergo cationic polymerization is based upon the formation of the…

Q: Q2. Distinguish between the following three polymerization procedures in terms of the initiator and…

A: The correct option is :- (1) Radical polymerization.

Q: 1. Polyacetylene is one of the first 'conjugated' polymers that was prepared. In this case, the…

A: " Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Other than speeding up the rate of the reactions, what would be the effect of using twice as much…

A: Benzoyl peroxide is utilized as a revolutionary initator in the polymerization responses to intiate…

Q: Why does methyl methacrylate not undergo cationic polymerization?

A: In cationic polymerization the initiator is an electrophile that adds to the alkene monomer causing…

Q: A3 Anionic polymerization of styrene is generally known to produce polymers with a narrow molecular…

Q: 3.5 Define living polymerisation and mention benefits of living polymerisation over conventional…

A: As per the guidelines we are supposed to answer first question to solved remaining questions…

Q: Write a mechanism for the acid-catalyzed polymerization of 1,4- benzenediisocyanate and ethylene…

Q: Show by means of chemical equations the initiation, propagation, transfer and termination steps (if…

A: Since you have asked a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Polymerization reactions are important since they produce plastics. Show the first 3 units of the…

Q: The polymer shown can be formed by Fischer esterification. What monomer(s) would be used to make…

A: In the polymerization , the key step is the selection of appropriate monomer to get the desired…

Q: 2. Suppose that 20 g of benzoyl peroxide are introduced to 5 kg of propylene monomer. If 30% of the…

Q: What is the role of benzoyl peroxide in addition polymerisation of alkenes? Explain its mode of…

A: Benzoyl peroxide acts as initiator in polymerization of alkenes by giving chain reactions. The…

Q: Give a single benefit for each polymerisation from carrying them out under a nitrogen atmosphere?…

A: Introduction: The polydispersity index (PDI) is dependent on the two parameters, i.e (I) number…

Q: How much sodium does one need to prepare 1 kg of polystyrene of molecular weight 300,000 b anionic…

A: In anionic polymerizations a counterion is always there which is derived from Sodium Anionic…

Q: What are the fundamental differences between a good solvent and a theta solvent, and how do they…

A: Good solvent And theta Solvent differs in interaction in polymer chains

Q: 4. In the condensation polymerization of stoichiometric dicarboxylic acid and diol catalyzed by…

A: In this question, we have given condensation polymerization of stoichiometric dicarboxylic acid and…

Q: Explain the variables in the Carothers equation, and its physical meaning. How can this equation be…

A: Since you have posted a question with multiple questions, we will solve first question for you. To…

Q: Describe the polymerization of 2,2-dimethyloxirane by a cationic mechanism.

A: Given reaction, The polymerization of 2,2-dimethyloxirane by a cationic mechanism

Q: 9a. Give a complete reaction scheme for the polymerization of styrene with tert-butylhydroperoxide…

Q: The cationic polymerization of isobutylene (2-methylpropene) is shown in Section 8-16A. Isobutylene…

A: The mechanism for the free-radical polymerization of isobutylene is: Initiation step:

Q: b. Give equations to illustrate the reactions below: the polymerisation of ethene

A: Equation for the polymerization of ethene = ?

Q: 2) For the monomer given determine what type of polymerization (radical, anionic, cationic, and/or…

A: Cationic, anionic and radical polymerization is the polymerization in which initiators used are…

Q: 9a. Give a complete reaction scheme for the polymerization of styrene with tert-butylhydroperoxide…

Q: What will be the most suitable initiator used to polymerize the following monomers? Give ONE (1)…

Q: Describe the polymerization of 2,2-dimethyloxirane by an anionic mechanism.

A: (a) Anionic polymerization of 2,2-dimethyloxirane

Q: 17. a) Write chemical reaction to account for the following steps of polymerization. b) Provide name…

Q: >1,3-Cyclopentadiene undergoes thermal polymerization to yield a polymer that has no double bonds…

Q: State the Polymer Synthesis with Less Hazardous Reagents ?

A: Polymers are macromolecules formed by the repetitive addition of smaller molecules called monomers.…

Q: Methyl methacrylate Benzoyl peroxide

A: A question about polymerization mechanism, which is to be accomplished.

Q: Q1. Calculate the number average degree of polymerization of equimolar mixture of adipic acid and…

A: Degree of polymerization (DP)= 1/ 1-P Where P is the extent of reaction

Q: Outline methods for production of vinyl polymers using bulk methods.

A: Bulk polymerization or mass polymerization is a facile and environmentally friendly method for…

Q: >Look at the structures of Vestenamer and Norsorex and show how they might be made by olefin…

Q: Explain the Mechanism - Forming Branched Polyethylene During RadicalPolymerization ?

A: A polymerization in which the polymers are formed by the successive addition of building blocks.…

Q: a. What alkene monomer is required to form this polymer? b. Give the stepwise mechanism for the…

Q: 1.- Why are carbon nanotubes and graphene currently considered as reinforcing additives for…

A: Since you have asked multiple questions, we will solve first question for you. If you want any…

Concept explainers

Types of Polymers on the basis of Method of Preparation

Question

4. Consider the free radical polymerization of methyl methacrylate (shown below) using
AIBN as the initiator.
(a) Show the repeat structure of the polymer derived from this
monomer.
methyl methacrylato
(b) What structure will be on the initiated end of the polymer?
(c) Relative to part (b), what will be the structure at the terminal end of the polymer?
Show all possibilities (there is more than one).

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: Part a

VIEW

Step 2: Part b

VIEW

Step 3: Part c

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 6 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Types of Polymers on the Basis of Method of Preparation

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Give a mechanism, showing chain branching during the free-radical polymerization of styrene. There are two types of aliphatic hydrogens in the polystyrene chain. Which type is more likely to be abstracted?
Give the initiation and propagation steps for the radical polymerization of methyl methacrylate using benzoyl peroxide as the initiator.
For the polymer below, suggest a total synthesis.
explain in detail the mechanism for the photoinduced step-growth polymerization of n-ethylcarbazole.
3.- Explain the variables in the Carothers equation, and its physical meaning. How can this equation be used to control a step polymerization and its molecular weight? 4.- Explain why an acid catalyzed polyesterification proceeds at a faster rate than a non-catalyzed polyesterification. Use: a) mechanism of the reaction from a synthetic perspective, and b) Carothers equation to start your discussion, followed by any other equation that explains it from a kinetic standpoint.
synthesize Nylon 14 from appropriate monomers and give the mechanism of formation
Why do you think initiator molecule is needed to induce the polymerization of ethylene
Radical polymerization of styrene gives a linear polymer. Radical polymerization of a mixture of styrene and 1,4-divinylbenzene gives a cross-linked network polymer of the type shown in Figure 29.1. Show by drawing structural formulas how incorporation of a few percent of 1,4-divinylbenzene in the polymerization mixture gives a cross-linked polymer.
1.- Why are carbon nanotubes and graphene currently considered as reinforcing additives for polymers? What effect do they have on the polymer? What is the mechanism by which they can enhance the Young’s modulus and tensile strength of a polymer? 2.- Kapton is the trade name of a polyimide a) How would you synthesize this polymer? b) During the first stage of the reaction, poly(amic acid) is formed. If you need to follow this stage of the polymerization, what spectroscopic techniques would you use and what groups should you focus on? c) How would you form Kapton films, which can be used as support for solar sails? d) What are the disadvantages of Kapton that have limited their use? Why does this polymer present this weakness?
Provide the mechanism of the redica reaction below (b)
1. Write down all the steps of the reaction of 2-Methyl-2-hexene with sulfuric acid and name the product formed. Will provide helpful ratings for correct solution.
A sample of polystyrene is composed of a series of fractions of different sized molecules. a)Calculate the number average and weight average molecular weights of this sample as well as the PDI. Comment on the PDI – is it polydispersed? b)How would adding styrene oligomer change the average molecular weights? Added amount is 5 wt. % of polymer mass and M = 1,000 g/mol. c)What would be the potential polymerisation pathways you may follow to polymerise this polymer d)What would happen if you fractionate the polymer to remove all fractions above 20,000 Da and 50% of any fraction above 15,000 Da? Recalculate the Mn, Mw, and PDI for this new system. e)What type of polymeric materials does this distribution of Mw for the new system corresponds to? Would it be likely solid or liquid at room temperature and atmospheric pressure?