Essential Organic Chemistry, Global Edition
3rd Edition
ISBN: 9781292089034
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Chapter 15.2, Problem 8P
Why does methyl methacrylate not undergo cationic
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Chapter 15 Solutions
Essential Organic Chemistry, Global Edition
Ch. 15.2 - Prob. 1PCh. 15.2 - Prob. 2PCh. 15.2 - Prob. 3PCh. 15.2 - Prob. 4PCh. 15.2 - List the following groups of monomers in order...Ch. 15.2 - List the following groups of monomers in order...Ch. 15.2 - Prob. 7PCh. 15.2 - Why does methyl methacrylate not undergo cationic...Ch. 15.2 - Which monomer and which type of initiator would...Ch. 15.2 - Prob. 10P
Ch. 15.2 - Prob. 11PCh. 15.5 - Draw a short segment of gutta-percha.Ch. 15.5 - Prob. 13PCh. 15.6 - Prob. 14PCh. 15.8 - Prob. 15PCh. 15.8 - Prob. 16PCh. 15.8 - Prob. 17PCh. 15.8 - a. Propose a mechanism for the formation of the...Ch. 15.8 - Propose a mechanism for the formation of Melmac.Ch. 15.8 - Explain why, when a small amount of glycerol is...Ch. 15.10 - Prob. 21PCh. 15 - Draw short segments of the polymers obtained from...Ch. 15 - Prob. 23PCh. 15 - Draw the structure of the monomer or monomers used...Ch. 15 - Draw short segments of the polymers obtained from...Ch. 15 - Prob. 26PCh. 15 - Prob. 27PCh. 15 - Prob. 28PCh. 15 - A particularly strong and rigid polyester used for...Ch. 15 - Prob. 30PCh. 15 - Prob. 31PCh. 15 - Prob. 32PCh. 15 - Prob. 33PCh. 15 - Prob. 34PCh. 15 - Prob. 35PCh. 15 - Delrin (polyoxymethylene) is a tough...
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- Draw the structure of the repeating unit of the polyamide formed from this reaction. CI H H₂N NH₂ You do not have to consider stereochemistry. + CI polymerizationarrow_forwardDraw the structure of the polymer that results from anionic polymerization of p-trichloromethylstyrene (CCl3C6H4CH =CH2) using ethylene oxide as the electrophile to terminate the chain.arrow_forwardHow are polyiodides synthesized and characterized?arrow_forward
- (a) Hard contact lenses, which first became popular in the 1960s, were made by polymerizing methyl methacrylate [CH2 = C(CH3)CO2CH3] to form poly(methyl methacrylate) (PMMA). Draw the structure of PMMA. (b) More comfortable softer contact lenses introduced in the 1970s were made by polymerizing hydroxyethyl methacrylate [CH2 = C(CH3)CO2CH2CH2OH] to form poly(hydroxyethyl methacrylate) (poly-HEMA). Draw the structure of poly-HEMA. Since neither polymer allows oxygen from the air to pass through to the retina, newer contact lenses that are both comfortable and oxygen-permeable have now been developed.arrow_forwardWrite equations for the following reactions: Aldehyde + NaOH (Cannizarro’s reaction) Aldehyde + Sodium Hydrogen Sulfite Preparation of aldehyde from primary alcohol Linear polymerization of formaldehyde Cyclic polymerization of formaldehyde Linear polymerization of acetaldehyde Cyclic polymerization of acetaldehydearrow_forwardDraw a structural formula of the polymer resulting from base-catalyzed polymerization of each compound. Would you expect the polymers to be optically active? (S)-(+)-lactide is the dilactone formed from two molecules of (S)-(+)-lactic acid.arrow_forward
- List the following group of monomers in order of decreasing ability to undergo cationic polymerization.arrow_forwardPolystyrene is a synthetic aromatic hydrocarbon polymer made from the monomer known as styrene. H H H Polystyrene (i) Draw the structure of styrene. Outline the mechanism when styrene reacts with HCl, following (ii) Markovnikov's rule.arrow_forwardProvide the mechanism for the step-growth polymerization of citric acid and ethylene glycol to form poly (ethylene glycol)-citrate. Show all steps.arrow_forward
- Thermosetting resins similar to Bakelite (Section 31.7) have also been prepared from renewable feedstocks. One method uses cardinol, the major constituent of the liquid obtained from roasted cashew nutshells. What polymer is obtained when cardinol is treated with formaldehyde (H2C=O) in the presence of a proton source? он H2C=0 H+ cardinolarrow_forwardKodel is a condensation polymer made from terephthalic acid and 1,4-cyclohexanedimethanol. Write the structure of the resulting polymer.arrow_forwardExplain with more details, how you can prepare poly(ethylene oxide) by using Anionic and Cationic polymerisationarrow_forward
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