Q1. (a) In each of the following cases (I. to III.) identify which polymer in each pairhas the greatest Tg and then explain your selection in terms of molecularstructures. Assume that molecular weight differences are insignificant.Note: PMV = pendant molar volume/ cm³/molPair ISection AAnswer ALL questions in this SectionPair IIPair IIIPolymer 1H₂+²2² 0+.Repeat unit AhtPolymer 3 (PMV=92.3)3Polymer 5 (PMV-60.1)tytOC-CH₂Polymer 2| to-0²-0-0H₂+-otPolymer 4 (143.9)(b) Consider the following repeat units A and B, state which polymer is likelyto be amorphous and which is likely to be semi-crystalline then explainwhy in terms of the structure of the repeating units.to ***Polymer 6 (PMV=70.3)Repeat unit Bt

a) pair 1- polymer 2 has higher Tg. Reason- because the presence of aromatic, cyclic structure in…

Q1. (a) In each of the following cases (I. to III.) identify which polymer in each pair has the greatest Tg and then explain your selection in terms of molecular structures. Assume that molecular weight differences are insignificant. Note: PMV = pendant molar volume/ cm³/mol Polymer 1 H₂ ・++・ 2²-²-0+. Polymer 3 (PMV=92.3) Pair I Pair II Pair III Polymer 5 (PMV-60.1) OC-CH₂ Polymer 2 -ot. Polymer 4 (143.9) Polymer 6 (PMV=70.3) +++ (b) Consider the following repeat units A and B, state which polymer is likely to be amorphous and which is likely to be semi-crystalline then explain why in terms of the structure of the repeating units.

Q1. (a) In each of the following cases (I. to III.) identify which polymer in each pair has the greatest Tg and then explain your selection in terms of molecular structures. Assume that molecular weight differences are insignificant. Note: PMV = pendant molar volume/ cm³/mol Polymer 1 H₂ ・++・ 2²-²-0+. Polymer 3 (PMV=92.3) Pair I Pair II Pair III Polymer 5 (PMV-60.1) OC-CH₂ Polymer 2 -ot. Polymer 4 (143.9) Polymer 6 (PMV=70.3) +++ (b) Consider the following repeat units A and B, state which polymer is likely to be amorphous and which is likely to be semi-crystalline then explain why in terms of the structure of the repeating units.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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