Organic Chemistry
7th Edition
ISBN: 9780321803221
Author: Paula Y. Bruice
Publisher: Prentice Hall
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Chapter 27.7, Problem 21P
Explain why, when a small amount of glycerol is added to the reaction mixture of toluene-2,6-diisocyanate and ethylene glycol during the synthesis of polyurethane foam, a much stiffer foam is obtained.
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Chapter 27 Solutions
Organic Chemistry
Ch. 27.2 - Prob. 1PCh. 27.2 - Prob. 2PCh. 27.2 - Prob. 3PCh. 27.2 - Prob. 4PCh. 27.2 - Prob. 5PCh. 27.2 - Prob. 6PCh. 27.2 - Prob. 7PCh. 27.2 - Rank the following groups of monomers from most...Ch. 27.2 - Why does methyl methacrylate not undergo cationic...Ch. 27.2 - Explain why, when propylene oxide undergoes...
Ch. 27.2 - Prob. 11PCh. 27.2 - Which monomer and which type of initiator can you...Ch. 27.2 - Prob. 13PCh. 27.4 - Draw a short segment of gutta-percha.Ch. 27.4 - Prob. 15PCh. 27.7 - Prob. 16PCh. 27.7 - Write an equation that explains what happens if a...Ch. 27.7 - Prob. 18PCh. 27.7 - What happens to polyester slacks if aqueous NaOH...Ch. 27.7 - a. Propose a mechanism for the formation of the...Ch. 27.7 - Explain why, when a small amount of glycerol is...Ch. 27.8 - Propose a mechanism for the formation of melmac.Ch. 27.8 - Prob. 23PCh. 27.10 - Prob. 24PCh. 27 - Draw short segments of the polymers obtained from...Ch. 27 - Prob. 26PCh. 27 - Draw the structure of the monomer or monomers used...Ch. 27 - Prob. 28PCh. 27 - Draw short segments of the polymers obtained from...Ch. 27 - Quiana is a synthetic fabric that feels very much...Ch. 27 - Prob. 31PCh. 27 - Prob. 32PCh. 27 - Poly(vinyl alcohol) is a polymer used to make...Ch. 27 - Five different repeating units are found in the...Ch. 27 - Prob. 35PCh. 27 - A particularly strong and rigid polyester used for...Ch. 27 - Prob. 37PCh. 27 - Which Monomer gives a greater yield of polymer,...Ch. 27 - Prob. 39PCh. 27 - Prob. 40PCh. 27 - Why do vinyl raincoats become brittle as they get...Ch. 27 - The polymer shown below is synthesized by...Ch. 27 - Prob. 43PCh. 27 - How can head-to-head poly(vinyl bromide) be...Ch. 27 - Delrin (polyoxymethylene) is a tough...
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