Organic Chemistry
8th Edition
ISBN: 9781305580350
Author: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher: Cengage Learning
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Chapter 29, Problem 29.35P
(a)
Interpretation Introduction
Interpretation:
The product of sulfonation of each benzene ring has to be shown.
Concept introduction:
A monomer is a molecule that is able to bond in long chains.
(b)
Interpretation Introduction
Interpretation:
The sulfonated polymer act as a cationic exchange resin has to be explained.
Concept introduction:
Polymers are also known as macromolecules or large-sized molecules it’s prepared from monomer.
A monomer is a molecule that is able to bond in long chains.
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(a) Hard contact lenses, which first became popular in the 1960s, were made by polymerizing methyl methacrylate
[CH; =C(CH,)CO,CH3] 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{CH)CO,CH,CH2OH] 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.
(a) Describe the polymerization of a blend of maleic anhydride and 2-methyl-1,3-
propanediol in the presence of an acid catalyst. Draw a chemical reaction
scheme showing the intermediate and final products that are formed. Describe
the reaction conditions that you would use to maximize the yield of polymer.
(b) Draw the structure of the polymer, showing the repeat unit and end groups, that
is obtained when the mole ratio of maleic anhydride to diol is 0.95
(c) What is the number average molecular weight of the polymer of Part (b) when
the extent of reaction of maleic anhydride is (i) 90% and (ii) 100%.
(d) Describe how the structure of the polymer is altered when it is further reacted
with styrene in the presence of peroxide.
(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. Because 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.
Chapter 29 Solutions
Organic Chemistry
Ch. 29.2 - Prob. 29.1PCh. 29.5 - Prob. 29.2PCh. 29.6 - Prob. AQCh. 29.6 - Prob. BQCh. 29.6 - Prob. CQCh. 29.6 - Prob. DQCh. 29.6 - Prob. EQCh. 29.6 - Prob. FQCh. 29.6 - Prob. 29.3PCh. 29.6 - Prob. 29.4P
Ch. 29 - Prob. 29.5PCh. 29 - Prob. 29.6PCh. 29 - Prob. 29.7PCh. 29 - Prob. 29.8PCh. 29 - Prob. 29.9PCh. 29 - Prob. 29.10PCh. 29 - Prob. 29.11PCh. 29 - Prob. 29.12PCh. 29 - Prob. 29.13PCh. 29 - Prob. 29.14PCh. 29 - Prob. 29.15PCh. 29 - Prob. 29.16PCh. 29 - Polycarbonates (Section 29.5C) are also formed by...Ch. 29 - Prob. 29.18PCh. 29 - Prob. 29.19PCh. 29 - Prob. 29.20PCh. 29 - Prob. 29.21PCh. 29 - Draw a structural formula of the polymer resulting...Ch. 29 - Prob. 29.23PCh. 29 - Prob. 29.24PCh. 29 - Prob. 29.25PCh. 29 - Select the monomer in each pair that is more...Ch. 29 - Prob. 29.27PCh. 29 - Prob. 29.28PCh. 29 - Prob. 29.29PCh. 29 - Prob. 29.30PCh. 29 - Prob. 29.31PCh. 29 - Prob. 29.32PCh. 29 - Prob. 29.33PCh. 29 - Radical polymerization of styrene gives a linear...Ch. 29 - Prob. 29.35PCh. 29 - Prob. 29.36PCh. 29 - Prob. 29.37PCh. 29 - Prob. 29.38P
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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
- One common type of cation exchange resin is prepared by polymerization of a mixture containing styrene and 1,4-divinylbenzene . The polymer is then treated with concentrated sulfuric acid to sulfonate a majority of the aromatic rings in the polymer. Q.) Explain how this sulfonated polymer can act as a cation exchange resinarrow_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_forwardConsider monomers A–C. (a) Rank the monomers in order of increasing reactivity in cationic polymerization. (b) Rank the monomers in order of increasing reactivity in anionic polymerization.arrow_forward
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