CHEN E4620 Fall 2023
HOMEWORK #4 Solution
"Due" November 27, 202
1. PROBLEMS:
(a) Lodge and Hiemenz 3rd ed. Chapter 7: Problems 5, 9 (osmotic pres-
sure of dilute polymer solutions), 6 (on the critical point of polymer
solutions), 25 (on the spinodal according to FH).
(b) Lodge and Hiemenz 3rd ed. Chapter 13: Problems 1 (e¤ect of lamel-
lar thickness on Tm), 6 (e¤ect of MW on Tm), 15 (Ho¤man Weeks
plot), 29 (anticipating PLOM results for candidate spherulite struc-
tures).
1
Lodge and Hiemenz 3rd ed. Chapter 7: Problem 5
Problem statement from the second edition
2
3
Lodge and Hiemenz 3rd ed. Chapter 7: Problem 9
See text for problem statement; this problem does not appear in the second
edition
4
Lodge and Hiemenz 3rd ed. Chapter 7: Problem 6
Problem statement from the second edition
5
Lodge and Hiemenz 3rd ed. Chapter 7: Problem 25
See text for problem statement; this problem does not appear in the second
edition
6
Lodge and Hiemenz 3rd ed. Chapter 13: Problem 1
7
Lodge and Hiemenz 3rd ed. Chapter 13: Problem 6
8
Lodge and Hiemenz 3rd ed. Chapter 13: Problem 15
See text for problem statement; this problem does not appear in the second
edition
9
Lodge and Hiemenz 3rd ed. Chapter 13: Problem 29
10
11