Organic Chemistry (9th Edition)
9th Edition
ISBN: 9780321971371
Author: Leroy G. Wade, Jan W. Simek
Publisher: PEARSON
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Chapter 26, Problem 26.28SP
Polyoxymethylene (polyformaldehyde) is the tough, self-lubricating Delrin® plastic used in gear wheels.
- a. Give the structure of polyformaldehyde.
- b. Formaldehyde is polymerized using an acidic catalyst Using H+ as a catalyst, propose a mechanism for the
polymerization as far as the trimer. - c. Is Delrin an
addition polymer or acondensation polymer ?
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Draw the structure(s) of the monomer(s) used to make each of the following polymers
Define whether each polymer is a
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Define whether each polymer can be prepared by:
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a. How many monomers molecules are there in 5 ml of Ethyl acrylate ?
b. Using this monomer how can you make a
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Which function group/s is/are present in monomers that undergo cationic polymerization.
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Chapter 26 Solutions
Organic Chemistry (9th Edition)
Ch. 26.2A - Show the intermediate that would result if the...Ch. 26.2A - Prob. 26.2PCh. 26.2A - Prob. 26.3PCh. 26.2B - Prob. 26.4PCh. 26.2B - Prob. 26.5PCh. 26.2B - Chain branching occurs in cationic polymerization...Ch. 26.2C - Prob. 26.7PCh. 26.2C - Prob. 26.8PCh. 26.2C - Chain branching is not as common with anionic...Ch. 26.3 - Prob. 26.10P
Ch. 26.5 - Prob. 26.11PCh. 26.6 - Prob. 26.12PCh. 26.7A - Prob. 26.13PCh. 26.7B - Prob. 26.14PCh. 26.7B - Prob. 26.15PCh. 26.7C - a. Propose a mechanism for the reaction of...Ch. 26.7C - Prob. 26.17PCh. 26.7D - Prob. 26.18PCh. 26.7D - Prob. 26.19PCh. 26.7D - Prob. 26.20PCh. 26 - Prob. 26.21SPCh. 26 - Prob. 26.22SPCh. 26 - Poly(trimethylene carbamate) is used in...Ch. 26 - Prob. 26.24SPCh. 26 - Urylon fibers are used in premium fishing nets...Ch. 26 - Prob. 26.26SPCh. 26 - Prob. 26.27SPCh. 26 - Polyoxymethylene (polyformaldehyde) is the tough,...Ch. 26 - Prob. 26.29SPCh. 26 - Prob. 26.30SPCh. 26 - Prob. 26.31SPCh. 26 - Prob. 26.32SPCh. 26 - Prob. 26.33SPCh. 26 - Prob. 26.34SPCh. 26 - The polyester named Lactomer is an alternating...Ch. 26 - Prob. 26.36SP
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- What monomer(s) are used to prepare each polymer or copolymer? C(CHa)a a. EtO,C Ċ(CH3)3 d.arrow_forwardWhat monomer(s) are used to prepare each polymer or copolymer? a. b.arrow_forwardPoly(vinyl alcohol), a hydrophilic polymer used in aqueous adhesives, is made by polymerizing vinyl acetate and then hydrolyzing the ester linkages. Why is poly(vinyl alcohol) made by this circuitous route? Why not just polymerize vinyl alcohol?arrow_forward
- Draw the structure of the polymer formed by step-growth polymerization of each monomer or pair of monomers. а. b.arrow_forwardWhat polymer is formed by anionic polymerization of each monomer? a. b.arrow_forward7. During condensation polymerization, many monomers join together. What is lost when two mon omers join together via a condensation reaction? carbon dioxide b. hydrochloric acid c. hydrogen gas а. d. waterarrow_forward
- Poly(vinyl alcohol), a hydrophilic polymer used in aqueous adhesives, is made by polymerizing vinyl acetate and then hydrolyzing the ester linkages. We have seen that basic hydrolysis destroys the Dacron polymer. Poly(vinyl acetate) is converted to poly(vinyl alcohol) by a basic hydrolysis of the ester groups. Why doesn’t the hydrolysis destroy the poly(vinyl alcohol)polymer?arrow_forward1. What are condensation polymers? How are they different from addition polymers? 2. What is the role of an initiator? 3. What is an inhibitor? 4. What are short stops?arrow_forwardWhat polymer is formed by chain-growth polymerization of each monomer?arrow_forward
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