Organic Chemistry (6th Edition)
6th Edition
ISBN: 9781260119107
Author: Janice Gorzynski Smith
Publisher: McGraw Hill Education
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Chapter 28, Problem 59P
Melmac, a thermosetting
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Melmac, a thermosetting polymer formed from melamine and formaldehyde (CH2=O), is used to make dishes and countertops. Draw a stepwise mechanism for the condensation of one mole of formaldehyde with two moles of melamine, which begins the synthesis of Melmac.
The reaction of p-cresol with CH2=O resembles the reaction of phenol (PhOH) with CH2=O, except that the resulting polymer is thermoplastic but not thermosetting. Draw the structure of the polymer formed, and explain why the properties of these two polymers are so different.
Identify the class of polymer for each structure.
Doct
Structure A:
Structure A is a:
O polycarbonate
polyester
O polyurethane
O polyamide
Fotoy
Structure B:
Structure B is a:
CH3
O polycarbonate
O polyurethane
polyamide
O polyester
Chapter 28 Solutions
Organic Chemistry (6th Edition)
Ch. 28.1 - Prob. 1PCh. 28.2 - Prob. 2PCh. 28.2 - Prob. 3PCh. 28.2 - Draw the mechanism for the radical polymerization...Ch. 28.2 - Prob. 8PCh. 28.2 - Prob. 9PCh. 28.2 - Prob. 10PCh. 28.3 - Problem 30.12
What polymer is formed by anionic...Ch. 28.5 - Prob. 12PCh. 28.5 - Prob. 13P
Ch. 28.6 - Problem 30.15
What polyamide is formed from each...Ch. 28.6 - Prob. 19PCh. 28.7 - Prob. 20PCh. 28.8 - Prob. 21PCh. 28.9 - Prob. 22PCh. 28.9 - Prob. 23PCh. 28 - Prob. 24PCh. 28 - Prob. 25PCh. 28 - 30.30 Draw each polymer in Problem 30.29 using the...Ch. 28 - Prob. 44PCh. 28 - 30.49 Draw the products of each reaction.
a. e....Ch. 28 - Prob. 56PCh. 28 - 30.56 Compound A is a novel poly (ester amide)...Ch. 28 - 30.57 Researchers at Rutgers University have...Ch. 28 - 30.58 Melmac, a thermosetting polymer formed from...Ch. 28 - 30.59 Although chain branching in radical...Ch. 28 - Prob. 61P
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- Draw 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_forwardExplain the effects the addition of glycerol (a triol) will have on the molecular architecture of the following polymerization reactions: a) Condensation polymerization of terephthalic acid + ethylene glycol b) Condensation polymerization of 6-hydroxyhexanoic acidarrow_forwardLactones, cyclic esters such as compound A, are prepared byhalolactonization, an addition reaction to an alkene. For example,iodolactonization of B forms lactone C, a key intermediate in thesynthesis of prostaglandin PGF2α. Draw a stepwise mechanism for this addition reaction.arrow_forward
- 12 Draw the structure of polymer formed using the following monomer. `CH=CH2 Give the reagent that can initiate the polymerizationarrow_forwardWhich monomer was used to make the polymer shown? О B OH B) OH "JON" орон х D) Zom OH НО A) C)arrow_forwardIdentify the compound with the lowest heat of hydrogenation. a Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. b с d Compound A Compound B Compound C A Compound D B Darrow_forward
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