Organic Chemistry - Standalone book
10th Edition
ISBN: 9780073511214
Author: Francis A Carey Dr., Robert M. Giuliano
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 28, Problem 24P
Styrene undergoes anionic
Suggest an explanation for this observation.
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Explain with more details, how you can prepare poly(ethylene oxide) by using Anionic and Cationic polymerisation
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Chapter 28 Solutions
Organic Chemistry - Standalone book
Ch. 28.2 - Prob. 1PCh. 28.3 - Prob. 2PCh. 28.3 - Prob. 3PCh. 28.4 - Prob. 4PCh. 28.7 - Problem 28.5 (a) Write a chemical equation for the...Ch. 28.7 - Prob. 6PCh. 28.8 - Prob. 7PCh. 28.9 - Problem 28.8 How will the average chain length of...Ch. 28.9 - Prob. 9PCh. 28.11 - Prob. 10P
Ch. 28.11 - Prob. 11PCh. 28.12 - Prob. 12PCh. 28.13 - Prob. 13PCh. 28.14 - Prob. 14PCh. 28 - Prob. 15PCh. 28 - Prob. 16PCh. 28 - Prob. 17PCh. 28 - Prob. 18PCh. 28 - Prob. 19PCh. 28 - Prob. 20PCh. 28 - Of the following monomers, which one would undergo...Ch. 28 - Prob. 22PCh. 28 - Polymerization of styrene can occur by a...Ch. 28 - Styrene undergoes anionic polymerization at a...Ch. 28 - Prob. 25PCh. 28 - Prob. 26PCh. 28 - Prob. 27PCh. 28 - Prob. 28PCh. 28 - Prob. 29PCh. 28 - Prob. 30PCh. 28 - Prob. 31PCh. 28 - Prob. 32DSPCh. 28 - Prob. 33DSPCh. 28 - Prob. 34DSPCh. 28 - Prob. 35DSPCh. 28 - Prob. 36DSPCh. 28 - Prob. 37DSPCh. 28 - Prob. 38DSP
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- Commercial polyisobutylene (PIB or butyl rubber) is synthesized via cationic polymerization. Explain why it cannot be made through free radical or anionic polymerizationarrow_forwardChain branching occurs in cationic polymerization much as it does in free-radical polymerization. Propose a mechanism to show how branching occurs in the cationic polymerization of styrene. Suggest why isobutylene might be a better monomer for cationic polymerization than styrene.arrow_forwardA 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?arrow_forward
- The polyamide structure shown below provides lightweight, heat and flame resistant performance for many extreme applications like fife fighting and law enforcement. Write a polymerization equation for this polyamide including the structures of monomers that can be used to synthesize itarrow_forwardPoly(vinyl alcohol), a hydrophilic polymer used in aqueous adhesives, is made by polymerizing vinyl acetate and then hydrolyzing the ester linkages. Give the structures of poly(vinyl acetate) and poly(vinyl alcohol)arrow_forwardDraw the important resonance forms of the stabilized anion formed in the anionic polymerization of methyl acrylate.arrow_forward
- Please show the product and mechanism for the cationic polymerization of 2-butene using BF3/H2O to catalyze polymerization. Do you expect this to be an effective polymerization strategy for this monomer? Why or why not?arrow_forward2 Propose preparative routes to the following polymers or prepolymers from monomers. Give monomer structure and, if you think important, monomer ratios, catalysts, temperatures, etc.arrow_forwardA3 Anionic polymerization of styrene is generally known to produce polymers with a narrow molecular weight distribution. Explain the reason for this.arrow_forward
- Predict the order of reactivity (and justify your prediction) of the given monomers. Styrene, 2-vinylpyridine, 3-vinylpyridine, and 4-vinyl pyridine in anionic polymerization. Styrene, p-methoxystyrene, p-chlorostyrene, and p-methylstyrene in cationic polymerization.arrow_forwardDo you think that 4-methoxystyrene will more easily undergo anionic or cationic polymerization? Explain your answer.arrow_forwardRank the following groups of monomers from most able to least able to undergo anionic polymerization:arrow_forward
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