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1.Consider the polymerization of the following monomers: H2N- -NH2 CI (a) Draw the repeat unit of the resulting polymer. (b) Identify the two structural units comprising the repeat unit.

1.Consider the polymerization of the following monomers: H2N- -NH2 CI (a) Draw the repeat unit of the resulting polymer. (b) Identify the two structural units comprising the repeat unit.

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter23: Organic Polymers, Natural And Synthetic
Section: Chapter Questions
Problem 51QAP
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1.Consider the polymerization of the following monomers: H2N- -NH2 (a) Draw the repeat unit of the resulting polymer. (b) Identify the two structural units comprising the repeat unit. Aramids are produced using the reaction of a benzene-1,4-diamine and a terephthaloyl dichloride. (c) Plot the Mn of the polymer vs. the extent of reaction, where the extent of reaction increases from 0 to 0.95 in intervals of 0.05, and extend the plot include data points for an extent of reaction = 0.96, 0.97, 0.98, 0.99, and 0.995. (d) What is the extent of reaction when the molecular weight reaches 30 000 g/mol? (e) State two conditions that must be ensured for a step growth polymerization to reach high conversion.
Transcribed Image Text:1.Consider the polymerization of the following monomers: H2N- -NH2 (a) Draw the repeat unit of the resulting polymer. (b) Identify the two structural units comprising the repeat unit. Aramids are produced using the reaction of a benzene-1,4-diamine and a terephthaloyl dichloride. (c) Plot the Mn of the polymer vs. the extent of reaction, where the extent of reaction increases from 0 to 0.95 in intervals of 0.05, and extend the plot include data points for an extent of reaction = 0.96, 0.97, 0.98, 0.99, and 0.995. (d) What is the extent of reaction when the molecular weight reaches 30 000 g/mol? (e) State two conditions that must be ensured for a step growth polymerization to reach high conversion.
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